Abstract: A reading device includes a main body section, a cover configured to be opened and closed with respect to the main body section, a transport path constructed by the main body section and the cover, a roller that transports an original document, a glass plate arranged on the transport path, and a reading section that performs reading by receiving light through the glass plate, a display section, and a control section, and the control section causes the display section to display a device image in which a stain corresponding region corresponding to a position of the stain on the glass plate is specified in a glass plate image region expressing the glass plate, the device image being an image depicting the reading device in a state where the cover is opened and a configuration including a part of the transport path, the roller, and the glass plate is exposed.

Abstract: Systems, methods, and computer-readable media for providing tools to validate color contrast are provided. To do so, three discrete color check processes are performed to ensure a user is able to identify when an icon is at risk of being inaccessible by some users. A border score considers each pixel at the edge of an icon compared to the background in which it is placed. An area score considers each discrete pixel of an icon compared to the background in which it is placed. A grid score considers a subdivision of an icon compared to the background in which it is placed. Using each of these three independent process, a summative score is provided. The summative score categories the icon into a risk level. Depending on the risk level, the icon may need to be refined to ensure it becomes more accessible.

Abstract: Automotive lighting unit is provided that includes a lighting device equipped with one or more OLED light sources, and an electronic device configured to determine a malfunctioning condition of an OLED light source. The electronic device is suitable to determine a leakage resistance of the OLED light source and determines a malfunctioning condition of the OLED light source based on the leakage resistance.

Abstract: According to one embodiment, a display device includes a display area including a liquid crystal layer disposed in a display area, the liquid crystal layer including a polymer and a liquid crystal molecule, wherein when a direction of light incident on the display area from a light source element is defined as an incident direction and a direction in which pixels are selected sequentially is defined as a scan direction, the incident direction is opposite to the scan direction, and a direction in which the polymer extends linearly crosses both the incident direction and the scan direction.

Abstract: In an information display apparatus and method, images of a plurality of planar objects disposed in a virtual space are generated based on texture information of each of the objects, viewpoint information, and surrounding environment information, and combined to generate a display image. The virtual space is a simulation of a space in which a display device is placed, the objects are disposed in parallel with a plane in the virtual space corresponding to a display screen of the display device. The texture can be expressed with a small quantity of data and a small memory size, and an image which has a good reality can be displayed with a good responsiveness to the motion of the observer.

Abstract: The method of forming a three-dimensional object includes: a first forming process of causing a nozzle to eject a forming material onto a forming surface of a forming base and forming a first portion and a second portion such that the first portion and the second portion are away from each other in a first direction in parallel to the forming surface; a curing process of curing the first portion and the second portion; and a second forming process of causing the nozzle to eject the forming material between the first portion and the second portion and forming a third portion that has a shape that successively connects an end surface of the first portion in the first direction to an end surface of the second portion in the first direction, after the curing process.

Abstract: There is provided with an image processing apparatus for extracting an object region from an image. An image acquisition unit acquires an image. A designation acquisition unit acquires designation of one or more extraction colors that belong to the object region of the image and designation of one or more non-extraction colors that do not belong to the object region of the image. A derivation unit derives a color conversion parameter, based on the extraction color and the non-extraction color. A conversion unit converts a color of the image based on the color conversion parameter. An extraction unit extracts the object region from the image, based on the image and the extraction color after the conversion.

Abstract: A display method includes displaying, in a virtual environment, an object to which a light source is set. The method further includes illuminating an area around the object based on the light source.

Abstract: This application discloses a driving method and a driving apparatus of a display device. The driving method comprises: acquiring a target color system which is to-be-adjusted, acquiring color shift grayscales corresponding to a color shift generated by the target color system, acquiring original grayscales corresponding to the target color system in an input signal, deleting a portion of color shift grayscales in the original grayscales, obtaining mapping grayscales corresponding to the target color system, adopting a high-bit drive semiconductor element or a frame ratio control, and outputting a signal of the mapping grayscales corresponding to the target color system.

Abstract: A pixel arrangement structure, a display substrate and a display device. The pixel arrangement structure includes: a plurality of first sub-pixels and a plurality of sub-pixel groups arranged in an array, wherein the plurality of first sub-pixels and the plurality of sub-pixel groups are alternately arranged along a first direction to form pixel rows, and are alternately arranged along a second direction intersected with the first direction to form pixel columns; each of the plurality of sub-pixel groups includes a second sub-pixel, a third sub-pixel and another second sub-pixel sequentially arranged along the first direction; in the same pixel row, a ratio of a distance between the geometric centers of each second sub-pixel and the adjacent third sub-pixel to a distance between the geometric centers of each first sub-pixel and the third sub-pixel in the adjacent sub-pixel group is greater than or equal to ¼ and less than ½.

Abstract: Systems and methods are disclosed for image signal processing. For example, systems may include an image sensor and a processing apparatus. The image sensor captures image data using a plurality of selectable exposure times. The processing apparatus receives a first image from the image sensor captured with a first exposure time and receives a second image from the image sensor captured with a second exposure time that is less than the first exposure time. A high dynamic range image is determined based on the first image and the second image, wherein an image portion of the high dynamic range image is based on a corresponding image portion of the second image when a pixel of a corresponding image portion of the first image is saturated. An output image that is based on the high dynamic range image is stored, displayed, or transmitted.

Abstract: A non-uniform illumination pattern is determined with a display panel of a display device. The non-uniform illumination pattern comprises different values of the one or more illumination properties in first and second spatial regions of the display panel. An illumination compensation pattern is generated based at least in part on the non-uniform illumination pattern. The illumination compensation pattern is configured to homogenize values of the illumination properties in a plurality of spatial regions of the display panel that include the first and second spatial regions, and implemented in the display device.

Abstract: A display assembly displays a virtual object in a select location wherein an eye viewing the virtual object has an expected gaze direction. Deformation of the display assembly is detected. The deformation causes the virtual object to be viewable in an altered location wherein the eye has altered gaze direction. The virtual object may be displayed in a corrected location wherein the eye viewing the virtual object in the correct location has a corrected gaze direction that is moved closer to the expected gaze direction than the altered gaze direction.

Abstract: This application discloses a graphics processing method and related apparatus, and a device. The method includes: obtaining a first drawing instruction that is initiated by an application program and that corresponds to a first graphics API; calling a first graphics API in a first graphics library according to the first drawing instruction to execute the first drawing instruction, and sending a first processing notification to the application program; generating calling information of the first graphics API; and sending the calling information of the first graphics API to the client. According to the foregoing solutions, the server unidirectionally transmits calling information of a graphics API to the client, so that a requirement for a network latency can be reduced, and proper running of the application program on the server can be ensured in a disconnected network, thereby improving user experience.

Abstract: The present disclosure provides a method for detecting ambient light intensity, a storage medium and an electronic device. The method for detecting ambient light intensity includes: controlling a preset region of a display screen of an electronic device to display a predetermined picture; obtaining an ambient light intensity value detected by the ambient light sensor; and controlling the display screen to respond according to the ambient light intensity value. The preset region is a region facing an ambient light sensor in the display screen. The predetermined picture is a pure color picture.

Abstract: A backlight source of a backlight module of a display device is divided into N*M regions. A backlight driving device includes: an MCU configured to acquire backlight data about the N*M regions corresponding to a current display image of the display device and transmit the backlight data about the N*M regions to a backlight source driving circuitry in a one-tone manner; and the backlight source driving circuitry including M PWM outputs and N registers corresponding to each PWM output. The N*M registers of the backlight source driving circuitry correspond to the N*M regions respectively. The backlight source driving circuitry is configured to receive backlight data about the N*M regions from the MCU, and write the backlight data about each region into a corresponding register, so as to control luminance of the corresponding region in accordance with the backlight data.

Abstract: An electronic device is disclosed. The electronic device includes a communication unit; a storage for storing a plurality of images obtained by respectively capturing multiple display modules disposed in a display panel of a display apparatus which displays a predetermined image; and a processor for calculating a target value for at least one of the brightness and color of each of a plurality of sub-pixels constituting the display panel, based on the plurality of images, calculating a correction coefficient for correcting at least one of the brightness and color of each of the multiple sub-pixels to the target value, and controlling the communication unit to transmit the calculated correction coefficient to the display apparatus.

Abstract: A computer device for communicating an emergency notification receives an alarm notification from a detection device. The alarm notification corresponding to an alarm condition sensed by the detection device within a space. The computer device detects an alarm condition location of the alarm condition based on a detection device location of the detection device. The computer device determines an exit location of an exit to avoid the alarm condition that triggered the alarm notification. The computer device determines an egress path within the space to avoid the alarm condition based on the exit location and the alarm condition location. The computer device transmits a plurality of commands to a plurality of notification devices within the space to trigger output of an egress notification in a coordinated pattern to identify the egress path. The plurality of commands trigger audible outputs by the plurality of notification devices.

Abstract: A projection system including a first projection device and a first image capturing device is provided. The first projection device projects a first projection image. The first projection image includes a plurality of different color lights and has color blocks of different brightnesses formed by the plurality of different color lights. The first image capturing device captures the first projection image to generate a first captured image. The first image capturing device includes a first processor. The first processor converts the first captured image into a first converted image according to a first conversion matrix. A color gradation adjustment operation is performed on the first converted image to output an adjustment signal, and the first projection device adjusts the projected first projection image according to the adjustment signal. An image color correction method is also provided.

Abstract: A color profile adjustment method adapted to an electronic device includes: obtaining a first current color profile of a first screen which is externally connected to the electronic device; determining whether the first current color profile is the same as a second current color profile of a second screen of the electronic device; and when it is determined that the first current color profile is different than the second current color profile, outputting an adjustment command to the first screen, so that the first screen adjusts the first current color profile according to the adjustment command.

Abstract: The present application discloses a display panel (1) and a driving method thereof, and a display device. The display panel (1) includes: a plurality of first pixel units (11) and at least one second pixel unit (12), wherein each of the first pixel units (11) and the second pixel unit (12) includes a plurality of sub-pixels; each of the sub-pixels in the first pixel unit (11) is in one sub-pixel region, and there are two of the sub-pixels in the first pixel unit (11) whose emission colors are a first color; and the plurality of sub-pixels in the second pixel unit (12) is in a plurality of sub-pixel regions arranged in an array, there are two adjacent sub-pixels in the second pixel unit (12) whose emission colors are the first color, and the two adjacent sub-pixels are in the same sub-pixel region.

Abstract: An electronic device comprises an electronic display having an active area having a pixel. The electronic device also comprises processing circuitry configured to receive image data to send to the pixel and adjust the image data to generate corrected image data based at least in part on a stored correction value for the pixel. The processing circuitry also is configured to generate a test data to send to the pixel subsequent to sending corrected image data to the pixel, wherein the test data is selected based upon a comparison of at least one aspect of the corrected image data with a threshold value.

Abstract: Input scene images are captured from an original scene. The input scene images may be represented in an input color space. The input scene images are converted into color-space-converted scene images in one of an LMS color space, an ICtCp color space, etc. Scene light levels represented in the color-space-converted scene images are mapped, based at least in part on an optical transfer function, to mapped light levels. A tone mapping is applied to the mapped light levels to generate corresponding display light levels to be represented in display images. The display images may be rendered on a target display.

Abstract: Apparatuses and methods for displaying a 3-D representation of an object are described. Apparatuses can include a rotatable structure, motor, and multiple light field sub-displays disposed on the rotatable structure. The apparatuses can store a light field image to be displayed, the light field image providing multiple different views of the object at different viewing directions. A processor can drive the motor to rotate the rotatable structure and map the light field image to each of the light field sub-displays based in part on the rotation angle, and illuminate the light field sub-displays based in part on the mapped light field image. The apparatuses can include a display panel configured to be viewed from a fiducial viewing direction, where the display panel is curved out of a plane that is perpendicular to the fiducial viewing direction, and a plurality of light field sub-displays disposed on the display panel.

Abstract: A video display apparatus includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-dependent change in the maximum luminance of the video.

Abstract: A color difference adjustment image data generation method includes generating a color signal conversion table, generating adjusted image data, and generating color difference adjustment image data. The color signal conversion table is used for converting color signals in one of a color difference adjustment image data generating device and a display device into color signals in the other. The adjusted image data is generated by adjusting image data of a display object so that color of an image of the display object being displayed by the color difference adjustment image data generating device according to the image data matches color of the display object. The color difference adjustment image data is generated based on the adjusted image data and the color signal conversion table.

Abstract: A system and method for scanning an environment and generating an annotated 2D map is provided. The system includes a 2D scanner having a light source, an image sensor and a first controller. The first controller determines a distance value to at least one of the object points. The system further includes a 360° camera having a movable platform, and a second controller that merges the images acquired by the cameras to generate an image having a 360° view in a horizontal plane. The system also includes processors coupled to the 2D scanner and the 360° camera. The processors are responsive to generate a 2D map of the environment based at least in part on a signal from an operator and the distance value. The processors being further responsive for acquiring a 360° image and integrating it at a location on the 2D map.

Abstract: A display device provides for row based brightness uniformity compensation. The display device includes a display panel and a row driver connected to the display panel. The display panel includes a first pixel row and a second pixel row. The row driver provides first signals to the first pixel row to drive the first pixel row using a first time interval for a first subframe of a first pulse width modulation (PWM) frame of the first pixel row. The row driver provides second signals to the second pixel row to drive the second pixel row using a second time interval for a second subframe of a second PWM frame of the second pixel row. The first time interval may be different from the second timer interval, such as to provide for uniform brightness of light emission across the first and second pixel rows.

Abstract: Embodiments related to local tone mapping for symbol reading. A local pixel neighborhood metric is determined for at least one raw pixel in a region-of-interest, which identifies on one or more raw pixels near the at least one raw pixel. A local mapping function is determined for the at least one raw pixel that maps the value of the raw pixel to a mapped pixel value with a mapped bit depth that is smaller than the bit depth associated with the raw image. The local mapping function is based on a value of at least one other raw pixel near the at least one raw pixel within the local pixel neighborhood metric, and at least one parameter determined based on the raw image. A mapped image is computed for the region-of-interest by applying the local mapping function to the raw image.

Abstract: A display device includes a display unit comprising a plurality of pixels disposed in a display area, the display area comprising a first area and a second area; a gamma voltage supply including gamma voltage generators that are configured to generate respective ones of gamma voltage sets; and a data driver configured to convert image data into data signals using the gamma voltage sets, supply the data signals to the pixels, generate the data signals corresponding to the first area and the second area using a first group comprising some of the gamma voltage generators in a first mode, and generate the data signals corresponding to the second area using a second group comprising different gamma voltage generators from the first group in a second mode.

Abstract: A projection apparatus and a projection method thereof are provided. The projection apparatus includes a frame refresh rate conversion chip, a spatial light modulation circuit and a control circuit. The frame refresh rate conversion chip performs frame refresh rate conversion on a first video signal to generate a second video signal. The control circuit is coupled to the frame refresh rate conversion chip and the spatial light modulation circuit, and adjusts a resolution and a frame refresh rate of a projected image generated by the spatial light modulation circuit according to a frame refresh rate of the second video signal.

Abstract: The present disclosure generally relates to the field of detection technology. A sensor includes a base substrate; a voltage dividing photodiode on the base substrate; and a detecting photodiode on the base substrate. The voltage dividing photodiode may include a first electrode and a second electrode arranged in a stack. The detecting photodiode may include a third electrode and a fourth electrode arranged in a stack. The voltage dividing photodiode is configured to operate substantially permanently in a dark state. The detecting photodiode is configured to operate with a reverse bias applied by the first power terminal and the second power terminal, so as to detect a light intensity.

Abstract: A method for designing a product comprising physical hardware and a controller for controlling the physical hardware includes generating a detailed hardware model describing the physical hardware and a controller model corresponding to the controller based on a set of user requirements. An optimal design of the physical hardware and the controller is determined by solving a multi-objective optimization problem comprising a first objective function defining hardware design objectives, and a second objective function defining objectives for the controller model for the physical hardware.

Abstract: Described herein is a color calibration system and method including a display device including a non-volatile memory, a display screen, and a target sensor. The system and method further can include a computing system in communication with the display device and including a processor, a persistent memory, a temporary memory, and a reference sensor. A calibration matrix can be derived using the reference and target data captured by the target and reference sensors. The calibration matrix can be used to calibrate the target sensor using the calibration matrix.

Abstract: A device configured to emulate a triangle lattice correlithm object generator includes multiple processing stages that operate together to output a triangle lattice correlithm object. A triangle lattice correlithm object has a generally triangular shape and is formed by a first sub-lattice correlithm object, a second sub-lattice correlithm object that is some number of bits away from the first sub-lattice correlithm object in n-dimensional space, and a third sub-lattice correlithm object that is some number of bits away from the second sub-lattice correlithm object in n-dimensional space.

Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.

Abstract: A plurality of event inputs, each corresponding to a unique occurrence of an event within a time period, are received by a processor from one or more event status reporting units is provided. The time period includes an ordered sequence of time slots. The event inputs are grouped into event clusters. Each event cluster corresponds to a unique time slot and includes the event inputs that occurred within the corresponding time slot. The event inputs within a given event cluster are temporally arranged for each of the event clusters. A total count of the event inputs within the given event cluster is determined. Finally, for each of the event clusters, a first representation of the total count and a second representation of the temporal distribution of events along with an indication of the corresponding time slot are displayed simultaneously and distinctly on a display unit.

Abstract: The local dimming method includes: dividing a digital image into multiple blocks and calculating a backlight parameter of each of the blocks; performing a backlight simulation based on the backlight parameters to calculate source brightness of each pixel; quantifying the backlight parameters into multiple reference backlight parameters according to numerical ranges; performing the backlight simulation based on the reference backlight parameters to calculate reference source brightness of each pixel; for each of the pixels, setting a gain of the pixel to be less than or equal to a first value if the corresponding reference source brightness is equal to the darkest backlight parameter, otherwise determining the gain of the pixel according to a ratio of the source brightness to the reference source brightness; adjusting grey levels of the pixels according to the gains to obtain adjusted grey levels and driving the display panel according to the adjusted grey levels.

Abstract: Methods and systems for aiding users in generating object pattern designs with increased speed. In particular, one or more embodiments train a sequence-based machine-learning model using training objects, each training object including a plurality of regions with a plurality of design elements. One or more embodiments identify a plurality regions of an object with a first region adjacent a second region. One or more embodiments receive a user selection of a design element for populating the first region with a first design element from a plurality of design elements. One or more embodiments identify a second design element from the plurality of design elements based on the first design element using the trained sequence-based machine-learning model. One or more embodiments also populate the second region with one or more instances of the second design element.

Abstract: A driving and controlling method and a circuit thereof are provided. The method includes: sending, by a primary controller, a first signal that includes a first type of pulse sequence and a second type of pulse sequence; receiving the first signal, by a secondary controller, and identifying a pulse type of the first signal; when a first type of pulse is detected, the secondary controller outputs multiple switching signals to respectively control multiple switching elements to turn off; when a second type of pulse is detected, the secondary controller outputs multiple switching signals to respectively control multiple switching elements to work as normal. A level of the first signal is maintained constant between the first type of pulse sequence and the second type of pulse sequence. The disclosure features cost-efficiency and low driving delay.

Abstract: A method of micro-transfer printing comprises providing a component source wafer and components disposed in, on, or over the component source wafer. A destination substrate and a stamp for transferring the components from the component source wafer to the destination substrate is provided. The component source wafer has an attribute or structure that varies across the component source wafer that affects the structure, operation, appearance, or performance of the components. A first array of components is transferred from the component source wafer to the destination substrate with a first orientation. A second array of components is transferred from the component source wafer to the destination substrate with a second orientation different from the first orientation. Components can be transferred by micro-transfer printing and different orientations can be a different rotation, overlap, interlacing, or offset.

Abstract: A substrate surface defect detection device includes an optical waveguide for receiving first light and directing the received first light to a surface of a to be tested substrate, the optical waveguide having a first surface facing toward the substrate and a second surface facing away from the substrate, a microlens array disposed on the second surface of the optical waveguide, the microlens array including a plurality of microlenses arranged in an array for receiving second light from the surface of the to be tested substrate and converging the received second light to converged light, and an imaging component for receiving the converged light from the at least one microlens array for optical imaging. The substrate surface defect detection device requires significantly less time than conventional substrate surface defect detection devices.

Abstract: A display device and a white balance adjusting method of the display device are provided. The white balance adjusting method comprises the following steps: measuring a stimulus value of each of gray scales of each of pixels of a panel; defining a highest voltage of each of the pixels at a maximum of the stimulus value; re-defining a white highest voltage using a first white balance pixel look-up table according to the highest voltage of each of the pixels; defining a target value for a white balance color pixel degree adjustment according to the white highest voltage and a corresponding white chromaticity; and acquiring an adjusted second white balance pixel look-up table to complete a white balance adjustment of the display device.

Abstract: A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command and control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable.

Abstract: One or more window characteristics of at least one window displayed on a primary display device are displayed at a remote display device. User input is received at the remote display device to modify the one or more window characteristics of the at least one window displayed on the primary display device. The one or more modified window characteristics for the at least one window displayed on the primary display device are transmitted from the remote display device to the primary display device.

Abstract: An approach is provided for road curvature data. The approach, for example, involves segmenting a road segment or plurality of road segments into a plurality of slices. The approach also involves retrieving location trace data for the plurality of slice. The location trace data, for instance, is collected from one or more location sensors of a plurality of vehicles traversing the plurality of slices. The approach further involves computing respective curvatures for the plurality of slices based on the location trace data. The approach further involves providing the road curvature data for the road segment of plurality of road segments (e.g., comprising an intersection) based on the respective curvatures of the plurality of slices.

Abstract: A system and method for interactive printed media are disclosed in which a mobile or wearable computing device has an application that captures an image of a piece of printed media and associates a link to the piece of printed media using a backend component to make the piece of printed media interactive. The system and method may be used to generate a piece of printed media that is interactive that may be sent to third parties or to make an existing piece of printed media interactive.

Abstract: A method of controlling a connected lighting system based on audio-visual content. The method comprises automatically performing operations of: color extraction from an image comprised in video component of the audio-visual content, calculating an audio intensity level of an audio sample of the audio component of the audio-visual content, determining of a first target light color and a first audio intensity level based on the extracted color and the calculated audio intensity level; and controlling at least one lighting device according to the determined first target light color and the first audio intensity level. This method provides for control in a manner which increases immersion of a user experiencing the audio-visual content as being rendered by, for example a TV, through providing light effects by a connected lighting system.

Abstract: A face image processing method includes: extracting a first image to be processed which includes an under-eye bag area in the face image; performing under-eye bag removal on the first image to be processed to obtain a first target image; extracting a second image to be processed which includes a lying silkworm area in the face image; acquiring a lying silkworm mask map according to the second image to be processed; and fusing the first target image with the face image by using the lying silkworm mask map to obtain a target face image.

Abstract: The present invention teaches a method for removing backlight mura. The method divides backlight into partitions, and divides each partition into units. The method then selects one of the partitions as a reference partition and selects the compensation values of the reference partition from all partitions. The method further calculates brightness difference values for all partitions other than the reference partition relative to the brightness of the reference partition. Finally, the method conduct brightness compensation to the other partitions based on the reference partition's compensation values, and the brightness difference values of the other partitions. The method may not only effectively eliminate backlight mura, but also allow the direct-lit backlight module to be thinner or of lower cost, and significant reduce storage requirement and logic resource.