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323 results about "Image converter" patented technology

Image converter

Any given part is cut out from a distorted circular image photographed by use of a fisheye lens and converted into a planar regular image with less distortion. A virtual sphere H having a radius R on a distorted circular image S on an XY plane is defined, thereby allowing a user to designate a cut-out center point P, a magnification m, and a planar inclination angle φ. A visual line vector n passing through an intersecting point Q immediately above the point P is determined to define an UV orthogonal coordinate system having an orientation depending on the angle φ on a plane orthogonal to a visual line vector n at a point G in which a distance between two points OG is given as m·R. The UV orthogonal coordinate system is curved along the side face C of a “virtual cylindrical column in which the point G forms one point on the side face to have a straight line V′ parallel to the V axis and also passing through the point O as a central axis,” thereby defining the UV curved coordinate system. Correspondence relationship equations between a point Ci (ui, vi) on the UV curved coordinate system and a point Si (xi, yi) on the XY coordinate system are used to obtain an image in the vicinity of a point P on the UV curved coordinate system, and the image is expanded on a plane T to obtain a planar regular image.
Owner:DAI NIPPON PRINTING CO LTD

Unmanned aerial vehicle 3D virtual reality shooting system

A unmanned aerial vehicle 3D virtual reality shooting system of the present invention comprises a multi-rotor unmanned aerial vehicle, a virtual reality helmet and a data transfer device, and the multi-rotor unmanned aerial vehicle is equipped with a binocular 3D camera, a three-shaft self-stabilizing pan-tilt and a flight control module. The binocular 3D camera is connected with an image emitter, the three-shaft self-stabilizing pan-tilt is connected with a head tracking information receiver, and the flight control module is connected with a flight control communication module reception terminal. The virtual reality helmet is equipped with a 3D display, a head tracking sensor and a gesture controller, the data transfer device is equipped with a data processing center, and the data processing center is connected with an image converter, a head tracking information output module and a flight control communication module emission terminal. The beneficial effects of the present invention are that a 3D flight picture shooting function, a head tracking control function and a gesture control function are integrated, so that users can feel the pictures in a shooting range personally; the unmanned aerial vehicle 3D virtual reality shooting system can substitute for a remote controller of complicated operations, so that a unmanned aerial vehicle can be operated more really and conveniently.
Owner:常州视线电子科技有限公司
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