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An electron microscope diatom image segmentation method and device integrating saliency and superpixels

An image segmentation and super-pixel technology, applied in the field of image processing, can solve the problems of large manpower and complex preprocessing of electron microscope diatom images, etc., and achieve the effect of eliminating interference, reducing algorithm interaction, high speed and high precision segmentation

Active Publication Date: 2022-07-12
GUANGDONG UNIV OF TECH
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Problems solved by technology

[0005] The invention discloses an electron microscope diatom image segmentation method and device that integrates saliency and superpixels, solves the technical problems of complex preprocessing and a large amount of manpower required to extract electron microscope diatom images in the prior art, and realizes fast Fully automatic segmentation of intact target diatoms from complex backgrounds

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  • An electron microscope diatom image segmentation method and device integrating saliency and superpixels
  • An electron microscope diatom image segmentation method and device integrating saliency and superpixels
  • An electron microscope diatom image segmentation method and device integrating saliency and superpixels

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[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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 efforts shall fall within the protection scope of the present invention.

[0035] The present invention provides an electron microscope diatom image segmentation method integrating saliency and superpixel, which includes the following steps, and the specific process is as follows figure 1 shown:

[0036] The GBVS model is improved, and the improved GBVS model is used to achieve rough localization of the target diatom. The specific steps are: improving the direction scale in the feature extraction step of th...

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Abstract

The invention discloses an electron microscope diatom image segmentation method and device integrating saliency and superpixels. The method includes: coarsely locating a saliency region of an electron microscope diatom image to be segmented to obtain a saliency map; calculating the saliency map of the saliency map The optimal threshold value is used to perform binarization processing on the saliency map to obtain a binarized map, and an adaptive initial frame is obtained to obtain an initial rectangular frame; for the binarized map, use superpixels The algorithm expands the initial rectangular frame to construct an adaptive rectangular frame; the parameters of the rectangular frame and the electron microscope diatom image are input into the GrabCut algorithm, and complete diatoms under complex background are obtained by segmentation. Through the above process, the present invention solves the technical problems of complex preprocessing and a lot of manpower for extracting electron microscope diatom images in the prior art, and realizes rapid and automatic segmentation of complete target diatoms under complex backgrounds.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and a device for segmenting an electron microscope diatom image by fusing saliency and superpixels. Background technique [0002] Diatom testing plays a very important role in forensic testing, and its type and number of laboratory tests are the most effective methods for diagnosing corpse drowning, assisting in judging whether the corpse was drowned before death or thrown into the water after death, and where it fell into the water. The main difficulty of diatom inspection is to directly image diatoms in nature. During the imaging process, it will be interfered by complex backgrounds such as fine sand and particles. The quality of diatom segmentation affects the final recognition effect. [0003] Existing methods for diatom segmentation, identification and classification mainly focus on the extraction of the effective area of ​​diatoms imaged by light microscop...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/11G06T7/136G06T7/194G06T7/90
CPCG06T7/11G06T7/136G06T7/194G06T7/90G06T2207/10061G06T2207/20221Y02A90/30
Inventor 顾国生邓杰航甘少伟林俊超赖润好梁鸿津
Owner GUANGDONG UNIV OF TECH
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