Patent · US Active

Embedded image quality stamps

US8233728B2 · kind B2 · utility

1Cited by

3References

24Claims

0Family size

Assignee

Cisco Technology, Inc. · US

Inventors

Dave M. Singhal · San Jose, US
Wen-hsiung Chen · Sunnyvale, US
Dihong Tian · San Jose, US

Key dates

Filing date	Nov 7, 2008
Grant date	Jul 31, 2012
Priority date	—
Expiry date	Jun 1, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04N19/33
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

In an image generation and rendering system, a quality stamp indicative of image fidelity is embedded in image data units resulting from image data compression/encoding. At decoding, the image quality stamp is captured and when the decoded image is rendered, a fidelity indicator is displayed along with the image.

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