发明名称 |
MISCONVERGENCE MEASUREMENT OF A COLOR CRT USING A MONOCHROME CAMERA |
摘要 |
Accurate measurements of the misconvergence of a color CRT are obtained using a monochrome CCD camera or the like and a common image. In accordance with one embodiment of the invention, color misconvergence of a color video display is determined using a monochrome camera, by capturing a monochrome image of an output display displayed on the color video display. For each of multiple different colors, information from the monochrome image is processed to identify a displayed feature or feature pattern of that color, and a position of that displayed feature or feature pattern is determined. Then a difference in position of a feature or feature pattern of a first color and a feature or feature pattern of a second color is determined. The effects of color crosstalk, video/image jitter, and lens distortion are all eliminated or minimized.
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申请公布号 |
WO9944371(A1) |
申请公布日期 |
1999.09.02 |
申请号 |
WO1999US03393 |
申请日期 |
1999.02.17 |
申请人 |
APPLE COMPUTER, INC.;LEE, KWANG, WANG, WEE;WONG, MIN, KEAT |
发明人 |
LEE, KWANG, WANG, WEE;WONG, MIN, KEAT |
分类号 |
H04N17/04;(IPC1-7):H04N17/04;H04N9/28 |
主分类号 |
H04N17/04 |
代理机构 |
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主权项 |
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地址 |
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