The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7826678 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2010

Filed:

Oct. 23, 2006
Applicants:

Szu-hao Lyu, Taoyuan County, TW;

Meng-yun Ying, Taipei, TW;

Inventors:

Szu-Hao Lyu, Taoyuan County, TW;

Meng-Yun Ying, Taipei, TW;

Assignee:

Primax Electronics Ltd., Neihu, Taipei, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention discloses an adaptive image sharpening method for generating a sharpened image area corresponding to an original image area. The original image area includes a plurality of original pixel values. The method includes blurring the original image area to generate a plurality of blurred pixel values corresponding to the plurality of original pixel values respectively, calculating a plurality of characteristic values corresponding to the plurality of original pixel values respectively, statistically analyzing the plurality of characteristic values to generate a plurality of weighting values corresponding to the plurality of original pixel values respectively, and generating a plurality of sharpened pixel values according to the plurality of original pixel values, the plurality of blurred pixel values, and the plurality of weighting values. The plurality of sharpened pixel values constitutes the sharpened image area.


Find Patent Forward Citations

Lyu, Szu-Hao. (2010). Adaptive image sharpening method (U.S. Patent No. 7826678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7826678

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