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Related papers: PSO-UNet: Particle Swarm-Optimized U-Net Framework…

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Addressing the issue of SVMs parameters optimization, this study proposes an efficient memetic algorithm based on Particle Swarm Optimization algorithm (PSO) and Pattern Search (PS). In the proposed memetic algorithm, PSO is responsible for…

Machine Learning · Computer Science 2014-01-10 Yukun Bao , Zhongyi Hu , Tao Xiong

Automatic segmentation of diverse heterogeneous brain lesions using multi-modal MRI is a challenging problem in clinical neuroimaging, mainly because of the lack of generalizability and high prediction variance of pathology-specific deep…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Md. Mehedi Hassan , Shafqat Alam , Shahriar Ahmed Seam , Maruf Ahmed

Accurate brain tumour segmentation is a crucial step towards improving disease diagnosis and proper treatment planning. In this paper, we propose a deep-learning based method to segment a brain tumour into its subregions: whole tumour,…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Mina Ghaffari , Arcot Sowmya , Ruth Oliver

Using multimodal Magnetic Resonance Imaging (MRI) is necessary for accurate brain tumor segmentation. The main problem is that not all types of MRIs are always available in clinical exams. Based on the fact that there is a strong…

Image and Video Processing · Electrical Eng. & Systems 2021-11-11 Tongxue Zhou , Stéphane Canu , Pierre Vera , Su Ruan

We propose novel particle swarm optimization (PSO) variants incorporated with deep neural networks (DNNs) for particles to pursue globally optimal positions in dynamic environments. PSO is a heuristic approach for solving complex…

Neural and Evolutionary Computing · Computer Science 2026-04-16 Stephen Raharja , Toshiharu Sugawara

This study proposes a self-optimization physics-informed Fourier-features randomized neural network (SO-PIFRNN) framework, which significantly improves the numerical solving accuracy of PDEs through hyperparameter optimization mechanism.…

Neural and Evolutionary Computing · Computer Science 2025-08-18 Jiale Linghu , Weifeng Gao , Hao Dong , Yufeng Nie

We propose a novel, simple and effective method to integrate lesion prior and a 3D U-Net for improving brain tumor segmentation. First, we utilize the ground-truth brain tumor lesions from a group of patients to generate the heatmaps of…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Po-Yu Kao , Jefferson W. Chen , B. S. Manjunath

Brain tumor MRI segmentation is essential for clinical diagnosis and treatment planning, enabling accurate lesion detection and radiotherapy target delineation. However, tumor lesions occupy only a small fraction of the volumetric space,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Jiacheng Lu , Hui Ding , Shiyu Zhang , Guoping Huo

Deep learning has brought the most profound contribution towards biomedical image segmentation to automate the process of delineation in medical imaging. To accomplish such task, the models are required to be trained using huge amount of…

Image and Video Processing · Electrical Eng. & Systems 2022-03-25 Narinder Singh Punn , Sonali Agarwal

Automation of brain tumor segmentation in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Laura Mora Ballestar , Veronica Vilaplana

Multimodal brain tumor segmentation challenge (BraTS) brings together researchers to improve automated methods for 3D MRI brain tumor segmentation. Tumor segmentation is one of the fundamental vision tasks necessary for diagnosis and…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Andriy Myronenko , Ali Hatamizadeh

Delineating lesions and anatomical structure is important for image-guided interventions. Point-supervised medical image segmentation (PSS) has great potential to alleviate costly expert delineation labeling. However, due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Xiaofeng Liu , Jonghye Woo , Chao Ma , Jinsong Ouyang , Georges El Fakhri

Particle swarm optimization (PSO) is a search algorithm based on stochastic and population-based adaptive optimization. In this paper, a pathfinding strategy is proposed to improve the efficiency of path planning for a broad range of…

Neural and Evolutionary Computing · Computer Science 2022-06-24 David , Budi Adiperdana

Phyllodes tumors (PTs) are rare fibroepithelial breast lesions that are difficult to classify preoperatively due to their radiological similarity to benign fibroadenomas. This often leads to unnecessary surgical excisions. To address this,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Farhan Fuad Abir , Abigail Elliott Daly , Kyle Anderman , Tolga Ozmen , Laura J. Brattain

Multimodal positron emission tomography-computed tomography (PET-CT) is used routinely in the assessment of cancer. PET-CT combines the high sensitivity for tumor detection with PET and anatomical information from CT. Tumor segmentation is…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Xiaohang Fu , Lei Bi , Ashnil Kumar , Michael Fulham , Jinman Kim

Robust and generalizable segmentation of brain tumors on multi-parametric magnetic resonance imaging (MRI) remains difficult because tumor types differ widely. The BraTS 2025 Lighthouse Challenge benchmarks segmentation methods on diverse…

Brain tumor imaging has been part of the clinical routine for many years to perform non-invasive detection and grading of tumors. Tumor segmentation is a crucial step for managing primary brain tumors because it allows a volumetric analysis…

Image and Video Processing · Electrical Eng. & Systems 2022-12-05 Masoomeh Rahimpour , Ahmed Radwan , Henri Vandermeulen , Stefan Sunaert , Karolien Goffin , Michel Koole

We investigate the applicability of U-Net based models for segmenting Urinary Bladder (UB) in male pelvic view UltraSound (US) images. The segmentation of UB in the US image aids radiologists in diagnosing the UB. However, UB in US images…

Image and Video Processing · Electrical Eng. & Systems 2023-03-29 Deepak Raina , Kashish Verma , SH Chandrashekhara , Subir Kumar Saha

U-Net, known for its simple yet efficient architecture, is widely utilized for image processing tasks and is particularly suitable for deployment on neuromorphic chips. This paper introduces the novel concept of Spiking-UNet for image…

Neural and Evolutionary Computing · Computer Science 2024-04-12 Hebei Li , Yueyi Zhang , Zhiwei Xiong , Xiaoyan Sun

The rise of Transformer architectures has advanced medical image segmentation, leading to hybrid models that combine Convolutional Neural Networks (CNNs) and Transformers. However, these models often suffer from excessive complexity and…

Image and Video Processing · Electrical Eng. & Systems 2025-07-17 Yousef Sadegheih , Afshin Bozorgpour , Pratibha Kumari , Reza Azad , Dorit Merhof