Legemdre moment-based image subpixel edge detection method
A sub-pixel edge and detection method technology, applied in image analysis, image data processing, instruments, etc., can solve problems such as high computational complexity and affecting solution speed, and achieve good robustness, reduce complexity, and reduce quantity Effect
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[0031] In order to make the technical solutions and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:
[0032] Such as figure 1 The shown image sub-pixel edge detection method based on Legendre moments specifically includes the following steps: read image information, grayscale the image and denoise the grayscale image: first convert the input RGB image into a grayscale image. Use the following method:
[0033] Gray=(28×B+151×G+77×R)>>8 (1)
[0034] Among them, ">>" means binary right shift. R, G, and B represent the colors of the three channels of red, green, and blue. Traversing all the pixels of the input image, using formula (1) for each pixel, Gray is the gray value of the corresponding pixel of the obtained gray image.
[0035] Denoise the image:
[0036] The invention adopts the se...
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