Patent · US Active

Image binarization using mean restrain

US10832085B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Bin Gu · State College, US
Xiao Chao Yan · Shanghai, CN
Chongming Wang · Shanghai, CN
Jian Bing CHEN · Shanghai, CN
Min Xu · Lo Wu, CN

Key dates

Filing date	Sep 6, 2018
Grant date	Nov 10, 2020
Priority date	—
Expiry date	Nov 24, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04N1/40012
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Methods and systems for image binarization using mean restrain are disclosed. A method includes: obtaining, by a computing device, a grayscale image; generating, by the computing device, a histogram from the grayscale image; determining, by the computing device, a foreground mean value and a background mean value for each pixel value in the histogram; determining, by the computing device, a binarization threshold using the foreground mean values and the background mean values; and generating, by the computing device, a binarized image using the grayscale image and the binarization threshold.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.