Lee, Jong-SeokEbrahimi, Touradj2009-07-022009-07-022009-07-02200910.1109/MMSP.2009.5293288https://infoscience.epfl.ch/handle/20.500.14299/41002WOS:000274991300073This paper proposes an efficient video coding method which utilizes audio-visual information, based on the observation that sound-emitting regions in a video sequence attract observer’s attention. The regions responsible for the sound are identified by an audio-visual source localization algorithm. Then, the result is used for encoding different regions in the scene with different quality in such a way that a region far from the sound source is coded with a lesser number of bits than the sound-emitting regions. This is implemented by assigning different quantization parameter values for different regions in H.264/AVC. Experimental results demonstrate the effectiveness of the proposed approach.video codingaudio-visual source localizationaudio-visual focus of attentionH.264/AVCtext::conference output::conference proceedings::conference paper