Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2005-04-05
2005-04-05
Kelley, Chris (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240130
Reexamination Certificate
active
06876701
ABSTRACT:
An apparatus for detecting a moving object in motion video comprises a macro-block determining section for determining the background
on-background of each macro-block of a reconstructed video signal from a video decoder section which decodes encoded data obtained by compression-encoding a motion video signal, a moving object determining section for determining an area of the moving object from the result of the determination on the background
on-background, and a moving object combination display for displaying information indicating the area of the moving object on a display screen for the reconstructed video signal. The macro-block determining section determines if a macro-block represents a background area or a non-background area, based on mode information from the video decoder section and a cross correlation value between a present frame of the reconstructed video signal and a signal of a frame preceding the present frame by one frame, obtained by a first cross correlation calculator, and a cross correlation value between the present frame of the reconstructed video signal and a background video signal stored in a background memory, obtained by a second cross correlation calculator.
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Chujoh Takeshi
Hayashi Toshifumi
Kikuchi Yoshihiro
Kobayashi Hiroyuki
Sakuma Akira
Czekaj Dave
Kabushiki Kaisha Toshiba
Kelley Chris
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