Improving method for binaryzation of two-dimensional code image
An image binarization and two-dimensional code technology, applied in the field of image processing, can solve problems such as image distortion, affecting the reading effect, and recognition errors of two-dimensional code image information
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] In order to improve the rapid recognition ability of the two-dimensional code image, it is necessary to convert the grayscale processed image into a binary image. The processing of image pixels is based on the threshold value and divided according to the threshold value T. Generally, it is divided into two parts, one part is the pixel point greater than T, and the other part is the pixel point smaller than T. The expression of the division basis is:
[0023]...
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