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:
Mar. 30, 2021
Filed:
Jul. 11, 2019
Autochips Inc., Hefei, CN;
Licong Deng, Hefei, CN;
AUTOCHIPS INC., Hefei, CN;
Abstract
An image noise intensity estimation method, an image noise intensity estimation device, and an image recognition device are disclosed. The method includes: obtaining a first image to be estimated; filtering the first image to obtain a second image; dividing the first and second images to obtain a plurality of first image sub-blocks and a plurality of second image sub-blocks respectively; calculating error values between the first image sub-blocks and the second image sub-blocks in corresponding positions; and estimating the noise intensity of the first image according to a plurality of error values obtained by calculation. The method can improve the accuracy of noise estimation.