Abstract: A display refresh system, method and computer program product are provided. In use, at least one aspect of a display of content is identified by monitoring commands. Based on such identified aspect(s), a refresh rate of a display utilized for the display of the content may be adjusted.

Abstract: A display refresh system, method and computer program product are provided. In use, a refresh rate is adjusted for power saving purposes, and/or any other purpose(s) for that matter. Further, various embodiments are provided for reducing visual manifestations associated with a transition between a first refresh rate and a second refresh rate.

Abstract: Apparatuses and methods are presented for a hierarchical processor. The processor comprises, at a first level of hierarchy, a plurality of similarly structured first level components, wherein each of the plurality of similarly structured first level components includes at least one combined function module capable of performing multiple classes of graphics operations, each of the multiple classes of graphics operations being associated with a different stage of graphics processing.

Abstract: Graphics generated by one graphics processor are transferred across a high speed interconnect bus to a frame buffer. The rendered frames from the frame buffer are presented on a display by way of a display interface in communication with the frame buffer. The display interface of another existing (e.g. integrated) graphics adapter/subsystem may be used to present the rendered frames on an interconnected display.

Abstract: In one embodiment, a predetermined amount of bitmap data is accumulated in a first cache memory, a predetermined amount of arrangement-converted bitmap data is accumulated in the second cache memory, the number of instances of switching between value 0 and value 1 when transferring/outputting bitmap data is compared to the number of instances of switching between value 0 and value 1 when transferring/outputting arrangement-converted bitmap data, and the bitmap data or the arrangement-converted bitmap data with the lesser number of instances of switching is transferred/output to a RAM; thus, the power consumption when transferring/outputting data to the RAM via a data bus is reduced.

Abstract: Provided are methods and systems for reducing memory bandwidth usage in a common buffer, multiple FIFO computing environment. The multiple FIFO's are arranged in coordination with serial processing units, such as in a pipeline processing environment. The multiple FIFO's contain pointers to entry addresses in a common buffer. Each subsequent FIFO receives only pointers that correspond to data that has not been rejected by the corresponding processing unit. Rejected pointers are moved to a free list for reallocation to later data.

Abstract: An image-displaying system has a sending apparatus that sends image quality information for adjusting image quality of an image in reply to a request, and an image-displaying apparatus that displays the image based on the image information received from the sending apparatus. The image-displaying apparatus includes receiving device that receives at least program information indicating a genre of an image and information on the image, image-processing device that performs processing relative to image quality of the information on the image received by the receiving device, input-controlling device that controls input of image quality information for adjusting image quality of the image through a transmission medium based on the program information received by the receiving device, and image-quality-setting device that sets the image quality processed in the image-processing device by using the image quality information input by the input-controlling device.

Abstract: A method (1100) of creating an editable document is disclosed. The method analyses a bitmap image to detect at least one bit map representation of a graphical object and a bitmap representation of a line object. The method matches the graphical object with one of a plurality of predetermined template shapes (e.g., 420), the template shape having one or more predetermined non-contiguous connection points. The method selects one of the predetermined connection points for the line object if at least one end of the line object is within a predetermined distance of the selected connection point and associates the line object with the selected connection point. The method creates an editable document comprising the template shape with the line object connected thereto, wherein the line object remains associated with the selected connection point upon the template shape being modified within the document such that the line object remains dynamically connected to the template shape.

Abstract: System and method for dynamically altering a color gamut used in projection display systems. An embodiment comprises determining a dim color from colors used in representing an image, adjusting the dim color to increase an available display time for a non-dim color used to represent the image, adjusting the non-dim color using the available display time, and generating a color sequence based on the adjusted dim color and the adjusted non-dim color. The pixel intensities of a dim color are increased, permitting a shortening of the display time of the dim color. The newly freed display time can be reallocated to all colors to increase the amount of light used to display the image, thereby increasing image brightness or altering color point.

Abstract: An apparatus, method, and computer program product for applying transparency to a rendered surface. The apparatus comprises a graphics processor configured to render a surface, wherein a transparency parameter is associated with the surface, the transparency parameter defining a blending process. The apparatus further includes a display processor configured to blend the rendered surface in accordance with the transparency parameter. Preferably, the transparency parameter is an EGL surface attribute.

Abstract: The presently described embodiments generate a single job that tests multiple image path parameter combinations. The user first selects the part of the document that will be used for the test run. The system then determines all the available image path control parameters and settings that are compatible with the selected document parts. The system builds a menu, and the user chooses the image path control parameters and settings combinations that are to be tested. The user then sends the job to the printer which prints the selected parts of the documents using each of the selected image path parameter combinations. Appropriate labels are included in the printed output so the user can easily identify the combination that delivers the most satisfactory results.

Abstract: Foreground images, such as cursors, may be displayed over an image by selecting individual pixel colors to contrast with surrounding background pixels. The background pixels in, around and behind the foreground image may be converted from a red-green-blue (RGB) color space to a luminance isolating color space, such as YUV, HSL or the like. The converted pixel information may be copied, stored, or drawn into a separate compositing window. After converting to the luminance isolating color space, the luminance values of the pixels may be adjusted to increase the contrast between the foreground image and the background image. Portions of the foreground image may also be blurred, such as by applying a Gaussian or box blur, such as to soften the edges. The pixel information may then be converted back into the RGB color space and blended with the background information using alpha information for the foreground and background images.

Abstract: A method, system, and computer-readable storage medium are disclosed for combining raster image masks in a digital image. A first raster image mask may be generated that comprises a first set of one or more pixels having a first intermediate value for membership in the first raster image mask. A second raster image mask may be generated that comprises the first set of one or more pixels having a second intermediate value for membership in the second raster image mask. The first raster image mask and the second raster image mask may be combined to generate a third raster image mask, wherein a boundary of the third raster image mask is not greater than a combined boundary of the first raster image mask and the second raster image mask.

Abstract: A method and an apparatus are provided for displaying a character string when the character string is being input. The method includes: grouping a plurality of positions for inputting characters into a plurality of position groups; configuring display format of the characters to be input for every position group; and responding to input of the character string, displaying the input character string with the configured display format. The methods and apparatus will facilitate a user reading character strings, and verifying character strings while inputting them.

Abstract: An image editing method of inputting a vector graphic component and editing and utilizing an original image in various forms in a portable display device is provided. The method includes inputting an original image to be edited, inputting a vector graphic component to be added to the original image, and editing the vector graphic component together with the original image. Accordingly, an image can be conveniently edited, even when using limited hardware, such as the portable display device.

Abstract: Adaptive span computation when ray casting is presented. A processor uses start point fractional values during view screen segment computations that start a view screen segment's computations a particular distance away from a down point. This prevents an excessive sampling density during image generation without wasting processor resources. The processor identifies a start point fractional value for each view screen segment based upon each view screen segment's identifier, and computes a view screen segment start point for each view screen segment using the start point fractional value. View screen segment start points are “tiered” and are a particular distance away from the down point. This stops the view screen segments from converging to a point of severe over sampling while, at the same time, providing a pseudo-uniform sampling density.

Abstract: Systems, methods, and apparatus, including computer program products, for forming composite images using gradient-domain compositing are provided. In some implementations, a method is provided. The method includes receiving two or more source images and aligning the received source images to form an assembled composite image. The method also includes stitching the seams between the aligned source images in the assembled composite image to form a final composite image. The stitching includes performing a gradient domain compositing. The gradient domain compositing uses a subset of pixels in the assembled composite image including calculating individual pixel values along the seams and interpolating pixel values away from the seams.

Abstract: The present disclosure includes systems and techniques relating to selecting a reference image for images to be joined in accordance with projective transformations.

Abstract: A graphing system that simultaneously displays an equation with the associated graph is provided. The equation is displayed on the graph. The graph may be adjusted, and the equation is automatically adjusted accordingly. Additionally, modifications to the equation may be automatically reflected on the graph. Embodiments of the present invention may be utilized in any type of electronic device capable of displaying tabular data, such as handheld calculators, computers, and the like.

Abstract: A bit plane generating system, a method of generating a bit plane and an integrated circuit incorporating the system or the method. In one embodiment, the bit plane generating system includes: (1) a memory configured to store pixel data pertaining to an image to be displayed and (2) bit plane decoding circuitry coupled to the memory and configured to transform the pixel data into at least a portion of a bit plane in accordance with a signal received from a sequence controller.

Abstract: Systems, methods, and apparatus, including computer program products, are provided for forming composite images. In some implementations, a method is provided. The method includes receiving a set of component images for forming a composite image and defining a first projection for the set of component images corresponding to a first reference frame. The method also includes identifying a plane corresponding to a point of view of the set of component images, where a normal to the plane corresponds to a second reference frame, defining a second projection for the set of component images corresponding to the second reference frame, the second reference frame corresponding to a rotation from the first reference frame defined using the normal of the identified plane, and rendering the composite image according to the second projection.

Abstract: An apparatus, method, and computer program product for rotating a rendered surface. The apparatus includes a graphics processor configured to render a surface, wherein a display orientation parameter is associated with the surface, the display orientation parameter defining a rotation process. The apparatus further includes a display processor configured to rotate the rendered surface in accordance with the display orientation parameter. Preferably, the display orientation parameter is an EGL surface attribute.

Abstract: A system and method for accurately controlling a printing process regardless web width or printing layout. A user interface is provided for configuring a printing application that includes a plurality of sensors arranged to form an interface region. The sensors are configured to generate feedback indicating user interaction with the interface region. A controller is configured to map the plurality of sensors into virtual keys based on at least a columniation of the printing application and adjust parameters of the printing application based on the feedback.

Abstract: A display apparatus includes a recorder for recording a plurality of two-dimensional images that are obtained with a three-dimensional image viewed from different viewpoints, the three-dimensional image having a plurality of content indicators representing contents and arranged in three-dimensional coordinates representing first through third impression values of impression at each content, a display for displaying the two-dimensional image recorded on the recorder, a pointer for pointing to the viewpoint for modification to view the three-dimensional image, and a display controller for reading from the recorder one of two-dimensional images with the three-dimensional image viewed from one viewpoint, reading from the recorder another two-dimensional image with the three-dimensional image viewed from another viewpoint in response to an operation input entered to the pointer with the read two-dimensional image being displayed on the display, and displaying the other read two-dimensional image on the display.

Abstract: A method for rapidly generating the gray-level versus brightness curve of a display includes the step of obtaining a portion of the gray-level values and their corresponding brightness values. These values are then used in a mathematical formula to find variables to obtain the gray-level versus brightness curve.

Abstract: A method of rapidly generating a gray-level versus brightness curve of display causes a color display to display a test image that includes a plurality of block images. Each block image has different gray-level value. By using a light detector and a color analyzing device, corresponding brightness values of the gray-level values can be obtained. Therefore, a gray-level versus brightness curve can be generated according to the gray-level values and their corresponding brightness values.

Abstract: A liquid crystal display for automatically adjusting a swing of a gamma reference voltage which is used for determining a gray scale level of a frame that is driven with a doubled frame frequency in real time is disclosed. In the liquid crystal display, a frequency converter doubles a frame frequency of an inputted frame to generate a doubled odd numbered frame and a doubled even numbered frame. A timing controller generates a gamma swing control signal which controls a swing of a gamma reference voltage which is used for determining gray scale levels of the doubled odd numbered frame and the doubled even numbered frame.

Abstract: A method, medium, and system implementing wide angle viewing compensation for a digital display device. The system includes a display unit to display an input image, a sensor unit to sense a change in the slope of the display unit with respect to a ground surface, and an image processor to compensate for a luminance value of a pixel included in the input image by referring to a viewing angle determined by the sensed slope and prestored viewing angle characteristic data.

Abstract: An image display control device calculates a lighting luminance after reduction in luminance and an image correction coefficient by real-time calculations of a common calculator. The common calculator is controlled by microcodes stored in a code table. When correcting an image, chroma correction is enhanced to suppress a decrease in chroma due reduction in luminance, and a flicker is prevented by series infinite impulse response (IIR) filtering processes. When the image has a low average luminance but has a high chroma, a decrease in chroma is suppressed by limiting a reduction in lighting luminance.

Abstract: A display device is provided with a display panel on which a plurality of display pixels are provided; a backlight illuminating the display panel; and a display panel driver driving the display panel. The display panel driver externally receiving image data and a clock signal for controlling timings of receiving the image data. The display panel driver includes a backlight controller generating a PWM-modulated drive signal to drive the backlight. The frequency of the PWM-modulated drive signal is dependent on a frequency-divided clock signal generated by frequency dividing of the clock signal externally received. The frequency-divided clock signal is generated so that the frequency of the PWM-modulated drive signal is kept constant when the frequency of the clock signal externally received is switched.

Abstract: A method of driving a plasma display panel by reducing the types of voltages applied to the plasma display panel and a plasma display panel driven by the method include.

Abstract: A driving circuit unit outputting a driving signal includes an input unit, an assistant output unit and an output unit. The input unit is coupled to an input node and receives a start signal to make the input node have a potential. The assistant output unit receives a first clock signal to increase the potential of the input node. The output unit receives a second clock signal to increase the potential of the input node and outputs the driving signal. A gate driving circuit is also disclosed.

Abstract: An apparatus, method, and computer program product for scaling a rendered surface. The apparatus includes a graphics processor configured to render a surface at a source resolution, wherein a scaling parameter is associated with the surface, the scaling parameter defining the source resolution and a destination resolution. The apparatus further includes a display processor configured to scale the rendered surface to the destination resolution. Preferably, the scaling parameters are EGL surface attributes.

Abstract: A method of regulating a hydrostatic pressure of ink supplied to an inkjet printhead is provided. The method comprises withdrawing a volume of ink from an ink chamber and simultaneously bubbling air bubbles into the chamber via a bubble outlet to balance the withdrawn volume of ink. Each air bubble is defined by an air cavity trapped inside a film or a body of ink. The bubble outlet is dimensioned to control a Laplace pressure of the air bubbles, thereby regulating a hydrostatic pressure of the ink.

Abstract: A method of printing including determining a symbol to be printed; segmenting the symbol to be printed into a plurality of symbol sections; and for each of the symbol sections, selecting an ink to be used to print the symbol section from a group of at least two different inks, wherein encoded information is provided in the symbol when the symbol is printed based upon location of at least one of the different inks in the symbol.

Abstract: An ink which is supplied from an ink cartridge via an ink supply tube is stored in an ink tank, and is supplied to a recording head. The ink cartridge is detachably connected to the ink supply tube. At every predetermined time interval, a maintenance unit carries out an air discharge operation to discharge air accumulated in the ink tank, through an air discharge passage. Moreover, even at a time shorter than the predetermined time interval, when a frequency of replacement of the ink cartridge is higher than a predetermined value, the air discharge operation is carried out and the air accumulated in the ink tank is discharged.

Abstract: Ink consumption amount is calculated based on an ink amount which is used for recording and periodic preparatory jetting in a predetermined time period after a previous discharge operation. An ink of an ink amount obtained by subtracting a consumption amount for the predetermined time, from an ink capacity of an ink supply system which supplies the ink from an ink cartridge to a recording head, is discharged by a discharge mechanism. Accordingly, it is possible to maintain a favorable state of ink by replacing periodically the ink in the ink supply system without a wasteful consumption. Moreover, when the amount of ink consumed in the predetermined time period is same as or more than the ink capacity of the ink supply system, the discharge operation is not carried out. Therefore, it is possible to suppress the consumption of ink due to the discharge operation.

Abstract: In the ink-jet printing apparatus, the influence of displacements of printing positions caused by the excessive conveyance of a printing medium to the resultant image when the rear end of the printing medium exits from a nip portion between the roller pair in a conveying mechanism. More specifically, in the printing operation for the rear end portion of the printing medium in which the printing medium exits from the roller pair, the guide shaft for supporting the carriage is lifted at a position wherein a head-medium distance is changed to widen a distance between the printing had and the printing medium (S402). Thereby, the displacement of the landing position caused by the excessive conveyance of the printing medium is inconspicuous because of the variations of the landing positions due to the widening of the head-medium distance.

Abstract: A method of forming a liquid pattern according to liquid pattern data on a receiving medium using a liquid drop emitter that emits a continuous stream of liquid from a nozzle that is broken into drops of predetermined volumes by the application of drop forming energy pulse is disclosed comprising associating a pixel area of the recording medium with a nozzle and a time interval during which a plurality of fluid drops ejected from the nozzle can impinge the pixel area of the recording medium. The time interval is divided into a plurality of subintervals that are, in turn, grouped into a plurality of blocks. Each block is defined as a printing block or a non-printing block. A drop forming energy pulse is provided between each pair of consecutive blocks and between the subintervals of each printing block. No drop forming energy pulses are provided between the subintervals of the non-printing blocks.

Abstract: An ink jet printing apparatus and an ink jet printing method are provided which use a printing head having a plurality of ejection opening arrays and enable high quality printing without causing uneven density in a conveying direction. For this purpose, by providing a plurality of ejection opening arrays to chips constituting the printing head and changing data assigning ratio of each ejection opening array, deviation in impact positions depending on the distance between the ejection opening arrays becomes inconspicuous.

Abstract: A method for adjusting a first and a second array relative to each other in a printing device has a carrying structure for mounting the first and second arrays. The first array has nozzles arranged in a first row substantially parallel to a first direction for forming first marks on a recording substrate. The second array has nozzles arranged in a second row substantially parallel to the first direction for forming second marks on the recording substrate. In an attainable relative position, the first and second arrays at least partially flank each other. The method includes forming a test pattern and detecting the locations of first and second test marks; determining a plurality of deviation factors for a plurality of attainable relative positions; and selecting an attainable relative position among the plurality of attainable relative positions that satisfies a selection criterion applied to the plurality of deviation factors.

Abstract: The invention relates to a method for adjusting ejection timing including: forming adjustment patterns on a medium by shifting relative ejection timings of liquid droplets from a first nozzle row and a second nozzle row lined up in a direction intersecting a row direction in which nozzles of the first nozzle row and the second nozzle row are lined up, while shifting the first nozzle and the second nozzle in respect to the medium in the intersecting direction of the first nozzle row and the second nozzle row; and determining adjustment amounts of relative ejection timings of the first nozzle row and the second nozzle row based on the adjustment patterns, wherein the adjustment patterns are formed in the intersecting direction in a plural number separated from each other by a predetermined distance, and the ejection timing is adjusted based on an average of the adjustment amounts determined based on the adjustment patterns.

Abstract: The invention relates to a method for adjusting ejection timing including forming adjustment patterns on a medium by shifting relative ejection timings of liquid droplets from a first nozzle row and a second nozzle row lined up in a direction intersecting a row direction in which nozzles of the first nozzle row and the second nozzle row are lined up, while shifting relative positions of the first nozzle and the second nozzle, and the medium in the intersecting direction; and determining adjustment amounts of relative ejection timings of the first nozzle row and the second nozzle row based on the adjustment patterns, wherein the adjustment patterns are formed in the intersecting direction in a plural number separated from each other by a predetermined distance, and the ejection timing is adjusted based on an average of the adjustment amounts determined based on the adjustment patterns.

Abstract: An inkjet printer system includes a media tray for storing stacked print media. A media pick-up mechanism is configured to pick respective sheets of print media from the media tray. A pair of transport rollers is configured to transport print media from the pick-up mechanism. Motor assemblies are configured to drive the respective pick-up mechanism and transport rollers. A printhead is configured to eject ink upon print media transported by the transport rollers.

Abstract: An apparatus and method of ink jet printing is provided that poor ejection less occurs even where making a printing on a printing medium ready to cause a paper powder, such as a fine art paper. An image is to be printed on a printing medium by performing a relative movement of a printing medium and a printing head having a plurality of arrays each having a plurality of ejection openings. On this occasion, the image is printed by using ejection openings in a number changed in accordance with a type of the printing medium, out of a plurality of ejection openings on the two arrays adjacent to each other.

Abstract: An imaging apparatus includes a controller and a media detection device mechanically engaged with a stack of print media. The media detection device has a movable indicator having a surface with distinct reflectance characteristics. A reflectance sensor is communicatively coupled to the controller. The reflectance sensor reads a reflectance of the surface and outputs a signal to the controller indicative of at least one characteristic of the print media.

Abstract: There is provided an ink pressure regulator for regulating a hydrostatic pressure of ink supplied to an inkjet printhead. The regulator comprises: an ink chamber having an ink outlet for fluid communication with the printhead via an ink line; an air inlet; a regulator channel having a first end communicating with the air inlet and a second end communicating with a headspace of the chamber, the second end defining a bubble outlet; and a wetting system for maintaining at least some liquid in the regulator channel, thereby ensuring that air entering the headspace first passes through the liquid. The regulator channel is dimensioned to control a Laplace pressure of air bubbles drawn from the bubble outlet as result of supplying ink to the printhead, thereby regulating a hydrostatic pressure of the ink.

Abstract: There is provided an inkjet printing apparatus having a printhead equipped with printing element row that includes printing elements having a plurality of heat-producing resistance elements. The apparatus includes a temperature sensing unit which senses the temperature of the printhead, a temperature distribution storage unit in which a temperature distribution along the printing element row, a temperature gradient calculating unit which calculates the temperature gradient of the printing element row from the temperature of the printhead sensed by the temperature sensing units, a predicting unit which predicts the temperature of each printing element using the temperature gradient and the temperature distribution along the printing element row, and a control unit which applies discharge pulses, which are decided based upon the predicted temperature from the predicting unit, to each of the printing elements.

Abstract: Printing can be properly performed on a print medium other than print media preset in accordance with print modes of a printer. Specifically, when the print medium other than the print media preset in accordance with the print modes is used, patches are printed on the print medium in each combination of the ink ejection amount and the number of passes, and information regarding each evaluation of granularity and banding based on colorimetry of the patches is obtained for each combination of the ink ejection amount and the number of passes. Next, a combination of the maximum ink ejection amount and the maximum number of passes is selected from the combinations that each evaluation of the granularity and the banding satisfies a certain level. Then, a print mode having a combination nearest the combination is selected from the plurality of print modes.

Abstract: A printhead assembly includes an elongate ink distribution assembly defining elongate ink ducts from which ink transfer ports extend. The ink distribution assembly further defines a recess in which a laminated stack structure is received in fluid communication with the ink transfer ports. The laminated stack structure has layers between which ink channels in fluid communication with the ports are interleaved. The laminated stack defines at least one cavity in which respective ink ejection print head integrated circuits (ICs) can be received in fluid communication with the ink channels.