Image analysis – Image compression or coding – Including details of decompression
Reexamination Certificate
2004-11-16
2009-10-20
Dang, Duy M (Department: 2624)
Image analysis
Image compression or coding
Including details of decompression
C382S232000, C382S250000
Reexamination Certificate
active
07606432
ABSTRACT:
Apparatus and method for providing thumbnail image data on a mobile terminal are provided. The apparatus and method comprise determining whether an image management mode is selected when the mobile terminal is in a standby mode; analyzing bit streams of a plurality of stored actual images to obtain picture sizes and compression ratios of the actual images upon selection of the image management mode; extracting Discrete Cosine Transform (DCT) coefficients at certain blocks of the bit streams of the actual images based on the obtained picture sizes and compression ratios; and partially decoding the extracted DCT coefficients, reducing the partially decoded DCT coefficients at a predetermined rate for generating thumbnail images of the plurality of actual images and displaying the generated thumbnail images.
REFERENCES:
patent: 6233359 (2001-05-01), Ratnakar et al.
patent: 98-65864 (1998-10-01), None
Kim Kang-wook
Son Jae-Gon
Dang Duy M
Roylance Abrams Berdo & Goodman L.L.P.
Samsung Electronics Co,. Ltd.
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