Triqubit-state Measurement-based Image Edge Detection Algorithm
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초록
Aiming at the problem that the gradient-based edge detection operators are sensitive to the noise, causing thepseudo edges, a triqubit-state measurement-based edge detection algorithm is presented in this paper. Combing the image local and global structure information, the triqubit superposition states are used torepresent the pixel features, so as to locate the image edge. Our algorithm consists of three steps. Firstly, theimproved partial differential method is used to smooth the defect image. Secondly, the triqubit-state ischaracterized by three elements of the pixel saliency, edge statistical characteristics and gray scale contrast toachieve the defect image from the gray space to the quantum space mapping. Thirdly, the edge image isoutputted according to the quantum measurement, local gradient maximization and neighborhood chaincode searching. Compared with other methods, the simulation experiments indicate that our algorithm hasless pseudo edges and higher edge detection accuracy.
Abstract
Aiming at the problem that the gradient-based edge detection operators are sensitive to the noise, causing thepseudo edges, a triqubit-state measurement-based edge detection algorithm is presented in this paper. Combing the image local and global structure information, the triqubit superposition states are used torepresent the pixel features, so as to locate the image edge. Our algorithm consists of three steps. Firstly, theimproved partial differential method is used to smooth the defect image. Secondly, the triqubit-state ischaracterized by three elements of the pixel saliency, edge statistical characteristics and gray scale contrast toachieve the defect image from the gray space to the quantum space mapping. Thirdly, the edge image isoutputted according to the quantum measurement, local gradient maximization and neighborhood chaincode searching. Compared with other methods, the simulation experiments indicate that our algorithm hasless pseudo edges and higher edge detection accuracy.
참고문헌 (16)
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