Anti-filtering method and device, and electronic device
A technology of inverse filtering and direction selection, applied in the field of image processing, can solve problems such as poor image processing efficiency, and achieve the effect of improving the efficiency of inverse filtering
Active Publication Date: 2018-11-30
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an inverse filtering method, device and electronic equipment for solving the problem of poor image processing efficiency in the prior art
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[0040] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0041] see Figure 1 to Figure 5 . It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of the present invention, so that only the components related to the present invention are shown in the diagrams rather than the number, shape and Dimensional drawing, the type, quant...
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The embodiment of the present invention provides an anti-filtering method and device, and an electronic device. In a pixel matrix, a reference pixel point is selected along the diagonal direction of each edge pixel to establish a pixel group, wherein the edge pixel point comprises a matrix row and a matrix line, which are located on the edge of the pixel matrix; the pixel groups are arrayed to form a pixel sequence according to an edge pixel point sequence; each pixel group is calculated orderly according to the pixel sequence; and the pixel value of each pixel point is calculated in parallelin each pixel group. Thus, the pixel group and the pixel sequence are established; serial calculation is implemented between the pixel sequences; in the pixel group, as decoupling is carried out, calculation in parallel can be implemented; and the anti-filtering efficiency can be effectively improved through a manner with parallel calculation and serial calculation combined.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to an inverse filtering method, device and electronic equipment. Background technique [0002] Image processing usually uses a computer to perform denoising, enhancement, restoration, segmentation, feature extraction and other processing on the image to make the image meet the needs of actual use. Taking PNG (English: Portable Network Graphics, Chinese: Portable Network Graphics) image processing technology as an example, PNG image is a lossless data compression image format that allows the use of palette technology and supports the storage of a single raster image with any color depth. And it has the characteristics of alpha channel (translucency), supports gamma correction, supports interlacing, and has nothing to do with the platform. The processing of PGN images usually includes steps such as file decompression and inverse filtering. Among them, file decompression is t...
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IPC IPC(8): G06T1/00G06T1/20
CPCG06T1/00G06T1/20
Inventor 崔星辰赵健尹云峰
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD