A telescopic video coding method for optimized transmission of interested area
A technology of priority transmission and video coding, applied in digital video signal modification, television, electrical components, etc., can solve the problem of combining priority transmission without regions of interest with scalable video coding methods, etc.
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[0028] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0029] In the present invention, there are two ways to determine the ROI in the scalable video coding scheme for ROI priority transmission, one is determined by the encoding end during encoding, and the other is specified by the user at the receiving end. When encoding, set the central region of the video image as the region of interest.
[0030] H.264's excellent compression ability and adaptability to different networks have become the preferred technology for video transmission applications on specific wireless channels with harsh conditions and the basis for other research work. The realized scalable video coding structure based on H.264 is a layered coding structure, and its structure is as follows figure 1 shown. The codec of the basic layer is implemented by H.264, and the codec of the enhanced layer is designed by itself by referring to the codec of CAVL...
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