Separation and combination method for aromatic hydrocarbon lattice fringe crossing in HRTEM image

An aromatic hydrocarbon lattice and image technology, applied in the field of image processing, can solve the problems of relying on experience and subjective consciousness, consuming physical strength and time, reducing subjective and empirical factors, avoiding tediousness, and accurate lattice fringe information. favorable effect

CN113888409APending Publication Date: 2022-01-04TAIYUAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2022-01-04

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Abstract

The invention discloses a separation and combination method for aromatic hydrocarbon lattice fringe crossing in an HRTEM image, and the method includes employing semantic segmentation, genetic algorithm and similarity methods to find out main fringe parts for analysis and processing, thereby reducing the influence of binaryzation on image distortion; removing burrs of the stripes extracted each time, performing similarity judgment on each cross stripe by taking a non-cross stripe as a reference, and determining whether the segmented stripes are in a combined state or a continuous segmentation state according to the difference degree of the similarity; and judging the directions and sizes of all the stripes, and generating corresponding pictures for research. According to the invention, the complexity of manual stripe trimming can be avoided, trimming difficulty caused by subjective factors and experience factors during manual trimming can be reduced, lattice stripes can be conveniently and quickly extracted, noise parts are overcome, accuracy is improved, finally the distribution condition, length, angle and length-diameter ratio information of the stripes is obtained, and lattice fringe information carried in the HRTEM is more accurate and beneficial.
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Description

technical field

[0001] The invention relates to the technical field of image processing, in particular to a method for separating and merging the intersection of aromatic hydrocarbon lattice fringes in HRTEM images. Background technique

[0002] In recent years, in order to study the molecular arrangement of coal aromatic hydrocarbons, researchers mainly observe directly through high-resolution transmission electron microscopy, which brings great convenience to the study of molecular arrangement of aromatic hydrocarbons, but how to accurately and effectively observe the molecular arrangement, Especially the intersecting lattice fringes are a very important and thorny problem.

[0003] At present, there are two main processing methods. The first is that researchers will use some software to threshold the image of the sample image observed under the high-resolution transmission electron microscope, and perform binary processing on the image, and then use related drawing softw...

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described are only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] The object of the present invention is to provide a method for separating and merging aromatic hydrocarbon lattice fringes intersecting in a kind of HRTEM image, comprising the following steps:

[0040] Step 1), perform semantic segmentation on the preprocessed original image, and separate the lattice fringe region;

[0041] Step 2), block the image of the main part of the separated lattic...