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Random splitting of datasets in image segmentation often leads to unrepresentative test sets, resulting in biased evaluations and poor model generalization. While stratified sampling has proven effective for addressing label distribution…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Naga Venkata Sai Jitin Jami , Thomas Altstidl , Jonas Mueller , Jindong Li , Dario Zanca , Bjoern Eskofier , Heike Leutheuser

Topological alignments and snakes are used in image processing, particularly in locating object boundaries. Both of them have their own advantages and limitations. To improve the overall image boundary detection system, we focused on…

Computer Vision and Pattern Recognition · Computer Science 2011-06-03 Ashraf A. Aly , Safaai Bin Deris , Nazar Zaki

This work proposes an evolutionary computing-based image segmentation approach for analyzing soundness in Additive Friction Stir Deposition (AFSD) processes. Particle Swarm Optimization (PSO) was employed to determine optimal segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Akshansh Mishra , Eyob Mesele Sefene , Shivraman Thapliyal

Semantic segmentation of multichannel images is a fundamental task for many applications. Selecting an appropriate channel combination from the original multichannel image can improve the accuracy of semantic segmentation and reduce the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Yuanzhi Cai , Jagannath Aryal , Yuan Fang , Hong Huang , Lei Fan

This paper addresses the optimal scan profile problem for strip imaging in an Earth observation satellite (EOS) equipped with a time-delay integration (TDI) camera. Modern TDI cameras can control image integration frequency during imaging…

Optimization and Control · Mathematics 2024-08-20 Seungyeop Han , Byeong-Un Jo , Koki Ho

This paper presents a method to solve non-linear integer multiobjective optimization problems. First the problem is formulated using the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). Next, the Differential…

Neural and Evolutionary Computing · Computer Science 2022-04-07 Renato A. Krohling , Erick R. F. A. Schneider

Image segmentation is to separate an image into distinct homogeneous regions belonging to different objects. It is an essential step in image analysis and computer vision. This paper compares some segmentation technologies and attempts to…

Computer Vision and Pattern Recognition · Computer Science 2008-03-18 Li Chen

A new segmentation fusion method is proposed that ensembles the output of several segmentation algorithms applied on a remotely sensed image. The candidate segmentation sets are processed to achieve a consensus segmentation using a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Mete Ozay , Fatos T. Yarman Vural , Sanjeev R. Kulkarni , H. Vincent Poor

The observed colour bimodality allows a classification of the galaxies into two distinct classes: the `blue cloud' and the `red sequence'. Such classification is often carried out using empirical cuts in colour and other galaxy properties…

Astrophysics of Galaxies · Physics 2023-07-04 Biswajit Pandey

In the paper the optimal image segmentation by means of piecewise constant approximations is considered. The optimality is defined by a minimum value of the total squared error or by equivalent value of standard deviation of the…

Computer Vision and Pattern Recognition · Computer Science 2012-10-09 M. Kharinov

This work concerns the evolutionary approaches to distributed stochastic black-box optimization, in which each worker can individually solve an approximation of the problem with nature-inspired algorithms. We propose a distributed evolution…

Neural and Evolutionary Computing · Computer Science 2022-04-12 Xiaoyu He , Zibin Zheng , Chuan Chen , Yuren Zhou , Chuan Luo , Qingwei Lin

This paper presents a novel iterative deep learning framework and apply it for document enhancement and binarization. Unlike the traditional methods which predict the binary label of each pixel on the input image, we train the neural…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Sheng He , Lambert Schomaker

Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that provides high-resolution cross-sectional images of the retina, which are useful for diagnosing and monitoring various retinal diseases. However, manual…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Can Koz , Onat Dalmaz , Mertay Dayanc

Anatomical segmentation of organs in ultrasound images is essential to many clinical applications, particularly for diagnosis and monitoring. Existing deep neural networks require a large amount of labeled data for training in order to…

Image and Video Processing · Electrical Eng. & Systems 2023-08-01 Yordanka Velikova , Mohammad Farid Azampour , Walter Simson , Vanessa Gonzalez Duque , Nassir Navab

Difference imaging is a technique for obtaining precise relative photometry of variable sources in crowded stellar fields and, as such, constitutes a crucial part of the data reduction pipeline in surveys for microlensing events or…

Astrophysics · Physics 2009-11-11 Holger Israel , Frederic V. Hessman , Sonja Schuh

Hyperparameter tuning in machine learning algorithms is a computationally challenging task due to the large-scale nature of the problem. In order to develop an efficient strategy for hyper-parameter tuning, one promising solution is to use…

Neural and Evolutionary Computing · Computer Science 2021-12-17 Leila Zahedi , Farid Ghareh Mohammadi , M. Hadi Amini

Studying the growth and metabolism of microbes provides critical insights into their evolutionary adaptations to harsh environments, which are essential for microbial research and biotechnology applications. In this study, we developed an…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Shuang Zhang , Carleton Coffin , Karyn L. Rogers , Catherine Ann Royer , Ge Wang

The asynchronous development between the observation capability and the transition capability results in that an original image data (OID) formed by one-time observation cannot be completely transmitted in one transmit chance between the…

Artificial Intelligence · Computer Science 2022-07-05 Zhongxiang Chang , Zhongbao Zhou

Segmentation of microscopy images constitutes an ill-posed inverse problem due to measurement noise, weak object boundaries, and limited labeled data. Although deep neural networks provide flexible nonparametric estimators, unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Seema K. Poudel , Sunny K. Khadka

Specular reflections pose a significant challenge for object segmentation, as their sharp intensity transitions often mislead both conventional algorithms and deep learning based methods. However, as the specular reflection must lie on the…

Image and Video Processing · Electrical Eng. & Systems 2026-02-26 Katja Kossira , Yunxuan Zhu , Jürgen Seiler , André Kaup