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Medical image segmentation plays an essential role in developing computer-assisted diagnosis and therapy systems, yet still faces many challenges. In the past few years, the popular encoder-decoder architectures based on CNNs (e.g., U-Net)…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Guoping Xu , Xingrong Wu , Xuan Zhang , Xinwei He

Since the introduction of Vision Transformers, the landscape of many computer vision tasks (e.g., semantic segmentation), which has been overwhelmingly dominated by CNNs, recently has significantly revolutionized. However, the computational…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Qiang Wan , Zilong Huang , Jiachen Lu , Gang Yu , Li Zhang

Recently, transformer-based networks have shown impressive results in semantic segmentation. Yet for real-time semantic segmentation, pure CNN-based approaches still dominate in this field, due to the time-consuming computation mechanism of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Jian Wang , Chenhui Gou , Qiman Wu , Haocheng Feng , Junyu Han , Errui Ding , Jingdong Wang

Segmentation is a crucial step in microscopy image analysis. Numerous approaches have been developed over the past years, ranging from classical segmentation algorithms to advanced deep learning models. While U-Net remains one of the most…

Image and Video Processing · Electrical Eng. & Systems 2024-09-26 Illia Tsiporenko , Pavel Chizhov , Dmytro Fishman

With the rapid development of deep learning, CNN-based U-shaped networks have succeeded in medical image segmentation and are widely applied for various tasks. However, their limitations in capturing global features hinder their performance…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Xin Li , Wenhui Zhu , Xuanzhao Dong , Oana M. Dumitrascu , Yalin Wang

Deep learning, especially convolutional neural networks (CNNs) and Transformer architectures, have become the focus of extensive research in medical image segmentation, achieving impressive results. However, CNNs come with inductive biases…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Xiao Liu , Peng Gao , Tao Yu , Fei Wang , Ru-Yue Yuan

Most approaches for semantic segmentation use only information from color cameras to parse the scenes, yet recent advancements show that using depth data allows to further improve performances. In this work, we focus on transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Francesco Barbato , Giulia Rizzoli , Pietro Zanuttigh

Improving the efficiency of state-of-the-art methods in semantic segmentation requires overcoming the increasing computational cost as well as issues such as fusing semantic information from global and local contexts. Based on the recent…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Serdar Erisen

Convolutional neural networks (CNNs) achieved the state-of-the-art performance in medical image segmentation due to their ability to extract highly complex feature representations. However, it is argued in recent studies that traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Zhendi Gong , Andrew P. French , Guoping Qiu , Xin Chen

Recent advances in transformer-based models have drawn attention to exploring these techniques in medical image segmentation, especially in conjunction with the U-Net model (or its variants), which has shown great success in medical image…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Xiangyi Yan , Hao Tang , Shanlin Sun , Haoyu Ma , Deying Kong , Xiaohui Xie

While CNN-based methods have been the cornerstone of medical image segmentation due to their promising performance and robustness, they suffer from limitations in capturing long-range dependencies. Transformer-based approaches are currently…

Computer Vision and Pattern Recognition · Computer Science 2023-01-27 Reza Azad , Yiwei Jia , Ehsan Khodapanah Aghdam , Julien Cohen-Adad , Dorit Merhof

Convolutional blocks have played a crucial role in advancing medical image segmentation by excelling in dense prediction tasks. However, their inability to effectively capture long-range dependencies has limited their performance.…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Siddhartha Mallick , Aayushman Ghosh , Jayanta Paul , Jaya Sil

Nowadays, pre-trained encoders are widely used in medical image segmentation due to their strong capability in extracting rich and generalized feature representations. However, existing methods often fail to fully leverage these features,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Xiaolin Gou , Chuanlin Liao , Jizhe Zhou , Fengshuo Ye , Yi Lin

In recent years, U-Net and its variants have been widely used in pathology image segmentation tasks. One of the key designs of U-Net is the use of skip connections between the encoder and decoder, which helps to recover detailed information…

Image and Video Processing · Electrical Eng. & Systems 2023-10-18 Zongyi Li , Hongbing Lyu , Jun Wang

Models based on U-like structures have improved the performance of medical image segmentation. However, the single-layer decoder structure of U-Net is too "thin" to exploit enough information, resulting in large semantic differences between…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Haoyuan Chen , Yufei Han , Pin Xu , Yanyi Li , Kuan Li , Jianping Yin

Deep learning architecture with convolutional neural network (CNN) achieves outstanding success in the field of computer vision. Where U-Net, an encoder-decoder architecture structured by CNN, makes a great breakthrough in biomedical image…

Image and Video Processing · Electrical Eng. & Systems 2023-02-13 Qing Xu , Zhicheng Ma , Na HE , Wenting Duan

Convolutional Neural Networks (CNNs) and Transformers have achieved remarkable success in computer vision tasks. However, their deep architectures often lead to high computational redundancy, making them less suitable for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Novendra Setyawan , Ghufron Wahyu Kurniawan , Chi-Chia Sun , Jun-Wei Hsieh , Jing-Ming Guo , Wen-Kai Kuo

Most state-of-the-art methods for medical image segmentation adopt the encoder-decoder architecture. However, this U-shaped framework still has limitations in capturing the non-local multi-scale information with a simple skip connection. To…

Image and Video Processing · Electrical Eng. & Systems 2023-12-27 Haonan Wang , Peng Cao , Xiaoli Liu , Jinzhu Yang , Osmar Zaiane

Although convolutional neural networks (CNNs) have achieved remarkable progress in weakly supervised semantic segmentation (WSSS), the effective receptive field of CNN is insufficient to capture global context information, leading to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Chunmeng Liu , Enze Xie , Wenjia Wang , Wenhai Wang , Guangyao Li , Ping Luo

The ascension of Unmanned Aerial Vehicles (UAVs) in various fields necessitates effective UAV image segmentation, which faces challenges due to the dynamic perspectives of UAV-captured images. Traditional segmentation algorithms falter as…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Deyi Ji , Wenwei Jin , Hongtao Lu , Feng Zhao