Abstract: A three-dimensional reconstruction method, comprising: performing slide calculation on an acquired current image frame to obtain to-be-processed windows; performing point feature extraction and line feature extraction on the to-be-processed windows, and determining corresponding features in each to-be-processed window; performing iterative quadtree splitting for circles on each target to-be-processed window to obtain circular regions of interest corresponding to each target to-be-processed window; performing feature screening on features in the target circular regions of interest to obtain target features corresponding to each target circular region of interest; and performing three-dimensional reconstruction corresponding to the current image frame by using the target features.

Abstract: Provided is a pair of smart glasses. The smart glasses include a front frame, and legs rotatably connected to the front frame through a rotating module. A heat conducting structure is housed in the rotating module. The heat conducting structure includes an upper flange and a lower flange that are closely fitted in an up and down direction and rotatable relative to each other. The upper flange is connected to a front frame heat pipe provided in the front frame, and the lower flange is connected to a leg heat pipe provided in the legs and rotates with the leg heat pipe.

Abstract: A head mounted display device and a head mounted display assembly are disclosed in some embodiments of the present disclosure. The head mounted display device comprises a display body and a sound transmission member. The display body is configured to display an image. The sound transmission member is connected to the display body, and is provided with a sound amplification cavity, a mounting groove communicated with the sound amplification cavity and a sound outlet hole. The mounting groove is configured to accommodate an earphone. The technical solution of the present disclosure can further reduce sound leakage and reduce noise interference to the surrounding environment.

Abstract: Embodiments of the present application disclose a method and a device for loading module of virtual reality equipment based on PC terminal. The virtual reality equipment is in communication connection with the PC terminal, and comprises a plurality of functional devices and functional modules corresponding to the functional devices; and the PC terminal comprises experience modules corresponding to the functional devices.

Abstract: A defect detection method and apparatus and an electronic device are disclosed. The method comprises: acquiring an image of an object to be detected (S1100); acquiring brightness information of pixels in the image (S1200); and acquiring appearance defect information of the object to be detected based on the brightness information (S1300), wherein the appearance defect information represents defects existing in an appearance of the object to be detected. This method enables the electronic device to quickly and accurately obtain the appearance defect information of the object to be detected, thereby saving human labor and improving the user experience.

Abstract: An image display method, an image display device, and a readable storage medium are disclosed. The image display method applied to a headset display device comprises: controlling the camera to capture a display image, comparing the display image with a corresponding reference image, to obtain a pixel point of the display image that is changed relative to the reference image, wherein the reference image is a previous frame image of the display image captured by the camera (S10); obtaining pixel information of the pixel point according to the changed pixel point (S20); and refreshing the changed pixel point to the display screen according to the pixel information (S30).

Abstract: An eye tracking system for a near-eye display device includes: a processor for outputting a video signal; a control analysis device for acquiring a multicolor image signal based on the video signal and a preset IR image signal, generating a color wheel control synchronization signal and a subfield display signal, generating an acquisition signal, and acquiring gaze point information based on an eye image; a color wheel device for rotating a color wheel in response to the color wheel control synchronization; a DMD display device for reflecting light form the color wheel into a lens in response to the subfield display signal to form an image and projecting the image onto an eye through an optical waveguide mirror; and an IR camera for acquiring the eye image in response to the acquisition signal.

Abstract: The present application discloses an image processing method and apparatus for an electronic device, and the electronic device. The method includes; acquiring a pose change quantity of the electronic device from a previous frame moment to a current frame moment; judging whether the pose change quantity is less than a set threshold; acquiring, in the case where the pose change quantity is less than the set threshold, to-be-rendered image data at the current frame moment according to a current value of a near viewport distance at the current frame moment; rendering the to-be-rendered image data at the current frame moment to acquire a changed image at the current frame moment; and merging a previous frame of image with the changed image to acquire a current frame of image at the current frame moment.

Abstract: A sound-producing glasses temple structure and a head-mounted wearable device, the sound-producing glasses temple structure including a glasses temple housing having an accommodating space, and a deformation sleeve and a sound-producing device disposed in the glasses temple housing, wherein the deformation sleeve wraps an outer surface of the sound-producing device, and the deformation sleeve abuts the glasses temple housing and the sound-producing device and is disposed between the glasses temple housing and the sound-producing device so that the sound-producing device is fixedly suspend in the accommodating space. The sound-producing glasses temple structure can effectively prevent abnormal sound that is not produced by the vibration of the sound-producing device.

Abstract: A virtual scene playback method is disclosed, which comprises: receiving a scene playback instruction and determining playback parameters according to the scene playback instruction, wherein the playback parameters include playback space and playback time; querying virtual space information and user model information corresponding to the playback parameters; and generating virtual scene playback content according to the virtual space information and the user model information. The present disclosure can save all the information in the virtual scene and play back the virtual scene corresponding to specific space and time. A virtual scene playback apparatus, an electronic device and a storage medium are also disclosed, which also have the above beneficial effects.

Abstract: An imaging method of a head-mounted display and a head-mounted display are disclosed. The method includes, but is not limited to: detecting a wavefront of a beam emitted by the head-mounted display through its optical system; acquiring a position of a visual axis of a human eye; calculating a deviation between the visual axis of the human eye and an optical axis of the optical system; and adjusting a wavefront incident to the human eye according to the deviation, so that a correspondence between the wavefront incident to the human eye and the visual axis is consistent with a correspondence between the wavefront of the beam emitted from the optical system and the optical axis.

Abstract: An image processing method and apparatus, an electronic device and a storage medium are disclosed. The method comprises: acquiring a current frame of image; detecting a moving object in the current frame of image to obtain a region of interest and a background region, wherein the region of interest includes the moving object; compressing image data of the region of interest to obtain first image data after compressed; and outputting the first image data after compressed and background picture data corresponding to the background region to a display device to display the current frame of image by the display device.

Abstract: A racket ball game method includes displaying a virtual court and displaying a virtual ball in the virtual court; determining a human body posture according to a relative position of a first handle and the head-mounted device; searching a target movement velocity ratio matching with the human body posture from a mapping relationship according to the human body posture; acquiring a movement trajectory of a second handle in a coordinate system of a head-mounted device; determining a virtual movement trajectory of the second handle in the virtual court according to the movement trajectory of the second handle in the coordinate system of the head-mounted device and the target movement velocity ratio; and determining a movement trajectory of the virtual ball according to the virtual movement trajectory and the movement trajectory of the virtual ball, and displaying the virtual ball according to the movement trajectory of the virtual ball.

Abstract: A data acquisition method and apparatus for a head-mounted display device, a host and a head-mounted display device are provided. The method includes: acquiring user head posture information collected by a head posture sensor; determining a predicted head position at a next rendering moment based on the user head posture information and a current display scene of the head-mounted display device; and acquiring a current video rendering corresponding to the current rendering moment based on the predicted head position and video data at the current rendering moment, in order that the head-mounted display device displays a rendered video at the current rendering moment and a target time warped frame, where the current video rendering includes the rendered video and one or more time warped frames for the next rendering moment, and the target time warped frame is one of the one or more time warped frames.

Abstract: An image display method applied to AR glasses is disclosed. An inner frame of the AR glasses is provided with a first camera, and an outer frame of the AR glasses is provided with a second camera. The image display method comprises: detecting eye rotation information of a glasses wearer by using the first camera (S101); adjusting a shooting angle of the second camera according to the eye rotation information, and acquiring a target image collected by the second camera after adjusting the shooting angle (S102); judging whether there is a target object in the target image (S103); and if yes, displaying an image including position information of the target object via a lens of the AR glasses (S104). The object recognition accuracy of the AR glasses is improved.

Abstract: Disclosed are a method, apparatus and system for adjusting the volume of a head-mounted display device, and a computer-readable storage medium. The method includes: picking up a sound signal at an ear entrance position of a user; acquiring an environment sound signal from the sound signal according to the sound signal and a currently played audio signal; determining an output volume target value of a head-mounted display device according to the environment sound signal; and adjusting the volume of the head-mounted display device according to the output volume target value.

Abstract: An imaging method of a head-mounted display and a head-mounted display are disclosed. The method includes, but is not limited to: detecting a wavefront of a beam emitted by the head-mounted display through its optical system; acquiring a position of a visual axis of a human eye; calculating a deviation between the visual axis of the human eye and an optical axis of the optical system; and adjusting a wavefront incident to the human eye according to the deviation, so that a correspondence between the wavefront incident to the human eye and the visual axis is consistent with a correspondence between the wavefront of the beam emitted from the optical system and the optical axis.

Abstract: A projection mechanism and glasses are disclosed. The projection mechanism comprises an arc-shaped guide rail, a mounting bracket and a projection assembly. The mounting bracket is slidably arranged on the arc-shaped guide rail. The mounting bracket is provided with a through hole. The projection assembly is inserted in the through hole. The arc-shaped guide rail and the mounting bracket are respectively used to connect the rim and the temples. The mounting bracket can be located at a first position or a second position of the arc-shaped guide rail. When the mounting bracket is located at the first position of the arc-shaped guide rail, a light source output end of the projection assembly faces toward the rim. When the mounting bracket is located at the second position of the arc-shaped guide rail, the projection assembly is far away from the rim.

Abstract: A head-mounted device and a control method, apparatus and system are disclosed. The head-mounted device comprises a device body, a bracket connected with the device body, and at least one rotary arm. The bracket is used to wear the head-mounted device on a user's head. The bracket is provided thereon with a bone conduction speaker. One end of the rotary arm is rotationally connected to the bracket, and the other end of the rotary arm is provided with an earphone.

Abstract: Provided are VR image processing method and apparatus. The method includes: rendering left-eye and right-eye viewpoint regions based on left-eye and right-eye view angles respectively, to obtain left-eye and right-eye viewpoint images; determining a candidate region based on positions of the left-eye and right-eye view angles, and selecting a point in the candidate region as a peripheral image view angle; rendering left-eye and right-eye viewpoint peripheral regions based on the peripheral image view angle, to obtain a same viewpoint peripheral image; and splicing the viewpoint peripheral image with the left-eye viewpoint image and with the right-eye viewpoint image to obtain a left-eye complete image and a right-eye complete image.