Abstract: A method for estimating three-dimensional positions of human joints includes the steps of: a) marker-free motion capturing a moving figure for obtaining a multiview 2D image of the moving figure, and extracting a 2D feature point corresponding to a bodily end-effector; b) three-dimensionally matching the 2D feature point corresponding to the bodily end-effector, and recovering the 3D coordinates of the bodily end-effector; c) generating a 3D blob of the bodily end-effector, generating a virtual sphere with a radius that is a distance from a center of the 3D blob to a joint, and projecting the virtual sphere onto the obtained multiview 2D image of the moving figure; and d) detecting a coinciding point of a surface of the projected virtual sphere and the multiview 2D image of the moving figure, and estimating a 3D position corresponding to the coinciding point as a 3D position of the joint.

Abstract: A data processing apparatus generates a memory address corresponding to a first memory, and interpolates data read out from the first memory. The data processing apparatus selects a part of the memory address, checks if the first memory stores data corresponding to the selected part of the memory address, and transfers the data, for which it is determined that the first memory does not store the data, and which corresponds to the part of the memory address, from a second memory to the first memory. The data processing apparatus determines to change a part to be selected of the memory address based on the checking result indicating that the first memory does not store the data corresponding to the selected part of the memory address, and changes the part of the memory address corresponding to the characteristics of the memory address.

Abstract: The present invention provides a method and system for displaying digital video. The CPU configures a space in the main memory for entries to record the displaying information in accordance with a video source in sequence and transfer the corresponding video data of the entries to the main memory. The flip controller informs the display controller to access the video data in the main memory in accordance the displaying information of the entries, and the display controller output the video data in the main memory to display in a screen.

Abstract: The present invention relates to managing information in a mobile communication terminal. Preferably, the present invention includes detecting whether a first memory is operationally connected to the mobile communication terminal, storing first attribute information related to data stored in the first memory in an internal memory of the mobile communication terminal with second attribute information stored in the internal memory, wherein the second attribute information is related to data stored in the internal memory, and arranging the first attribute information and the second attribute information in the internal memory in a sequence according to a specific reference.

Abstract: An embodiment is an interleaved video frame buffer structure that merges two separate chroma frame buffers into one chroma frame buffer by interleaving the individual chroma frame buffers. The merged chroma buffer, based on improved memory space adjacency versus two separate chroma frame buffers, may reduce the possibility of cache conflicts and improve cache utilization. Other embodiments are described and claimed.

Abstract: A graphics controller for animating an overlay is described. The graphics controller includes a host interface for communicating with an external processor and a plurality of registers in communication with the host interface. Logic is configured to periodically change coordinates of an overlay image. The logic responds to values stored in the registers to cause display registers containing the coordinates to be updated every x number of frame refreshes, wherein x is a positive integer.

Abstract: A system, method and computer program product for dynamically enhancing and measuring a software application, such as a video game, executing on a computing device, without having to change and recompile the original application code. The system includes a staging environment that monitors the execution of the application and indexes items of graphical and/or audio information generated by the application into a first database. A system administrator or other entity then populates a second database by manual or automated means with one or more business rules, wherein each business rule is associated with one or more of the objects indexed in the first database.

Abstract: The updating of only some memory locations in a multiple computer environment in which at least one applications program (50) executes simultaneously on a plurality of computers M1, M2 . . . Mn each of which has a local memory, is disclosed. Objects A and B in each local memory are disclosed which each include primitive fields (11). However, the simultaneous operation of the application program (50) can result in a “non-primitive” reference field (10) in one machine which must then be replicated in all other machines. However, the reference field (10) references another object (H) in the one machine's local memory so corresponding objects (T, K) must be created in the local memory of each other machine and be referenced by the corresponding non-primitive field (10).

Abstract: In a method of forming patterns for bead-inlaid plates original pictures such as photographs are used which are converted to digital, bitmapped representations. From such a representation a pattern is then produced by a user selecting an area of the represented picture, by dividing the picture using a grid of intersecting lines forming squares and then a color matching in each square. In an interactive process, the colors in the squares are modified.

Abstract: The application relates to a signal processing method in a dental radiology apparatus comprising an intraoral sensor that delivers at least one analog image output signal in response to an exposure of said sensor to x-rays, characterized in that it includes the following steps: conversion of said at least one analog image output signal into one digital image output signal, processing of the digital image output signal to obtain a report indicating the x-ray exposure level that has been used to deliver said analog output signal, the report indicating the exposure level corresponding to an exposure level classified as under-exposure, correct exposure or over-exposure, supply of the report indicating the exposure level used.

Abstract: A method is described of compositing graphic elements in a pixel-based renderer (18). A first graphic element is received (step 2601) having a first colour and a first opacity and a second graphic element is received (step 2602) having a second colour and a second opacity. A blend output is obtained from a blend function dependent on the first colour and the second colour; and a resultant colour is determined (step 2603) of a compositing operation on the first and second graphic elements, the resultant colour being dependent on the blend output and otherwise being independent of the second colour.

Abstract: A method includes obtaining a chromatic correction for a display device based on a device-dependent display profile. The method may ensure that images that appear on a display device in a soft proofing environment will be visually equivalent to images that appear on print media.

Abstract: A system that captures both whiteboard content and audio signals of a meeting using a digital camera and a microphone. The system can be retrofit to any existing whiteboard. It computes the time stamps of pen strokes on the whiteboard by analyzing the sequence of captured snapshots. It also automatically produces a set of key frames representing all the written content on the whiteboard before each erasure. The whiteboard content serves as a visual index to efficiently browse the audio meeting. The system not only captures the whiteboard content, but also helps the users to view and manage the captured meeting content efficiently and securely.

Abstract: A memory access technique, in accordance with one embodiment of the present invention, includes selectively overriding attributes contained in a translation lookaside buffer or page table data structure with attributes contained in a context specifier.

Abstract: A first light emission component is emitted which accounts for D % of the vertical cycle of a video signal in terms of duration and S % of the light emission intensity of a pixel over the vertical cycle. A second light emission component is emitted which accounts for (100?D)% of the vertical cycle in terms of duration and (100?S)% of the light emission intensity. Settings are made so that D and S meet a set of conditions A, 62?S<100, 0<D<100, and D<S; or a set of conditions B, 48<S<62 and D?(S?48)/0.23.

Abstract: A method of controlling a picture quality of a flat panel display device includes storing a first compensation data used to compensate a panel defect area of a display panel, wherein the first compensation data is judged by a first inspection process, storing a second compensation data used to compensate a boundary between the panel defect area and a non-defect area of the display panel, wherein the second compensation data is judged by a second inspection process; a first compensation step to modulate data using the first compensation data stored in a memory, wherein first modulated data are supplied to the panel defect area; a second compensation step to modulate data using the second compensation data stored in the memory, wherein second modulated data are supplied to the boundary of the panel defect area and the non-defect area; and displaying the second modulated data on the display panel.

Abstract: A method of enhancing the gray scale resolution of a PWM system. The method includes defining an N-bit PWM sequence with a length of 2N?1 units. The N-bit PWM sequence includes a least significant bit (LSB) segment characterized by a temporal length of one unit. In some embodiments, the temporal length of one unit is referred to as a time t0. The method also includes defining a fractional PWM sequence. The fractional PWM sequence includes the N-bit PWM sequence and a fractional bit segment of temporal length F. The temporal length of the fractional PWM sequence is 2N?1+F units. In a particular embodiment, F=1 and the temporal length of the fractional PWM sequence is 2N.

Abstract: A printer controller for supplying dot data to an inkjet printhead is provided. The printhead comprises a plurality of transversely aligned color channels. Each color channel comprises at least one nozzle row extending longitudinally along the printhead with each nozzle in a color channel ejecting the same colored ink. The printhead is comprised of a plurality of printhead modules with each printhead module comprising a respective segment of each nozzle row. The printer controller is programmed to supply dot data such that each of the printhead modules fires a respective segment within a predetermined segment-time, wherein at least one of the fired segments is contained in a different color channel from at least one other of the fired segments.

Abstract: A printhead system comprising an inkjet printhead and a printer controller for supplying dot data to the printhead is provided. The printhead comprises a plurality of first nozzles and a plurality of second nozzles supplied with a same colored ink. The first nozzles and second nozzles are configured in a plurality of sets, wherein each set of nozzles comprises one first nozzle and one corresponding second nozzle. Each nozzle in a set is configurable by the printer controller to print a dot of the ink onto a substantially same position on a print medium. The printer controller is programmed to supply dot data such that the first nozzles and the second nozzles each contribute dots to a line of printing.

Abstract: A printhead system comprising an inkjet printhead and a printer controller for supplying dot data to the printhead is provided. The printhead comprises a plurality of transversely aligned color channels, each color channel comprising at least one nozzle row extending longitudinally along said printhead. Each nozzle in a color channel ejects the same colored ink. The printhead is comprised of a plurality of printhead modules with each printhead module comprising a respective segment of each nozzle row. The printer controller is programmed to supply dot data such that each of the printhead modules fires a respective segment within a predetermined segment-time. At least one of the fired segments is contained in a different color channel from at least one other of the fired segments.

Abstract: A printer controller for supplying dot data to an inkjet printhead is provided. The printhead comprises a plurality of first nozzles and a plurality of second nozzles supplied with a same colored ink. The first nozzles and second nozzles are configured in a plurality of sets, wherein each set of nozzles comprises one first nozzle and one corresponding second nozzle. Each nozzle in a set is configurable by the printer controller to print a dot of the ink onto a substantially same position on a print medium. The printer controller is programmed to supply dot data such that the first nozzles and the second nozzles each contribute dots to a line of printing.

Abstract: A method of printing a line of dots from an inkjet printhead is provided. The printhead comprises a plurality of first nozzles and a plurality of second nozzles supplied with a same colored ink. The first nozzles and second nozzles are configured in a plurality of sets, wherein each set of nozzles comprises one first nozzle and one corresponding second nozzle. Each nozzle in a set is configurable to print a dot of the ink onto a substantially same position on a print medium. The method comprises printing a line of dots across the print medium such that the first nozzles and the second nozzles each contribute dots to the line.

Abstract: A method and apparatus are provided for compensating for the degradation of a print image due to a malfunctioning nozzle that irregularly ejects ink. A malfunctioning nozzle is detected among nozzles installed in an inkjet image forming apparatus, and image data of a print position adjacent to a compensation position printed by the malfunctioning nozzle is exchanged for image data of a print position in an interest or inspection region near the compensation position. Accordingly, degradation of print quality, such as, for example, an unintended visible white band, can be prevented and the lifetime of the printhead can be lengthened.

Abstract: An object of the present invention is to provide a recording apparatus in which the occurrence of smearing and bleeding in the borders between black and color pixels can be reduced, and in which high-quality black characters and black images can be recorded. Black adjacent pixels, in which pixels adjacent to their periphery are black pixels, and color adjacent pixels, which are composed of pixels wherein pixels adjacent to their periphery are recorded with colored ink, are extracted from each pixels constituting a black image, and color ink data is created so that color ink is applied according to a certain ratio for the black adjacent pixels or color adjacent pixels. The occurrence of smearing and bleeding is suppressed by performing recording according to original data and the created color ink data.

Abstract: Printing of an image onto a printing medium is effected such that applied ink materials do not rub off. In the event of a printing mode in which the surface printed with an image is subject to rubbing, the kinds of ink used are limited so that the amount of pigment applied to printing image at least for a part of the side of the printing medium is decreased.

Abstract: A method of modulating a peak power requirement of an inkjet printhead is provided. The printhead comprises a plurality of first nozzles and a plurality of second nozzles supplied with a same colored ink. The first nozzles and second nozzles are configured in a plurality of sets, wherein each set of nozzles comprises one first nozzle and one corresponding second nozzle. Each nozzle in a set is configurable to print a dot of the ink onto a substantially same position on a print medium. The method comprises the steps of: (a) selecting a firing nozzle from at least one set of nozzles, the selection being on the basis of modulating the peak power requirement; and (b) printing a dot onto said print medium using said firing nozzle.

Abstract: A printing method includes: preparing a drive element that corresponds to a nozzle, and a controller that drives the drive element so as to eject a liquid droplet from the nozzle, the controller having a first input section and a second input section; in the case of printing with a first number of gradations, driving the drive element based on a first signal and a second signal, by inputting the first signal to the first input section and inputting the second signal to the second input section; and in the case of printing with a second number of gradations that is lower than the first number of gradations, driving the drive element based on a first signal, by inputting the first signal to the first input section and inputting a signal of a constant potential to the second input section.

Abstract: Printing apparatus 20 comprises a contact detection terminal 101, a cartridge detection circuit M10a, a for-senor terminal 104 and a sensor driving circuit M20, wherein the terminal 101 contacts to detection terminal 116 of ink cartridge 70 when the ink cartridge 70 is attached thereto, wherein the circuit M10a detects contact or non-contact between the terminal 116 and the terminal 101, wherein the terminal 104 outputs high voltage, wherein the circuit M20 controls voltage outputted from terminal 104. The cartridge detection circuit M10a also has a function of shorting detector for detecting contact between the contact detection terminal 101 and the for-senor terminal 104. In the case that the shorting is detected, the sensor driving circuit M20 redeces or interrupts the voltage outputted from terminal 104.

Abstract: A method of modulating a peak power requirement of an inkjet printhead is provided. The printhead comprises a plurality of transversely aligned color channels, each color channel comprising at least one nozzle row extending longitudinally along said printhead. Each nozzle in a color channel ejects the same colored ink. The printhead is comprised of a plurality of printhead modules, each printhead module comprising a respective segment of each nozzle row. The method comprising each of the printhead modules firing a respective segment within a predetermined segment-time, wherein at least one of the fired segments is contained in a different color channel from at least one other of the fired segments.

Abstract: A method of fabricating inkjet print heads usable in an ink jet printer. The method of fabricating ink jet print heads includes preparing a plurality of ink jet print heads on a wafer while forming sub sidewalls around the ink jet print heads when the ink jet print heads are being prepared, attaching protection films onto the sub sidewalls of the wafer and the ink jet print heads, and dicing the ink jet print heads and detaching the individual ink jet print heads from the wafer. In the method, the ink jet print heads are diced in a wafer unit. Particularly, connect pads of the ink jet print heads can be prevented from being contaminated by the protection films.

Abstract: A micro-fluid ejection device structure and method therefor having improved low energy design. The devices includes a semiconductor substrate and an insulating layer deposited on the semiconductor substrate. A plurality of heater resistors are formed on the insulating layer from a resistive layer selected from the group consisting of TaAl, Ta2N, TaAl(O,N), TaAlSi, Ti(N,O), WSi(O,N), TaAlN, and TaAl/TaAlN. A sacrificial layer selected from an oxidizable metal and having a thickness ranging from about 500 to about 5000 Angstroms is deposited on the plurality of heater resistors. Electrodes are formed on the sacrificial layer from a first metal conductive layer to provide anode and cathode connections to the plurality of heater resistors. The sacrificial layer is oxidized in a plasma oxidation process to provide a fluid contact layer on the plurality of heater resistors.

Abstract: A method of assembling a gear arrangement for a capper of an inkjet printer, the method comprising the steps of: mounting a first gear assembly to the printer so as to cooperate with a motor gear for driving rotation of the first gear assembly, the first gear assembly having a code feature; and mounting a second gear assembly the printer so as to cooperate with the first gear assembly to be rotatable therewith, the second gear assembly, in use, cooperating with a capper for capping a printhead so that the rotation of the second gear assembly moves the capper out of and into its capping position, wherein in the step of mounting the second gear assembly the code feature of the first gear assembly is arranged to cooperate with a holding feature of a mounting arrangement used to mount the second gear assembly to the printer, the code feature being configured so that the cooperation with the holding feature maintains the first gear assembly at a predetermined position during the mounting of the second gear assembl

Abstract: An inkjet printer comprising: an elongate shaft arranged, in use, to rotate so as to move a capper for capping a pagewidth printhead out of and into its capping position; a support frame for supporting the shaft at the longitudinal first and second ends of the shaft so as to allow the rotation of the shaft; and fixing means for fixing the shaft to the support frame at the first end of the shaft, the fixing means comprising: a bearing into which the first end of the shaft is positioned for allowing the rotation of the shaft; and engagement means arranged to slidably engage with the support frame so as to fix the shaft thereto, the bearing being configured to allow pivotal movement of the elongate shaft about the second end of the shaft during the sliding engagement of engagement means and support frame.

Abstract: A method of assembling a capping mechanism of an inkjet printer, the method comprising the steps of: providing a support frame for at least one elongate shaft; positioning the shaft so as to be supported at its longitudinal first and second ends by the support frame; positioning a bearing of a fixing plate about the first end of the shaft, the bearing being configured to allow rotation of the shaft, the rotation providing transport of a capper out of, and into, a capping position on a pagewidth printhead; and slidably engaging the fixing plate with the support frame so as to fix the shaft thereto, wherein, during the sliding engagement, the elongate shaft pivots about the second end due to the configuration of the bearing.

Abstract: A printing cartridge comprising: a body configured to removably engage with an inkjet printer; a printhead assembly mounted to the body, the printhead assembly comprising at least one printhead integrated circuit having a plurality of ink ejection nozzles and a support member mounting the, or each, printhead integrated circuit, the nozzles being operated, in use, to print on media by ejecting ink thereon; and a capping mechanism for capping the nozzles during non-operation; and a mounting arrangement for commonly mounting the printhead assembly and capping mechanism to the body, the support member of the printhead assembly being directly mounted to the body and the capping mechanism being directly mounted to the support member.

Abstract: An inkjet image forming apparatus includes an inkjet head having a nozzle unit having a length in a main scanning direction corresponding to a width of a printing medium, a capping unit to move to a capping position to cap the nozzle unit and an uncapping position for a printing. The capping unit includes a cap member having a spitting hole and covering the nozzle unit, an absorbing member to absorb an ink passing through the spitting hole, and a support member disposed at a position where the cap member and the absorbing member are installed, the support member receiving the ink spitted.

Abstract: The liquid ejection apparatus includes: a liquid ejection head which has a nozzle surface including a plurality of nozzles; a cap device which comes in contact with the nozzle surface of the liquid ejection head and enables liquid inside the nozzles to be suctioned or pressurized; and a selection device which selects whether or not the liquid inside the nozzles is suctioned or pressurized, for each of at least two nozzle groups into which the nozzles are divided.

Abstract: A printhead maintenance assembly for maintaining a printhead in an operable condition is provided. The maintenance assembly comprises: (i) a printhead maintenance station comprising an elastically deformable maintenance belt having a contact surface for sealing engagement with an ink ejection face of the printhead, the contact surface being sloped with respect to the face, and a conveyor mechanism for conveying the belt past the face; and (ii) an engagement mechanism for reciprocally moving the belt between a first position in which part of the contact surface is sealingly engaged with the face and a second position in which the contact surface is disengaged from the face.

Abstract: A method of maintaining a printhead in an operable condition and/or remediating a printhead to an operable condition is provided. The method comprises the steps of: (i) providing an elastically deformable maintenance belt having a contact surface for sealing engagement with an ink ejection face of the printhead, the contact surface being sloped with respect to the face; (ii) moving the belt into a first position in which a clean part of the contact surface is sealingly engaged with the face, the movement being such that the contact surface progressively contacts the face during engagement; (iii) moving the belt into a second position in which the contact surface is disengaged from the face, the movement being such that the contact surface peels away from the face, thereby providing an inked part of the contact surface; (iv) conveying the belt such that the inked part of the contact surface is conveyed away from the printhead; and (v) optionally repeating steps (ii) to (iv).

Abstract: A method of maintaining a printhead in an operable condition and/or remediating a printhead to an operable condition is provided. The method comprises the steps of: (i) providing an endless maintenance belt having a contact surface for sealing engagement with an ink ejection face of the printhead; (ii) moving the belt into a first position in which a clean part of the contact surface is sealingly engaged with the face; (iii) moving said belt into a second position in which the contact surface is disengaged from the face, thereby providing an inked part of the contact surface; (iv) conveying the belt such that the inked part of the contact surface is conveyed away from the printhead and past a cleaning station, the cleaning station cleaning the inked part of the contact surface; and (v) optionally repeating steps (ii) to (iv).

Abstract: A method and apparatus are provided for cleaning a first set and a second set of a staggered full-width array printhead assembly (SFWA) in an inkjet printer.

Abstract: A printhead maintenance station for maintaining a printhead in an operable condition is provided. The maintenance station comprises: an elastically deformable maintenance belt having a contact surface for sealing engagement with an ink ejection face of the printhead, the contact surface being sloped with respect to the face; and a conveyor mechanism for conveying the belt past the face. The belt is reciprocally movable between a first position in which part of the contact surface is sealingly engaged with the face, and a second position in which the contact surface is disengaged from the face.

Abstract: A printhead maintenance station for maintaining a printhead in an operable condition is provided. The maintenance station comprises: an endless maintenance belt having a contact surface for sealing engagement with an ink ejection face of the printhead; a cleaning station for cleaning the belt; and a conveyor mechanism for conveying the belt past the face and past the cleaning station. The belt is reciprocally movable between a first position in which part of the contact surface is sealingly engaged with the face, and a second position in which the contact surface is disengaged from the face.

Abstract: In order to simplify a constitution of a locking member capable of locking engageably and detachably an ink head with a stationary region, an ink-jet printer comprises a first carriage supported relatively transferable in a predetermined direction with respect to the medium; a second carriage supported relatively transferable in the predetermined direction with respect to the medium and juxtaposed so as to position on a side in the predetermined direction of the first carriage; a slide means disposed on the first carriage to be transferable in a direction intersecting with the predetermined direction; an ink head disposed fixedly on the slide means and capable of discharging an ink on the medium; a cutting head disposed fixedly on the second carriage and capable of cutting out the medium; a locking member transferred with transfer of the first carriage towards the predetermined direction and transfer of the slide means towards direction intersecting with the predetermined direction to lock engageably and deta

Abstract: An imaging apparatus is disclosed that includes a carriage that moves back and forth along the main scanning direction, plural recording heads mounted on the carriage that discharge recording liquid, a guide that guides the carriage in the main scanning direction, a power source and a drive pulley that drive the carriage to move in the main scanning direction, a driven pulley that transmits the drive power from the power source to the carriage, and a motion transmitting element that is arranged over the drive pulley and the driven pulley. The carriage is forced toward the guide by a tension generated by deflecting an extending direction of the motion transmitting element.

Abstract: An ink-jet head has a plurality of nozzles formed on an ink-jetting surface, a plurality of manifolds, and a plurality of individual ink channel groups each of which includes a plurality of individual ink channels communicating with nozzles and one of the manifolds. Symmetric-centers of multiple nozzles with respect to one of the individual ink-channel groups are aligned in a predetermined direction. Further, when these nozzles are shifted on the ink-jetting surface such that the symmetric-centers are coincident with one another, then central axis points of the nozzles are mutually different in location. With this, there is provided an ink-jet head which makes it possible to print an image with high image-quality at a high speed.

Abstract: Mask patterns to be used for multi-pass printing make it possible to make a print with a higher quality at a higher speed. Specifically, by performing a swapping process with adjacency forbiddance, two points in the horizontal direction, or the scanning direction of a printing head, are selected in a buffer in which codes for each scan pass are set depending on printing ratios of a gradation mask. Subsequently, codes are swapped between the two points. By this swap, adjacencies between print permitting areas are eliminated in the mask pattern. As a result, when driving frequencies set for the printing head is kept constant, the scanning speed can be doubled at minimum.

Abstract: In a printer, a first section is sized to accommodate a rolled sheet therein. A printing head is horizontally movable along a moving path extending in a first direction and operable to perform printing on a part of the rolled sheet which is drawn out from the first section. A second section is provided on a first side of the first section relative to the first direction. A third section is provided on a second side of the first section relative to the first direction opposite to the first side. A control board on which a circuit operable to control an operation of the printer is mounted is disposed in the first section so as to extend vertically. An ink supplying member is disposed in the third section that supplies ink to the printing head. The moving path is longer than a dimension of the first section in the first direction.

Abstract: An inkjet image forming apparatus. The inkjet image forming apparatus includes a platen to support a bottom side of paper. The platen includes a plurality of supporting portions facing the inkjet head to support a bottom side of a paper and a plurality of depressed portions depressed with a downward slope from sides of the supporting portions.

Abstract: A method for modifying an input digital image having one or more color channels, each color channel having an (x,y) array of image pixel values, to form a modified digital image so that when the modified digital image is used to produce a printed image on an inkjet printer there are reduced ink bleed artifacts.