Facsimile and static presentation processing – Facsimile – Facsimile measuring – testing – or calibrating
Patent
1994-01-07
1996-06-11
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Facsimile measuring, testing, or calibrating
358426, 358444, H04N 100, H04N 140
Patent
active
055261370
ABSTRACT:
A method of diagnosing an image processing system. In the method, predetermined diagnosis data of a compressed form is stored into a first page of a page buffer capable of storing image data of at least two pages. The diagnosis data of the compressed form read out of a memory area of the first page is expanded into restored diagnosis image data. The restored diagnosis image data is stored into a second page of the page buffer. The restored diagnosis image data is subjected to rotation processing by a rotation processor and the processed diagnosis image data is stored into the memory area of the first page. The processed diagnosis image data read out of the first page memory area is compressed by a compressor and the compressed image data is stored into the second page memory area. The result of the rotation processing is diagnosed by comparing the diagnosis data of the compressed form read out of the second page memory area with test data of the compressed form that is previously prepared.
REFERENCES:
patent: 5157782 (1992-10-01), Tuttle et al.
patent: 5175633 (1992-12-01), Saito et al.
patent: 5301036 (1994-04-01), Barret et al.
Coles Sr. Edward L.
Fuji 'Xerox Co., Ltd.
Lee Fan
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