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This study provides a comparative analysis of deep learning models including UNet, Res-UNet, Attention Res-UNet, and nnUNet, and evaluates their performance in brain tumour, polyp, and multi-class heart segmentation tasks. The analysis…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Lina Huang , Alina Miron , Kate Hone , Yongmin Li

Multi-centre colonoscopy images from various medical centres exhibit distinct complicating factors and overlays that impact the image content, contingent on the specific acquisition centre. Existing Deep Segmentation networks struggle to…

Image and Video Processing · Electrical Eng. & Systems 2023-08-31 Valentina Corbetta , Regina Beets-Tan , Wilson Silva

To promote the generalization ability of breast tumor segmentation models, as well as to improve the segmentation performance for breast tumors with smaller size, low-contrast and irregular shape, we propose a progressive dual priori…

Image and Video Processing · Electrical Eng. & Systems 2024-06-18 Li Wang , Lihui Wang , Zixiang Kuai , Lei Tang , Yingfeng Ou , Chen Ye , Yuemin Zhu

Accurate detection of polyps is of critical importance for the early and intermediate stages of colorectal cancer diagnosis. Compared to static images, dynamic colonoscopy videos provide more comprehensive visual information, which can…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Zilin Chen , Shengnan Lu

Cell instance segmentation in cytology images has significant importance for biology analysis and cancer screening, while remains challenging due to 1) the extensive overlapping translucent cell clusters that cause the ambiguous boundaries,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Hao Jiang , Rushan Zhang , Yanning Zhou , Yumeng Wang , Hao Chen

Colo-segment recognition in colonoscopy videos is a key requirement for many downstream tasks, but existing automatic recognition methods only use colonoscopy images without fully exploiting the use of temporal information, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ziyi Wang , Zhengjie Zhang , Jingsheng Gao , Dahong Qian , Suncheng Xiang

Automatic polyp detection and segmentation are highly desirable for colon screening due to polyp miss rate by physicians during colonoscopy, which is about 25%. However, this computerization is still an unsolved problem due to various…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Hemin Ali Qadir , Younghak Shin , Johannes Solhusvik , Jacob Bergsland , Lars Aabakken , Ilangko Balasingham

Clinical cystoscopy, the current standard for bladder cancer diagnosis, suffers from significant reliance on physician expertise, leading to variability and subjectivity in diagnostic outcomes. There is an urgent need for objective,…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Jinliang Yu , Mingduo Xie , Yue Wang , Tianfan Fu , Xianglai Xu , Jiajun Wang

Motivated by the increasing popularity of attention mechanisms, we observe that popular convolutional (conv.) attention models like Squeeze-and-Excite (SE) and Convolutional Block Attention Module (CBAM) rely on expensive multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Majedaldein Almahasneh , Xianghua Xie , Adeline Paiement

Colorectal cancer (CRC) remains a leading cause of cancer-related mortality, underscoring the importance of timely polyp detection and diagnosis. While deep learning models have improved optical-assisted diagnostics, they often demand…

Information Retrieval · Computer Science 2025-07-24 Ruijie Yang , Yan Zhu , Peiyao Fu , Yizhe Zhang , Zhihua Wang , Quanlin Li , Pinghong Zhou , Xian Yang , Shuo Wang

Detecting polyps through colonoscopy is an important task in medical image segmentation, which provides significant assistance and reference value for clinical surgery. However, accurate segmentation of polyps is a challenging task due to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jianhao Xie , Ruofan Liao , Ziang Zhang , Sida Yi , Yuesheng Zhu , Guibo Luo

Automated polyp counting in colonoscopy is a crucial step toward automated procedure reporting and quality control, aiming to enhance the cost-effectiveness of colonoscopy screening. Counting polyps in a procedure involves detecting and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Luca Parolari , Andrea Cherubini , Lamberto Ballan , Carlo Biffi

During image-guided procedures, real-time image segmentation is often required. This demands lightweight AI models that can operate on resource-constrained devices. One important use case is endoscopy-guided colonoscopy, where polyps must…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 M Iffat Hossain , Laura Brattain

Numerous studies have demonstrated the strong performance of Vision Transformer (ViT)-based methods across various computer vision tasks. However, ViT models often struggle to effectively capture high-frequency components in images, which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Jingjing Ren , Xiaoyong Zhang , Lina Zhang

Characteristics such as low contrast and significant organ shape variations are often exhibited in medical images. The improvement of segmentation performance in medical imaging is limited by the generally insufficient adaptive capabilities…

Image and Video Processing · Electrical Eng. & Systems 2023-06-09 Hejun Huang , Zuguo Chen , Ying Zou , Ming Lu , Chaoyang Chen

Effective deep feature extraction via feature-level fusion is crucial for multimodal object detection. However, previous studies often involve complex training processes that integrate modality-specific features by stacking multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Lei Hao , Lina Xu , Chang Liu , Yanni Dong

Polyp segmentation plays a pivotal role in colorectal cancer diagnosis. Recently, the emergence of the Segment Anything Model (SAM) has introduced unprecedented potential for polyp segmentation, leveraging its powerful pre-training…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Huiqian Li , Dingwen Zhang , Jieru Yao , Longfei Han , Zhongyu Li , Junwei Han

Medical image segmentation is one of the most fundamental tasks concerning medical information analysis. Various solutions have been proposed so far, including many deep learning-based techniques, such as U-Net, FC-DenseNet, etc. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-07-08 Zihan Li , Dihan Li , Cangbai Xu , Weice Wang , Qingqi Hong , Qingde Li , Jie Tian

Colorectal cancer (CRC) is a major global cause of cancer-related deaths, with early polyp detection and removal during colonoscopy being crucial for prevention. While deep learning methods have shown promise in polyp segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Fiseha B. Tesema , Alejandro Guerra Manzanares , Tianxiang Cui , Qian Zhang , Moses Solomon , Sean He

Renal compartment segmentation on CT images targets on extracting the 3D structure of renal compartments from abdominal CTA images and is of great significance to the diagnosis and treatment for kidney diseases. However, due to the unclear…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Song Wang , Yuting He , Youyong Kong , Xiaomei Zhu , Shaobo Zhang , Pengfei Shao , Jean-Louis Dillenseger , Jean-Louis Coatrieux , Shuo Li , Guanyu Yang