Method, device and equipment for repairing broken lines
A bad line repair, bad line technology, applied in the field of data processing, can solve the problems of bad line repair effect, bad line repair effect, etc.
Active Publication Date: 2020-08-04
NEUSOFT MEDICAL SYST CO LTD
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Problems solved by technology
However, for images using low-density grids, due to the existence of grating shadows on the image, even after the repair of the detector itself, the repair effect of the bad lines on the image that is consistent with the grating shadow direction is still not good, such as figure 1 As shown, it is a schematic diagram of the restoration effect of the low-density grid image repaired by the detector itself, and the repair effect of the framed bad lines is poor
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[0074] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
[0075] Due to the detector process, there are usually bad lines on the output image. In order to ensure the quality of the image, the bad lines on the image are usually repaired by the detector itself. However, the inventor found that the image using the low-density grid, even if repaired by the detector itself, still has poor repair effect. Happening.
[0076] Regular and uniformly distributed streaks (hereinafter referred to as shadow...
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The invention discloses a method, device and equipment for repairing bad lines. The method includes: determining that there is a raster shadow on the image to be repaired; obtaining the direction information of the raster shadow; and determining the raster shadow to be repaired based on the direction information of the raster shadow. Repair the bad lines on the image that are consistent with the direction information of the raster shadow; obtain the grayscale average of the pixels located on both sides of the bad line and separated from the bad line by a preset number; use the grayscale The average value is used to repair the bad lines on the image to be repaired. Since the pixels that are a preset number of pixels away from the bad line are less affected by the raster shadow, the bad line can be repaired by using the gray average of the pixels located on both sides of the bad line and a preset number of pixels away from the bad line. It has better repair effect on bad lines on low-density raster images.
Description
technical field [0001] The present application relates to the field of data processing, and in particular to a method, device and equipment for repairing a bad wire. Background technique [0002] Due to the relationship of the detector technology, there are usually bad lines on the output image, which affects the quality of the image and needs to be repaired. [0003] Usually, the detector itself will automatically repair the bad lines on the output image according to the bad point map. However, for images using low-density grids, due to the existence of grid shadows on the image, even after the detector itself is repaired, the repairing effect of the bad lines on the image that are consistent with the direction of the grid shadows is still poor, such as figure 1 As shown, it is a schematic diagram of the repairing effect of the low-density grid image repaired by the detector itself, wherein the repairing effect of the framed bad lines is poor. [0004] Therefore, there is...
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IPC IPC(8): G06T5/00
CPCG06T5/77
Inventor 李海春王柳
Owner NEUSOFT MEDICAL SYST CO LTD