Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-02-21
2006-02-21
Philippe, Gims (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C382S107000
Reexamination Certificate
active
07003037
ABSTRACT:
A process for evaluating the quality of coded images (e.g., two video sequences) uses a homogeneous motion vector field and psychovisual filtering to take into account Human Visual System (HVS) characteristics to calculate the error between the two video sequences.
REFERENCES:
patent: 4984076 (1991-01-01), Watanabe et al.
patent: 5128756 (1992-07-01), Johnston et al.
patent: 5574500 (1996-11-01), Hamada et al.
patent: 5701163 (1997-12-01), Richards et al.
patent: 5734737 (1998-03-01), Chang et al.
patent: 5748761 (1998-05-01), Chang et al.
patent: 5764813 (1998-06-01), Murayama et al.
patent: 5937097 (1999-08-01), Lennon
patent: 5991458 (1999-11-01), Kunitake et al.
patent: 6236756 (2001-05-01), Kimura et al.
patent: 6271825 (2001-08-01), Greene et al.
patent: 6674911 (2004-01-01), Pearlman et al.
patent: 6735253 (2004-05-01), Chang et al.
Stefan J.P. Westen et al.,A Quality Measure for Compressed Image Sequences Based on an Eye-Movement Compensated Spatio-Temporal Model, Oct. 1997, IEEE, pp. 279-282, The Netherlands.
Tsuhan Chen,Elimination of Subband-Coding Artifacts Using the Dithering Technique, Nov. 1994, IEEE, pp. 874-877, AT&T Bell Labs, USA.
Bordes Philippe
Guillotel Philippe
Kurdyle Ronald H.
Opalach Joseph J.
Philippe Gims
Thomson Licensing
Tripoli Joseph S.
LandOfFree
Process, device and use for evaluating coded images does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process, device and use for evaluating coded images, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process, device and use for evaluating coded images will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3692940