A method and device for intelligent ct scanning
A technology of CT scanning and initialization, which is applied in the direction of material analysis using radiation, etc., can solve the problems of cumbersome and complicated operations, and require high professional knowledge of inspectors, and achieve the objective detection process, improve detection efficiency, and reduce the requirements for professional knowledge.
Active Publication Date: 2016-08-17
INST OF HIGH ENERGY PHYSICS CHINESE ACAD 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 personnel to set appropriate X-ray machine and detector parameters according to different detection objects, resulting in cumbersome and complicated operations.
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[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to 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 professional knowledge of the detection personnel. Requirements, improve detection efficiency, make the detection proce...
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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 combination of physics, mathematics, computer, machinery, electronics, control and other professional technologies. Industrial CT uses radiation to scan the object to be detected. When the radiation beam passes through the object, it will be attenuated. The attenuation of the radiation intensity is related to the material composition, density, size and radiation energy of the object. The detector collects projection information from different angles of the object, 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 stereoscopic image information. The ...
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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 ACAD OF SCI