Image analysis – Image compression or coding – Transform coding
Reexamination Certificate
2008-04-08
2008-04-08
Wu, Jingge (Department: 2624)
Image analysis
Image compression or coding
Transform coding
C382S232000, C382S239000, C375S240200, C375S240020
Reexamination Certificate
active
10724102
ABSTRACT:
In an image encoder is provided, including a to-be-encoded object prediction unit which counts quantization coefficients which are newly made significant, for example, when each bit plane is encoded, on the basis of quantization coefficient for each bit plane in all code blocks to provide a feature amount, estimates the number of generated codes on the basis of the feature amount, and adds the estimated number of codes in a predetermined order. When an initial target number of codes is reached, the to-be-encoded object prediction unit stops the addition, and supplies the entropy encoder with information on the bit planes having the quantization coefficients thereof been added as to-be-encoded object information. In this entropy encoder, only the quantization coefficient in the bit planes represented by the to-be-encoded object information, is processed by three types of encoding passes while truncating the quantization coefficients of the other bit planes.
REFERENCES:
patent: 5926222 (1999-07-01), Nickerson
patent: 6356665 (2002-03-01), Lei et al.
patent: 6876700 (2005-04-01), Sugahara
patent: 2004/0252893 (2004-12-01), Togashi
patent: 11-225335 (1999-08-01), None
patent: 2002-165098 (2002-06-01), None
patent: 2003-032680 (2003-01-01), None
patent: 2004-064104 (2004-02-01), None
U.S. Appl. No. 10/691,650, filed Oct. 24, 2003, Fukuhara et al.
U.S. Appl. No. 10/724,102, filed Dec. 1, 2003, Hosaka et al.
U.S. Appl. No. 10/724,102, filed Dec. 1, 2003, Hosaka et al.
U.S. Appl. No. 10/933,274, filed Sep. 3, 2004, Fukuhara et al.
Fukuhara Takahiro
Hosaka Kazuhisa
Motsinger Sean
Wu Jingge
LandOfFree
Image encoding apparatus and method, program and recording... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image encoding apparatus and method, program and recording..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image encoding apparatus and method, program and recording... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3935193