Method for motion estimation and bandwidth reduction in...

Details Method for motion estimation and bandwidth reduction in... Method for motion estimation and bandwidth reduction in...

2003-07-04

2008-09-09

Philippe, Gims (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C382S236000

Reexamination Certificate

active

07424056

ABSTRACT:
A device and a method are disclosed for motion estimation and bandwidth reduction in a memory. The device includes a memory for storing a plurality of frame data, a controller connected to the memory, a first motion estimation processor for performing a coarse-tuning operation and a second motion estimation processor for performing a fine-tuning operation. Similarity between a reference frame and a current frame is calculated based on the averages of every two adjacent pixels in the reference macroblocks and current macroblocks. The amount of calculations for determining motion estimation is greatly reduced, and bandwidth in utilizing the memory is accordingly reduced as motion estimation is advantageously achieved.

REFERENCES:
patent: 5576772 (1996-11-01), Kondo
patent: 6011870 (2000-01-01), Jeng et al.
patent: 6442203 (2002-08-01), Demos

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