04-01-2018 дата публикации
Номер: US20180003807A1
Принадлежит:
A time-of-flight (TOF) sensor device is configured to perform classification analytics on a waveform signal representing a reflected light pulse, and to classify an object from which the light pulse was received based on characteristic properties of the reflected pulse. The TOF sensor device can compare the reflected pulse waveform with stored characteristic waveform profiles indicative of different types of objects or atmospheric particulates, including but not limited to snow, aerosol, water, fog, or mist. Some embodiments of TOF sensor device can also detect excessive levels of mist or suspended particulates that may reduce the detection accuracy of the sensor. To this end, such embodiments project focused light beams according to a defined pattern, and compare the reflected pattern with the defined pattern to determine a degree of pattern distortion attributable to the presence of mist. 1. An imaging device , comprising:a memory that stores executable components; an illumination component configured to emit a light pulse toward a viewing field;', 'a photo-receiver configured to generate an electrical output proportional to an intensity of light incident on a surface of the photo-receiver;', 'a pixel array component configured to generate waveform data corresponding to a reflected light pulse received by the photo-receiver based on the electrical output;', 'a waveform analysis component configured to perform a comparison of the waveform data with signature profile data that defines characteristic waveform signatures corresponding to respective object classifications, and generate classification data assigning an object classification, of the object classifications, to an object corresponding to the reflected light pulse based on a result of the comparison; and', 'a hazard analysis and decision component configured to generate an output signal based on the object classification., 'a processor, operatively coupled to the memory, that executes the executable ...
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