Method for implementing H.264 deblocking filter algorithm based on reconfigurable technique
A technology of deblocking filtering and implementation methods, which is applied in television, electrical components, digital video signal modification and other directions, and can solve the problems of H.264 codec performance and flexible influence, complex calculation, and large amount of data.
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[0026] The method of the present invention aims at the deblocking filter algorithm in the H.264 decoding algorithm, removes the block effect brought by the transformation and quantization to the image, makes the block edge smooth, improves the visual effect, and at the same time, the filtered macro is used for inter-frame prediction and motion Compensation can obtain smaller residual data; this method is applied to a coarse-grained reconfigurable processor system, including the following steps: First, the algorithm needs to be divided into software and hardware and parallelism analysis to determine the data flow of the entire algorithm. Then it is necessary to optimize the algorithm and convert the source code to convert it into a form that can be realized by a reconfigurable array, mainly considering the implementation of the control flow; finally, convert the algorithm into a data flow graph form to generate the configuration information of the reconfigurable processing unit ...
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