Quantum Image Edge Detection Algorithm
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© 2019, Springer Science+Business Media, LLC, part of Springer Nature.Quantum image processing has been developing rapidly in recent years. In this paper, the edge detection algorithm for quantum images is proposed. Three steps are consisted: quantum image smoothing, finding the highlight gradient and quantum edge tracking. In order to implement the above processes, a quantum comparator is designed and quantum circuits for all the steps are given. The proposed quantum edge detection algorithm makes full use of quantum parallelism.