Binarization method for image processing in complex background
An image processing and complex background technology, applied in the field of image processing, can solve problems such as inapplicability, introduction of large noise, inability to deal with inverse colors, etc., to achieve the effect of reducing the false recognition rate and increasing the recognition rate
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[0035] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0036] (1) If figure 1 As shown, this new binarization method for complex image text information includes the following steps: multi-scale canny operator edge detection; marking connected branches as a circumscribed rectangular frame; screening the rectangular frame with text information; The rectangular box extracts the foreground color and the background color respectively; finally, each box is binarized by the formula mentioned above.
[0037] (2) Edge detection of multi-scale canny operator
[0038] like figure 2 , after grayscale processing of the input color image, multi-scale canny edge detection is performed. The input image can be any color image, but it needs to contain certain text information. During the experiment, the book cover was mainly used. This image contains Chinese and English character information, as well as non-tex...
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