Abstract: A method for backlight black frame insertion optimization includes: acquiring a current display mode of the wearable smart device; acquiring a current motion state of the wearable smart device; and generating a control signal according to the current display mode and the current motion state to adjust backlight black frame insertion of the wearable smart device.

Abstract: A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.

Abstract: A backlight driving circuit of driving a backlight source, the backlight source comprising a plurality of LEDs arranged in an array, the backlight driving circuit comprising: a power source sub-circuit and a switch control sub-circuit, wherein the power source sub-circuit is electrically connected to the plurality of LEDs respectively through the switch control sub-circuit; and the switch control sub-circuit is configured to determine a to-be-turned-on LED and a to-be-turned-off LED according to color information of an image to be displayed, and control each of the LEDs to be turned on or off by controlling a connection state between each of the LEDs and the power source sub-circuit separately according to the determined to-be-turned-on LED and the determined to-be-turned-off LED. A backlight driving method, a backlight driving device and a computer-readable storage medium are further provided.

Abstract: A method for interacting with an autostereoscopic display is disclosed. The method includes initiating displaying by the autostereoscopic display a left eye view and a right eye view that contain a virtual manipulated object, determining a real-world coordinate of the virtual manipulated object perceived by a user located at a predetermined viewing position of the auto stereoscopic display, receiving an interactive action of the user's manipulating body acquired by a motion tracker, where the interaction action includes a real-world coordinate of the manipulating body, determining whether an interaction condition is triggered based at least in part on the real-world coordinate of the virtual manipulated object and the real-world coordinate of the manipulating body, and refreshing the left eye view and the right eye view based on the interactive action of the manipulating body acquired by the motion tracker, in response to determining that the interaction condition is triggered.

Abstract: Embodiments herein provide a method for detecting a failure of a chip. The method includes dividing a plurality of channels of the chip into multiple channel groups, providing an input bit stream to each channel group of the multiple channel groups and monitoring whether there is a difference between an output bit stream of each channel in the channel group and the input bit stream, and determining based on the difference whether each of the multiple channel groups is an abnormal channel group. Input bit streams provided to respective channels in a same channel group are identical.

Abstract: The present application discloses a method, apparatus, and storage medium for processing an image in a virtual reality system. The method comprises: splitting an image to be rendered at a first timing in the virtual reality system into a first region and a second region; rendering the first region of the image to be rendered according to first gesture data of a user at the first timing; rendering the second region of the image to be rendered according to second gesture data at a second timing at the end of the rendering of the first region.

Abstract: The present disclosure provides a method, an apparatus, and a virtual reality device for displaying a virtual reality scene. The method comprises: acquiring pose information of a user and transmitting the pose information to a target device; receiving static picture data corresponding to the pose information transmitted by the target device through a first transmission channel and storing the static picture data; and generating a display picture according to the static picture data and displaying the display picture.

Abstract: The invention discloses a method and an apparatus for adjusting display brightness, a display device and a storage medium. The method for adjusting the display brightness of the display device comprises the following steps: acquiring light intensity information around the display device and motion information of the display device; determining, according to the motion information, whether motion parameters in a preset duration are in a preset threshold range; if the motion parameters in a preset duration are in the preset threshold range, it is determined to adjust the display brightness of the display device according to the light intensity information; otherwise, it is determined not to adjust the display brightness of the display device according to the light intensity information.

Abstract: Embodiments of the present disclosure provide a method for adjusting backlight for a display device, a device for adjusting backlight, a computing device, a display device, and a storage medium. The method includes: acquiring a displayed image of the display device: acquiring a gazed point of a user on the displayed image; determining a gazed area and an un-gazed area for a displayed image according to the gazed point; adjusting a brightness of the backlight for the gazed area with a first precision; and adjusting the brightness of the backlight for the un-gazed area with a second precision.

Abstract: The present application discloses a method for processing image data with enhanced grayscale level for a display panel. The method includes receiving image data with a maximum grayscale level up to (M+N)-bit. The method further includes dividing the image data of the (M+N)-bit to a first set of data including low-order part up to M-bit and a second set of data including high-order part up to N-bit. Additionally, the method includes reconstructing multiple sets of new image data up to N-bit based on the first set of data and the second set of data. Furthermore, the method includes forwarding the multiple sets of new image data to the driver circuit respectively in multiple divisional time periods and driving the display panel to display image using the multiple sets of new image data.

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: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit and a display panel, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: obtaining initial backlight data of each of the plurality of backlight blocks corresponding to a display image; performing a peak driving process on the initial backlight data of each of the plurality of backlight blocks by a graphics processing unit to obtain adjusted backlight data of each of the plurality of backlight blocks; and providing the adjusted backlight data to the backlight unit by the graphics processing unit so that the display panel displays the display image.

Abstract: A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.

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: A spatial positioning method, a spatial positioning device, a spatial positioning system, and a computer readable storage medium are disclosed.

Abstract: The embodiments of the present disclosure disclose a virtual reality device and a method for configuring a virtual reality device. The virtual reality device comprises: at least one switching circuit and a display circuit. Each of the switching circuits comprises a first input port, a second input port, and an output port. The first input port and the second input port are both configured to input signals, respectively, and each of the switching circuits is configured to control an output port of the switching circuit to output a signal corresponding to a first input port or a second input port of the switching circuit to the display circuit.

Abstract: An eye tracking device and an eye tracking method applied to video glasses, and video glasses are provided. The eye tracking device includes a light source component, a reflection component, an image sensor component and a main control component. The light source component is configured to emit invisible light to an eyeball, the reflection component is configured to reflect the invisible light reflected by the eyeball, the image sensor component is configured to generate an image of the eyeball based on the invisible light reflected by the reflection component, and the main control component is coupled to the image sensor component and is configured to acquire a gaze direction based on the image of the eyeball.