IMAGE DIFFERENCE DETECTION METHOD AND APPARATUS, SCENE CHANGE DETECTION METHOD AND APPARATUS, AND IMAGE DIFFERENCE VALUE DETECTION METHOD AND APPARATUS

IMAGE DIFFERENCE DETECTION METHOD AND APPARATUS, SCENE CHANGE DETECTION METHOD AND APPARATUS, AND IMAGE DIFFERENCE VALUE DETECTION METHOD AND APPARATUS

There are provided steps of extracting parts of two image data as areas for analysis (S702, S704) and an image difference detection step (S707) of detecting an image difference between the two images, based on a difference in image characteristic values of the regions for analysis; the regions for a...

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Bibliographische Detailangaben
1. Verfasser: KUSUNOKI YOSHIAKI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:There are provided steps of extracting parts of two image data as areas for analysis (S702, S704) and an image difference detection step (S707) of detecting an image difference between the two images, based on a difference in image characteristic values of the regions for analysis; the regions for analysis in the two image data have identical size. If no image difference is detected, the region extraction steps may expand the regions for analysis (S707) by adding part or all of the image data that was not previously included in the regions for analysis (S704). Scene changes can be done rapidly in images and video.