Intelligent CT (computed tomography) scanning method and intelligent CT scanning device

A CT scanning and initialization technology, applied in the direction of using radiation for material analysis, can solve the problems of high professional knowledge requirements of inspectors, cumbersome and complicated operations, etc., and achieve the effect of improving inspection efficiency, objective inspection process, and good quality control.

Active Publication Date: 2014-05-07
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

Due to the variety of detection objects, industrial CT has high requirements for the professional knowledge of inspection personnel, requiring inspection ...

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  • Intelligent CT (computed tomography) scanning method and intelligent CT scanning device
  • Intelligent CT (computed tomography) scanning method and intelligent CT scanning device
  • Intelligent CT (computed tomography) scanning method and intelligent CT scanning device

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0023] The method described in the embodiment of the present invention can automatically adjust the voltage and current of the X-ray machine after placing the object to be detected, automatically adjust the position of the object to be detected, and then collect the projection data of the object to be detected, thereby reducing the need for inspection personnel's professional knowledge requirements, improve the detection efficiency, make the detection proc...

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Abstract

The invention discloses an intelligent CT (computed tomography) scanning method and an intelligent CT scanning device. The method comprises the following steps: placing a to-be-detected object onto a carrier table of a CT scanning device, and firstly photographing a DR picture; judging whether the to-be-detected object exceeds the field of view or not by utilizing a Canny margin detection algorithm, and reporting an error if the to-be-detected object exceeds the field of view; otherwise, moving the to-be-detected object onto the center of an X axis of the carrier table, rotating the carrier table for 90DEG, re-photographing a DR picture, judging whether the to-be-detected object exceeds the field of view or not by utilizing the canny margin detection algorithm, and reporting an error if the to-be-detected object exceeds the field of view; otherwise, moving the to-be-detected object onto the center of a Y axis of the carrier table, and adopting the current position as a CT scanning position; moving the to-be-detected object back to the CT scanning position, and starting the CT scanning. By adopting the method, the requirement on the professional knowledge of the detection personnel is lowered, the detection efficiency is improved, the detection process is more objective, standard and intelligent, and the quality control can be better realized.

Description

technical field [0001] The invention relates to the technical field of computed tomography CT, in particular to an intelligent CT scanning method and device. Background technique [0002] At present, computed tomography CT is a comprehensive science and technology, which is the product of the combined development of physics, mathematics, computer, machinery, electronics, control and other professional technologies. Industrial CT uses rays to scan the object to be detected. When the ray beam passes through the object, it will be attenuated. The attenuation of the ray intensity is related to the material composition, density, size and ray energy of the object. The detector collects the projection information of the object from different angles, transmits it to the computer, obtains the cross-sectional image of the object through a certain reconstruction algorithm, and then performs three-dimensional reconstruction to obtain the stereo image information. The image information ...

Claims

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Application Information

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IPC IPC(8): G01N23/04
Inventor 袁路路魏存峰王燕芳孟凡辉黄欢舒岩峰魏龙
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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