An image processing method, system, device and medium

Abstract

The invention discloses an image processing method, system, equipment and medium. In the method, at least one data block is obtained by dividing image data into blocks; the access width is determined according to the stride alignment mode set by the user; and the access width is determined according to the access width. and the first address of the data block to divide the data block into the first data block, the middle data block and the last data block; the image data in the first data block, the middle data block and the last data block are written into the data cache module in turn; according to the processing block size and The address sequence acquires the image data sequentially from the data cache module, and multiplexes the preset column data in the horizontal direction. This solution can reduce a Memory bus request for a breakpoint between blocks in the horizontal direction, and when obtaining image data from the data cache module data according to the processing block size, it also reuses the preset column data in the horizontal direction without having to repeat Issue Memory bus requests, further reduce bus requests, and improve the efficiency of image processing.

Description

An image processing method, system, device and medium technical field [0001] The present invention relates to the technical field of image processing, and in particular, to an image processing method, system, device and medium. Background technique [0002] In the related art, when the image is processed, the image data is read using a fixed processing block size for image processing. Like hardware acceleration, when processing images such as arbitrary angle rotation, image scaling, image miscutting, or image scaling plus fixed rotation, etc. function, since these image functions are processed in blocks, Bilinear filtering is usually required when calculating the pixel points of the target image. The algorithm processes the pixel points of the block boundary, so it needs to take more pixels in the four directions of up / down / left / right. If fixed treatment When the block size method is the method corresponding to the block data, each time the data is fetched from the ex...

AI Technical Summary

Problems solved by technology

For example, when implementing Bilinear algorithm processing, 3 more pixels are taken, thus increasing the bus request will increase the additional time occupied by the Memory bus, which will greatly reduce the work efficiency of image processing

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