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发明名称
低对比灰阶影像边缘检测方法
摘要
本发明系关于一种低对比灰阶影像边缘检测方法,主要系对一灰阶影像进行一般影像梯度矩阵运算,以产生此影像的梯度矩阵值,又在必要时实施第二次梯度矩阵运算,以抑制影像杂讯,而强化影像边缘对比及调整影像边缘粗细;接着计算并记录每段影像边缘互相链结数目,再根据门槛临界值参数及影像边缘的间隔判断每段影像边缘是杂讯或是残余断离链结,若是杂讯则移除,残余断离链结则保留;利用前述技术可加强边缘对比达成抑制杂讯之效果,有效提升影像边缘之检测效率,以供即时影像辨识之用途。
申请公布号
TW200516515
申请公布日期
2005.05.16
申请号
TW092131494
申请日期
2003.11.11
申请人
国防部中山科学研究院
发明人
陈东敏;洪庚申;黄保顺;高进登;黄樱富;张家豪
分类号
G06T9/20
主分类号
G06T9/20
代理机构
代理人
林镒珠
主权项
地址
桃园县龙潭乡中正路佳安段481号
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