System for detecting aspect ratio and method thereof

Details System for detecting aspect ratio and method thereof System for detecting aspect ratio and method thereof

2007-03-06

2007-03-06

Hsia, Sherrie (Department: 2622)

Television

Format conversion

Conversion between standards with different aspect ratios

C348S556000

Reexamination Certificate

active

10317297

ABSTRACT:
Video is received at a standard aspect ratio. The video includes video content having an alternate aspect ratio. The video content is provided in a letterboxed format with black bars to make up the standard aspect ratio. The video is analyzed to identify portions of the video related to changing video content. A boundary for the changing video content is identified as the alternate aspect ratio. The alternate aspect ratio is then applied to the video to present the video at the alternate aspect ratio. Extraneous portions of the video, such as the black bars, are then discarded from the video to present the video at the alternate aspect ratio.

REFERENCES:
patent: 6366706 (2002-04-01), Weitbruch
patent: 6714254 (2004-03-01), Enomoto
patent: 755152 (1997-01-01), None

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