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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 26. Отображено 24.
29-09-2016 дата публикации

APPARATUS AND METHOD OF CONVERTING IMAGE

Номер: US20160286198A1
Автор: Yun-Ji BAN, BAN YUN-JI, BAN Yun-Ji
Принадлежит:

An apparatus for transforming image includes: a depth map generating unit generating a depth map of a 2D image; a rendering unit rendering a left-eye image and a right-eye image depending on the depth map; a hole removing unit removing holes of the left-eye image and the right-eye image; and a synthesizing unit synthesizing the left-eye image and the right-eye image to render a 3D image. 1. An apparatus for transforming image , comprising:a depth map generating unit generating a depth map of a two-dimensional (2D) image;a rendering unit rendering a left-eye image and a right-eye image depending on the depth map;a hole removing unit removing holes of the left-eye image and the right-eye image; anda synthesizing unit synthesizing the left-eye image and the right-eye image to render a three-dimensional (3D) image.2. The apparatus for transforming image of claim 1 , wherein the hole removing unit renders a reference image including all of holes included in the respective frames of the left-eye image and the right-eye image claim 1 , fills hole regions of the reference image depending on textures corresponding to the hole regions in the case in which the textures corresponding to the hole regions among textures of the respective frames are present claim 1 , fills hole regions of the reference image that do not correspond to the textures of the respective frames in a predefined scheme claim 1 , and fills holes corresponding to the respective frames of the left-eye image and the right-eye image depending on the reference image.3. The apparatus for transforming image of claim 2 , wherein the hole removing unit fills the hole regions depending on textures having depth values less than threshold values corresponding to the hole regions among the textures corresponding to the hole regions.4. The apparatus for transforming image of claim 2 , wherein the hole removing unit sets a window having a size corresponding to those of the holes of the reference image claim 2 ,sets a ...

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Номер записи: 1
02-02-2017 дата публикации

APPARATUS AND METHOD FOR CREATING AND MANAGING TEETH MODEL

Номер: US20170027671A1
Автор: Hye-Sun KIM, Hyun KANG, Jae-Hean KIM, Chang-Joon PARK, Yun-Ji BAN, Dong-Wan RYOO, Jung-Jae YU, Jin-Sung CHOI, KIM HYE-SUN, KANG HYUN, KIM JAE-HEAN, PARK CHANG-JOON, BAN YUN-JI, RYOO DONG-WAN, YU JUNG-JAE, CHOI JIN-SUNG, KIM Hye-Sun, KANG Hyun, KIM Jae-Hean, PARK Chang-Joon, BAN Yun-Ji, RYOO Dong-Wan, YU Jung-Jae, CHOI Jin-Sung
Принадлежит:

An apparatus and method for managing a teeth model. The apparatus for managing a teeth model includes a database for storing a D intraoral structure image and a D teeth model image generated by scanning a healthy intraoral structure and teeth of a user; a generation unit for generating a damaged tooth model image by scanning a damaged tooth when the tooth of the user is damaged; and a modeling unit for modeling any one of a dental prosthesis and an artificial tooth by comparing the damaged tooth model image and the image stored in the database. 1. An apparatus for managing a teeth model , comprising:a database for storing a 3D intraoral structure image and a 3D teeth model image, generated by scanning an intraoral structure and healthy teeth of a user;a generation unit for generating a damaged tooth model image by scanning a missing or damaged tooth when the tooth of the user is missing or damaged; anda modeling unit for comparing the damaged tooth model image with the 3D teeth model image and for modeling a dental prosthesis and an artificial tooth corresponding to the missing or damaged tooth using a result of the comparison.2. The apparatus of claim 1 , wherein the modeling unit extracts a damaged part from the 3D teeth model image by calculating a difference between the damaged tooth model image and the 3D teeth model image stored in the database and models a dental prosthesis corresponding to the damaged part.3. The apparatus of claim 2 , wherein the modeling unitanalyzes the damaged tooth model image,extracts an image corresponding to a totality of the damaged tooth from the 3D teeth model image if a percentage of the damaged part is equal to or greater than a specific value, andmodels the artificial tooth based on the extracted image.4. The apparatus of claim 2 , wherein the modeling unitextracts a position of the damaged part,extracts an image corresponding to a totality of the damaged tooth from the 3D teeth model image if the position of the damaged part ...

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Номер записи: 2
09-03-2017 дата публикации

3D MULTIFUNCTIONAL DEVICE WITH 3D SCANNING FUNCTION AND 3D PRINTING FUNCTION AND OPERATION METHOD THEREOF

Номер: US20170066193A1
Автор: Jae-Hean KIM, Hyun KANG, Jung-Jae YU, Hye-Sun KIM, Chang-Joon PARK, Yun-Ji BAN, Dong-Wan RYOO, Jin-Sung CHOI, KIM JAE-HEAN, KANG HYUN, YU JUNG-JAE, KIM HYE-SUN, PARK CHANG-JOON, BAN YUN-JI, RYOO DONG-WAN, CHOI JIN-SUNG, KIM Jae-Hean, KANG Hyun, YU Jung-Jae, KIM Hye-Sun, PARK Chang-Joon, BAN Yun-Ji, RYOO Dong-Wan, CHOI Jin-Sung
Принадлежит: Electronics and Telecommunications Research Institute ETRI

A 3D multifunctional device in which a 3D printer and a 3D scanner are combined and a method for operating the device. The 3D multifunctional device includes a printing unit that includes a nozzle for ejecting material for 3D printing, a scanning unit that includes a light radiation module for radiating light to an object to be scanned and a camera for capturing an image of the object, a head unit for moving the printing unit and the scanning unit in X-axis and Y-axis directions, a bed plate on which the object to be scanned is located or the ejected material is deposited, the bed plate moving in a Z-axis direction, and a control unit for setting a function by selecting 3D scanning or 3D printing, controlling the scanning unit or the printing unit, and controlling the movements of the head unit and bed plate.

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Номер записи: 3
14-06-2012 дата публикации

SYSTEM FOR MAKING 3D CONTENTS PROVIDED WITH VISUAL FATIGUE MINIMIZATION AND METHOD OF THE SAME

Номер: US20120148146A1
Автор: BAN Yun Ji, JANG Ho Wook, KIM Hae Dong, KIM Hye Sun, KIM Myung Ha, NAM Seung Woo, YU Jung Jae
Принадлежит: Electronics and Telecommunications Research Institute

Disclosed are a system for making 3D contents provided with visual fatigue minimization and a method of the same. More particularly, an exemplary embodiment of the present invention provides a system for making 3D contents including: a human factor information unit generating guide information for making 3D contents by considering factors causing visual fatigue of the 3D contents; and a 3D contents making unit applying guide information generated by the human factor information unit to 3D contents data inputted for making the 3D contents to make the 3D contents, and a method of making 3D contents. 1. A system for making 3D contents , comprising:a human factor information unit generating guide information for making 3D contents by considering factors causing visual fatigue of the 3D contents; anda 3D contents making unit applying guide information generated by the human factor information unit to 3D contents data inputted for making the 3D contents to make the 3D contents.2. The system of claim 1 , wherein the human factor information unit includes:a human factor acquiring portion quantifying relations of independent factors causing the visual fatigue of the 3D contents and complex factors constituted by the combinations of the independent factors with actual visual fatigue and constructing the quantified relations as data; anda human factor guide generating portion applying a predetermined guide information generation condition to the data constituted by the human factor acquiring portion to generate the guide information.3. The system of claim 2 , wherein the 3D contents making unit includes:a 3D contents acquiring portion acquiring 3D contents in which the guide information is applied to the received 3D contents data; anda 3D contents postprocessing portion performing image-processing of the 3D contents acquired by the 3D contents acquiring portion and the previously acquired image to make the 3D contents.4. The system of claim 2 , wherein the predetermined guide ...

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Номер записи: 4
28-06-2012 дата публикации

APPARATUS AND METHOD FOR CORRECTING ERROR IN STEREOSCOPIC IMAGE

Номер: US20120162386A1
Автор: BAN Yun-Ji, KIM Hye-Sun
Принадлежит: Electronics and Telecommunications Research Institute

Disclosed herein are an apparatus and method for correcting an error in a stereoscopic image. The apparatus includes two cameras, a region extraction unit, a phase difference calculation unit, an error value extraction unit, and an error analysis unit. The cameras capture left and right images forming the stereoscopic image. The region extraction unit extracts the main regions of interest from each of the images. The phase difference calculation unit calculates the difference in phase between the main regions of interest of the left image and the main regions of interest of the right image. The error value extraction unit extracts the value of a camera disposition error, corresponding to locations of the two cameras, based on the difference in phase. The error analysis unit determines whether the value of the camera disposition error is within a set range, and corrects the error in the stereoscopic image. 1. An apparatus for correcting an error in a stereoscopic image , the apparatus comprising:two cameras for capturing left and right images, respectively, the left and right images forming the stereoscopic image;a region extraction unit for extracting main regions of interest from each of the left and right images;a phase difference calculation unit for calculating a difference in phase between the main regions of interest of the left image and the main regions of interest of the right image;an error value extraction unit for extracting a value of a camera disposition error, corresponding to locations of the two cameras, based on the difference in phase between the main regions of interest; andan error analysis unit for determining whether the value of the camera disposition error is within a set range, and correcting the error in the stereoscopic image based on results of the determination.2. The apparatus as set forth in claim 1 , wherein the region extraction unit segments each of the left and right images into a plurality of regions claim 1 , and extracts a ...

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Номер записи: 5
12-09-2013 дата публикации

APPARATUS AND METHOD FOR EXTRACTING FOREGROUND LAYER IN IMAGE SEQUENCE

Номер: US20130236099A1
Автор: BAN Yun Ji, JANG Ho Wook, JANG Kyung Ho, KIM Hae Dong, KIM Hye-Sun, KIM Myung Ha, NAM Seung Woo, YU Jung Jae
Принадлежит: Electronics and Telecommunications Research Institute

Disclosed are an apparatus and a method for extracting a foreground layer from an image sequence that extract a foreground object layer area in which a depth value is discontinuous with that of a background from an input image sequence. By using the present disclosure, the layer area is automatically tracked in the subsequent frames through user's setting in the start frame in the image sequence in which the depth values of the foreground and the background are discontinuous, thereby extracting the foreground layer area in which the drift phenomenon and the flickering phenomenon are reduced.

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Номер записи: 6
10-10-2013 дата публикации

METHOD AND APPARATUS FOR CONVERTING 2D VIDEO IMAGE INTO 3D VIDEO IMAGE

Номер: US20130266212A1
Автор: BAN Yun Ji, JANG Ho Wook, JANG Kyung Ho, KIM Hae Dong, KIM Hye-Sun, KIM Myung Ha, NAM Seung Woo, YU Jung Jae
Принадлежит: Electronics and Telecommunications Research Institute

A method of converting a two-dimensional video to a three-dimensional video, the method comprising: comparing an image of an nframe with an accumulated image until an n−1frame in the two-dimensional video to calculate a difference in a color value for each pixel; generating a difference image including information on a change in a color value for each pixel of the nframe; storing an accumulated image until the nframe by accumulating the information on the change in the color value for each pixel until the nframe; performing an operation for a pixel in which a change in a color value is equal to or larger than a predetermined level by using the difference image to generate a division image and a depth map image; and converting the image of the nframe to a three-dimensional image by using the depth map image. 1. A method of converting a two-dimensional video to a three-dimensional video , the method comprising:{'sup': th', 'th, 'comparing an image of an nframe with an accumulated image until an n−1frame in the two-dimensional video to calculate a difference in a color value for each pixel;'}{'sup': 'th', 'generating a difference image including information on a change in a color value for each pixel of the nframe by using the difference in the color value;'}{'sup': th', 'th, 'storing an accumulated image until the nframe by accumulating the information on the change in the color value for each pixel until the nframe;'}{'sup': th', 'th, 'performing an operation only for a pixel in which a change in a color value is equal to or larger than a predetermined level in the nframe by using the difference image to generate a division image and a depth map image of the nframe; and'}{'sup': 'th', 'converting the image of the nframe to a three-dimensional image by using the depth map image.'}2. The method of claim 1 , wherein the generating of the difference image comprises generating an image by classifying a pixel in which the difference in the color value between the image of ...

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Номер записи: 7
01-01-2015 дата публикации

Apparatus and method for generating stereoscopic image through installation of external camera

Номер: US20150002637A1
Автор: Ho Wook Jang, Hye Sun Kim, Seung Woo Nam, Yun Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Provided is an apparatus and method for generating a stereoscopic image through installation of an external camera, the apparatus including a characteristic comparator to compare a characteristic of an internal camera module and a characteristic of the external camera module, a matching performer to perform an image characteristic matching process on the internal camera module and the external camera module when a comparison result indicates a presence of a difference in characteristics of the internal camera module and the external camera module, an image acquirer to acquire a plurality of images of an object using the internal camera module and the external camera module on which the image characteristic matching process is performed, and a stereoscopic image generator to generate a stereoscopic image by integrating the plurality of images.

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Номер записи: 8
08-05-2014 дата публикации

SYSTEM FOR PRODUCING STEREOSCOPIC IMAGES WITH A HOLE FILLING ALGORITHM AND METHOD THEREOF

Номер: US20140125778A1
Автор: BAN Yun Ji, BYON Joo Hee, JANG Kyung Ho, KIM Hae Dong, KIM Hye Sun, KIM Myung Ha, NAM Seung Woo, YU Jung Jae
Принадлежит: Electronics and Telecommunications Research Institute

Disclosed are a system for producing stereoscopic images with a hole filling algorithm, and a method thereof. A system for producing stereoscopic images according to an exemplary embodiment of the present invention includes: a movement area detecting unit examining a movement area for an object moved in an image, detecting/tracking changes of the movement area by dividing a front view and a background of the movement area, and providing result information; a filling error processing unit filling a hole detected by the movement area detecting unit and correcting a filled filling region; and a stereoscopic image visualizing unit visualizing a stereoscopic image corrected by the filling error processing unit. 1. A system for producing stereoscopic images , comprising:a movement area detecting unit examining a movement area for an object moved in an image, detecting/tracking changes of the movement area by dividing a front view and a background of the movement area, and providing result information;a filling error processing unit filling a hole detected by the movement area detecting unit and correcting a filled filling region; anda stereoscopic image visualizing unit visualizing a stereoscopic image corrected by the filling error processing unit.2. The system of claim 1 , wherein the movement area detecting unit includes:a movement area examining unit calculating the movement area by using a difference between segmentation of the object and a change area of the segmented object;a front view and background dividing unit processing the calculated movement area as a background for the object and processing the moved object as a front view;a movement area change detecting unit examining whether the object and the movement area are changed for each frame; anda movement area tracking unit tracking the object when the object is changed.3. The system of claim 1 , further comprising:a filling guide unit providing a filling guide corresponding to result information based on the ...

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Номер записи: 9
31-07-2014 дата публикации

APPARATUS AND METHOD FOR CREATING THREE-DIMENSIONAL VIDEO

Номер: US20140210943A1
Автор: BAN Yun-Ji, BYON Joo-Hee, JANG Ho-Wook, Jang Kyung-Ho, KIM Hae-Dong, KIM Hye-Sun, KIM Myung-Ha, Nam Seung-Woo, YU Jung-Jae
Принадлежит: Electronics and Telecommunications Research Institute

An apparatus for creating a three dimensional video including a cut split unit configured to split an input two-dimensional video into two or more cuts based on a predetermined reference, a manual conversion unit configured to receive a depth value of one of frames that form each of the two or more cuts split by the cut split unit and convert the one frame into a three dimensional form, and an automatic conversion unit configured to convert other frames included in the cuts with reference to the one frame, which is converted into the three dimensional form by the manual conversion unit, into a three dimensional form. 1. An apparatus for creating a three-dimensional video , the apparatus comprising:a cut split unit configured to split an input two-dimensional video into two or more cuts based on a predetermined reference;a manual conversion unit configured to receive a depth value of one of frames that form each of the two or more cuts split by the cut split unit, and convert the one frame into a three dimensional form; andan automatic conversion unit configured to convert other frames included in the cuts into a three dimensional form with reference to the one frame, which is converted into the three dimensional form by the manual conversion unit.2. The apparatus of claim 1 , wherein the cut split unit automatically splits the video in a case in which a color variation value between successive frames forming the two-dimensional video is a predetermined threshold value or above.3. The apparatus of claim 1 , wherein the cut split unit provides a user interface claim 1 , and splits the video according to user cut split information that is input through the user interface.4. The apparatus of claim 1 , wherein the manual conversion unit receives the depth value in units of color segments forming the one frame.5. The apparatus of claim 1 , wherein the manual conversion unit claim 1 , in a case in which a same object is split into two or more different segments claim 1 , ...

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Номер записи: 10
28-08-2014 дата публикации

APPARATUS AND METHOD FOR CAMERA TRACKING

Номер: US20140241576A1
Автор: BAN Yun-Ji, BYON Joo-Hee, JANG Ho-Wook, Jang Kyung-Ho, KIM Hae-Dong, KIM Hye-Sun, KIM Myung-Ha, Nam Seung-Woo, YU Jung-Jae
Принадлежит: Electronics and Telecommunications Research Institute

A camera tracking apparatus including a sequence image input unit configured to obtain one or more image frames by decoding an input two-dimensional image, a two-dimensional feature point tracking unit configured to obtain a feature point track by extracting feature points from respective image frames obtained by the sequence image input unit, and comparing the extracted feature points with feature points extracted from a previous image frame, to connect feature points determined to be similar, and a three-dimensional reconstruction unit configured to reconstruct the feature point track obtained by the two-dimensional feature point tracking unit. 1. A camera tracking apparatus comprising:a sequence image input unit configured to obtain one or more image frames by decoding an input two-dimensional image;a two-dimensional feature point tracking unit configured to obtain a feature point track by extracting feature points from each of the image frames obtained by the sequence image input unit, and by comparing the extracted feature points with feature points extracted from a previous image frame to connect feature points that are determined to be similar; anda three-dimensional reconstruction unit configured to reconstruct the feature point track obtained by the two-dimensional feature point tracking unit.2. The camera tracking apparatus of claim 1 , wherein the two-dimensional feature point tracking unit extracts feature points claim 1 , and connects feature points discovered to be similar to each other by performing matching comparing a descriptor that represents a shape of a feature point to distinguish feature points from one another.3. The camera tracking apparatus of claim 1 , wherein the two-dimensional feature point tracking unit connects only pairs of feature points corresponding to inliers claim 1 , not pairs of feature points corresponding to outliers claim 1 , by calculating a fundamental matrix and a homography matrix.4. The camera tracking apparatus of ...

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Номер записи: 11
14-06-2018 дата публикации

APPARATUS FOR RECONSTRUCTING 3D MODEL AND METHOD FOR USING THE SAME

Номер: US20180165875A1
Автор: BAN Yun-Ji, CHU Chang-Woo, KANG Kyung-Kyu, KIM Hye-Sun, LEE Man-Hee, PARK Chang-Joon, RYOO Dong-Wan, YU Jung-Jae
Принадлежит:

Disclosed herein are an apparatus and method for reconstructing a 3D model. The apparatus for reconstructing a 3D model includes an image acquisition unit for acquiring multi-view images by receiving image signals captured by multiple drones using cameras, a geometric calibration unit for estimating motion variables of the drones based on the acquired multi-view images, and a 3D model creation unit for reconstructing a 3D model of a dynamic object from the matched multi-view images using a multi-view stereo method. 1. An apparatus for reconstructing a 3D model , comprising:an image acquisition unit for acquiring multi-view images by receiving image signals captured by multiple drones using cameras;a geometric calibration unit for estimating motion variables of the drones based on the acquired multi-view images; anda 3D model creation unit for reconstructing a 3D model of a dynamic object from the matched multi-view images using a multi-view stereo method.2. The apparatus of claim 1 , wherein the multiple drones are configured to be synchronized on a same time axis in consideration of a preset baseline and to capture the dynamic object using the cameras.3. The apparatus of claim 2 , wherein the geometric calibration unit comprises:an individual geometric calibration unit for generating 3D point clouds of a static background for each of the drones based on the multi-view images and estimating motion variables based on one or more spatial axes;a background-matching unit for generating 3D information of the static background and 3D transform information by matching the 3D point clouds of the static background, and for estimating motion variables based on any one spatial axis using the 3D information of the static background and the 3D transform information; anda bundle adjustment unit for optimizing the 3D information of the static background using a bundle adjustment method.4. The apparatus of claim 3 , wherein claim 3 , if a Euclidean distance between 3D points of the ...

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Номер записи: 12
01-07-2021 дата публикации

Method and apparatus for generating digital surface model using satellite imagery

Номер: US20210201570A1
Автор: Chang-Joon Park, Chang-Woo Chu, Dong-Wan RYOO, Hye-Sun Kim, Jung-jae Yu, Kyung-Kyu Kang, Man-Hee Lee, Yun-Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Disclosed herein are a method and apparatus for generating a digital surface model using satellite imagery. The method includes correcting a geometric error in input satellite images, generating one or more depth maps using a stereo matching method based on the corrected satellite images, and generating a digital surface model by combining the generated depth maps and by estimating a height value for each location on the ground surface.

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Номер записи: 13
13-06-2019 дата публикации

METHOD AND APPARATUS FOR PERFORMING GEOMETRIC CORRECTION ON IMAGES OBTAINED BY MULTIPLE CAMERAS

Номер: US20190180422A1
Автор: BAN Yun Ji, CHU Chang Woo, KANG Kyung Kyu, KIM Hye Sun, LEE Man Hee, PARK Chang Joon, RYOO Dong Wan, YU Jung Jae
Принадлежит: Electronics and Telecommunications Research Institute

Disclosed is a method of performing geometric correction on images obtained by multiple cameras and an image obtainment apparatus therefor, the method including: receiving the images obtained by the multiple cameras; extracting feature points of the received images and checking an interrelation between the extracted feature points; estimating locations and directions of the cameras, which respectively obtain the images, by using the interrelation between the feature points; calculating a relative geometric relationship between the multiple cameras from the estimated locations and directions of the cameras when the received images are determined as the images obtained by the multiple cameras with a fixed geometric interrelationship; and performing the geometric correction on each of the images by using the calculated geometric relationship. The method of efficiently performing geometric correction according to the embodiment of the present invention enables images to be obtained easily using the unmanned device with a short photographing time. 1. A method of performing geometric correction on images obtained by multiple cameras , the method comprising:receiving, at an image reception step, the images obtained by the multiple cameras;extracting, at an image feature point extraction step, feature points of the received images and checking an interrelation between the extracted feature points;estimating, at a location and direction estimation step, locations and directions of the cameras, which respectively obtain the images, by using the interrelation between the feature points;calculating a relative geometric relationship between the multiple cameras from the estimated locations and directions of the cameras when the received images are determined as the images obtained by the multiple cameras with a fixed geometric interrelationship; andperforming the geometric correction on each of the images by using the calculated geometric relationship.2. The method of claim 1 , ...

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Номер записи: 14
02-10-2014 дата публикации

SYSTEM AND METHOD FOR PROVIDING STEREOSCOPIC IMAGE BY ADJUSTING DEPTH VALUE

Номер: US20140292748A1
Автор: BAN Yun Ji, BYON Joo Hee, JANG Kyung Ho, KIM Hae Dong, KIM Hye Sun, KIM Myung Ha, NAM Seung Woo, YU Jung Jae
Принадлежит: Electronics and Telecommunications Research Institute

Provided is a system and method for providing a stereoscopic image by adjusting a depth value, the system including a depth value estimator to estimate a depth value of an object included in a first stereoscopic image from the stereoscopic image, a depth value adjusting unit to adjust the depth value in consideration of a display device, a stereoscopic image processing unit to process the first stereoscopic image to be a second stereoscopic image based on the adjusted depth value, and a stereoscopic image provider to provide the second stereoscopic image to the display device. 1. A system for providing a stereoscopic image , the system comprising:a depth value estimator to estimate a depth value of an object included in a first stereoscopic image from the stereoscopic image;a depth value adjusting unit to adjust the depth value in consideration of a display device;a stereoscopic image processing unit to process the first stereoscopic image to be a second stereoscopic image based on the adjusted depth value; anda stereoscopic image provider to provide the second stereoscopic image to the display device.2. The system of claim 1 , wherein the depth value estimator estimates claim 1 , relative to a reference object included in a zero screen among objects claim 1 , a negative depth value of an object visible over a short distance and a positive depth value of an object visible over a long distance.3. The system of claim 2 , wherein the depth value estimator estimates a zero depth value of the reference object.4. The system of claim 1 , wherein the depth value adjusting unit adjusts the depth value to decrease as a size of a screen of the display device increases claim 1 , and adjusts the depth value to increase as the size of the screen of the display device decreases.5. The system of claim 1 , wherein the depth value adjusting unit adjusts the depth value to increase as a viewing distance increases claim 1 , and adjusts the depth value to decrease as the viewing ...

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Номер записи: 15
30-07-2015 дата публикации

APPARATUS FOR REPRESENTING 3D VIDEO FROM 2D VIDEO AND METHOD THEREOF

Номер: US20150212687A1
Автор: BAN Yun Ji, JANG Kyung Ho, KIM Hye Sun, KIM Myung Ha, Koo Bon Ki, NAM Seung Woo
Принадлежит:

A method of representing a 3D video from a 2D video by use of a node-based task pipeline for 3D video representation, the method implementable by a computer and including generating nodes, each having a defined task sequence required for a 3D video representation, in a node connecting task section provided to a Graphic User Interface (GUI), generating a task pipeline defining a connectivity relationship between the generated nodes, providing a user interface that is configured to operate user-defined data that is to be used by a certain node of the task pipeline, and generating user-defined data based on a user input that is input through the user interface, and outputting a 3D video from an input 2D video by use of the task pipeline and the user-defined data. 1. A method of representing a 3D video from a 2D , the method implementable by a computer and comprising:generating nodes, each having a defined task sequence required for a 3D video representation, in a node connecting task section provided to a Graphic User Interface (GUI);generating a task pipeline defining a connectivity relationship between the generated nodes;providing a user interface that is configured to operate user-defined data that is to be used by a certain node of the task pipeline, and generating user-defined data based on a user input that is input through the user interface; andoutputting a 3D video from an input 2D video by use of the task pipeline and the user-defined data.2. The method of claim 1 , further comprising displaying a result processed by the certain node of the task pipeline in real time.3. A method of representing a 3D video from a 2D video claim 1 , the method implementable by a computer and comprising:providing a second user interface configured to generate a node-based task pipeline according to scenes, in which the second user interface generates nodes, displays a task space in which nodes are connected to each other, and displays a diagram showing connectivity between ...

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Номер записи: 16
27-07-2017 дата публикации

APPARATUS AND METHOD FOR GENERATING 3D FACE MODEL USING MOBILE DEVICE

Номер: US20170213385A1
Автор: BAN Yun Ji, CHOI Jin Sung, KANG Hyun, KIM Hye Sun, KIM Jae Hean, PARK Chang Joon, RYOO Dong Wan, YU Jung Jae
Принадлежит:

An apparatus for generating a 3-dimensional face model includes a multi-view image capturer configured to sense a motion of the mobile device and automatically capture still images from two or more directions; and a 3D model generator configured to generate a 3D face mode using the two or more still images obtained by the multi-view image capturer. 13. An apparatus for generating a -dimensional (3D) face model using a mobile device , the apparatus comprising:a multi-view image capturer configured to sense a motion of the mobile device and automatically capture still images from two or more directions; anda 3D model generator configured to generate a 3D face mode using the two or more still images obtained by the multi-view image capturer.2. The apparatus of claim 1 , wherein the multi-view image capturer comprises a mode determiner configured to set a camera mode to either a motion mode or a capture-standby mode according to a measured value from an inertial sensor equipped in the mobile device claim 1 , and an image obtainer configured to perform image capturing to obtain the still images in response to the mode determiner setting the camera mode to the capture-standby mode.3. The apparatus of claim 1 , wherein the mode determiner is configured to set a camera mode to a motion mode or a capture-standby mode according to whether an accumulated amount of a motion of the inertial sensor that is calculated at designated time intervals is greater than a specific threshold.4. The apparatus of claim 1 , wherein the multi-view image capturer comprises a camera property adjuster configured to obtain a test image and adjust ISO number of a camera and sensitivity of feature point detection.5. The apparatus of claim 4 , wherein the camera property adjuster is configured to detect facial feature points from the test image claim 4 , and increase the ISO number of the camera and the sensitivity of feature point detection until a number of feature points detected reaches a ...

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Номер записи: 17
25-06-2020 дата публикации

Method and apparatus for matching 3-dimensional terrain information using heterogeneous altitude aerial images

Номер: US20200202616A1
Автор: Chang-Joon Park, Chang-Woo Chu, Dong-Wan RYOO, Hye-Sun Kim, Jung-jae Yu, Kyung-Kyu Kang, Man-Hee Lee, Yun-Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Disclosed herein are a method and apparatus for matching 3D terrain information based on aerial images captured at different altitudes. The method includes receiving a high-altitude numerical height model based on a terrain image captured at a specific high altitude; receiving 3D terrain information observed from a low altitude, which is generated based on a terrain image captured at an altitude lower than the specific high altitude; generating a low-altitude numerical height model by converting the 3D terrain information into a numerical model in the same form as the high-altitude numerical height model; measuring the cross-correlation between the high-altitude numerical height model and the low-altitude numerical height model, thereby calculating matching parameters for enabling the low-altitude numerical height model to match the high-altitude numerical height model; and adjusting the geospatial coordinates of the 3D terrain information based on the matching parameters and outputting georeferenced 3D terrain information in the same coordinate system as the high-altitude numerical height model.

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Номер записи: 18
13-08-2015 дата публикации

METHOD AND APPARATUS FOR CONVERTING 2D VIDEO IMAGE INTO 3D VIDEO IMAGE

Номер: US20150229903A1
Автор: BAN Yun Ji, JANG Kyung Ho, KIM Hye-Sun, NAM Seung Woo
Принадлежит:

An apparatus for converting a 2D video into a 3D video updates a plurality of segmentation images of a previous frame by using motion information with respect to each frame, applies depth information of each segmentation image of the previous frame to a corresponding segmentation image of a subsequent frame to create a depth map image of each frame, and creates a stereoscopic image of each frame by using the depth map image of each frame. 1. A converting method of an apparatus for converting a 2D video into a 3D video , the converting method comprising:creating a depth map image with respect to a first frame image, among a plurality of continuous frame images of the 2D video, by using color information of the first frame image;creating depth map images with respect to second to final frame images, among the plurality of frame images, by using motion information between a current frame image and a previous frame image with respect to each frame image; andcreating a stereoscopic image by using the depth map images respectively created from the plurality of frame images.2. The converting method of claim 1 , wherein the creating of the depth map image with respect to the first frame image comprises:splitting the first frame image into a plurality of segmentation images by using color information of the image; andapplying depth information to each of the plurality of segmentation images to create a depth map image with respect to the first frame image.3. The converting method of claim 2 , wherein the creating of depth map images with respect to the second frame image to the final frame image comprises:updating a plurality of segmentation images of a previous frame image by using motion information between a current frame image and the previous frame image with respect to each frame image to create a plurality of segmentation images of each frame image; andapplying depth information to each of the plurality of updated segmentations of each frame image to create a depth ...

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Номер записи: 19
02-07-2020 дата публикации

APPARATUS AND METHOD FOR GENERATING 3D GEOGRAPHIC DATA

Номер: US20200211256A1
Автор: BAN Yun-Ji, CHU Chang-Woo, KANG Kyung-Kyu, KIM Hye-Sun, LEE Man-Hee, PARK Chang-Joon, RYOO Dong-Wan, YU Jung-Jae
Принадлежит: Electronics and Telecommunications Research Institute

Disclosed herein is an operating method of an apparatus for generating 3D geographic data. The operating method may include receiving multi-view images, generating a 3D mesh and texture for a first distance view from the multi-view images, generating hybrid Digital Surface Model (DSM) data for a second distance view using the 3D mesh and the texture, and generating DSM data for a third distance view using the 3D mesh and the texture. 1. An operating method of an apparatus for generating 3D geographic data , comprising:receiving multi-view images;generating a 3D mesh and texture for a first distance view from the multi-view images;generating hybrid Digital Surface Model (DSM) data for a second distance view using the 3D mesh and the texture; andgenerating DSM data for a third distance view using the 3D mesh and the texture.2. The operating method of claim 1 , wherein generating the 3D mesh and the texture comprises:calculating 3D information from the multi-view images, thereby generating the 3D mesh and texture that are capable of being visualized in a 3D program.3. The operating method of claim 2 , further comprising:storing the 3D mesh and the texture for the first distance view in a first distance view layer.4. The operating method of claim 3 , wherein storing the 3D mesh and the texture comprises:simplifying the 3D mesh and the texture with an increase in a viewpoint distance;classifying the simplified 3D mesh and the simplified texture for each detailed geographic layer; andstoring the simplified 3D mesh and the simplified texture for each detailed geographic layer in the first distance view layer.5. The operating method of claim 1 , wherein generating the hybrid DSM data comprises:reprocessing the 3D mesh and the texture in a form of a height map, thereby generating the hybrid DSM data.6. The operating method of claim 5 , further comprising:storing the hybrid DSM data in a second distance view layer.7. The operating method of claim 5 , wherein generating the ...

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Номер записи: 20
29-02-2024 дата публикации

Method and apparatus for generating 3d spatial information

Номер: US20240070979A1
Автор: Yun-Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Disclosed herein is a method for generating 3D spatial information. The method may include detecting feature points in an image sequence, creating a sparse point cloud by predicting camera information based on the feature points, creating a mesh based on the sparse point cloud, detecting the line of an object in the image sequence using a deep-learning model, modifying the mesh based on the line, and performing texture mapping on the modified mesh.

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Номер записи: 21
25-05-2023 дата публикации

Method of separating terrain model and object model from three-dimensional integrated model and apparatus for performing the same

Номер: US20230162363A1
Автор: Hye-Sun Kim, Yun Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Provided is a method of separating a terrain model and an object model from a three-dimensional integrated model and an apparatus for performing the same. A separation method according to various example embodiments includes creating separation information about an integrated model based on a multi-viewpoint image including an object on a terrain, model information of the integrated model obtained by restoring the multi-viewpoint image in three dimensions, and information of an image shooting device shooting the multi-viewpoint image, and separating a terrain model and an object model from the integrated model based on the separation information.

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Номер записи: 22
01-06-2023 дата публикации

Method of separating terrain mesh model and device for performing the same

Номер: US20230169741A1
Автор: Hye-Sun Kim, Yun Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Disclosed is a separation method including obtaining a mesh model separated into an object unit, based on a segmentation image extracting an object included in an image sequence, updating second label information of the separated mesh model, based on first label information of the segmentation image and a user's input, and updating the separated mesh model, based on the updated second label information, in which an integrated mesh model before being separated into an object unit is generated from the image sequence.

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Номер записи: 23
01-08-2017 дата публикации

Apparatus for representing 3D video from 2D video and method thereof

Номер: US09720563B2
Автор: Bon Ki Koo, Hye Sun Kim, Kyung Ho JANG, Myung Ha Kim, Seung Woo Nam, Yun Ji Ban
Принадлежит: Electronics and Telecommunications Research Institute ETRI

A method of representing a 3D video from a 2D video by use of a node-based task pipeline for 3D video representation, the method implementable by a computer and including generating nodes, each having a defined task sequence required for a 3D video representation, in a node connecting task section provided to a Graphic User Interface (GUI), generating a task pipeline defining a connectivity relationship between the generated nodes, providing a user interface that is configured to operate user-defined data that is to be used by a certain node of the task pipeline, and generating user-defined data based on a user input that is input through the user interface, and outputting a 3D video from an input 2D video by use of the task pipeline and the user-defined data.

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Номер записи: 24