Apparatus and method for motion compensation

Details Apparatus and method for motion compensation Apparatus and method for motion compensation

2007-05-22

2007-05-22

Wong, Allen (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010, C375S240120

Reexamination Certificate

active

10321956

ABSTRACT:
An apparatus and method for generating a motion compensated matrix, the method includes the steps of: (i) providing a motion vector and at least one input matrix of DCT coefficients; (ii) selecting at least one conversion transform (CT) and at least one inverse conversion transform (ICT) in response to a content of the motion vector; and (iii) applying the at least one selected ICT and the at least one selected CT to provide a motion compensated matrix.

REFERENCES:
patent: 5708732 (1998-01-01), Merhav et al.
Loeffler, Christoph et. al., “Practical Fast 1-D DCT Algorithms with 11 Multiplications,” Proceedings of ICASSP 1989, pp. 988-991.
Merhav, Neri et. al., “A Fast Algorithm for DCT-Domain Inverse Motion Compensation,” HP Labs Technical Reports, HPL-95-17, 1995, pp. 1-15.
Froitzheim, Dr. K. et. al., “A Knowledge-Based Approach to JPEG Acceleration,” IS&T/SPIE Symposium on Electronic Imaging: Science and Technology, San Jose, USA, Feb. 1995, 13 pgs.

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