Image processing apparatus and method
AssigneeCanon Kabushiki Kaisha
InventorYasuhiro Ito
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Abstract
An image processing apparatus controls a formation of dots in a recording element configured to perform scanning on a sheet-like recording medium to form dots of different colors on a surface of the recording medium. The image processing apparatus makes a constraint according to cyan and magenta constraint information applied to a same scanning operation stronger than a constraint according to cyan and magenta constraint information applied to mutually adjacent scanning operations.
Claims7
An image processing apparatus for controlling a formation of dots in a recording element configured to perform scanning on a sheet-like recording medium to form dots of different colors on a surface of the recording medium, the image processing apparatus comprising:
- a constraint information generation unit configured to generate constraint information indicating a constraint for preventing the dots of different colors from being positioned mutually close individually for each color;
- and
- a dot pattern generation unit configured to perform N-valuing processing (N is an integer equal to or greater than 2) on input image data, based on the constraint information generated by the constraint information generation unit, to generate a dot pattern individually for each color for forming an image based on the image data on the surface of the recording medium,
- wherein the constraint information generation unit generates the constraint information in such a way as to make the constraint applied to a same scanning operation performed by the recording element stronger than the constraint applied to mutually adjacent scanning operations performed by the recording element.
An image processing method for controlling a formation of dots in a recording element configured to perform scanning on a sheet-like recording medium to individually form dots of different colors on a surface of the recording medium, the image processing method comprising:
- generating constraint information indicating a constraint for preventing the dots of different colors from being positioned mutually close individually for each color;
- performing N-valuing processing (N is an integer equal to or greater than 2) on input image data, based on the generated constraint information, to generate a dot pattern individually for each color for forming an image based on the image data on the surface of the recording medium;
- and
- generating the constraint information in such a way as to make the constraint applied to a same scanning operation performed by the recording element stronger than the constraint applied to mutually adjacent scanning operations performed by the recording element.
Dependencies are inferred from the claim text.