Methods and systems for efficient video compression by...

Details Methods and systems for efficient video compression by... Methods and systems for efficient video compression by...

2006-07-11

2006-07-11

Wong, Allen (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010

Reexamination Certificate

active

07075985

ABSTRACT:
Methods and systems for efficient video compression by recording various state signals of cameras. In accordance with the teaching of the present invention, a video camera with means to record the movement, zooming state, focus state, and aperture state of the video camera is provided. The luminous intensity, camera identification number and frame index are also recorded. These various state signals are recorded along with video and audio signals on recording media, such as magnetic tapes, memory cards, and hard drives in a predetermined data format. Additionally, video compression algorithms, which utilize such state signals to predict the current frame from previous reconstructed images, are provided. In particular, the information on the various states of the video camera is useful in obtaining accurate motion compensated images.

REFERENCES:
patent: 5272527 (1993-12-01), Watanabe
patent: 5612735 (1997-03-01), Haskell et al.
patent: 5926209 (1999-07-01), Glatt

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