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Title:
METHOD AND COMPUTER SYSTEM FOR CHECKING FILE-MAKING TIME BY COMPUTER
Document Type and Number:
WIPO Patent Application WO/2010/121504
Kind Code:
A1
Abstract:
The invention discloses a method and a computer system for checking file-making time by a computer, and the method includes: a scanner TWAIN protocol interface is invoked to acquire original color data of a file to be checked and a sample file, and the making time of the sample file is known; the color sampling points in the original color data of the file to be checked are collected, and color index data of the file to be checked is calculated; the color sampling points in the original color data of the sample file are collected, and the color index data of the sample file is calculated; the color index data of the file to be checked is compared with the color index data of the sample file, and the making time of the file to be checked is determined according to the known making time of the sample file. The invention can, on the premise that the checked material is not destroyed, acquire the original color data of the file to be checked or the sample file via the computer, implement statistical analysis after implementing the collection of the sampling points in the original color data, and eventually obtain the making time of the file to be checked.

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Inventors:
XU DAIHUA (CN)
ZHANG HAISHAN (CN)
GUAN YANJUN (CN)
Application Number:
PCT/CN2010/070547
Publication Date:
October 28, 2010
Filing Date:
February 05, 2010
Export Citation:
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Assignee:
GUANGDONG NANTIAN JUDICIAL APP (CN)
XU DAIHUA (CN)
ZHANG HAISHAN (CN)
GUAN YANJUN (CN)
International Classes:
G01N21/84
Foreign References:
CN101162508A2008-04-16
CN101059496A2007-10-24
JP2007114674A2007-05-10
CN101532964A2009-09-16
Other References:
See also references of EP 2275803A4
None
Attorney, Agent or Firm:
GUANGZHOU SCIHEAD PATENT AGENT CO., LTD. (Huihua Commercial & Trade BuildingNo. 80, XianLie Zhong Road, Yuexi, Guangzhou Guangdong 0, CN)
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