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长春光学精密机械与物... [1]
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会议论文 [1]
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2009 [1]
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Self-adaptive threshold canny operator in color image edge detection (EI CONFERENCE)
会议论文
2009 2nd International Congress on Image and Signal Processing, CISP'09, October 17, 2009 - October 19, 2009, Tianjin, China
Luo T.
;
Zheng X.-F.
;
Ding T.-F.
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提交时间:2013/03/25
It needs to set the two thresholds of classical Canny Operator manually
which confined this algorithm. A lot of research on adaptive thresholds choice method has been done to conquer this shortcoming. Based on the gradient histogram
which is studied constantly in the past
a method of gradient histogram difference diagram with adaptive image classification techniques is proposed in this paper. It automatically sets the two thresholds
and avoids disconnected or false edges in detection. Experiments prove that the method is threshold-adaptive and the edge detection performs well in color image whose larger gradient amplitude pixels are mainly located in the edges between the target and background. 2009 IEEE.
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