Abstract: A display device includes a processor providing an image frame, a sub-frame generator generating a first sub-frame and a second sub-frame based on the image frame, and a pixel part for sequentially displaying a first image corresponding to the first sub-frame and a second image corresponding to the second sub-frame, wherein the image frame includes a first color grayscale, a second color grayscale, and a third color grayscale for each pixel, the first sub-frame includes the first color grayscale and the second color grayscale for a first pixel, and does not include the third color grayscale, and the second sub-frame includes the second color grayscale and the third color grayscale for the first pixel, and does not include the first color grayscale.

Abstract: A control method of a fastening tool for fastening a component part includes photographing a fastening portion of the component part through a camera portion mounted on the fastening tool. The control method includes pre-processing that rotates an input image, which has been photographed by the camera portion, to match with representative model image. The control method includes estimating the fastening portion through an inference process through a convolutional neural network (CNN) algorithm-based image classification work on a video input image of a same fastening portion finished with the pre-processing work. The control method also includes setting a torque value that is matched with a recognized fastening portion when a probability value of the fastening portion in the inference process exceeds a predetermined reference ratio.

Abstract: A projection system and its color calibration method are provided. The projection system includes a projection device, a camera device, and a processing circuit. The projection device projects a calibration projection image including a plurality of calibration regions. The camera device captures the calibration projection image. The processing circuit performs a color calibration operation to calibrate color uniformity of the calibration projection image. The processing circuit drives the projection device to project the calibration projection image according to color gain values of the calibration regions. The processing circuit drives the camera device to capture the calibration projection image, calculates color values of the calibration regions, and updates the color gain values of the calibration regions to make the color values of the calibration regions approach at least one target value.

Abstract: A display device comprises a display panel that displays an image; a backlight that illuminates the display panel by irradiating the display panel with light; a scene determiner that determines a scene of an input video image based on a lighting rate of the backlight; a parameter setter that sets a parameter related to a luminance value applied to a plurality of areas of the backlight based on the scene determined by the scene determiner; and a local dimming controller that controls local dimming of the backlight for each of the areas based on the set parameter.

Abstract: Systems, methods, and devices for determining a contrast of colors displayed by a digital user interface are disclosed, In one embodiment, in an electronic device including a processor, a compliance module is configured to receive a user selection of a graphical element displayed on a user interface of the electronic device; determine first color data associated with a background of the selected graphical element; determine second color data associated with a text string within the selected graphical element; determine a luminosity associated with the first color data and a luminosity associated with the second color data; calculate a color contrast ratio based on the luminosity associated with the first color data and the luminosity associated with the second color data; and display, at the user interface of the electronic device, the calculated color contrast ratio.

Abstract: An image-capturing device includes a sensor, a visible-light-pixel driver, and a non-visible-light-pixel driver. The sensor is configured to have a plurality of visible light pixels having sensitivity to visible light and a plurality of non-visible light pixels having sensitivity to non-visible light. The visible-light-pixel driver controls light exposure to the visible light pixels and a reading operation for charges generated by photoelectric conversion of the visible light pixels resulting from the light exposure. The non-visible-light-pixel driver performs the light exposure to previously-set every two or more non-visible light pixels at the time of the light exposure to the non-visible light pixels and the reading operation, sums the charges generated by the photoelectric conversion of the two or more non-visible light pixels resulting from the light exposure, and creates the distance image on the basis of the summed charges.

Abstract: An information processing method, including: generating second luminance profile data by inputting first luminance profile data of a spreading of light when one light source of a backlight device including at least one light source is lit, and adjusting a thin-out spacing according to positions in a luminance distribution based on the first luminance profile data. Values of the first luminance profile data are thinned in the second luminance profile data.

Abstract: A method and apparatus for determining an exposure parameter of a head-mounted device, and a device are provided. The method includes: acquiring an average real brightness value of a region of interest of the image of the current frame; determining an average predicted brightness value of a region of interest of an image of a next frame if the average predicted brightness value is smaller than a lower limit of a first preset threshold range, sequentially selecting exposure parameter values equal to or greater than a current exposure parameter value, in a target exposure list to form a target exposure sub-list; and if the average predicted brightness value is greater than or equal to an upper limit of the first preset threshold range, sequentially selecting exposure parameter values equal to or smaller than the current exposure parameter value in the target exposure list to form a target exposure sub-list.

Abstract: A display data processing device performs color adjustment on gradation values of pixels of a frame image of an input video signal and outputs the adjusted gradation values to a display device. The device includes a first gamma correction unit configured to set the gradation value as the first input gradation value and to convert the first input gradation value into the first corrected gradation value. The device includes a video gain correction unit configured to perform color adjustment on the first corrected gradation value according to video gain correction and to output the result as a video gain corrected gradation value. The device includes a second gamma correction unit configured to set the video gain corrected gradation value as the second input gradation value and to convert the second input gradation value into the second corrected gradation value.

Abstract: A method of WDR imaging. Exposure times (ETs) are set for first and second frames for an image sensor to avoid second frame saturating by setting a second ET>1/a PWM frequency applied to an LED illuminating a scene to generate second longer ET pixel data (PD). The first frame has first PD and a first ET<the second ET. A high and low intensity threshold are calculated from a full well capacity. Raw image signals are obtained originating from the image sensor of the scene. Flicker is detected by comparing the first and second frame intensity values to the high and low threshold to determine whether the first PD is flickering data. A WDR merge is performed by selecting weightings from the first and second PD for each pixel including increasing weighting of the second PD for flicker. A final image is formed from the weighted WDR merge.

Abstract: In a phase adjustment circuit, a binary circuit is configured to output a binary signal on the basis of an edge of a video signal. A phase-delayed clock signal generation circuit is configured to generate a phase-delayed clock signal having a later phase than a phase of a clock signal by a first delay amount. A delay time control circuit is configured to cause a phase of the binary signal and the phase of the phase-delayed clock signal to match each other by adjusting the first delay amount. A sampling signal generation circuit is configured to generate a sampling signal having a later phase than the phase of the clock signal by a second delay amount. The second delay amount is in accordance with both a phase shift amount, which is based on the clock signal, and the first delay amount.

Abstract: An image capture device includes a plurality of independently formed camera channels. Each of the plurality of independently formed camera channels includes a respective lens that receives incident light and transmits the incident light to a respective sensor without transmitting the incident light to respective sensor of other camera channels within the plurality of independently formed camera channels. Further, a processor that is communicatively coupled to the respective sensor of each of the plurality of independently formed camera channels. The processor is configured to control an integration time of the respective sensor of each of the plurality of independently formed camera channels individually with the receive respective images from the respective sensor of each of the plurality of independently formed camera channels, and form a combined image by combing each of the respective images.

Abstract: An electronic apparatus includes a memory configured to store first output luminance information corresponding to a first bit image, and second output luminance information corresponding to a second bit image; a display panel; a backlight including a plurality of backlight blocks configured to provide light to the display panel; a driver configured to individually drive each backlight block of the plurality of backlight blocks; and a processor configured to, based on receiving the first bit image, identify brightness information of the first bit image, and based on the brightness information being less than a threshold value, control the driver to drive at least one backlight block, from among the plurality of backlight blocks, based on the second output luminance information, wherein a number of bits of the second bit image is greater than a number of bits of the first bit image.

Abstract: An interface element color display method and apparatus are provided. The method includes: obtaining a target image included in a to-be-displayed interface; performing color updating processing on the to-be-displayed interface, including: determining a first dominant color of the target image, determining a color type of the target image based on an area-based ratio of the first dominant color in the target image, determining a first auxiliary color based on the color type, and setting the first auxiliary color as a color of a foreground element; and outputting the to-be-displayed interface that has undergone the color updating processing to a display device for displaying.

Abstract: A conversion method for converting luminance of a video, including a luminance value in a first luminance range, to be displayed on a display apparatus includes: acquiring a first luminance signal indicating a code value obtained by quantization of the luminance value of the video; and converting the code value indicated by the acquired first luminance signal into a second luminance value determined based on a luminance range of the display apparatus, the second luminance value being compatible with a second luminance range with a maximum value smaller than a maximum value of the first luminance range and larger than 100 nit. This provides the conversion method capable of achieving further improvement.

Abstract: The ambient illuminance and light geometry detection system includes a computing process including receiving a hinge angle between two displays of a foldable computing device, illuminance values from illuminance sensors of the displays, and screen activity of each of the displays of the foldable computing device, determining foldable computing device posture information based at least in part on the hinge angle and the screen activity of each of the displays, determining a user facing display of the foldable computing device based at least in part on the device posture information and the screen activity of the displays, assigning differential weights to an illuminance value received from an illuminance sensor of the user facing display compared to an illuminance value received from an illuminance sensor of the non-user facing display and generating an aggregate weighted average illuminance by applying the differential weights to the illuminance values of each of the displays.

Abstract: A camera head unit including an image sensor configured to generate an image signal, a main unit configured to perform a signal process to the image signal, and first and second cables are included. Further, a determining section configured to determine whether a connection state is in a first connection state in which the camera head unit and the main unit are connected with each other via a first cable without a second cable or a second connection state in which the camera head unit and the main unit are connected with each other via the first cable and the second cable, and a transmission section configured to transmit the image signal between the camera head unit and the main unit at least via the first cable according to a determination result determined by the determining section are included.

Abstract: An optical compensation device includes a measurement part that measures a luminance of a reference point of a display panel displaying an image and a luminance of a neighboring point separated from the reference point to generate measurement data, a camera that photographs a surface of the display panel to generate a photographed image, and a compensation part that generates a scaling value of the neighboring point based on the measurement data of the reference point, a photographed data generated based on the photographed image of the reference point, the measurement data of the neighboring point, and a photographed data generated based on the photographed image of the neighboring point, and generates compensation data of the neighboring point based on the scaling value of the neighboring point and the photographed data of the reference point.

Abstract: A computer-implemented method includes: computing, by a computing device, average pixel colors of a plurality of windows of a screen of a device; normalizing, by the computing device, the average pixel colors of the screen of the device; converting, by the computing device, the normalized average pixel colors of the screen of the device to average pixel gray scale colors; creating, by the computing device, at least one adaptive filter which corresponds to at least one of the average pixel gray scale colors; and overlaying, by the computing device, the at least one adaptive filter to at least one window of the windows of the screen of the device.

Abstract: A method for determining misalignment of a vehicular camera includes equipping a vehicle with a vehicular vision system having an electronic control unit and a plurality of cameras disposed at the vehicle so that each camera has a respective field of view exterior of the vehicle. Responsive to processing at the electronic control unit of received vehicle data during driving of the vehicle, the vehicular vision system determines a vehicle motion vector during driving of the vehicle. Frames of image data captured by the plurality of cameras are processed to determine an object motion vector of a detected object based on positions of the detected object in frames of image data captured by the camera. The determined object motion vector is compared to the determined vehicle motion vector to determine via the vehicular vision system that the camera of the plurality of cameras is misaligned.

Abstract: This application discloses an interface element color display method and apparatus. The method includes: obtaining a target image included in a to-be-displayed interface; performing color updating processing on the to-be-displayed interface, including: determining a first dominant color of the target image, determining a color type of the target image based on an area-based ratio of the first dominant color in the target image, determining a first auxiliary color based on the color type, and setting the first auxiliary color as a color of a foreground element; and outputting the to-be-displayed interface that has undergone the color updating processing to a display device for displaying.

Abstract: An aircraft display control system is disclosed. The system comprises one or more displays configured to present a video stream of a surrounding environment to a user of the aircraft, image sensors configured to generate images of the surrounding environment, and a controller configured to execute an enhanced vision system (EVS) module, a synthetic vision system (SVS) module, a combined vision system (CVS) module and a brightness equalization module. The brightness equalization module measures an apparent brightness of a first frame of the video stream and applies a sigmoid transform function to equalize grayscale levels of a second frame of the video stream based on the apparent brightness of the first frame.

Abstract: A system and method are provided for optimizing histogram cumulative distribution function curves. In use, a first image is received and divided into two or more pixel regions. For at least one of the two or more pixel regions, a first histogram is computed, and based on the first histogram, at least one cumulative distribution function is computed for the at least one of the two or more pixel regions. Next, based on the at least one cumulative distribution function, two or more curve fit coefficients are extracted and interpolated. Further, an interpolated cumulative distribution function is created based on the interpolation and the interpolated cumulative distribution function is applied to the at least one of the two or more pixel regions.

Abstract: A processing of pixels comprises checking whether a color component of a pixel in a color space resulting in a smallest error between at least one color component in another color space determined based on the color component and at least one original color component of the pixel in the another color space causes any color channel of the pixel to fall outside of an allowed range. A value of the color component is obtained using a first function/LUT if the color component resulting in the smallest error does not cause any color channel of the pixel to fall outside of said allowed range. However, a value of the color component is obtained using a second, different function/LUT if the color component resulting in the smallest error causes any color channel of the pixel to fall outside of the allowed range.

Abstract: A projector system comprising a laser light source, a collimating lens, a fly-eye lens, an integrating rod and a first modulator is disclosed. The light from a laser light source/fiber illuminates a collimator to substantially collimate the light and then is transmitted through a fly's-eye lens. The fly's-eye lens provides a desired angular/spatial light distribution for further processing to a first modulator of the projector system.

Abstract: Aspects of the subject technology relate to display circuitry including pixel overdrive circuitry. The pixel overdrive circuitry includes a compression engine that compresses a previous display frame, for storage and comparison to a current display frame without compression or decompression of the current display frame. The compression engine compresses the previous frame in such a way that the maximum compression error is always known and can be used to determine whether to perform overdrive operations for the current frame without compressing and decompressing the current display frame. The compression engine selects gradient encoding or decimation encoding for the compression of the previous display frame and can perform successive decimation operations within the gradient encoding operations to help reduce the size of the compressed previous frame while maintaining the quality of the ultimate overdriven current frame.

Abstract: A video signal conversion device is realized in which even in a case where an HDR video signal following a first video format is converted into a HDR video signal following a second video format, supplementary information related to the HDR video signal following the original first video format is not lost. The video signal conversion device (1 or 40) includes: a conversion unit (5) that converts the high dynamic range video signal following the first video format into the high dynamic range video signal following the second video format; and an output unit (12) that outputs the supplementary information which is related to the high dynamic range video signal following the first video format.

Abstract: A method of enhancing an image includes constructing an input histogram corresponding to an input image received at a focal plane array, the input histogram representing a pixel intensity distribution corresponding to the input image and performing an analytical operation on the input histogram to produce a modified cumulative distribution, wherein the analytical operation is a function of camera temperature. The input image is transformed using the modified cumulative distribution to produce an enhanced output image corresponding to the input image, wherein at least a portion of the input image is enhanced in the output image. In addition to or in lieu of the non-linear operation, the binning edges of the input histogram can be adjusted based on at least one of camera temperature and sensitivity state to construct an adjusted cumulative distribution.

Abstract: Provided is a scanning projector screen which can suppress inhomogeneity of a beam diameter. The scanning projector screen has a screen surface that is curved in at least one direction.

Abstract: The systems and methods are provided to provide communication coverage to an unmanned aerial vehicle. A proposed flight path of a UAV may be collected, and a communication signal distribution, such as a cellular signal distribution, along the proposed flight of the UAV may be determined. At positions having low or no communication signal, relays may be provided to improve a quality of the communication signal. The relay may be a ground device or an aerial vehicle. A stable and continuous communication between the UAV and user terminals during the entire flight path of UAV may be provided, and a coverage of cellular signal may be expanded.

Abstract: A system for controlling an exposure of a camera may include: a histogram calculator configured to calculate a histogram from an input image; a virtual histogram generator configured to generate a virtual histogram by differently applying the exposure to the calculated histogram; a histogram hole filter configured to generate a final histogram by filtering a hole generated in the virtual histogram; a histogram uniformity unit configured to perform uniformity of the final histogram; and an optimum exposure setting unit configured to apply an exposure value depending on the uniformized histogram.

Abstract: A method of enhancing the contrast of image or video data may include applying a contrast increasing transfer function to a reference image to generate an enhanced image. A transformation may be applied to the reference image to generate reference high frequency components and may also be applied to the enhanced image to generate enhanced high frequency components. For a pixel in the reference image, whether a corresponding enhanced high frequency component has a higher energy than a corresponding reference high frequency component may be determined. The method may also include replacing the pixel in the reference image with a corresponding pixel in the reference image if the corresponding enhanced high frequency component has a higher energy than the corresponding reference high frequency component.

Abstract: In a liquid crystal display device, a field sequential liquid crystal display device includes a liquid crystal panel having an upper substrate, a lower substrate and a liquid crystal layer therebetween; a backlight device under the liquid crystal panel for irradiating light to the liquid crystal panel and having three color light sources; and an image signal processor controlling a sequential lighting order and combination of the three color light sources.