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Speaker and person backlighting for improved AEC and AGC

Image Number 5 for United States Patent #8130257.

Regions of interest in video image capture for communication purposes are selected based on one or more inputs based on sound source localization, multi-person detection, and active speaker detection using audio and/or visual cues. Exposure and/or gain for the selected region are automatically enhanced for improved video quality focusing on people or inanimate objects of interest.

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