Abstract: An interface deploying method and apparatus are provided in a 3D immersive environment. The method includes: arranging an interface element displaying layer and a real scene displaying layer in turn from near to far in a direction of a user's sight line; using a camera device to collect real scenes of a real environment where the user is located, and displaying them to the user by the real scene displaying layer; and setting interface elements to a translucent state, and displaying the interface elements via the interface element displaying layer. In the above manner, the user may observe the changes of the real environment in real time while experiencing the 3D immersive environment, thereby experiencing the 3D immersive environment without affecting realistic basic behaviors.

Abstract: The present method comprises: obtaining a texture of one or more 2D application interfaces to be displayed; determining a virtual reality scene to be displayed, and writing the virtual reality scene into a frame buffer of an Android system in a left-right screen splitting mode using an OpenGL function; sketching contents in the frame buffer of the Android system onto left and right screens of the virtual reality device respectively to form a virtual screen in the virtual reality scene; sketching the obtained texture of the one or more 2D application interfaces to be displayed onto the virtual screen in the virtual reality scene of the left and right screens, respectively. The method renders the 2D application interface as images in left and right eyes simultaneously, with a three-dimensional sense, and facilitates the use of a large number of existing Android applications in the virtual reality system.

Abstract: The present invention discloses a head-mounted display and a video data processing method thereof. The head-mounted display comprises: a video input module, a distortion processing module and a video output module. The head-mounted display divides each image frame in a video into a plurality of image blocks of symmetry according to a graphic correspondence of a distorted image after a distortion processing, performs a distortion processing of any one of the image blocks, and obtains data of the current image frame after the distortion processing according to the graphic correspondence.

Abstract: A system for 3D online sports athletics includes: a cloud server and several head-mounted devices, wherein each of the head-mounted devices is paired with an intelligent terminal having a step counting function. A 3D scene virtualizing unit virtualizing a 3D online sports athletics scene to display the virtualized objects of all the head-mounted device users. A wirelessly connecting unit wirelessly connecting the intelligent terminal that it is paired with and the cloud server. A processing unit acquiring step counting data of the intelligent terminal and uploading the step counting data to the cloud server, and acquiring the step counting data of other head-mounted devices from the cloud server, driving the 3D scene virtualizing unit to display online the step counting data of each of the head-mounted device users in its 3D online running athletics scene, to realize sports athletics where a plurality of persons are simultaneously online.

Abstract: The present disclosure discloses an information input method in a 3D immersive environment, comprising: displaying a virtual keyboard in the 3D immersive environment; selecting a key position on the virtual keyboard and determining the selected key position; and sending a confirmation instruction to the selected key position, and inputting information corresponding to the selected key position into an information input box to thereby complete information input for one time. Displaying the virtual keyboard to the user in the 3D immersive environment and receiving the user's selection and confirmation instruction of the key position on the virtual keyboard solves the problem that the user, wearing the virtual reality headset device, cannot see actual key positions of a keyboard in reality and cannot input information and enables the user to conveniently and quickly input information by typewriting in the virtual environment.

Abstract: The present disclosure discloses a wraparound interface layout method, which adopts a user-centered wraparound layout in a stereo space, thus more display objects are available for the layout, and the expansibility is better; by clearly presenting the display objects located in a user's sight line to the user, main content in the interface is effectively highlighted, so that the user finds the sense of presence, and a better user experience is achieved; in addition, the distances from the display objects to the human eyes are corrected, which avoids the undesirable display effect that the objects close to the user are visually larger and the objects far away from the user are visually smaller, and provides a more comfortable viewing experience.

Abstract: An apparatus for extending binocular camera positioning range includes: a rotatable base, a positioning module, a judging module, and a controlling module. The rotatable base is disposed on the binocular camera and drives a lens of the binocular camera to rotate. The positioning module calculates, in real time, spatial coordinates of the target to be positioned in the field of vision of the binocular camera according to an image of the target collected by the binocular camera. The judging module determines whether the target to be positioned will go out of the field of vision of the binocular camera soon according to the spatial coordinates. The controlling module may control the rotatable base to drive the lens of the binocular camera to rotate and adjust a direction of the lens of the binocular camera so that the field of vision of the binocular camera always covers the target.

Abstract: The present disclosure discloses a virtual cinema and an implementation method thereof. The implementation method of the virtual cinema comprises: arranging a virtual screen, and playing a video content thereon; and projecting ambient light varying with the video content around the virtual screen. By projecting ambient light varying with the video content around the virtual screen while displaying the video content to the user through the virtual screen, the sense of reality is enhanced, thereby solving the problem that the user experience is affected because the ambient light is not considered enough in the existed virtual cinema.

Abstract: A method and device of controlling a virtual mouse and a head-mounted displaying device are disclosed. The method of controlling a virtual mouse includes, but is not limited to utilizing a sensor provided in a head-mounted displaying device to gather a user's head motion data; calculating the gathered head motion data, to obtain a two-dimensional coordinate value in a coordinate system where the displaying screen of the head-mounted displaying device is located; and according to the two-dimensional coordinate value, controlling a virtual mouse of the head-mounted displaying device to perform a corresponding mouse moving operation on the displaying screen. The method directly controls the moving of a virtual mouse according to the user's head motion, and omits externally connected physical mice. Therefore the input control of the head-mounted displaying device is more precise, user operation is facilitated, and the usage experience is improved.

Abstract: The present disclosure discloses a head-wearable displaying and powering system, comprising a head-wearable display device, a portable terminal and a powering device; the powering device comprises a first communication interface for connecting to the portable terminal and a second communication interface for connecting to the head-wearable display device; a data pathway is disposed between two communication interfaces to implement direct communication between the head-wearable display device and the portable terminal; when the powering device is simultaneously connected with the portable terminal and head-wearable display device, the powering device powers the head-wearable display device, and the head-wearable display device does not consume electrical power of a battery of the portable terminal. Meanwhile, the head-wearable display device is directly connected to the portable terminal. When the powering device is only connected with the portable terminal, the powering device powers the portable terminal.

Abstract: The present invention discloses a virtual reality scene implementation method comprising: creating left and right eye screens, wherein the size, proportion and position of the left and right eye screens are completely consistent; parsing and loading an environmental model; adjusting parameters of the environmental model and/or synchronously adjusting attributes of the left and right eye screens to mutually match the model and the left and right eye screens for forming an initial VR scene; and obtaining a 3D molivideo, intercepting image of each frame of the molivideo and splitting the image into left and right halves; sequentially drawing the left and right half images of each frame on the screens respectively for forming a final VR scene. The present invention further discloses a virtual reality apparatus. And the invention provides a technical solution for users to set a virtual reality scene by themselves.

Abstract: A method of vision correction in a virtual reality environment, comprising: judging if a user is for the first time entering the virtual reality environment, if yes, providing the user with an initial visual position; monitoring in real time action of the user, and judging if the user is in a stable state in the virtual reality environment; if the user is in a stable state, adjusting the visual position of the user according to change of sight lines of the user; and if the user is in an unstable state, renewedly providing the user with an initial visual position; and monitoring in real time change of a scene in the virtual reality environment, and if the scene is taking discontinuous switching, renewedly providing the user with an initial visual position according to a new scene. The present disclosure performs automatic vision correction according to the usage scenes and the cognition custom of the user, which reduces user operation and improves the user experience.

Abstract: The present invention discloses an image correction method for an adjustable virtual reality helmet. The method comprises the steps of: pre-storing in the helmet a corresponding relation table between a configuration parameter and an image correction parameter and an image correction formula of the helmet; acquiring a real-time configuration parameter of the helmet; searching in the corresponding relation table an image correction parameter corresponding to a configuration parameter closest to the real-time configuration parameter; and performing image correction by calling the image correction formula based on a searched image correction parameter. The present invention also provides an image correction system for an adjustable virtual reality helmet. The present invention can provide better image correction effects for an adjustable virtual reality helmet.

Abstract: The present invention discloses a portable device and a method of controlling HDMI signal output therein. The portable device comprises: a microcontroller unit, a USB Type-C interface, and a plurality of analog switches. Each of the analog switches is arranged between a HDMI signal output pin of the microcontroller unit and a corresponding pin of the USB Type-C interface. The microcontroller unit is configured to detect a positive or reverse insertion direction of the USB Type-C interface, and output a corresponding control signal to the analog switch according to the difference of the insertion direction. The analog switch is configured to shift a switching direction according to the control signal so that the HDMI signal is output through a corresponding pin of the USB Type-C interface.

Abstract: The present invention discloses a network-based video type identification method and system, a client, a server and an electronic device. In the present invention, a client generates a video identification code for a local video, and sends a request querying about a type of the video to a server; the server queries about a video type in a database based on the video identification code and returns a query result; the client sets the video type based on the query result; the client judges whether playing of the video reaches a predetermined duration; if the predetermined duration is reached, the client sends a video type report carrying the video identification code to the server; and the server updates the video type in the database based on the video type report. This invention provides a network-based video type identification technique with high identification accuracy.

Abstract: A method includes, but is not limited to, arranging several linear motors based on a 3D spherical model to form a linear motor matrix, and determining an azimuth of each linear motor on the 3D spherical model, performing information extraction for received 3D audio signal, and obtaining azimuth, frequency and amplitude information of the 3D audio signal reaching a central position of the 3D spherical model, generating a motor drive signal according to the azimuth, frequency and amplitude information of the 3D audio signal reaching a central position of the 3D spherical model, and driving a linear motor in the linear motor matrix within a certain scope away from the azimuth of the 3D audio signal to vibrate.

Abstract: A virtual reality system and a method of controlling working state of the virtual reality system. The virtual reality system comprises a video playing device and a virtual reality glasses box, and the virtual reality glasses box utilizes a screen of the video playing device to play a video content, the method comprises: establishing a wired or wireless connection between the video playing device and the virtual reality glasses box; when the video playing device is placed in the virtual reality glasses box, transmitting information of wearing state of the virtual reality glasses box to the video playing device; and controlling a playing state of the video playing device according to the wearing state of the virtual reality glasses box.

Abstract: A method for recognizing an application type, includes, but is not limited to, judging whether an application in a system has an application type mark. If so, acquiring a value of the application type mark of the application, and comparing the value of the application type mark with a preset value of each application type to recognize a type of the application. The application type mark refers to metadata that can indicate the type of the application that was added into a list configuration file of the application when the application was being developed. If not, acquiring an application package name of the application, and recognizing the type of the application according to the application package name. By applying the mark, the system can automatically judge whether the current application is a Virtual Reality (VR) application or an ordinary 2D application, thereby performing appropriate output processing, and brining better user experience.

Abstract: A method and system for locating a plurality of targets are provided, wherein all targets to be located move within a spatial area. The method comprises: providing an infrared light source on each of the targets to be located; according to a preset sampling frequency, controlling the infrared light source on each of the targets to be located to be turned on and off sequentially; according to the preset sampling frequency, obtaining infrared gray scale images of the space where the targets to be located are located; and locating one target to be located in each of the obtained infrared gray scale images. By the infrared light source locating, ambient interference is highly avoided, and the accuracy of the locating is improved.

Abstract: The head-wearable display device according to the present invention is provided with one communication interface via which the head-wearable display device is connected with a portable terminal, to obtain audio and video data from the portable terminal, exchange data with the portable terminal and obtain working power supply from the portable terminal. As compared with current externally-connected type head-wearable display device which has to employ a plurality of cables, the head-wearable display device according to the present invention may operate normally in a way of connecting with the portable terminal via only one cable, without occupying too many communication interfaces of the portable terminal, avoids the problem that the head-wearable display device and portable terminal cannot establish connection because types and number of communication interfaces on the portable terminal cannot meet the needs of the head-wearable device.