Abstract: The present disclosure provides an image processing method, device, and virtual reality display apparatus for performing anti-distortion processing on images. The image processing method, for an electronic device including a lens unit, includes: determining a to-be-buffered image size according to a size of an input image and anti-distortion parameters of the lens unit; generating, based on the input image and the anti-distortion parameters, an anti-distortion buffer image having an image size according to the to-be-buffered image size.

Abstract: Embodiments of the present disclosure provide a method and a device for determining a gaze placement and a computer readable storage medium. The method comprises acquiring an ocular image of a subject; determining at least one gaze characteristic vector based on an ocular image; determining a gaze placement of the subject, according to a gaze estimation model and the at least one characteristic vector. The characteristic vector comprises at least one of: a first characteristic vector from a first reference speckle center to a pupil center, wherein the first reference speckle is formed by a first reference source in the ocular image; a second characteristic vector from the pupil center to a second reference speckle center, wherein the second reference speckle is formed by a second reference source in the ocular image; a third characteristic vector from the second reference speckle center to the first reference speckle center.

Abstract: A gesture shaking recognition method includes acquiring two adjacent frames of gesture images of a gesture (S100), selecting a tracking point in each of the two adjacent frames of gesture images (S200), determining positional information of a maximum value pixel point in each of the two adjacent frames of gesture images based on the tracking point (S300), and determining whether gesture shaking occurs (S400) based on the positional information of the maximum value pixel point in each of the two adjacent frames of gesture images and positional information of the tracking point in each of the two adjacent frames of gesture images. The tracking point in each of the two adjacent frames of gesture images may correspond to a same position on the gesture.

Abstract: Disclosed is face tracking method and device. The method includes: acquiring an initial facial image in a to-be-tracked picture; performing binarization processing on the initial facial image according to a standard range of color parameter and an actual value of the color parameter of each pixel in the initial facial image, to obtain a binarized facial image; acquiring a position of a preset organ in the binarized facial image; and acquiring a position of a final facial image according to the position of the preset organ and a position of the initial facial image.

Abstract: The present disclosure discloses a spatial positioning method, a spatial positioning device, a spatial positioning system and a computer readable medium. The spatial positioning method includes: capturing a feature image containing multiple feature markers of a to-be-positioned object; determining coordinate positions of respective feature markers in the feature image in an image coordinate system; traversing the respective feature markers in the image coordinate system according to preset multiple standard vector relations, and arbitrarily selecting at least three of the feature markers to calculate vector relations corresponding to the standard vector relations; determining position information of at least three feature markers according to position information corresponding to the standard vector relations in the image coordinate system when it is determined that the calculated vector relations satisfy any standard vector relation.

Abstract: The present disclosure provides a method, apparatus and device for rendering virtual reality scenes. The method includes: obtaining a virtual reality scene and determining whether the virtual reality scene is in a rendering idle state; if the virtual reality scene is in the rendering idle state, performing image rendering on the virtual reality scene to generate a display image and store a correspondence between the display image and a display area; and obtaining a target area to be displayed of the virtual reality scene, calling a target display image corresponding to the target area according to the correspondence and displaying the target display image.

Abstract: The present disclosure provides an electronic apparatus, a spatial positioning system and a method thereof. The electronic apparatus includes: a body having a central region and a peripheral region surrounding the central region; and a plurality of signal receiving components disposed in the peripheral region of the body. The signal receiving component includes a circuit board and a plurality of signal receiving devices located on the circuit board.

Abstract: The present application discloses display apparatus for displaying image based on time-divisional data. The display apparatus includes a data processor including at least a first shift register and a data buffer, and configured to store a first matrix of data corresponding to the frame of image data to the data buffer at time t0, to shift the first matrix of data by m columns by the first shift register to obtain a second matrix of data stored to the data buffer at time t1. The display apparatus further includes an interface connector configured to output the first matrix of data in period T0 and the second matrix of data in period T1 in a same order same as the fixed sequential order respectively over the at least two time-divisional periods T0 and T1 of a unit-time through a driver circuit to a display panel for displaying one frame of image.

Abstract: A display driving method of a display device, a driving device and the display device are provided. The display device includes a display panel and a backlight unit. The display driving method includes: sending image information of a display image to the display panel; acquiring a scanning parameter of the display image from the image information; acquiring a driving parameter of a plurality of rows of backlight blocks based on the scanning parameter of the display image, and driving the plurality of rows of backlight blocks based on the driving parameter.

Abstract: The present disclosure provides a device for stereoscopic displaying and a method for controlling the same. The device for stereoscopic displaying comprises: a rotary shaft and at least one display assembly. The display assembly is fixed to the rotary shaft, the display assembly comprises at least three display surfaces, and at least one of the display surfaces is arranged opposite to the rotary shaft in a radial direction of the rotary shaft.

Abstract: The present disclosure provides a blacklight and a display device. The blacklight of the present disclosure includes a backlight driving circuit, which includes a plurality of first signal lines and a plurality of second signal lines, a plurality of light string regions are defined by arranging the plurality of first signal lines and the plurality of second signal lines to cross each other, and a part of the plurality of light string regions are configured to be provided with light emitting diode (LED) light strings; the first terminals of LED light strings in a same row are coupled to a same first signal line, and the second terminals of LED light strings in a same column are coupled to a same second signal line.

Abstract: A gesture shaking recognition method includes acquiring two adjacent frames of gesture images of a gesture (S100), selecting a tracking point in each of the two adjacent frames of gesture images (S200), determining positional information of a maximum value pixel point in each of the two adjacent frames of gesture images based on the tracking point (S300), and determining whether gesture shaking occurs (S400) based on the positional information of the maximum value pixel point in each of the two adjacent frames of gesture images and positional information of the tracking point in each of the two adjacent frames of gesture images. The tracking point in each of the two adjacent frames of gesture images may correspond to a same position on the gesture.

Abstract: A current compensation circuit, a virtual reality device and a control method are disclosed. The current compensation circuit includes: a first constant current sub-circuit, configured to generate a driving current of a backlight module; a second constant current sub-circuit, configured to generate a compensation current of the backlight module; a compensation gating sub-circuit, configured to determine whether to select the second constant current sub-circuit to supply power to the backlight module; and a black insertion control signal generation sub-circuit, configured to generate a black insertion control signal, connected with the first constant current sub-circuit and the compensation gating sub-circuit, and configured to control, by the black insertion control signal, the first constant current sub-circuit and the second constant current sub-circuit to simultaneously supply power to or power off the backlight module, so that the black light module realizes a backlight black insertion.

Abstract: A method for identifying body representation information in an image, includes: determining a skeleton-like line of a body in the image; and then performing identification of the body representation information according to the skeleton-like line. An apparatus, and a device for identifying body representation information in an image and a storage medium are also provided.

Abstract: The present application discloses a display optimization method. The method includes setting a light-emitting substrate including a first plurality of unit regions. Each unit region is associated with a luminance produced by one or more light-emitting diodes. The method further includes determining a sensitive area having a second plurality of unit regions in part of the light-emitting substrate in association with eyeball position of viewer relative to the light-emitting substrate and a non-sensitive area having a plurality of combined-regions in remaining part of the light-emitting substrate. Additionally, the method includes transferring local variables including information about the sensitive area and the combining factor k to a processor. Furthermore, the method includes operating the processor based on the local variables to individually control a first luminance of the one unit region in the sensitive area and to commonly control a second luminance of one combined-region in the non-sensitive area.

Abstract: A VR integrated machine and a running method thereof are provided. The VR integrated machine includes a heat generating device, a heat conducting member and thermoelectric conversion member, the heat conducting member is connected with the heat generating device, the thermoelectric conversion member has a first end connected with the heat conducting member, and is configured to generate electrical energy and to supply the electrical energy to the UR integrated machine.

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: A display device, a virtual reality equipment, and a driving method are disclosed. The driving method is configured to drive a display device, and the display device includes a display array and a light valve array. The display array includes rows of sub-pixels, the light valve array includes a plurality of sub light valves, respective one sub light valve of the plurality of sub light valves corresponds to at least one row of sub-pixels, and the light valve array is on a light-emitting side of the display array. The driving method includes: any sub-pixel in the at least one row of sub-pixels being in a response phase of a display operation, the respective one sub light valve being in a light-shielding state, and the respective one sub light valve corresponding to the at least one row of sub-pixels.

Abstract: The present disclosure provides an image processing method, device, and virtual reality display apparatus for performing anti-distortion processing on images. The image processing method, for an electronic device including a lens unit, includes: determining a to-be-buffered image size according to a size of an input image and anti-distortion parameters of the lens unit; generating, based on the input image and the anti-distortion parameters, an anti-distortion buffer image having an image size according to the to-be-buffered image size.

Abstract: A display device, a virtual reality display apparatus and a display device control method. The display device includes: a liquid crystal panel, which includes a plurality of sub-pixel groups and a first black matrix, each of the sub-pixel groups including n consecutive rows of sub-pixels, the first black matrix being disposed between two adjacent sub-pixel groups, and n being any positive integer, and a backlight, which includes a plurality of sub-light source groups and a second black matrix, which second black matrix is disposed between two adjacent sub-light source groups, each of the sub-light source groups being disposed in one-to-one correspondence with each of the sub-pixel groups, and the second black matrix having the same light-shielding region as the first black matrix.