An Improved Transform Coefficient Sign Bit Hiding Method Based on Restoring Transform Coefficients
A technology for transforming coefficients and sign bits, applied in the field of video decoding, can solve the problems of loss of video coding quality, reduce video coding bit rate, etc., to achieve the effect of improving video coding performance, reducing video quality loss, and reducing coding complexity
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[0018] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0019] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0020] Such as figure 1 Shown: the improved transform coefficient sign bit hiding method based on restored transform coefficients in the embodiment of the present invention, the quantized transform coefficients are divided into multiple 4×4 transform coefficient matrices CG, the improved transform coefficient sign bit hiding technology based on restored transform coefficients Include the following steps:
[0021] S101: Determine the positions of the first and last non-zero transform ...
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