发明名称 |
Correction of defective pixels in a detector |
摘要 |
A detector imaging system having an apparatus and method for correcting defective pixels in an acquired image is disclosed herein. The system includes a correction scheme including temporarily replacing a defective pixel with a linear interpolation of the defective pixel's surrounding neighboring pixel values, determining a local gradient based in part on the acquired image and a gradient kernel, and providing a correction value based on the local gradient to correct the defective pixel. The correction scheme is repeated a plurality of times as desired to correct all the defective pixels in the acquired image.
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申请公布号 |
US7068854(B1) |
申请公布日期 |
2006.06.27 |
申请号 |
US19990474715 |
申请日期 |
1999.12.29 |
申请人 |
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC |
发明人 |
AUFRICHTIG RICHARD;XUE PING;KUMP KENNETH SCOTT |
分类号 |
G06K9/40;G06T1/00;G06T3/40;G06T5/20;H04N1/19;H04N1/40;H04N5/32 |
主分类号 |
G06K9/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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