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Title: US5524162: METHOD AND APPARATUS FOR ADAPTIVE SHARPENING OF IMAGESMethod and apparatus for adaptive sharpening of images
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US United States of America
A PATENT [FROM BEGIN UNTIL END 2000] or PATENT ISSUED AFTER 1ST PUB. WITHIN THE TVPP i

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Inventor: LEVIEN, RAPHAEL L.; United States of America

Assignee: LEVIEN; RAPHAEL L. United States of America
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Published / Filed: 1996-06-04 / 1991-07-22

Application Number: US1991000733479

IPC Code: Advanced: G06T 5/20;
Core: more...

ECLA Code: G06T5/20;

U.S. Class: 382/263;

Priority Number:
1991-07-22  US1991000733479

Abstract:     A method and apparatus for adaptively sharpening an image includes dividing the image area into smaller sub-areas each containing a sub-image, and adaptively sharpening each sub-area image individually. That is, the sharpening factor SF, and the blur area are automatically and adaptively set differently for each individual sub-area image of the original photograph. The sharpening effect is thus improved over the entire image area since each sub-area image of the original image is sharpened in accordance with the amount of sharpening needed. Areas with more detail needing more sharpening, would receive more sharpening, while other areas such as gray sky, receive almost no sharpening.

Maintenance Status: E2 Expired  Check current status

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Gazette date Code   Description (remarks)     List all possible codes for US
2004-08-03 FP - Expired due to failure to pay maintenance fee   ( 2004-06-04 )
2004-06-04 LAPS - Lapse for failure to pay maintenance fees  
1999-11-22 FPAY + Fee payment  


       
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Buy PDF - 9pp US5524162 1996-06-04  1991-07-22    Method and apparatus for adaptive sharpening of images
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Forward References: Show 23 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (23)   |   Backward references (0)   |   Citation Link

       
Other Abstract Info: DERABS G96-277243 DERG96-277243

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