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Segmentation is a key stage in dermoscopic image processing, where the accuracy of the border line that defines skin lesions is of utmost importance for subsequent algorithms (e.g., classification) and computer-aided early diagnosis of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Pedro M. M. Pereira , Rui Fonseca-Pinto , Rui Pedro Paiva , Luis M. N. Tavora , Pedro A. A. Assuncao , Sergio M. M. de Faria

Perception research provides strong evidence in favor of part based representation of shapes in human visual system. Despite considerable differences among different theories in terms of how part boundaries are found, there is substantial…

Computer Vision and Pattern Recognition · Computer Science 2011-04-13 Sibel Tari

Accurate segmentation of critical anatomical structures is at the core of medical image analysis. The main bottleneck lies in gathering the requisite expert-labeled image annotations in a scalable manner. Methods that permit to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Yuhang Lu , Weijian Li , Kang Zheng , Yirui Wang , Adam P. Harrison , Chihung Lin , Song Wang , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao

Image segmentation is an important component of many image understanding systems. It aims to group pixels in a spatially and perceptually coherent manner. Typically, these algorithms have a collection of parameters that control the degree…

Computer Vision and Pattern Recognition · Computer Science 2018-02-02 Marc Bosch , Christopher M. Gifford , Austin G. Dress , Clare W. Lau , Jeffrey G. Skibo , Gordon A. Christie

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

This survey gives an overview over different techniques used for pixel-level semantic segmentation. Metrics and datasets for the evaluation of segmentation algorithms and traditional approaches for segmentation such as unsupervised methods,…

Computer Vision and Pattern Recognition · Computer Science 2016-05-13 Martin Thoma

Persistent homology is a cornerstone of topological data analysis, offering a multiscale summary of topology with robustness to nuisance transformations, such as rotations and small deformations. Persistent homology has seen broad use…

Methodology · Statistics 2025-11-19 Zitian Wu , Arkaprava Roy , Leo L. Duan

Low-level texture feature/knowledge is also of vital importance for characterizing the local structural pattern and global statistical properties, such as boundary, smoothness, regularity, and color contrast, which may not be well addressed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Deyi Ji , Feng Zhao , Hongtao Lu , Feng Wu , Jieping Ye

Image segmentation foundation models (SFMs) like Segment Anything Model (SAM) have achieved impressive zero-shot and interactive segmentation across diverse domains. However, they struggle to segment objects with certain structures,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Yixin Zhang , Nicholas Konz , Kevin Kramer , Maciej A. Mazurowski

The midline related pathological image features are crucial for evaluating the severity of brain compression caused by stroke or traumatic brain injury (TBI). The automated midline delineation not only improves the assessment and clinical…

Image and Video Processing · Electrical Eng. & Systems 2020-02-28 Shen Wang , Kongming Liang , Chengwei Pan , Chuyang Ye , Xiuli Li , Feng Liu , Yizhou Yu , Yizhou Wang

Textured meshes are becoming an increasingly popular representation combining the 3D geometry and radiometry of real scenes. However, semantic segmentation algorithms for urban mesh have been little investigated and do not exploit all…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Grégoire Grzeczkowicz , Bruno Vallet

Object detection or localization is an incremental step in progression from coarse to fine digital image inference. It not only provides the classes of the image objects, but also provides the location of the image objects which have been…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Abdul Mueed Hafiz , Ghulam Mohiuddin Bhat

As estimators of location parameters, univariate trimmed means are well known for their robustness and efficiency. They can serve as robust alternatives to the sample mean while possessing high efficiencies at normal as well as heavy-tailed…

Statistics Theory · Mathematics 2007-06-13 Yijun Zuo

The difficulties in dealing with discontinuities related to a sharp crack are overcome in the phase-field approach for fracture by modeling the crack as a diffusive object being described by a continuous field having high gradients. The…

Computational Engineering, Finance, and Science · Computer Science 2023-12-05 Sindhu Nagaraja , Mohamed Elhaddad , Marreddy Ambati , Stefan Kollmannsberger , Laura De Lorenzis , Ernst Rank

We describe a method for classification of handwritten Kannada characters using Hidden Markov Models (HMMs). Kannada script is agglutinative, where simple shapes are concatenated horizontally to form a character. This results in a large…

Machine Learning · Computer Science 2014-10-17 Manasij Venkatesh , Vikas Majjagi , Deepu Vijayasenan

The automatic creation of geometric models from point clouds has numerous applications in CAD (e.g., reverse engineering, manufacturing, assembling) and, more in general, in shape modelling and processing. Given a segmented point cloud…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Andrea Raffo , Chiara Romanengo , Bianca Falcidieno , Silvia Biasotti

Accurate segmentation of long and thin tubular structures is required in a wide variety of areas such as biology, medicine, and remote sensing. The complex topology and geometry of such structures often pose significant technical…

Image and Video Processing · Electrical Eng. & Systems 2024-07-23 Jiaxing Huang , Yanfeng Zhou , Yaoru Luo , Guole Liu , Heng Guo , Ge Yang

The technology of image segmentation is widely used in medical image processing, face recognition pedestrian detection, etc. The current image segmentation techniques include region-based segmentation, edge detection segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-10 Song Yuheng , Yan Hao

Facial expression recognition has many potential applications which has attracted the attention of researchers in the last decade. Feature extraction is one important step in expression analysis which contributes toward fast and accurate…

Computer Vision and Pattern Recognition · Computer Science 2015-05-18 S. L. Happy , Aurobinda Routray

Conventional video segmentation approaches rely heavily on appearance models. Such methods often use appearance descriptors that have limited discriminative power under complex scenarios. To improve the segmentation performance, this paper…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Wenguan Wang , Jianbing Shen , Fatih Porikli
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