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This paper proposes a Genetic Algorithm based segmentation method that can automatically segment gray-scale images. The proposed method mainly consists of spatial unsupervised grayscale image segmentation that divides an image into regions.…

Computer Vision and Pattern Recognition · Computer Science 2012-05-31 Amiya Halder , Soumajit Pramanik

Digital image processing techniques have wide applications in different scientific fields including the medicine. By use of image processing algorithms, physicians have been more successful in diagnosis of different diseases and have…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Sara Mardanisamani , Zahra Karimi , Akram Jamshidzadeh , Mehran Yazdi , Melika Farshad , Amirmehdi Farshad

An entropy-based image segmentation approach is introduced and applied to color images obtained from Google Earth. Segmentation refers to the process of partitioning a digital image in order to locate different objects and regions of…

Computational Physics · Physics 2009-11-10 A. L. Barbieri , G. Arruda , F. A. Rodrigues , O. M. Bruno , L. da F. Costa

Piecewise constant image approximations of sequential number of segments or clusters of disconnected pixels are treated. The method of majorizing of optimal approximation sequence by hierarchical sequence of image approximations is…

Computer Vision and Pattern Recognition · Computer Science 2013-10-02 M. Kharinov

In this paper, we propose a method to segment regions in three-dimensional point clouds. We assume that (i) the shape and the number of regions in the point cloud are not known and (ii) the point cloud may be noisy. The method consists of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Matthias Sonntag , Veniamin I. Morgenshtern

Binary image segmentation plays an important role in computer vision and has been widely used in many applications such as image and video editing, object extraction, and photo composition. In this paper, we propose a novel interactive…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Jianfeng Zhang , Liezhuo Zhang , Yuankai Teng , Xiaoping Zhang , Song Wang , Lili Ju

In this paper, we develop a Bernstein dual-Petrov-Galerkin method for the numerical simulation of a two-dimensional fractional diffusion equation. A spectral discretization is applied by introducing suitable combinations of dual Bernstein…

Numerical Analysis · Mathematics 2017-05-16 Mostafa Jani , Shahnam Javadi , Esmail Babolian , Dambaru Bhatta

Image segmentation, one of the most critical vision tasks, has been studied for many years. Most of the early algorithms are unsupervised methods, which use hand-crafted features to divide the image into many regions. Recently, owing to the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Qinghong Lin , Weichan Zhong , Jianglin Lu

Image Segmentation is a technique of partitioning the original image into some distinct classes. Many possible solutions may be available for segmenting an image into a certain number of classes, each one having different quality of…

Computer Vision and Pattern Recognition · Computer Science 2013-07-02 Sourav Samantaa , Nilanjan Dey , Poulami Das , Suvojit Acharjee , Sheli Sinha Chaudhuri

Cell nuclei segmentation is one of the most important tasks in the analysis of biomedical images. With ever-growing sizes and amounts of three-dimensional images to be processed, there is a need for better and faster segmentation methods.…

Computer Vision and Pattern Recognition · Computer Science 2017-02-20 Julian Arz , Peter Sanders , Johannes Stegmaier , Ralf Mikut

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

Efficient and easy segmentation of images and volumes is of great practical importance. Segmentation problems that motivate our approach originate from microscopy imaging commonly used in materials science, medicine, and biology. We…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Vedrana Andersen Dahl , Monica Jane Emerson , Camilla Himmelstrup Trinderup , Anders Bjorholm Dahl

Segmentation partitions an image into its constituent parts. It is essentially the pre-processing stage of image analysis and computer vision. In this work, T1 and T2 weighted brain magnetic resonance images are segmented using multilevel…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Abdul kayom Md Khairuzzaman

Computer Vision is growing day by day in terms of user specific applications. The first step of any such application is segmenting an image. In this paper, we propose a novel and grass-root level image segmentation algorithm for cases in…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Viraj Mavani , Ayesha Gurnani , Jhanvi Shah

Rapid growth in the field of quantitative digital image analysis is paving the way for researchers to make precise measurements about objects in an image. To compute quantities from the image such as the density of compressed materials or…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Marylesa Howard , Margaret C. Hock , B. T. Meehan , Leora Dresselhaus-Cooper

Image segmentation has many applications which range from machine learning to medical diagnosis. In this paper, we propose a framework for the segmentation of images based on super-pixels and algorithms for community identification in…

Computer Vision and Pattern Recognition · Computer Science 2016-12-13 Oscar A. C. Linares , Glenda Michele Botelho , Francisco Aparecido Rodrigues , João Batista Neto

Visual segmentation is a key perceptual function that partitions visual space and allows for detection, recognition and discrimination of objects in complex environments. The processes underlying human segmentation of natural images are…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Jonathan Vacher , Pascal Mamassian , Ruben Coen-Cagli

In this paper, we propose a SLaT (Smoothing, Lifting and Thresholding) method with three stages for multiphase segmentation of color images corrupted by different degradations: noise, information loss, and blur. At the first stage, a convex…

Computer Vision and Pattern Recognition · Computer Science 2015-06-02 Xiaohao Cai , Raymond Chan , Mila Nikolova , Tieyong Zeng

Weakly supervised semantic segmentation and localiza- tion have a problem of focusing only on the most important parts of an image since they use only image-level annota- tions. In this paper, we solve this problem fundamentally via…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Dahun Kim , Donghyeon Cho , Donggeun Yoo , In So Kweon

In this paper we study a variational problem in the space of functions of bounded Hessian. Our model constitutes a straightforward higher-order extension of the well known ROF functional (total variation minimisation) to which we add a…

Numerical Analysis · Mathematics 2013-08-09 Konstantinos Papafitsoros , Carola-Bibiane Schönlieb