Video quality adaptation based upon scenery

Details Video quality adaptation based upon scenery Video quality adaptation based upon scenery

2008-09-24

2011-12-27

Jung, David Y (Department: 2431)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240240, C375S240010

Reexamination Certificate

active

08085855

ABSTRACT:
Operating on video frames includes determining a frame set backdrop of a set of video frames that is a characterization of the relative difference in content of the set of video frames. Decreasing video quality of the set of video frames when the frame set backdrop is relatively higher indicating relatively greater content difference among video frames of the set of video frames and increasing/leaving quality of the set of video frames when the frame set backdrop is relatively lower indicating relatively lesser content difference among video frames of the set of video frames. Alteration of video quality of the set of video frames includes altering a frame rate, altering a pixel resolution, and/or altering color resolution of the set of video frames and/or altering a ratio of independent frames to predictive frames of the set of frames.

REFERENCES:
Quality measure based approaches to MPEG encoding; Fu-Huei Lin; Mersereau, R.M.; Image Processing, 1996. Proceedings., International Conference on Volume: 3; Publication Year: 1996, pp: 323-326 vol. 3.
A Convolutional Neural Network Approach for Objective Video Quality Assessment; Le Callet, P.; Viard-Gaudin, C.; Barba, D.; Neural Networks, IEEE Transactions on; vol. 17, Issue: 5 ; Publication Year: 2006, pp: 1316-1327.
Dual frame motion compensation with uneven quality assignment; Vijay Chellappa; Cosman, P.C.; Voelker, G.M.; Data Compression Conference, 2004. Proceedings. DCC 2004; Publication Year: 2004, pp: 262-271.

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