The invention provides a compensation method and device for a display panel and a storage medium. The method comprises: acquiring a first compensation table storing compensation information of all pixels; And compensating the display panel according to the compensation table, Wherein each pixel in the compensation table is divided into a plurality of compensation sub-blocks, each compensation sub-block comprises a plurality of pixels arranged in an array, the compensation data corresponding to each compensation sub-block is obtained by a preset reference compensation sub-block corresponding toeach compensation sub-block, and the reference compensation sub-block of each compensation sub-block is the compensation sub-block with the maximum cross energy spectrum peak value in a preset area near the current compensation sub-block. According to the invention, the compensation table is divided into the plurality of compensation sub-blocks, the reference compensation sub-block of each compensation sub-block is obtained, and then the new compensation table after compression processing is obtained, so that the compression process can be simplified, the coding speed can be improved, and thecompensation efficiency of the display panel can be improved.

Compensation method and compensation device of display panel and storage medium

The invention provides a motion vector compensation method and a motion vector compensation system for a lost block in video code stream error hiding. The motion vector compensation method comprises the steps of searching the lost block, acquiring a reference frame in a video code stream, searching available blocks around the lost block, searching compensation codes which correspond with the available block in the reference frame, performing structural similarity comparison on the available block and the compensation codes which correspond with the available block, and selecting the motion vector of the available block with highest structural similarity contrast value as motion vector compensation of the lost block. Because the boundary information of the current frame of the lost block is not utilized in a structural similarity evaluation criterion, a problem of low image restoration quality when the lost block is at the boundary or the area with complicated pattern can be well overcome. No matter the position of the lost block in the image, motion vector compensation of the lost block can be accurately obtained by means of the structural similarity evaluation criterion.

Motion vector compensation method and motion vector compensation system for lost block in video code stream error hiding

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Motion vector compensation method and motion vector compensation system for lost block in video code stream error hiding