The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 23, 2010

Filed:

Dec. 03, 2002
Applicants:

Naoto Takeda, Kyoto, JP;

Masamichi Taniguchi, Okayama, JP;

Kunio Taniguchi, Okayama, JP;

Kiyotaka Yamamoto, Kyoto, JP;

Inventors:

Naoto Takeda, Kyoto, JP;

Masamichi Taniguchi, Okayama, JP;

Kunio Taniguchi, Okayama, JP;

Kiyotaka Yamamoto, Kyoto, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2006.01);
U.S. Cl.
CPC ...
Abstract

A digital data false alteration detection program causes a computer to execute (a) a step (S) of dividing digital data into a plurality of smaller block data, (b) a step (S) of extracting noise inherent to a digital data acquisition device for each of the small block data, (c) a step (S) of calculating correlation of the noise between adjacent small block data, and (d) a step (S) of detecting small block data having noise correlation lower than a level predetermined for the surrounding small block data, as falsely altered data.


Find Patent Forward Citations

Takeda, Naoto. (2010). Digital data false alteration detection program and digital data false alteration detection apparatus (U.S. Patent No. 7840007). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7840007

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…