15 lines
		
	
	
		
			451 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			451 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| import cv
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| 
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| def precornerdetect(image):
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|     # assume that the image is floating-point 
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|     corners = cv.CloneMat(image)
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|     cv.PreCornerDetect(image, corners, 3)
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| 
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|     dilated_corners = cv.CloneMat(image)
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|     cv.Dilate(corners, dilated_corners, None, 1)
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| 
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|     corner_mask = cv.CreateMat(image.rows, image.cols, cv.CV_8UC1)
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|     cv.Sub(corners, dilated_corners, corners)
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|     cv.CmpS(corners, 0, corner_mask, cv.CV_CMP_GE)
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|     return (corners, corner_mask)
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