Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2003-11-12
2008-10-21
Diep, Nhon T (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
Reexamination Certificate
active
07440502
ABSTRACT:
Methods and systems are disclosed for a video system. In a first exemplary embodiment, the video system comprises a video processing circuit that receives a picture and provides video compression by using an optimal macroblock mode of operation, the optimal macroblock mode of operation being identified by processing at least one macroblock of the picture, the processing being performed independent of other macroblocks contained in the picture. Additionally, the video processing circuit comprises a mode selection circuit that identifies the optimal macroblock mode of operation by using a rate-distortion model. The rate-distortion model incorporates an overall macroblock mode distortion D that is defined as the sum of DACa distortion due to AC coefficients, and DDCa distortion due to DC coefficients.
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Hyungjoon Kim, Nejat Kamaci, Yucel Altunbasak, “Low Complexity Rate-Distortion Optimal Macroblock Mode Selection and Motion Estimation for MPEG-Like Video Coders.”
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Yucel Altunbasak et al; “Low-Complexity Rate-Distortion Optimal Macroblock Mode Selection for MPEG-like Video Coders,” IEEE ICME; p. III-513-III-516; Jul. 2003; Baltimore, MD.
Altunbasak Yucel
Kim Hyungjoon
Diep Nhon T
Georgia Tech Research Corporation
Horstemeyer Scott A.
Thomas Kayden Horstemeyer & Risley LLP
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