Video stream processing apparatus and video stream...

Details Video stream processing apparatus and video stream... Video stream processing apparatus and video stream...

2004-09-02

2008-01-29

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

Reexamination Certificate

active

07324738

ABSTRACT:
An image-quality control information adding section13reads image-quality control information corresponding to a type of an input video stream101from an image-quality control information storage section12, and then adds the read image-quality control information to the video stream101. A recording section43records a video stream104with the image-quality control information added thereto. An image-quality control information extracting section22extracts a video profile202from the video stream201read from the recording section43. Based on the video stream after the video profile202is extracted, a decoding section23obtains a video signal205. An image quality adjusting section24adjusts the characteristic of the video signal205based on the video profile202, and then outputs the adjustment results as a video signal206after image quality adjustment.

REFERENCES:
patent: 5377051 (1994-12-01), Lane et al.
patent: 6694092 (2004-02-01), Hayashi
patent: 2000-132949 (2000-05-01), None

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