Abstract: The present invention provides a projection method, a projector and a projection system of fully covering a multi-directional circular-screen. The projection method obtains a circular-screen projection surface by dividing a visual platform to be projected; arranging each optical machine according to minimum optical path distance information. Each optical machine to be arranged projects an image onto each circular-screen projection surface to obtain a first projection coverage range; and adjusts the first projection coverage range according to setting parameters corresponding to each optical machine to be arranged according to a preset projection surface to obtain a second projection coverage range. The system calculates geometric parameters and the second projection coverage range of each optical machine to be arranged to obtain a spatial position and a rotation angle range of each optical machine to be arranged.

Abstract: The projection method obtains a circular-screen projection surface by dividing a visual platform to be projected, arranges each optical machine to be arranged according to maximum optical path distance information that each optical machine to be arranged projects an image onto each circular-screen projection surface to obtain a first projection coverage range, and adjusts the first projection coverage range according to setting parameters corresponding to each optical machine to be arranged and in accordance with a preset projection surface to obtain a second projection coverage range. The projection method calculates geometric parameters and the second projection coverage range of each optical machine to be arranged to obtain a spatial position and a rotation angle range of each optical machine to be arranged.

Abstract: This invention provides a rendering and optimizing method and a projection method based on a CAVE system. The rendering and optimizing method includes: acquiring first visual coordinate information of a user relative to each visual plane; generating a projection channel of the user relative to each visual plane based on the first visual coordinate information; selecting a projected object in the projection channel according to a history or visual preference information instantly input by the user; and rendering a pipeline based on the projected object in the projection channel and reading a projection result. This invention can provide personalized rendering options for users in the CAVE system.

Abstract: The present invention provides an asynchronous data multiplexing method and device. The method includes the following steps: acquiring status flag, serial number, and data information of each branch data; performing asynchronous data buffering processing on the data information of each branch data according to preset channel transmission bit-serial number to obtain buffered data of each branch; then determining each branch data according to the status flag, if the status flag is valid identification information, a flag bit corresponding to a frame header is set according to the valid identification information, and the buffered data of the current branch data is added to a corresponding position of the data part by bit; and if the status flag is invalid identification information, the flag bit corresponding to the frame header is kept unchanged.

Abstract: This invention provides a projection method with multiple rectangular planes at arbitrary positions to a variable projection center, including: obtaining a user viewpoint position; comparing a horizontal field of view angle between the user viewpoint position and each visual plane with a predetermined range, wherein if the horizontal field of view angle fails to be within the predetermined range, the user viewpoint position is updated to a new user viewpoint position, such that the horizontal field of view angle between the new user viewpoint position and each visual plane is just within the predetermined range; and respectively generating projection channel corresponding to each visual plane based on the user viewpoint position and performing projecting. The technical solution of the present invention can achieve the information interaction between the projection position of the CAVE system and the actual visual position of the user and the processing of the information.

Abstract: The present invention provides a projection method, equipment and system for achieving short focal length circular-screen output based on multiple optical machines. The projection method includes: setting a plurality of optical machines corresponding to one visual plane; calculating a value range of a throw ratio of the optical machines corresponding to the visual plane according to a percentage of a fusing zone formed when projection of the optical machines intersects each other and is projected to the corresponding visual plane and an expected screen ratio; obtaining setting parameters of each optical machine based on the value range of the throw ratio of each optical machine; and obtaining a spatial position and a rotation angle range for when the optical machines are projecting based on the setting parameters of the optical machines and a projection area of an optical path coverage range of the optical machines on the corresponding visual plane.

Abstract: The present invention provides a projection method, equipment and system for achieving short focal length circular-screen output based on multiple optical machines. The projection method includes: setting a plurality of optical machines corresponding to one visual plane; calculating a value range of a throw ratio of the optical machines corresponding to the visual plane according to a percentage of a fusing zone formed when projection of the optical machines intersects each other and is projected to the corresponding visual plane and an expected screen ratio; obtaining setting parameters of each optical machine based on the value range of the throw ratio of each optical machine; and obtaining a spatial position and a rotation angle range for when the optical machines are projecting based on the setting parameters of the optical machines and a projection area of an optical path coverage range of the optical machines on the corresponding visual plane.

Abstract: The present invention provides a projection method, a projector and a projection system of fully covering a multi-directional circular-screen. The projection method obtains a circular-screen projection surface by dividing a visual platform to be projected; arranging each optical machine according to minimum optical path distance information. Each optical machine to be arranged projects an image onto each circular-screen projection surface to obtain a first projection coverage range; and adjusts the first projection coverage range according to setting parameters corresponding to each optical machine to be arranged according to a preset projection surface to obtain a second projection coverage range. The system calculates geometric parameters and the second projection coverage range of each optical machine to be arranged to obtain a spatial position and a rotation angle range of each optical machine to be arranged.

Abstract: This invention provides a rendering and optimizing method and a projection method based on a CAVE system. The rendering and optimizing method includes: acquiring first visual coordinate information of a user relative to each visual plane; generating a projection channel of the user relative to each visual plane based on the first visual coordinate information; selecting a projected object in the projection channel according to a history or visual preference information instantly input by the user; and rendering a pipeline based on the projected object in the projection channel and reading a projection result. This invention can provide personalized rendering options for users in the CAVE system.

Abstract: The present invention provides an asynchronous data multiplexing method and device. The method includes the following steps: acquiring status flag, serial number, and data information of each branch data; performing asynchronous data buffering processing on the data information of each branch data according to preset channel transmission bit-serial number to obtain buffered data of each branch; then determining each branch data according to the status flag, if the status flag is valid identification information, a flag bit corresponding to a frame header is set according to the valid identification information, and the buffered data of the current branch data is added to a corresponding position of the data part by bit; and if the status flag is invalid identification information, the flag bit corresponding to the frame header is kept unchanged.

Abstract: The projection method obtains a circular-screen projection surface by dividing a visual platform to be projected, arranges each optical machine to be arranged according to maximum optical path distance information that each optical machine to be arranged projects an image onto each circular-screen projection surface to obtain a first projection coverage range, and adjusts the first projection coverage range according to setting parameters corresponding to each optical machine to be arranged and in accordance with a preset projection surface to obtain a second projection coverage range. The projection method calculates geometric parameters and the second projection coverage range of each optical machine to be arranged to obtain a spatial position and a rotation angle range of each optical machine to be arranged.

Abstract: This invention provides a projection method with multiple rectangular planes at arbitrary positions to a variable projection center, including: obtaining a user viewpoint position; comparing a horizontal field of view angle between the user viewpoint position and each visual plane with a predetermined range, wherein if the horizontal field of view angle fails to be within the predetermined range, the user viewpoint position is updated to a new user viewpoint position, such that the horizontal field of view angle between the new user viewpoint position and each visual plane is just within the predetermined range; and respectively generating projection channel corresponding to each visual plane based on the user viewpoint position and performing projecting. The technical solution of the present invention can achieve the information interaction between the projection position of the CAVE system and the actual visual position of the user and the processing of the information.