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51 results about "Sense of presence" patented technology

Immersive virtual reality screen projection system

The invention discloses an immersive virtual reality screen projection system, which includes a projection screen and projection equipment. The projection screen includes a top screen, a vertical screen and a ground screen sequentially connected from top to bottom, and the top screen, vertical screen and ground screen are jointly formed. A three-dimensional viewing space, the projection equipment includes a first projection group, a second projection group and a third projection group, the first projection group includes the first projector projected on the floor screen, and the second projection group includes the first Two projectors, the third projection group includes a third projector projecting on the ceiling. In the present invention, the top screen, the vertical screen and the ground screen are connected as an integrated screen, and the screen is bent or bent as a whole to form a three-dimensional and grand viewing space, and each area on the projection screen is correspondingly equipped with a corresponding The projection group is used to form a balanced and complete projection picture. When the audience walks or stands on the ground, they are surrounded by images, so that the audience has a strong sense of presence and immersion, effectively improving the audience's viewing experience.
Owner:GUANGZHOU FRONTOP DIGITAL ORIGINALITY TECH CO LTD

Wraparound interface layout method, content switching method under three-dimensional immersive environment, and list switching method

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. The present disclosure discloses a content switching method and a list switching method under a three-dimensional immersive environment, which sufficiently utilizes spatial characteristics under the three-dimensional immersive environment, a content to be presented is divided into a plurality of content units, and only display the current content unit or the current list within the scope of the user's sight line, thereby effectively highlighting the content to be displayed, visually improving the sense of space, and enhancing the user's three-dimensional immersive experience. Moreover, the user's switching operation is simplified, thus through a very simple action within a narrow range, the user can complete the content switching or the list switching, and enjoy a smooth and accurate switching experience.
Owner:BEIJING PICO TECH

Virtual remote diagnosis and treatment system

The invention relates to a virtual remote diagnosis and treatment system, which comprises a computer system, cameras and a VR virtual visual device. The two cameras are arranged above the center of adiagnosis room or an operation and treatment room. The two cameras are simulated in a virtual scene as the left eye and the right eye of a person, taking pictures of the process of a diagnosis or operation and treatment on a patient in all directions. The data of the left eye pictures and the right eye pictures is processed, synthesized and transmitted to the VR virtual visual device of a doctor at the remote end by the computer system. Thus the doctor at the remote end can remotely diagnose and treat the patient under a more realistic, all-directions environment. The invention solves the problems that the prior remote diagnosis process is too single in pictures, having no sense of presence, and is difficult to obtain the actual effect of face-to-face communication between doctors and patients, and doctors at the remote end have difficulties in observing the operation details in all directions in remote operation guiding treatments. Moreover, the virtual reality technology is integrated into the remote diagnosis and treatment. Thus the doctor at the remote end can remotely diagnose and treat under a more realistic, all-directions environment.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Guide wire control handle

The invention belongs to the field of medical equipment and specifically relates to a guide wire control handle. The invention aims to solve the problem in prior art that the operation environmental harm of vascular surgeons is great, the surgical precision is poor and the efficiency is low. The guide wire control handle provided by the invention includes a guide wire translation and feedback module, a guide wire rotating module and a body structural part. The guide wire rotating module and the guide wire translation and feedback module are connected and both of the modules are installed on the body structural part; a rotating angle output by the guide wire rotating module generates a posture control signal of the guide wire and the posture control signal is used for driving the guide wireto rotate by taking the length direction of the guide wire as an axis; and the guide wire translation and feedback module outputs a translation amount to generate a displacement control signal of theguide wire and is used for controlling delivery of the guide wire through linear motion and providing force feedback for an operator in the guide wire pushing process. Through the guide wire controlhandle, a doctor can keep away from a radiation area to achieve a remote operation. The sense of presence is enhanced through the force feedback, and the controllability is improved. The guide wire control handle has good clinical practical value.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
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