Abstract: An image processing apparatus includes: an input device to which images before color conversion and images after color conversion are input; and a processor. The processor is configured to execute a program to perform color conversion on a sample image using color conversion characteristics prepared by inputting sets of the images before color conversion and the images after color conversion to the input device, specify a portion at which a tone jump is caused from the sample image after color conversion, and acquire a set of an image before color conversion and an image after color conversion corresponding to the portion at which the tone jump is caused from the sets, to prepare the color conversion characteristics again using the acquired set of images.

Abstract: A printing device includes: an ink system having a plurality of types of inks; an image input unit accepting an input of an image to be printed; a print condition selection unit accepting a selection of N types of print conditions used when printing the image, N being an integer equal to or greater than 2; an application rate input unit accepting an input of an application rate of each of the N types of print conditions that are selected; a first ink amount calculation unit calculating an expected amount of ink of each of the plurality of types of inks used when it is assumed that the image is printed using singly each of the N types of print conditions that are selected; a second ink amount calculation unit calculating an actual amount of ink used when printing the image, using the expected amount of ink corresponding to each of the N types of print conditions and the application rates of the N types of print conditions; and a printing unit executing printing of the image according to the actual amount of in

Abstract: A supporting program according to aspects of the present disclosures can be executed by a CPU of a PC and corresponds to a printer connected to the PC. When the PC receives a print instruction to cause the printer to perform printing through a general-use printing program implemented in the OS of the PC, in advance, the supporting program causes the PC to output a preceding operation command to cause the printer to perform a preceding operation before starting printing. The printer performs a preceding operation corresponding to the preceding operation command.

Abstract: An image forming device includes: an image former that executes image forming processing to form an image on a sheet; a primary controller; a secondary controller that controls the image former; a sensor that detects a state of the image former and transmits sensor data indicating the state to the secondary controller; a first transmission path between the secondary controller and the primary controller; and a second transmission path different from the first transmission path. The primary controller instructs the secondary controller to execute the image forming processing. Data related to the execution of the image forming processing is transmitted through the first transmission path. The secondary controller generates diagnostic data for failure diagnostics from the sensor data and life prediction relating to the image forming device and transmits the diagnostic data to the primary controller via the second transmission path.

Abstract: A processor maintains image quality degradation for a printing device. A communications device receives a print job that includes instructions to print a plurality of printed sheets in a sheet printing sequence. The processor generates a predicted output image for a mid-job sheet of the printed sheets based on the image quality degradation and the sheet count of the mid-job sheet within the sheet printing sequence. The printing engine alter printing characteristics to print a proof sheet matching an appearance of the predicted output image.

Abstract: An image processing apparatus includes circuitry. The circuitry is configured to acquire an output target image to be formed and output. The circuitry is configured to generate an image for inspection from the output target image. The circuitry is configured to add a reference point image to an area of the image for inspection in a case in which the circuitry fails to set a reference point based on the image for inspection. The circuitry is configured to align the reference point added to the image for inspection and the reference point image of a read image of the output target image formed on a recording medium with the reference point image added in response to adding the reference point image to the image for inspection, to compare the image for inspection with the read image to perform inspection.

Abstract: An image processing apparatus that converts input image data into halftone image data that a plurality of arranged nozzles ejecting ink can print and includes one or more hardware processors and one or more memories storing one or more programs configured to be executed by the one or more hardware processors, the one or more programs including instructions for correcting a pixel value of each pixel in the input image data in accordance with a characteristic of the nozzle and generating first halftone image data by performing halftone processing for a second frequency component whose frequency is lower than that of a first frequency component of frequency components corresponding to the corrected input image data. Here, the first halftone image data is data that is generated to be printed with first dots whose dot size causes adjacent dots to overlap.

Abstract: An image processing method is disclosed. The image processing method may include: partitioning an original gridded image to obtain a plurality of regional grid images, wherein the regional grid images are distributed along a direction away from a geometric center of the original gridded image (S300); and adjusting grid vertices of the regional grid images based on anti-distortion parameters to obtain a plurality of regional correction grid images forming a grid correction image (S400). A grid density of each of the regional correction grid images may be smaller than or equal to a grid density of a corresponding regional grid image, and the grid density of each of the plurality of the regional correction grid images may gradually increase along the direction away from the geometric center of the original gridded image.

Abstract: Provided are systems and methods to perform colour extraction from swatch images and to define new images using extracted colours. Source images may be classified using a deep learning net (e.g. a CNN) to indicate colour representation strength and drive colour extraction. A clustering classifier is trained to use feature vectors extracted by the net. Separately, pixel clustering is useful when extracting the colour. Cluster count can vary according to classification. In another manner, heuristics (with or without classification) are useful when extracting. Resultant clusters are evaluated against a set of (ordered) expected colours to determine a match. Instances of standardized swatch images may be defined from a template swatch image and respective extracted colours using image processing. The extracted colour may be presented in an augmented reality GUI such as a virtual try-on application and applied to a user image such as a selfie using image processing.

Abstract: A control apparatus has a display unit, a first changing unit and a second changing unit. The display unit displays a print preview showing a print medium on which a sheet region corresponding to a predetermined paper size is provided. The first changing unit changes, based on a setting in a first setting item being changed, an orientation of the sheet region in the print preview displayed by the display unit. The second changing unit changes a positional relationship among a multiple pages on the print medium shown by the print preview based on a setting in a second setting item being changed by a user. Orientations of the multiple pages and the positional relationship and a setting in a second setting item are changed based on a change, by a first changing unit, of the orientation of the sheet region having the multiple pages arranged therein.

Abstract: Embodiments of the present disclosure relate to computer storage, methods, and systems for the automatic optimization of accessible color themes. Systems and methods are disclosed that leverage the use of confusion lines to identify and highlight relationships between colors that may be inaccessible (e.g., indistinguishable) for a person with a vision impairment, such as a color vision deficiency. In some embodiments, a set of input colors can be automatically optimized for color accessibility using confusion lines. The set of input colors can be optimized utilizing an objective function, including at least one of a CVD alignment term, out-of-gamut term, distinguishability term, and faithfulness term.

Abstract: Provided is a technology to identify the number of objects to be identified for each packaging unit with a high degree of accuracy. This object identification device comprises: a comparison unit which compares a captured image with an identification image for identifying objects; and a determination means which, if a plurality of objects are identified as being contained within the captured image, determines whether the plurality of identified objects are articles bundled together in accordance with predetermined conditions, based on a first parameter which represents the geometrical relationship between a first position in a first space, and a second position corresponding to the first position in a second space which represents the image space if the plurality of articles represented by the identification image are bundled together, and a second parameter which represents the geometrical relationship between the first position and a third relationship corresponding to the first position.

Abstract: An inspection device includes an image reader that generates a scan image, an inspector that inspects an inspection target image formed on a storage medium, by comparing a scan image with a reference image, a storage that stores the reference image, and a hardware processor that stores into the storage the reference image generated as the scan image by reading with the image reader an image formed on a recording medium by the image former on a basis of a second print job for generating the reference image, determines whether the reference image stored in the storage satisfies a predetermined condition when a data amount of the reference image stored in the storage becomes equal to or larger than a predetermined amount, and deletes the reference image determined to satisfy the predetermined condition from the storage.

Abstract: An information processing apparatus is configured to communicate with an image forming apparatus. The image forming apparatus includes a document feeder configured to convey, in order to read an original on an original tray, the original on the tray. The image forming apparatus is configured to form an image on a sheet based on a result of reading the original. The information processing apparatus includes an acquisition unit configured to acquire user instruction information about types of calibration selected from among a plurality of types of calibration for adjusting a quality of an image to be formed by the image forming apparatus; and a controller configured to determine test charts to be created by the image forming apparatus based on the user instruction information; receive an execution instruction that instructs to create the test charts in succession.

Abstract: An electronic device includes a camera configured to capture an image and generate an electrical image signal by photoelectrically converting incident light, and at least one processor configured to estimate a light source color temperature based on image data of the image signal, identify a target coordinate on a color space based on the light source color temperature, identify a capture coordinate on the color space based on the image, identify a chrominance allowable range based on the target coordinate, obtain a white balance evaluation value based on a first distance between the target coordinate and the chrominance allowable range and a second distance between the capture coordinate and the chrominance allowable range, and perform a white balance correction on the image based on the white balance evaluation value.

Abstract: An image forming apparatus includes an image forming device to form an image on a sheet, and an image reading device to read an image from the sheet. A processing unit causes the image forming device to perform a predetermined image formation to form a first image for position correction of an output image and a second image for tone correction. A value of the position correction is obtained, based on a read image, and a tone correction value is obtained based on a read image from a second image sheet.

Abstract: A non-transitory computer readable storage medium storing a set of program instructions for an information processing apparatus. The set of program instructions includes a set of first program instructions. The set of the first program instructions, when executed by a computer, causes the information processing apparatus to perform: in response to calling a first Application Programming Interface (API) from an interface module, transferring the first API to the interface module; receiving a specific value through the first API to which the interface module inputs the specific value as the argument; acquiring printer type information indicating a type of the printer; acquiring a printer characteristic value corresponding to the printer type information; generating second parameters by using the specific value and the printer characteristic value; and outputting the generated second parameters. The second parameters are all of parameters concerning the sheet and corresponding to the printer type information.

Abstract: Color values are measured for a set of color targets printed by a reference printing device on a medium of a reference media type. A different printing device prints a subset of the set of color targets on another medium of this reference media type. The color values of the subset of color targets printed by the different printing device are measured, and the different device calibrated based on the measured color values for both the set that the reference printing device printed and the subset that the different device printed. The different printing device can then also be calibrated for a different media type, based on a transformation of the set of color targets printed by the reference printing device on a medium of the different media type relative to the set of color targets printed by the reference device on the medium of the reference media type.

Abstract: Techniques for content-adaptive video sampling for automated video quality monitoring are described.

Abstract: A method, system and computer program product are presented for generating a description in natural language for a color. The method includes acquiring a list of tuples, generating a graph by using each of the tuples as a node and adding edges between the nodes when a difference between colors of the nodes in terms of human perception is outside a predetermined range, filtering the edges based on external color comparative descriptions, incorporating a new node in the graph by finding a closest neighbor node based on the color difference and adding a new edge between the new node and the closest neighbor node, learning a feature vector for each of the nodes by using message passing and the colors of the nodes as initial seeds, and generating a description of the new node by using each of the learned feature vectors as initial states for a neural-network based decoder.

Abstract: A method for image processing includes the following. Edge pixel points in the image to be processed are determined by performing edge detection on the image to be processed. The number of the edge pixel points in the image to be processed is determined as a first pixel number. Determine that a moire pattern exists in the image to be processed when the first pixel number is larger than a first number threshold.

Abstract: A storage system and method for host-assisted memory block color coding for faster media search are provided. In one embodiment, a controller of the storage system is configured to receive an image and color properties of the image from a host and store the image in an area of memory associated with the color properties. Other embodiments are provided.

Abstract: The technology disclosed herein provides a method of providing face-based tone curve adjustment to improve global and local contrast and brightness enhancement. In one implementation, the method includes determining a light level of an image captured by a camera, determining a contrast level of an image captured by a camera, comparing the light level and the contrast level to one or more of a plurality of thresholds, and based on the result of the comparison, selecting an advance intelligent global brightness contrast enhancement (AIGBCE) curve to the image.

Abstract: An image inspection device detects an abnormality of a formed image by comparing imaged data obtained by imaging the formed image with original image data of the formed image. The image inspection device includes a hardware processor that: adjusts the original image data to reduce sharpness of the original image data; and detects the abnormality by comparing the adjusted original image data with the obtained imaged data. The hardware processor partly restricts the reduction of the sharpness.

Abstract: An apparatus prints images for a density adjustment on a plurality of sheets, reads the image on a sheet printed later among the plurality of printed sheets, determines a representative value by carrying out a calculation from at least a first density value read from an image at a predetermined position on a first sheet and a second density value read from an image at the predetermined position on a second sheet, which are printed later, and performs a print density adjustment using the determined representative density and a target density.

Abstract: An image processing system and method provide for receiving a digital document page to be printed. The page includes a background region for which no color is specified. A user is presented with an option to select a print medium from a set of print media of different colors and to select an option for a color of the selected print medium be used as a color of a background layer of the digital document page. When the option is selected, a background layer is inserted into the page. A print job incorporating the processed digital document page is output to an associated printer that is configured to convert the color of the background layer to colorant values that use the print media as a colorant for rendering at least a part of the background region.

Abstract: Certain examples described herein relate to generating a Neugebauer Primary area coverage (NPac) vector. In certain cases, an operating state of a printing system is determined. A first NPac vector is obtained, having an initial set of Neugebauer Primaries (NPs). The initial set of NPs comprise a NP that is not implementable with the operating state. A target set of NPs is determined on the basis of the operating state, the target set of NPs being implementable with the operating state. A second NPac vector is generated, the second NPac vector having the target set of NPs.

Abstract: A printing apparatus connectable to an external power supply having outputtable voltage information, including: a printing head performing printing by electric power supplied from the external power supply; a resistor having an electric resistivity based on the printing head; a detector detecting a substantial voltage; and a controller configured to: obtain the voltage information from the external power supply; decide a tentative voltage; request the external power supply to output the tentative voltage; energize the resistor with the tentative voltage; decide the substantial voltage if a voltage corresponding to each of the obtained voltage information is supplied based on a result of the detector during the energizing of the resistor; decide an electric power supply voltage based on the substantial voltage; and request the external power supply to output the electric power supply voltage.

Abstract: First, a color close to a prediction target color is selected as a first similar color from among a plurality of similar candidate colors. Next, a first relational expression representing a relationship of spectral reflectances of a solid patch between a reference medium and a prediction target medium is obtained for the first similar color. Then, spectral reflectances of the solid patch in the prediction target medium for the prediction target color are predicted by applying spectral reflectances of a solid patch in the reference medium for the prediction target color to the first relational expression. Finally, spectral reflectances of each halftone patch in the prediction target medium for the prediction target color are predicted based on the prediction result.

Abstract: An image processing apparatus performs predetermined image processing for read data obtained by reading an image on a document by first and second reading sensors arranged so as to have an overlapping area. The predetermined image processing includes color correction processing of converting color signals detected by light receiving elements of the reading sensors into color signals with respect to each of pixels forming read data. Color correction processing for first read data obtained from light receiving elements of the first reading sensor not included in the overlapping area and color correction processing for second read data obtained from light receiving elements of the second reading sensor not included in the overlapping area are performed in accordance with different correction characteristics. By doing this, an image in which image unevenness caused by individual differences of the short reading sensors is reduced can be output.

Abstract: There is provided an image forming apparatus that forms an image with a plurality of coloring materials on a recording medium, and the image forming apparatus includes: a hardware processor that calculates a chromaticity range having a color difference not less than a setting value to respective chromaticities of the plurality of coloring materials for use in formation of the image, as a base color range common between the plurality of coloring materials.

Abstract: Target color table generated from source color tables. A first significance factor is assigned to a first node in a first source color table. The first node in the first source color table corresponds with a color input in a first color space and provides a first print substance formulation in a second color space. A second significance factor is assigned to a second node in a second source color table. The second node in the second source color table corresponds with the color input in the first color space and provides a second print substance formulation in the second color space. A third node in target color table is generated from the first and second nodes based on the first and second significance factors. The third node corresponds with the color input in the first color space and provides a third print substance formulation in the second color space.

Abstract: A printing system, a non-transitory recording medium, and a print control method. The printing system adds a command for instructing printing with special color material to a single color page in first print data, the first print data having been generated based on image data including the single color page in which an object is drawn in single color, transmits to the image forming apparatus, second print data that has the command added, and prints the single color page in the second print data with the special color material.

Abstract: A color printing system includes a color management server and one or more printing devices. The color management server manages color printing resources among the printing devices. A test chart is printed at a printing device and used to capture calibration measurement data. Calibration settings are defined for the calibration measurement data. A tone reproduction curve (TRC) is generated based on the calibration measurement data and the calibration settings. The TRC is stored with the TRC settings and calibration measurement data to be used at a printing device. The TRC settings are edited and the TRC associated with the measurement data is updated or regenerated to reflect the edited settings. More than one TRC is updated with the new settings if it uses the measurement data.

Abstract: A job processing system provides a method capable of determining, for each job, an item a notification of which is to be issued as a quality of a resultant product which is obtained by executing a job from among a plurality of items concerning quality. The job processing system receives quality request data, identifies, based on the received quality request data, an item a notification of which is to be issued as a quality of a resultant product which is obtained by executing the job from among a plurality of items concerning quality, and issues a notification of a quality of the resultant product with respect to the identified item.

Abstract: An information processing apparatus includes an acquisition unit that acquires a designated color which is designated as a color, which is converted into a specific color, of a pixel among pixels which express an image, a determination unit that determines whether or not a common color area, which is expressed by pixels in a common hue range, expresses prescribed information in the image, and a conversion unit that performs a first conversion process of converting a pixel corresponding to the acquired designated color into a specific color in the common color area which is determined to express the information, and performs a second conversion process of converting a pixel corresponding to a color in a wider hue range than the designated color into a specific color in the common color area which is determined to not express the information.

Abstract: An inspection apparatus that inspects the quality of a printed product printed by a print apparatus receives information indicating a reference image, from an information processing apparatus that transmits a print job to the print apparatus. The inspection apparatus acquires the reference image based on the information indicating the reference image. The inspection apparatus receives from the print apparatus a scanned image of the printed product printed based on the print job received from the information processing apparatus, and inspects the quality of the printed product based on a comparison between the received scanned image and the acquired reference image.

Abstract: An image reading apparatus includes an image reading device and a control device. The image reading device performs image reading of an original document to generate a read image. The control device includes a processor and functions, through the processor operating in accordance with a control program, as an edge shape detector and a missing part determiner. The edge shape detector uses as a target image the read image or an image obtained by subjecting the read image to predetermined image processing and detects an edge shape of at least one of a leading edge and a trailing edge of a document image corresponding to the original document in the target image. The missing part determiner determines, based on the detected edge shape, whether or not a missing part of the document image has occurred.

Abstract: An information processing apparatus includes a power controller configured to perform one of first control, which, in response to the information processing apparatus transitioning from a second power state to a first power state, supplies electric power to a storage device and drives a spindle motor, and second control, which, in response to the information processing apparatus transitioning from the second power state to the first power state, supplies electric power to the storage device without driving the spindle motor, wherein, when the information processing apparatus is in the second power state, the power controller performs the first control based on a state controller receiving a first request signal, and the power controller performs the second control based on the state controller receiving a second request signal different from the first request signal.

Abstract: A server apparatus includes circuitry to: receive, from an image forming apparatus, determination information including first determination information for identifying a type of print data received by the image forming apparatus, and second determination information for identifying a type of print data with which the image forming apparatus can generate drawing data; determine which of the image forming apparatus and the server apparatus is to generate drawing data from the print data, based on the determination information; in response to the circuitry determining that the image forming apparatus is to generate the drawing data, transmit instruction information for instructing generation of the drawing data to the image forming apparatus; and in response to the circuitry determining that the server apparatus is to generate the drawing data, control generation of the drawing data from the print data and transmission of the generated drawing data to the image forming apparatus.

Abstract: The image processing apparatus includes: a color conversion unit configured to convert an input color space of the document image data into a device-dependent color space specified by the plurality of color materials; and an output unit configured to output the document image data converted into the device-dependent color space, and the color conversion unit performs, in a case where the document image data includes a first kind of object and a second kind of object different from the first kind, the conversion by selectively applying a first color conversion method of converting data corresponding to the first kind of object into data represented in a first color space and a second color conversion method of converting data corresponding to the second kind of object into data represented in a second color space different from the first color space within one print job.

Abstract: This application is directed to vectoring a raster image in which an electronic device detects a contour of a component in the raster image, builds tangent vectors for each point of the contour and identifies a plurality of segmentation points on the contour. One or more points of sharp angle are identified on the contour in accordance with a determination that each point of sharp angle corresponds to two distinct tangent vectors and that an angle between the two distinct tangent vectors falls below a predefined threshold. A respective one of the segmentation points is positioned at each identified point of shape angle. The electronic device approximates a piecewise smooth fitting curve (e.g., a piecewise Bezier curve) having two or more fitting segments to connect the plurality of segmentation points on the contour. The piecewise smooth fitting curve is thereby provided to vectorize the raster image.

Abstract: One aspect of the present disclosure relates to a data compression method. The method includes generating, by one or more processors, compressed data from data, wherein the compressed data includes one or more unduplicated values of the data and generating, by the one or more processors, index data from the data, wherein the index data includes indices indicative of storage locations for the unduplicated values.

Abstract: A method is described in which sets of corresponding colorimetric values are obtained. In a set, a colorimetric value is associated with a device color. A number of device colors are selected according to the color differences between colorimetric values associated with the same device color. A color calibration pattern is elaborated for a printer to be calibrated using the selected device colors and calibration is performed using the sets of colorimetric values.

Abstract: There are disclosed techniques for error diffusion for printing. For example, there is disclosed a device comprising a pixel selector, to select a pixel from an image to be printed, wherein the pixel is associated to a group of device state probabilities, wherein each device state probability describes a probability of choosing a particular device state, wherein each device state describes the quantity of each colorant to be used in correspondence of the pixel. The device may comprise a device state determiner, to choose the device state for the selected pixel on the basis of the device state probabilities associated to the selected pixel. The device may comprise a feedback chain, to diffuse device state probability errors to pixels to be subsequently selected. The feedback chain may include a selected pixel error determiner, to determine device state probability errors for each device state probability of the selected pixel.

Abstract: A controller for qualifying image registration includes a memory that stores instructions; and a processor that executes the instructions. When executed by the processor, the instructions cause the controller to execute a process that includes receiving first imagery of a first modality and receiving second imagery of a second modality. The process executed by the controller also includes registering the first imagery of the first modality to the second imagery of the second modality to obtain an image registration. The image registration is subjected to an automated analysis as a qualifying process to qualify the image registration. The image registration is variably qualified when the image registration passes the qualifying process, and is not qualified when the image registration does not pass the qualifying process.

Abstract: Methods, systems and computer readable media for color management are described. In some implementations, the method can include accessing one or more buildup curves associated with a combination of a substrate, one or more colorants and a colorant dispenser. The method can also include accessing a design file specifying a design and including one or more layer files each specifying a layer color. The method can further include generating, for each layer color, a corresponding colorization recipe based on the one or more buildup curves. The method can also include creating a production job instruction/metadata file having a link to the design instruction/metadata file and including parameters associated with the colorant dispensing job to be carried out using the design instruction/metadata file.

Abstract: In an example, a method includes determining, using a processor, a first halftone screen comprising a plurality of cells. Each of the cells may contain a predetermined pixel cluster pattern, and a centre position of a cluster pattern within a first cell may be different to a centre position of a cluster pattern within a second cell.

Abstract: A display method, a display device, a terminal device, and a storage medium are provided. The display method includes: extracting a file attribute of a file to be displayed; automatically setting, according to the file attribute of the file to be displayed, a pixel density of a display screen for displaying the file by searching the pixel density corresponding to the file attribute of the file from a pre-stored pixel density model; and displaying the file according to the pixel density.

Abstract: Calibration devices for calibrating a camera, systems for computer-aided determination of hair colour information, and methods for calibrating a camera are provided herein. In an embodiment, a method for calibrating a camera includes recording a digital image of a piece of calibration information on a fibre from a plurality of fibres from natural hair or fibres that resemble natural hair by employing a camera. The fibre is identified in the digital image by employing a marker. A plurality of colour values are determined for a plurality of reference colours as the calibration information on the fibre in the digital image, wherein a reference colour value is assigned to each reference colour. The respective determined colour value for the plurality of the determined colour values is assigned to the respectively assigned reference colour value for the plurality of reference colour values.