Abstract: An image processing apparatus has a determination unit that determines a print operation to be performed and a generation unit that generates quantized data for printing a dot by comparing a threshold value and the multi-valued data. In a case of performing a first print operation, dot arrangement of the multiple types of inks printed on the print medium by the print unit on a basis of pieces of quantized data generated by the generation unit is higher in exclusiveness and dispersibility between or among dots of the multiple types of inks and lower in an overlap rate between or among the dots of the multiple types of inks than dot arrangement of the multiple types of inks printed on the print medium by the print unit on a basis of the pieces of quantized data generated by the generation unit in the case of performing the second print operation.

Abstract: An image processing apparatus sets a threshold value matrix for each of multiple color materials, and uses the set threshold value matrix to acquire a first threshold value. On the other hand, the image processing apparatus sets reference data on the basis of multivalued data of that color material. Then, the image processing apparatus calculates a second threshold value matrix by performing a predetermined process on the first threshold value on the basis of the reference data for that color material. Further, by comparing the second threshold value with the multivalued data, quantization data for printing a dot is generated. When doing this, the threshold value matrix and the reference data for that color material are set so as to make the graininess of a dot pattern of that color material lower than the graininess of a mixed color dot pattern obtained by mixing dot patterns of the respective multiple color materials.

Abstract: In color separation processing by a method that combines a multidimensional LUT and interpolation processing, smooth gradation is implemented by reducing errors accompanying interpolation processing. An image processing apparatus includes a color separation processing unit configured to perform, by interpolation processing using a lookup table having a plurality of dimensions in accordance with signal components of an input image, color separation of an input value that is each pixel value of the input image into an output value corresponding to each of signal components handled by an output device, and each grid point of the lookup table is associated with information representing change characteristics at each portion between adjacent grid points for each dimension of the plurality of dimensions, and in the color separation processing, the interpolation processing is performed based on the information representing the change characteristics.

Abstract: A printing apparatus uses a printing unit on which a right and a left printing heads are mutually arranged in opposite orientations in a predetermined direction to execute multi-pass printing.

Abstract: A recording apparatus acquires residual amounts of respective tanks and determines a recording area of one recording head and a recording area of another recording head from among the two recording heads based on the acquisition result, so as to reduce a difference between residual amounts of ink within the tanks corresponding to the respective recording heads.

Abstract: Quantization is performed on multi-valued data corresponding to a non-overlap recording area and one of recording heads on the basis of a dither pattern and multi-valued data corresponding to the non-overlap recording area and the other one of the recording heads, and also arrangements of thresholds for the dither patterns used between the scanning operations are varied.

Abstract: An image processing apparatus sets a threshold value matrix for each of multiple color materials, and uses the set threshold value matrix to acquire a first threshold value. On the other hand, the image processing apparatus sets reference data on the basis of multivalued data of that color material. Then, the image processing apparatus calculates a second threshold value matrix by performing a predetermined process on the first threshold value on the basis of the reference data for that color material. Further, by comparing the second threshold value with the multivalued data, quantization data for printing a dot is generated. When doing this, the threshold value matrix and the reference data for that color material are set so as to make the graininess of a dot pattern of that color material lower than the graininess of a mixed color dot pattern obtained by mixing dot patterns of the respective multiple color materials.

Abstract: The positions and widths of a shared printing area and the gradients of printing ratios are made different between front surface printing and back surface printing.

Abstract: An image processing apparatus sets a threshold value matrix for each of multiple color materials, and uses the set threshold value matrix to acquire a first threshold value. On the other hand, the image processing apparatus sets reference data on the basis of multivalued data of that color material. Then, the image processing apparatus calculates a second threshold value matrix by performing a predetermined process on the first threshold value on the basis of the reference data for that color material. Further, by comparing the second threshold value with the multivalued data, quantization data for printing a dot is generated. When doing this, the threshold value matrix and the reference data for that color material are set so as to make the graininess of a dot pattern of that color material lower than the graininess of a mixed color dot pattern obtained by mixing dot patterns of the respective multiple color materials.

Abstract: Disclosed is an image processing apparatus including: a sharpness recovery unit configured to recover sharpness of an input image; a correlation determination unit configured to determine a correlation between a target pixel and peripheral pixels of the input image; a noise removal unit configured to perform smoothing of the target pixel determined as having a correlation with the peripheral pixels in a recovered image output from the sharpness recovery unit; and a switching unit configured to switch between a mode in which the correlation determination unit uses the target pixel and the peripheral pixels of the pre-recovery input image in the correlation determination and a mode in which the correlation determination unit uses the target pixel and the peripheral pixels of the recovered input image in the correlation determination, depending on recovery characteristics used in the determination of the correlation determination unit.

Abstract: A printing apparatus includes a carriage that can load multiple types of print heads, and is configured to print an image by causing the carriage to scan a printing sheet. In a case where the print head loaded on the carriage corresponds to a first head configuration, a first printing service using a first identifier to identify the printing apparatus is provided to a host device. In a case where the print head loaded on the carriage corresponds to a second head configuration being different from the first head configuration, a second printing service using a second identifier being different from the first identifier is provided to the host device.

Abstract: A system comprises: an obtaining unit that obtains predetermined information relating to amount of printing materials for a tank attached to a printing apparatus; and a determining unit that determines an interchangeable tank to be provided from a plurality of types of interchangeable tanks based on the predetermined information, wherein the plurality of types of interchangeable tanks include a first tank and a second tank, the first tank contains printing materials of at least two colors, with a ratio of amounts of the printing materials of the at least two colors being a first constituent ratio, and the second tank contains printing materials of at least the same two colors as those in the first tank, with a ratio of amounts of the printing materials of at least the two colors being a second constituent ratio different from the first constituent ratio.

Abstract: A printing apparatus including a plurality of printing units along one guide can read test patterns printed with a plurality of types of conveying amount of a recording medium and determine a conveying amount based on the reading result.

Abstract: An image processing apparatus performs quantization processing of first multivalued image data, second multivalued image data, and third multivalued image data using a dither pattern including a plurality of threshold pixels having threshold values respectively determined for quantization, generates first recording data by quantizing the first multivalued image data using a dither pattern having a threshold pixel arrangement satisfying a predetermined condition regarding the number of threshold pixels and a predetermined condition regarding low-frequency components corresponding to a frequency region lower than a predetermined frequency in spatial frequency characteristics corresponding to an arrangement of the threshold pixels, generates second recording data by quantizing the second multivalued image data using the dither pattern having the threshold pixel arrangement, and generates third recording data by quantizing the third multivalued image data using the dither pattern having the threshold pixel arrang

Abstract: An apparatus includes at least one processor configured to function as a dividing unit configured to divide at least part of an image, which is obtained by reading an original using a scanning device, into a plurality of processing blocks, a determination unit configured to determine an attribute value that specifies a processing content of one or more pixels in each processing block, of the plurality of processing blocks, divided by the dividing unit, in accordance with a coordinate in the original to which each processing block, of the plurality of processing blocks, corresponds, and an image processing unit configured to execute an image process to correct an input pixel value of a pixel in image data that represents the image and to output the corrected pixel value of the pixel, based on the attribute value determined by the determination unit.

Abstract: An image processing apparatus that generates a halftone image by quantizing an input image includes: a holding unit configured to hold a threshold value matrix in which different threshold values are arranged; a pixel position determination unit configured to determine a candidate of a pixel position whose threshold value is to be rewritten based on each pixel value of a plurality of pixels included in a predetermined area for the predetermined area in the input image; and a threshold value determination unit configured to determine a threshold value of the pixel position determined to be the candidate by using at least one threshold value of a plurality of threshold values corresponding to the predetermined area.

Abstract: An image processing apparatus converts multi-valued data into multi-valued quantized data having fewer levels than the multi-valued data. The apparatus includes an acquisition unit that acquires threshold values, a provisional quantization unit that sets a provisional quantized value with respect to the multi-valued data, and a quantization unit that decides a quantized value with respect to the multi-valued data based on a result of comparing comparative multi-valued data for the multi-valued data to the threshold value. The quantization unit decides the quantized value so that in a case where the multi-valued data is the same intermediate value, pixels having the value larger than provisional quantized value increase, pixels having the provisional quantized value do not change in number, and pixels having the value smaller than the provisional quantized value decrease in a designated pixel area as the value of the multi-valued data rises.

Abstract: An image processing apparatus divides an input image into a plurality of band area images, stores the respective band area images in a band memory, and performs image processing. The apparatus comprises: a storage unit configured to store filter coefficients having a two-dimensional reference area of M pixels in a first direction and N pixels in a second direction orthogonal to the first direction; and a spatial filter unit configured to apply, to the band area image stored in the band memory, a spatial filter using the filter coefficients. The filter coefficients are set as the filter coefficients so as to refer to pixels for every K pixels in the second direction, and the spatial filter unit sequentially applies the spatial filter to the band area image K times in the second direction.

Abstract: An image processor, a printing apparatus, and an image processing method are provided that can reduce, when a plurality of types of inks are used to print an image, the color unevenness that is caused by the variation of ejecting characteristics among a pluralities of nozzles. To realize this, for a color formed by overlapping at least two colors of inks, parameters are prepared that are determined so as to reduce the color difference in the printing medium due to the variation of the ejecting characteristic among the respective pluralities of nozzles. During printing, the parameters are used to correct the first color signal owned by the individual pixels to the second color signal.

Abstract: A recording device includes a recording unit, a scanning unit, and a recording control unit. The recording unit includes first and second recording parts each having multiple discharge orifice rows that each have multiple discharge orifices arrayed in a predetermined direction. The first recording part and the second recording part are separated from each other in an intersecting direction that intersects the predetermined direction. The scanning unit performs recording scanning by moving the recording unit. The recording control unit performs recording of a region on the recording medium including one edge of the recording medium by the first recording part alone, recording of another region including the other edge of the recording medium by the second recording part alone, and recording of a region in between the two regions using both recording parts.