Image analysis – Image compression or coding
Reexamination Certificate
2006-01-31
2006-01-31
Lee, Thomas D. (Department: 2624)
Image analysis
Image compression or coding
C382S309000, C358S406000
Reexamination Certificate
active
06993194
ABSTRACT:
A method and apparatus used to detect errors in image reading simply and quickly. Information derived from image data (such as the amount of data and a compression ratio) after compression is compared with reference values previously determined in connection with errors in image reading, and the existence of errors in image reading is determined. When the data size is used, it is judged that there is an error in image reading when the data size after compression is smaller than the reference value previously determined. When the compression ratio of the image data is used, it is judged that there is an error of image reading in the case where the compression ratio is larger than the reference value previously determined.
REFERENCES:
patent: 5048104 (1991-09-01), D'Aoust et al.
patent: 5406428 (1995-04-01), Suzuki
patent: 5832126 (1998-11-01), Tanaka
patent: 6606415 (2003-08-01), Rao
Morris, Esq. Daniel P.
Perman & Green, LLP.
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