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:
Apr. 07, 2015
Filed:
Sep. 11, 2012
Shyam Vasudeva Rao, Bangalore, IN;
Chandrasekhar Kuppuswamy, Bangalore, IN;
Mahabaleswara Ram Bhatt, Bangalore, IN;
Sriram Padmanabhan, Bangalore, IN;
Shyam Vasudeva Rao, Bangalore, IN;
Chandrasekhar Kuppuswamy, Bangalore, IN;
Mahabaleswara Ram Bhatt, Bangalore, IN;
Sriram Padmanabhan, Bangalore, IN;
Forus Health Pvt. Ltd., Bangalore, Karnataka, IN;
Abstract
The present disclosure relates to image filtering techniques for enhancing image quality. In one embodiment, two filtering techniques are applied on an image. Firstly, an adaptive weighted median filtering operation is performed on an acquired low contrast image corrupted by impulsive noise. Subsequently, a guided image filtering on the image obtained from adaptive weighted median filtering operation to de-blur and enhance the contrast that ultimately assures to preserve the edges of the images. In addition, the image filtering for enhancing image quality is enhanced by several variations of data adaptive guided image filtering and adaptive window sizes for guided image filtering techniques.