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Spatial registration method based on panoramic high-speed ball integrated machine

A space registration and high-speed dome technology, which is applied to color TV parts, TV system parts, TVs, etc., can solve the problems of high-speed dome cameras that cannot be accurately positioned and photographed, and registration is difficult

Active Publication Date: 2016-05-11
HUNAN VISION SPLEND PHOTOELECTRIC TECH
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  • Description
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AI Technical Summary

Problems solved by technology

[0006] The present invention provides a spatial registration method based on the panoramic high-speed dome all-in-one machine in order to solve the technical problems of the current panoramic high-speed dome all-in-one machine that registration is difficult and that the high-speed dome camera cannot be positioned and photographed accurately

Method used

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  • Spatial registration method based on panoramic high-speed ball integrated machine
  • Spatial registration method based on panoramic high-speed ball integrated machine
  • Spatial registration method based on panoramic high-speed ball integrated machine

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Embodiment Construction

[0055] A spatial registration method based on a panoramic high-speed dome all-in-one machine, comprising the following steps:

[0056] Step 1: Establish a panoramic cylindrical coordinate system, a high-speed spherical coordinate system and a spherical coordinate system;

[0057] (a) establish a panoramic cylindrical coordinate system based on the panoramic image; as Figure 6 shown;

[0058] Establish a panoramic cylindrical coordinate system XOZ based on the panoramic image, where O is the center of the panoramic image, the X axis points to the horizontal direction, the Z axis points to the vertical upward direction, and the Y axis is perpendicular to the plane formed by the XOZ plane; the width of the panoramic cylindrical image is W , the height is H, the horizontal viewing angle is AngleW, and the vertical viewing angle is AngleH, then the equivalent focal length of the panoramic cylindrical image is C f =W / AngleW=H / AngleH; the image pixel coordinates in the panoramic c...

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Abstract

The invention relates to a method for image registration, in particular to a space registering method based on a panoramic all-in-one speed dome camera. The technical problem that an existing panoramic all-in-one speed dome camera can not be accurately located is solved. The space registering method based on the panoramic all-in-one speed dome camera comprises the following steps that step one, a panoramic cylindrical coordinate system, a speed dome camera coordinate system and a spherical surface coordinate system are established; step two, change from the panoramic cylindrical coordinate system to the spherical surface coordinate system is conducted and change from the speed dome camera coordinate system to the spherical surface coordinate system is conducted; step three, characteristic points of a whole-screen image and characteristic points of a speed dome camera image are matched; step four, according to the matched characteristic points, a changing matrix is solved; step five, a point or a zone needing to be observed is selected from the panoramic image, and the rotating angle of a speed dome camera is calculated. The rotating angle of the speed dome camera can be rapidly and accurately calculated, the local scene is shot, and the space registering method based on the panoramic speed dome camera all-in-one machine has the advantages of improving the performance of a monitoring device and satisfying the requirements of a user.

Description

technical field [0001] The invention relates to an image registration method, which belongs to the field of image information processing, in particular to a spatial registration method based on a panoramic high-speed dome all-in-one machine. Background technique [0002] In recent years, with the development of video surveillance technology, the market demand for wide-angle panoramic surveillance equipment is increasing. Panoramic monitoring technology uses fisheye lenses or catadioptric omnidirectional imaging devices to generate panoramic video images containing all-round scene information, which can realize the display of large-field and wide-view scene images, and has very important application value in the field of security monitoring. [0003] The panoramic speed dome all-in-one machine is a new type of panoramic monitoring equipment, which is composed of a panoramic camera 1 and a high-speed dome camera 2, such as figure 1 shown. Among them, the panoramic camera ado...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N7/18
Inventor 刘煜熊志辉张茂军谭树人徐玮王炜包卫东赖世铭尹晓晴
Owner HUNAN VISION SPLEND PHOTOELECTRIC TECH
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