Method and device for repairing image dividing line
A technology of image segmentation and line segmentation, applied in image analysis, image data processing, instruments, etc., can solve problems such as wrong segmentation of line segments, affecting the accuracy of segmentation line repair, etc., to achieve the effect of improving accuracy and avoiding misleading
Active Publication Date: 2020-11-10
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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[0004] The purpose of the present invention is to overcome the deficiencies in the prior art, propose a kind of repairing method of image dividing line, solve the problem that the accuracy of repairing the dividing line is affected due to producing wrong dividing line segment when connecting discrete dividing points, The invention also proposes a repairing device for image dividing lines
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[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0029] A method for repairing an image segmentation line, the main steps of the method include: continuity analysis of the segmentation line, validity judgment of the segmentation line segment, and discontinuity repair of the segmentation line segment; the steps of the method are described in detail below:
[0030] 1. Split line continuity analysis;
[0031] The scene image obtained by the segmentation algorithm is usually composed of a series of discrete segmentation points, so the continuity analysis of these discrete points is required, that is, the segmentation points are connected to form several segmentation line segments. The segmentation points in the scene segmentation process are usually unidirectional, that is, all segmentation points have one and only one y value corresponding to the image coordinate x or have one and only one x va...
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The invention relates to an image segmentation line patching method and device. After an image is segmented, the obtained segmentation line is composed of discrete segmentation points, the segmentation points are subjected to continuity analysis, and the segmentation points are connected to form no less than one segmentation line segment; the length threshold or the length threshold scope is set in dependence on the distance between segmentation lines, the segmentation line segments which are larger than the length threshold or the length threshold scope are taken as effective segmentation line segments, the segmentation line segments which are lower than the length threshold or the length threshold scope are taken as ineffective segmentation line segments, then, the above effective segmentation line segments are reserved, and discontinuity points among the effective segmentation line segments are patched. According to the invention, on the basis that the correct segmentation line of the image is reserved, the interrupt area of the segmentation line is patched, the defect of the algorithm in the prior art is overcome, the image segmentation line patching method is simple and is easy to implement, and the segmentation line patching accuracy is improved.
Description
technical field [0001] The invention relates to a method and device for repairing image dividing lines, and belongs to the technical field of digital image segmentation. Background technique [0002] Image segmentation is the technology and process of dividing an image into several specific regions with unique properties and proposing objects of interest. The more classic algorithms for natural scene image segmentation include: boundary-based segmentation, feature-based Mean-shift method, energy function optimization-based segmentation, and graph-theory-based segmentation methods, etc. These algorithms have made considerable progress in recent years and have been applied in many fields. [0003] The segmentation results of the scene image according to the above segmentation methods are usually some discrete segmentation points, and the segmentation lines formed after connecting with some continuity analysis methods may also have discontinuities and errors, which requires so...
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IPC IPC(8): G06T7/136
Inventor 羊毅王建华孟冬冬刘振强侯康
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC