Image processing apparatus and method, and storage medium
AssigneeCanon Kabushiki Kaisha
InventorsTomochika Murakami, Keiichi Iwamura, Yoshihiro Ishida, Hiromitsu Nishikawa
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Abstract
An image processing apparatus and method for deriving a digital watermark embedded in an image is provided which has a recognizing unit for recognizing a predetermined characteristic area in the image and a deriving unit for extracting the digital watermark from the image data in the recognized characteristic area.
Claims39
An image processing apparatus comprising:
- means for forming a predetermined characteristic area in an image;
- and
- embedding means for embedding a digital watermark in the characteristic area.
An image processing method comprising the steps of:
- forming a predetermined characteristic area in an image;
- and
- embedding a digital watermark in the characteristic area.
An image processing apparatus comprising:
- input means for inputting an image from an input image in a band area having a predetermined size as image data;
- area recognizing means for recognizing a predetermined characteristic area from the image data of the band area;
- digital watermark data extracting means for extracting digital watermark data from the image data in the characteristic area recognized by said area recognizing means;
- and
- processing means for processing the image data corresponding to the image, in accordance with a extracting result of the digital watermark data.
An image processing method comprising the steps of:
- inputting an image from an input image in a band area having a predetermined size as image data;
- recognizing a predetermined characteristic area from the image data of the band area;
- extracting digital watermark data from the image data in the recognized characteristic area;
- and
- processing the image data corresponding to the image, in accordance with a extracting result of the digital watermark data.
A storage medium storing a program for realizing an image processing method, the program comprising the steps of:
- forming a predetermined characteristic area in an image;
- and
- embedding a digital watermark in the characteristic area.
A storage medium storing a program realizing an image processing method, the program comprising the steps of:
- inputting an image from an input image in a band area having a predetermined size as image data;
- recognizing a predetermined characteristic area from the image data of the band area;
- extracting digital watermark data from the image data in the recognized characteristic area;
- and
- processing the image data corresponding to the image, in accordance with a extracting result of the digital watermark data.
An image processing apparatus for recognizing a copy inhibited image by executing a program, the apparatus comprising:
- input means for inputting image data of an image;
- means for determining a characteristic detection object area from the image data input by said input means;
- detecting means for detecting a characteristic for recognizing the copy inhibited image from the image data of the image in the characteristic detection object area determined by said determining means;
- and
- output means for outputting a signal representative of a detection result by said detecting means.
An image processing method for recognizing a copy inhibited image by executing a program, the method comprising the steps of:
- inputting image data of an image;
- determining a characteristic detection object area from the input image data;
- detecting a characteristic for recognizing the copy inhibited image from the image data of the image in the determined characteristic detection object area;
- and
- outputting a signal representative of a detection result.
A storage medium storing a program for realizing an image processing method for recognizing a copy inhibited image by executing a program, the program comprising the steps of:
- inputting image data of an image;
- determining a characteristic detection object area from the input image data;
- detecting a characteristic for recognizing the copy inhibited image from the image data of the image in the determined characteristic detection object area;
- and
- outputting a signal representative of a detection result.
An image processing apparatus for extracting a digital watermark from an image with the digital watermark embedded in a predetermined characteristic area of the image, the apparatus comprising:
- input means for inputting image data of the image;
- recognizing means for recognizing the predetermined characteristic area in the image;
- and
- extracting means for extracting the digital watermark from the image data in the recognized characteristic area.
An image processing method for extracting a digital watermark from an image with the digital watermark embedded in a predetermined characteristic area of the image, the method comprising the steps of:
- inputting image data of the image;
- recognizing the predetermined characteristic area in the image;
- and
- extracting the digital watermark from the image data in the recognized characteristic area.
A storage medium storing a program for an image processing method for extracting a digital watermark from an image with the digital watermark embedded in a predetermined characteristic area of the image, the program comprising the steps of:
- inputting image data of the image;
- recognizing the predetermined characteristic area in the image;
- and
- extracting the digital watermark from the image data in the recognized characteristic area.
Dependencies are inferred from the claim text.