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Radioactive substance three-dimensional positioning and tracking method and device

A radioactive material and three-dimensional positioning technology, which is applied in the field of radiation detection technology and radioactive detection, can solve problems such as powerlessness, lack of three-dimensional information, radioactive material positioning ability and insufficient accuracy, etc., and achieve the effect of high positioning and tracking accuracy and good reliability

Pending Publication Date: 2018-03-02
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Radiation detection devices are combined with ordinary cameras. Due to the lack of three-dimensional information of the environment, the positioning ability and accuracy of radioactive substances are not enough.
However, nuclear safety and security have very high requirements for nuclear radiation monitoring, and it is necessary to be able to determine the three-dimensional coordinates of the scene where the radioactive material is located. Existing technologies are not enough

Method used

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  • Radioactive substance three-dimensional positioning and tracking method and device
  • Radioactive substance three-dimensional positioning and tracking method and device
  • Radioactive substance three-dimensional positioning and tracking method and device

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Experimental program
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Embodiment 1

[0035] Reference attached figure 1 , a method for three-dimensional positioning and tracking of radioactive substances, comprising the following steps:

[0036] S1: The host computer issues an instruction to start the detection system to scan the environment to be inspected, wherein the detection system includes a radiation detection device and an environment sensing device.

[0037] S2: Obtain the gamma photons of radioactive substances in the target area in real time through the radiation detection device and generate projection data, and obtain the environmental information of the target area in real time through the environmental sensing device. The environmental sensing device includes an ordinary camera imaging device and a three-dimensional imaging device. The ordinary camera imaging device obtains the optical plane image of the target area in real time, and the three-dimensional space model data of the target area is obtained in real time through the three-dimensional ...

Embodiment 2

[0049] Considering that the location of the specific radioactive source may not be known in advance, especially when dealing with large-scale monitoring, or when the area to be inspected, such as the site of a nuclear accident, is not suitable for mobile detection operations due to high radiation levels, mobile detection is required. Therefore, , this embodiment provides a method and device for three-dimensional positioning and tracking of radioactive substances.

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Abstract

The present invention discloses a radioactive substance three-dimensional positioning and tracking method and device. The method comprises the steps of sending out an instruction via an upper computer, and starting a detection system to scan a to-be-detected environment, wherein the detection system comprises a radiation detection device and an environment perception device, the environment perception device comprises a general camera imaging device and a three-dimensional imaging device, the general camera imaging device real-timely obtains an optical plane image of a target area, and the three-dimensional imaging device real-timely obtains the three-dimensional spatial model data of the target area; utilizing a data transmission module to transmit the projection data, the optical plane image and the three-dimensional spatial model data to an imaging and fusion module, using the imaging and fusion module to reconstruct the projection data to obtain a gamma image, and carrying out theimage fusion on the gamma image, the optical plane image and the three-dimensional spatial model data; displaying via an image displaying and processing module, and tracking and positioning a radioactive substance three-dimensionally and visually via a fused image.

Description

technical field [0001] The invention relates to a method and device for three-dimensional positioning and tracking of radioactive substances, belonging to the fields of radiation detection technology and radioactivity detection. Background technique [0002] The positioning of radioactive substances is the focus of the global nuclear safety and security industry, and is widely used in the fields of nuclear industry, nuclear safety, environmental protection, industrial and medical radioactive source management, and public safety. The traditional positioning and tracking of radioactive substances mainly uses radiation detection devices. The gamma images obtained by array detectors reflect the two-dimensional distribution information of radioactive substances, but cannot locate specific physical locations. Furthermore, the position information of the radioactive material can be obtained by integrating an ordinary camera and fused with the optical plane image. Radiation detecti...

Claims

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Application Information

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IPC IPC(8): G06T5/50G01T1/00
CPCG06T5/50G01T1/00G06T2207/20221
Inventor 王璐瑶文万信
Owner SUZHOU UNIV