An image forming apparatus includes an image processing part performing a correction process and an image forming part respectively forming first and second images on medium. At a boundary of the first and second images, these images have first and second edge portions. When a first image width of the first image data is narrower than a predetermined width, the first image width is defined as a length determined from one portion of the first edge portion, the image processing part performs the correction process by selectively moving one of the first and second edge portions based on a pixel value of the first image. The image processing part obtains a degree of blackness of the first image based on the pixel value. When the degree of blackness is higher than a predetermined value, the image processing part performs the correction process by moving the second edge portion.

An image forming apparatus includes an image processing part performing a correction process and an image forming part respectively forming first and second images on medium. At a boundary of the first and second images, these images have first and second edge portions. When a first image width of the first image data is narrower than a predetermined width, the first image width is defined as a length determined from one portion of the first edge portion, the image processing part performs the correction process by selectively moving one of the first and second edge portions based on a pixel value of the first image. The image processing part obtains a degree of blackness of the first image based on the pixel value. When the degree of blackness is higher than a predetermined value, the image processing part performs the correction process by moving the second edge portion.

Provided is a magnetic tape in which ferromagnetic powder included in a magnetic layer is ferromagnetic hexagonal ferrite powder having an activation volume equal to or smaller than 1,600 nm.sup.3, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and an abrasive, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %, and a tilt cos θ of the ferromagnetic hexagonal ferrite powder with respect to the surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 1.00.

An image processing apparatus includes an image-data acquiring unit, a character recognition processing unit, and a monochrome conversion unit. The image-data acquiring unit acquires image data representing an image including a character. The character recognition processing unit performs a character recognition process on the image data to extract a character region. The character region is a region where the character is represented. The monochrome conversion unit converts the image data into monochrome image data when the image data is color image data including a color image. The monochrome image data includes a monochrome image representing the color image with a single color. When a tone difference between the extracted character region and an adjacent region is smaller than a predetermined threshold, the monochrome conversion unit changes a tone of a boundary region between the character region and the adjacent region adjacent to the character region.

A method of generating a region-based representation of a document is disclosed. A global compositing sequence is generated based on a predetermined rule, using fill data and at least one compositing operation associated with a plurality of objects of the document, to form an object-based representation of the document. The region-based representation of the document is generated based on a further compositing sequence determined for regions formed using the object-based representation. The method also determines whether at least one of the regions satisfies the predetermined rule using a relative arrangement of the objects in the object-based representation. Where the region satisfies the predetermined rule, a reference to the global compositing sequence is created. Where the region does not satisfy the predetermined rule, a local compositing sequence is generated using fill data and compositing operations associated with the objects contributing to the region.

A method of generating a region-based representation of a document is disclosed. A global compositing sequence is generated based on a predetermined rule, using fill data and at least one compositing operation associated with a plurality of objects of the document, to form an object-based representation of the document. The region-based representation of the document is generated based on a further compositing sequence determined for regions formed using the object-based representation. The method also determines whether at least one of the regions satisfies the predetermined rule using a relative arrangement of the objects in the object-based representation. Where the region satisfies the predetermined rule, a reference to the global compositing sequence is created. Where the region does not satisfy the predetermined rule, a local compositing sequence is generated using fill data and compositing operations associated with the objects contributing to the region.

A color image of a target is captured by a color sensor in an imaging reader. A color image processing pipeline processes the captured color image with a plurality of color image processing components to display the image of a target with high fidelity. One or more of the components are bypassed to decode the image of a symbol target to prevent degradation of reader performance.

A color image of a target is captured by a color sensor in an imaging reader. A color image processing pipeline processes the captured color image with a plurality of color image processing components to display the image of a target with high fidelity. One or more of the components are bypassed to decode the image of a symbol target to prevent degradation of reader performance.

An example embodiment may involve obtaining (i) an a×b attribute macro-cell, and (ii) a×b pixel macro-cells for each of a luminance plane, a first color plane, and a second color plane of an input image. The a×b pixel macro-cells may each contain 4 non-overlapping m×n pixel cells. The example embodiment may also involve determining 4 attribute-plane output values that represent the 4 non-overlapping m×n attribute cells, 1 to 4 luminance-plane output values that represent the a×b pixel macro-cell of the luminance plane, a first color-plane output value to represent the a×b pixel macro-cell of the first color plane, and a second color-plane output value to represent the a×b pixel macro-cell of the second color plane. The example embodiment may further involve writing an interleaved representation of the output values to a computer-readable output medium.

An example embodiment may involve obtaining (i) an a×b attribute macro-cell, and (ii) a×b pixel macro-cells for each of a luminance plane, a first color plane, and a second color plane of an input image. The a×b pixel macro-cells may each contain 4 non-overlapping m×n pixel cells. The example embodiment may also involve determining 4 attribute-plane output values that represent the 4 non-overlapping m×n attribute cells, 1 to 4 luminance-plane output values that represent the a×b pixel macro-cell of the luminance plane, a first color-plane output value to represent the a×b pixel macro-cell of the first color plane, and a second color-plane output value to represent the a×b pixel macro-cell of the second color plane. The example embodiment may further involve writing an interleaved representation of the output values to a computer-readable output medium.