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. 08, 2010
Filed:
Apr. 13, 2007
EE Ping Ong, Singapore, SG;
Xiaokang Yang, Singapore, SG;
Weisi Lin, Singapore, SG;
Zhongkang LU, Singapore, SG;
Susu Yao, Singapore, SG;
Ee Ping Ong, Singapore, SG;
Xiaokang Yang, Singapore, SG;
Weisi Lin, Singapore, SG;
Zhongkang Lu, Singapore, SG;
Susu Yao, Singapore, SG;
Agency for Science, Technology and Research, Singapore, SG;
Abstract
A method of measuring a quality of a test video stream, the method comprising measuring a content richness fidelity feature of the test video stream based on occurrences of color values in image frames of the test video stream; measuring a block-fidelity feature of the test video stream based on distortion at block-boundaries in the image frames of the test video stream; measuring a distortion-invisibility feature of the test video stream based on distortion at pixels of the image frames of the test video stream; and determining a quality rating for the test video stream based on the content richness fidelity feature, the block-fidelity feature and the distortion-invisibility feature measured.