Hough transformation linear detection method based on dynamic threshold range
A technology of straight line detection and threshold interval, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve the problems of difficulty in setting the threshold, increasing the computational complexity of the method, and the large amount of calculation, so as to avoid a large number of calculations and improve The effect of detection efficiency and effectiveness
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[0019] Hereinafter, the present invention will be further described in detail with reference to the drawings of the present invention in combination with specific embodiments, but the protection scope of the present invention is not limited by specific embodiments, and the claims shall prevail. In addition, under the premise of not violating the solution of the present invention, any modifications or changes made to the present invention that can be easily implemented by a person of ordinary skill in the art shall fall within the scope of the claims of the present invention.
[0020] The present invention includes the following key steps:
[0021] Step 1: After the straight line in the image is refined, output the skeleton line with at most two adjacent pixels in the 8-neighborhood of any pixel. figure 1 The shown process stores the straight line segments in a certain array in sequence;
[0022] Step 2: Construct a threshold interval;
[0023] (1) Construction of threshold interval in...
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