Apparatus and method for extracting artificial images and...

Details Apparatus and method for extracting artificial images and... Apparatus and method for extracting artificial images and...

2006-11-14

2006-11-14

Tran, Phuoc (Department: 2624)

Image analysis

Pattern recognition

Feature extraction

C382S199000, C382S168000

Reexamination Certificate

active

07136527

ABSTRACT:
A motion information output portion acquires horizontal motion information concerning a line where the telop is present. From a signal of the current frame and motion-compensated signal components of frames which are present before and after the current frame. A decision information acquisition portion and a binarizing processing portion obtains a flag indicating whether each pixel of a screen is pixel at edge position of the telop. Based on this flag, an edge pixel extraction portion extracts pixel data of the edge position. A histogram processing portion uses this pixel data as a material to create a histogram for each item of data, thereby determining values of the pixel data corresponding to the telop from a class having a largest frequency. An extraction region selection portion obtains another flag indicating a line where the telop is present. An extraction portion extracts pixel data corresponding to the telop.

REFERENCES:
patent: 6366699 (2002-04-01), Kuwano et al.
patent: 6804397 (2004-10-01), Kaneko et al.
patent: 2002/0047935 (2002-04-01), Kondo et al.
patent: 2002-84458 (2002-03-01), None
patent: 2003-189264 (2003-07-01), None
patent: 2003-271970 (2003-09-01), None

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