Abstract: Disclosed are a method for generating display data by a rotatory stereoscopic display apparatus, a display driving method, a computer device, a rotatory stereoscopic display apparatus, and a stereoscopic display system. The method for generating display data includes: generating, based on display parameters of the rotatory stereoscopic display apparatus and a model to be displayed, an image array for displaying the model; generating, for an image in the image array, an initial data stream of the image, the initial data stream including: grayscale datum of each pixel in the image; and performing data compression on the initial data stream to generate a compressed data stream, the compressed data stream including: data units of pixels whose grayscale data is non-zero data, each data unit including: grayscale datum of the pixel and an order of the grayscale datum in the initial data stream.

Abstract: A virtual reality display device, a display device, and a calculation method of a line-of-sight angle are provided. The virtual reality display device includes: a display screen configured to display a picture to a user, at least one infrared light source, and an infrared camera; and the infrared camera is on a side of the display screen away from an eye of the user, and is configured to acquire an eye image of the eye of the user that is illuminated by the at least one infrared light source.

Abstract: Provided is a method for compressing texture data of a three-dimensional model, including: acquiring data of polygonal surfaces constituting a contour of a target three-dimensional model, and data of a texture image and a phase plane of the contour; acquiring the texture data of texture points in a texture point group corresponding to each polygonal surface, the texture points in the texture point group including first and second texture points; assigning a weight to each texture point in each texture point group according to the texture data of the first texture points in the texture point group; calculating a sum of weights of each texture point in each texture point group; and compressing the texture data, according to a target compressed data amount, and the texture data and the sum of weights of the texture point whose sum of weights is not zero.

Abstract: A wearable device is provided which includes: a head-mounted display, a C-shaped wearing assembly matching a head contour of a human body, and a connection assembly, the C-shaped wearing assembly being made of a deformable material; wherein an end of the connection assembly is connected to an end of the C-shaped wearing assembly, the other end of the connection assembly is connected to the head-mounted display via a connection shaft, an axial line of the connection shaft passing through a center of gravity of the head-mounted display; wherein the other end of the C-shaped wearing assembly is snapping into the occipital bone of the human body, such that the head-mounted display fits with the face of the human body. The present disclosure may ensure that the head-mounted display in the wearable device is closely attached to the face of the user, thereby preventing light leakage, wearing comfortlessness, and etc.

Abstract: A display panel, a display device and a method for driving the display panel. The display panel includes: a rotation axis; at least one display area located at one side of the rotation axis; wherein the display area includes a plurality of display sub-areas; and a plurality of driving-control modules corresponding to the plurality of display sub-areas. The plurality of display sub-areas are sequentially arranged along a first direction; the first direction is directed from the rotation axis to the display area; when the display panel rotates around the rotation axis, areas passed by the plurality of display sub-areas form a plurality of imaging sub-areas. The plurality of driving-control modules are configured to control the plurality of display sub-areas to have different display parameters, respectively, thereby enabling imaging brightness of the plurality of imaging sub-areas to be within a preset brightness range.

Abstract: A rotary shaft mechanism of an electronic is provided. The rotary shaft mechanism includes a first rotating assembly and a second rotating assembly, wherein the first rotating assembly is provided with a first through hole, and the second rotating assembly is provided with a second through hole, wherein the first through hole is in communication with the second through hole, and an axis of the first through hole and an axis of the second through hole are both intersected with a rotary shaft between the first rotating assembly and the second rotating assembly. A flexible circuit board of the electronic device is disposed in the first through hole and the second through hole.

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: Provided is a focusing assembly including a focusing barrel and a barrel retaining ring; the focusing barrel includes a first sleeve, a second sleeve, and a third sleeve that are sequentially sleeved from inside to outside of the focusing barrel; the first sleeve is provided with a lens mounting portion for mounting a focusing lens, a first end of the second sleeve is provided with a display screen mounting portion for mounting a display screen, a second end of the second sleeve is detachably connected to the barrel retaining ring, the first end and the second end being opposite ends of the second sleeve; and the lens mounting portion and the display screen mounting portion are configured such that the relative position thereof in a focusing direction of the focusing assembly is adjustable.

Abstract: The present disclosure relates to a near-eye display and a method for adjusting the brightness of a near-eye display. The near-eye display including a first display screen for displaying one of a left eye image and a right eye image, a second display screen for displaying the other of the left eye image and the right eye image, a detector configured to detect a first detected value indicating brightness of the first display screen and a second detected value indicating brightness of the second display screen, and a controller configured to adjust brightness of at least one of the first display screen and the second display screen based on the first detected value and the second detected value.

Abstract: Methods and apparatuses for acquiring display image sequence, rotary stereoscopic display devices and storage media are provided. A method includes: determining voxels in a 3D display space by multiple partitioning of the 3D display space in a cylindrical coordinate system using a predetermined partitioning mode, where the predetermined partitioning mode includes non-uniform partitioning in a radius direction of the cylindrical coordinate system, and space bounding boxes resulting from a same partitioning have a same volume; determining a cross-sectional profile of a 3D object to be displayed on a display screen at each of phase positions; determining a cross-sectional image based on voxels and the cross-sectional profile at each of the phase positions; and acquiring a display image sequence by arranging the cross-sectional images according to rotation angles of the display screen.

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: A holographic display, a holographic display device and a display method thereof are provided. The holographic display includes a supporting platform including a central display area and at least one annular tiled display area arranged around the central display area; a first display screen located in the central display area, and an area formed by rotation of the first display screen around a central axis of the supporting platform covers the central display area; and a plurality of second display screens which are arranged at intervals and located in the tiled display area, and orthographic projections of two frames, perpendicular to the supporting platform, of each second display screen on the supporting platform is located on two boundaries of the tiled display area; and a quantity of the second display screens is larger than a quantity of the first display screen.

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 disclosure provides an optical processing apparatus, including at least one optical lens group, light transmittance of which is adjustable; a photodetector configured to detect an intensity of light emitted to the optical lens group; and a controller configured to adjust the light transmittance of the optical lens group according to the light intensity detected by the photodetector.

Abstract: Smart glasses are provided in the present disclosure, including a housing, a fixing bracket, a left lens barrel, a right lens barrel, an object distance adjustment mechanism including a left-eye object distance adjustment gear, a right-eye object distance adjustment gear, an object distance adjustment driving gear engaged with the left-eye object distance adjustment gear and the right-eye object distance adjustment gear and a driving motor driving the object distance adjustment driving gear to rotate and being capable of moving back and forth on the fixing bracket along a second direction; a pupil distance adjustment mechanism connected to at least one lens barrel, and configured to drive the lens barrel to move in the first direction when an external force is applied, and a linkage member arranged between the at least one lens barrel and the driving motor.

Abstract: A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.

Abstract: A virtual reality display device, a display device, and a calculation method of a line-of-sight angle are provided. The virtual reality display device includes: a display screen configured to display a picture to a user, at least one infrared light source, and an infrared camera; and the infrared camera is on a side of the display screen away from an eye of the user, and is configured to acquire an eye image of the eye of the user that is illuminated by the at least one infrared light source.

Abstract: The present disclosure relates to a near-eye display and a method for adjusting the brightness of a near-eye display. The near-eye display including a first display screen for displaying one of a left eye image and a right eye image, a second display screen for displaying the other of the left eye image and the right eye image, a detector configured to detect a first detected value indicating brightness of the first display screen and a second detected value indicating brightness of the second display screen, and a controller configured to adjust brightness of at least one of the first display screen and the second display screen based on the first detected value and the second detected value.

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 displaying device, a device and method for generating data, and a displaying system. The displaying device includes a displaying screen, a driving assembly, a rotating assembly and a controlling assembly; a rotation shaft of the displaying screen is parallel to a light exiting face of a display panel; the displaying screen includes a display panel and an optical assembly; a light ray emitted by the display panel includes an emergent light located in a reference plane, and the reference plane is perpendicular to the light-exiting face of the display panel and the rotation shaft of the displaying screen; the optical assembly is configured for adjusting the emergent light located to in the reference plane into a collimated light perpendicular to the light-exiting face of the display panel; the rotating assembly is configured for driving the driving assembly to rotate; and the controlling assembly is electrically connected to the displaying screen.