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:
May. 03, 2016
Filed:
Apr. 29, 2014
Himax Imaging Limited, Tainan, TW;
Yuan-Chih Peng, Tainan, TW;
HIMAX IMAGING LIMITED, Tainan, TW;
Abstract
A local enhancement method is provided, including: dividing an image into a plurality of blocks, which include a first block and a second block adjacent to the first block; generating histograms of the blocks respectively; generating enhancement functions of the blocks respectively based on the corresponding histograms, wherein the enhancement functions include at least a first contrast enhancement function of the first block and a second contrast enhancement function of the second block; and for each pixel in the blocks: generating a first enhanced pixel value for a current pixel of the first block based on the first contrast enhancement; generating a second enhanced pixel value for the current pixel of the first block based on the second contrast function of the second block; and generating a final enhanced pixel value for the current pixel based on the first and second enhanced pixel values.