Encoding method and decoding method for high sharpness video super strong compression
A technology of video compression and coding method, which is applied in the decoding field of decompression and coding, can solve problems such as low spatial resolution, and achieve the effect of wide adaptability and scalability
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[0061] Referring to the accompanying drawings, specific embodiments of the present invention will be described in detail.
[0062] (compression encoding method)
[0063] Video moving images are composed of one frame of one still image, available frame rates include 23.98 frames / s, 24 frames / s, 25 frames / s, 29.97 frames / s, 30 frames / s, 50 frames / s, 59.94 frames / s seconds, 60 frames per second.
[0064] High-definition video super compression coding method of the present invention, the block diagram of its compression process is as follows figure 1 As shown, the video signal (frame-by-frame image) can be divided into three parallel channels to enter the encoder:
[0065] Step 1: Divide each frame of the first video signal into several blocks. The blocks can be rectangular or diamond-shaped. Practice shows that the diamond-shaped video object shape description type is more suitable for image segmentation. Perform wavelet transform on each block, convert the spatial domain to t...
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