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.:
Date of Patent:
Jun. 04, 2013
Filed:
Oct. 27, 2009
Wei-ting Suen, Tainan County, TW;
Shing-chia Chen, Tainan County, TW;
Wei-Ting Suen, Tainan County, TW;
Shing-Chia Chen, Tainan County, TW;
Himax Media Solutions, Inc., Sinshih Township, Tainan County, TW;
Abstract
An image enhancement apparatus is provided. The image enhancement apparatus includes a global contrast curve generator, a local contrast curve generator and an image generator. The global contrast curve generator generates a global contrast curve for an input image according to a global histogram of the input image. The local contrast curve generator generates a local contrast curve for each image partition within the input image according to the global contrast curve and further a feature of the image partition. The image generator generates an output image by enhancing a contrast of each image partition according to the local contrast curve for the image partition and the input image, and merging the enhanced image partitions.