Electronic video image stabilization
Номер патента: EP2002649A2
Опубликовано: 17-12-2008
Автор(ы): Narendranath Malayath, Raghavendra C. Nagaraj
Принадлежит: Qualcomm Inc
Опубликовано: 17-12-2008
Автор(ы): Narendranath Malayath, Raghavendra C. Nagaraj
Принадлежит: Qualcomm Inc
Реферат: This disclosure describes electronic video image stabilization techniques for imaging and video devices. The techniques involve determining motion and spatial statistics for individual macroblocks of a frame, and determining a global motion vector for the frame based on the statistics of each of the macroblocks. In one embodiment, a method of performing electronic image stabilization includes performing spatial estimation on each of a plurality of macroblocks within a frame of an image to obtain spatial statistics for each of the macroblocks, performing motion estimation on each of the plurality of macroblocks to obtain motion statistics for each of the macroblocks, integrating the spatial statistics and the motion statistics of each of the macroblocks to determine a global motion vector for the frame, and offsetting the image with respect to a reference window according to the global motion vector.
Electronic video image stabilization
Номер патента: WO2007118197A2. Автор: Narendranath Malayath,Raghavendra C. Nagaraj. Владелец: QUALCOMM INCORPORATED. Дата публикации: 2007-10-18.