Method and apparatus detecting alteration in image, and computer product
OwnerYoko Sugiura, Masafumi Hamatakeinventors
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Abstract
An apparatus for detecting an alteration in an image includes an alteration detecting unit that detects the alteration in the image based on an electronic watermark embedded in the image, and an output processing unit that outputs the image, when no alteration is detected in the image.
Claims38
An apparatus for detecting an alteration in an image, the apparatus comprising:
- an alteration detecting unit that detects the alteration in the image based on an electronic watermark embedded in the image;
- and
- an output processing unit that outputs the image, when no alteration is detected in the image.
An apparatus for detecting an alteration in an image, the apparatus comprising:
- an alteration detecting unit that detects the alteration in a predetermined area of the image based on an electronic watermark embedded in the predetermined area;
- and
- a revision processing unit that performs a predetermined revision process on an area image indicating the predetermined area, when the alteration is detected in the predetermined area.
A method of detecting an alteration in an image, the method comprising:
- detecting the alteration in the image based on an electronic watermark embedded in the image;
- and
- outputting the image, when no alteration is detected in the image.
A method of detecting an alteration in an image, the method comprising:
- detecting the alteration in a predetermined area of the image based on an electronic watermark embedded in the predetermined area;
- and
- performing a predetermined revision process on an area image indicating the predetermined area, when the alteration is detected in the predetermined area.
A computer-readable recording medium that stores a computer program for detecting an alteration in an image, wherein the computer program causes a computer to execute
- detecting the alteration in the image based on an electronic watermark embedded in the image;
- and
- outputting the image, when no alteration is detected in the image.
A computer-readable recording medium that stores a computer program for detecting an alteration in an image, wherein the computer program causes a computer to execute
- detecting the alteration in a predetermined area of the image based on an electronic watermark embedded in the predetermined area;
- and
- performing a predetermined revision process on an area image indicating the predetermined area, when the alteration is detected in the predetermined area.
Dependencies are inferred from the claim text.