Image analysis – Image enhancement or restoration – Intensity – brightness – contrast – or shading correction
Reexamination Certificate
2006-05-09
2006-05-09
Patel, Kanjibhai (Department: 2625)
Image analysis
Image enhancement or restoration
Intensity, brightness, contrast, or shading correction
C348S631000, C348S645000, C348S673000, C348S683000, C348S699000, C348S910000
Reexamination Certificate
active
07043093
ABSTRACT:
At first, average brightness of each of frames of a moving image is calculated by a computer. Following that, a moving average along a time axis is calculated for each of the frames so that moving average brightness is generated as a reference data of brightness. Next, difference data between the average brightness and the moving average brightness are generated. Further, the difference data are grouped based on the signs of the reference data. Then, on the basis of the grouped difference data, it is judged whether an unwanted change of brightness is present. Thus, it is automatically and precisely judged whether the unwanted change of brightness such as a flicker is present in the moving image.
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Minolta Co. , Ltd.
Morrison & Foerster / LLP
Patel Kanjibhai
Seth Manav
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