发明授权
US06373481B1 Method and apparatus for automatic focusing in an image capture system using symmetric FIR filters
有权
在使用对称FIR滤波器的图像捕获系统中自动聚焦的方法和装置
- 专利标题： Method and apparatus for automatic focusing in an image capture system using symmetric FIR filters
- 专利标题（中）： 在使用对称FIR滤波器的图像捕获系统中自动聚焦的方法和装置
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申请号： US09383117申请日： 1999-08-25
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公开(公告)号： US06373481B1公开(公告)日： 2002-04-16
- 发明人: Yap-Peng Tan , Brent Thomas , Tinku Acharya
- 申请人： Yap-Peng Tan , Brent Thomas , Tinku Acharya
- 主分类号： G06F1300
- IPC分类号： G06F1300
摘要：
In one embodiment, a method for determining a focus value in an image, including selecting an area of interest in the image and a color plane of interest, is described. The color plane of interest within the area of interest is filtered to produce a filtered region. The mean absolute value of the filtered region is determined.
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