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US 6,647,125 B2Granted
Image processing apparatus, method and recording medium therefor
AssigneeCanon Kabushiki Kaisha
InventorsKentaro Matsumoto, Hirokazu Uchio
Life of this patent
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Abstract
An image processing apparatus comprising a divider for dividing an input image into plural areas, a controller for controlling a storage format of image data representing the input image in a unit of a divided area, a converter for converting the image data into the storage format, and an adder for adding predetermined information to the input image in the unit of the area. The controlling performed by the controller includes controlling whether or not the image data is compressed.
Claims8
An image processing method comprising:
- a generating step, of generating first image data necessary for representing a first resolution and second image data necessary for representing a second resolution, the first resolution being lower than the second resolution, wherein said first image data and said second image data representing the same image;
- a first embedding step, of embedding first kind of watermark-information in at least a part of the first image data;
- and
- a second embedding step, of embedding the first kind of watermark-information in at least a part of the second image data and embedding second kind of watermark-information in another part of the second image data,
- wherein, the second kind of watermark-information is not embedded in the first image data.
2 more elements
An image processing method comprising:
- a generating step, of generating first image data necessary for representing a first resolution and second image data necessary for representing a second resolution, the first resolution being lower than the second resolution, wherein said first image data and said second image data representing the same image;
- a dividing step, of dividing each of the first and second image data into plural tiles;
- encoding step, of performing encoding in regard to each tile;
- a first embedding step, of embedding first kind of watermark-information in at least a part of the tile of the first image data;
- and
- a second embedding step, of embedding the first kind of watermark-information in at least a part of the tiles of the second image data and embedding second kind of watermark-information in another part of the tiles of the second image data,
- wherein the second kind of watermark-information is not embedded in each tile belonging to the first image data.
4 more elements
An image processing apparatus comprising:
- a generating unit adapted to generate first image data necessary for representing a first resolution and second image data necessary for representing a second resolution, the first resolution being lower than the second resolution, wherein said first image data and said second image data representing the same image;
- a first embedding unit adapted to embed first kind of watermark-information in at least a part of the tile of the first image data;
- and
- a second embedding unit adapted to embed first kind of watermark-information in at least a part of the second image data and embed second kind of watermark-information in another part of the second image data,
- wherein the second kind of watermark-information is not embedded in the first image data.
2 more elements
Dependencies are inferred from the claim text.