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In this paper, we aim to reduce the channel switching time for Internet protocol TV (IPTV) without unduly influencing the picture quality. For this purpose, we propose to adopt the H.264 scalable video coding scheme, for which we allocate a base layer and enhancement layers of each channel to two separate multicast groups. In preview mode, users access the base layers of different channels already...
In this paper we aim to reduce the switching time for Internet protocol tv (IPTV) using H.264 scalable video coding. In preview mode, we transmit the base layers of several channels simultaneously and thus switch instantaneously between them. In watching mode, the base and enhancement layers of the current channel are both transmitted and full video quality is achieved. Experiments show fast channel...
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