[2] GONZALEZ R C,WOODS R E.Digital image processing［M］.3rd ed.London:Pearson,2007.

[5] MCILHAGGA W.The Canny edge detector revisited［J］.International Journal of Computer Vision,2011,91(3): 251-261.

[6] LOHITHASWA M H.Canny edge detection algorithm on FPGA［J］.IOSR Journal of Electronics and Communication Engineering,2015,10(1): 15-19.

[10] MOCHIZUKI Y,TORII A,IMIYA A.N-point Hough transform for line detection［J］.Journal of Visual Communication and Image Representation,2009,20(4): 242-253.

[11] SATZODA R K,SUCHITRA S,SRIKANTHAN T.Parallelizing the Hough transform computation［J］.IEEE Signal Processing Letters,2008,15(1): 297-300.

[13] KAU L J,LEE T L.An HSV model-based approach for the sharpening of color images［C］//Proceedings of the IEEE International Conference on Systems,Man,and Cybernetics,2013: 150-155.