Fast Selection Method of HEVC Prediction Mode Based on Spatial Correlation
A prediction mode and fast selection technology, applied in the field of video processing, can solve problems such as time needs to be improved, encoding speed needs to be improved, and methods are complicated, and achieve the effect of accurate mode selection results, reducing the number of candidates, and reducing encoding time.
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[0040] The present invention will be further described in detail with reference to the accompanying drawings and embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0041] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0042] Step 1: Input a video sequence, and calculate the probability relationship between the best prediction mode of the CU in the first 10 inter-coded frames and the best prediction mode of the best spatial reference CU.
[0043] 1a) Judging whether the coding unit is a homogeneous coding unit in the time domain:
[0044] There are five resolutions of encoded video sequences: 416×240, 832×480, 1280×720, 1920×1080, and 2560×1600. The value range of the quantization parameter QP is [20,41]...
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