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. 21, 2016
Filed:
Oct. 10, 2014
Ncku Research and Development Foundation, Tainan, TW;
Himax Technologies Limited, Tainan, TW;
Ming-Der Shieh, Tainan, TW;
Der-Wei Yang, Tainan, TW;
Yun Chen Chang, Tainan, TW;
Tzung-Ren Wang, Tainan, TW;
NCKU Research and Development Foundation, Tainan, TW;
Himax Technologies Limited, Tainan, TW;
Abstract
An auto-contrast enhancement system includes a human visual system (HVS)-based local difference (LD) histogram unit configured to build a LD histogram with respect to intensity values; a histogram classifier configured to categorize histograms of input images based on distribution properties; and a histogram equalization (HE) unit configured to process the input image according to a result of the HVS-based LD histogram unit and the enhancement level determined in the histogram classifier.