Contour line three-dimensional reconstruction method of multiple X-ray rotation images and system thereof

Abstract

The embodiment of the invention discloses a contour line three-dimensional reconstruction method of multiple X-ray rotation images and a system thereof. The corresponding first two-dimensional matrixof the target image contour line is determined according to the acquired target image contour line; the contour points of the first two-dimensional matrix are stored in turn by using the orthogonal priority eight domain traversal tracking method so as to acquire a second two-dimensional matrix; the contour point coordinate set of the target image contour lines of different angles is acquired according to the target image contour lines of different angles and the corresponding second two-dimensional matrix of the target image contour lines of different angles; the corresponding points in the contour point coordinate set are matched so as to acquire the rotation image corresponding point coordinates of the target image; and the rotation image corresponding point coordinates are inversely solved by using the coordinate transformation matrix of the rotation image points so as to acquire the three-dimensional coordinates of the corresponding contour points of the target image contour line.The coordinate information of the contour points is enabled to be more comprehensive through the orthogonal priority eight domain traversal tracking method and the pixel point average interpolation method so that the misdiagnosis phenomenon can be reduced.

Description

technical field [0001] The present application relates to the technical field of digital image recognition, and in particular to a method and system for three-dimensional reconstruction of contour lines of multiple X-ray rotating images. Background technique [0002] Power equipment X-ray inspection technology has been successfully applied in the non-destructive inspection of many substation equipment, such as GIS, secretary transformer, voltage and current transformer, closing resistor, circuit breaker, isolating switch, load switch, etc. Since the application of this system, it has been Many major defects of the substation equipment have been found, resulting in very good economic benefits. This system has great potential for promotion. [0003] The existing X-ray detection technology for power equipment is to firstly perform digital image processing on the X-ray image to segment the background and power equipment in the image; then use edge detection technology to obtain ...

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Problems solved by technology

[0005] This application provides a method and system for three-dimensional reconstruction of multiple X-ray rotational image contour lines to solve the problem of low detection efficiency in the prior art

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