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Medical image segmentation grapples with challenges including multi-scale lesion variability, ill-defined tissue boundaries, and computationally intensive processing demands. This paper proposes the DyGLNet, which achieves efficient and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Yican Zhao , Ce Wang , You Hao , Lei Li , Tianli Liao

Visual perception plays a pivotal role in enabling autonomous behavior, offering a cost-effective and efficient alternative to complex multi-sensor systems. However, robust segmentation remains a challenge in complex scenarios. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Hewen Xiao , Jie Mei , Guangfu Ma , Weiren Wu

3D spatial information is known to be beneficial to the semantic segmentation task. Most existing methods take 3D spatial data as an additional input, leading to a two-stream segmentation network that processes RGB and 3D spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Lin-Zhuo Chen , Zheng Lin , Ziqin Wang , Yong-Liang Yang , Ming-Ming Cheng

We present an approach for high-resolution video frame prediction by conditioning on both past frames and past optical flows. Previous approaches rely on resampling past frames, guided by a learned future optical flow, or on direct…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Fitsum A. Reda , Guilin Liu , Kevin J. Shih , Robert Kirby , Jon Barker , David Tarjan , Andrew Tao , Bryan Catanzaro

3D medical image self-supervised learning (mSSL) holds great promise for medical analysis. Effectively supporting broader applications requires considering anatomical structure variations in location, scale, and morphology, which are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Tan Pan , Zhaorui Tan , Kaiyu Guo , Dongli Xu , Weidi Xu , Chen Jiang , Xin Guo , Yuan Qi , Yuan Cheng

With the thriving of deep learning, 3D Convolutional Neural Networks have become a popular choice in volumetric image analysis due to their impressive 3D contexts mining ability. However, the 3D convolutional kernels will introduce a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Lei Qu , Changfeng Wu , Liang Zou

Semantic segmentation is an important branch of image processing and computer vision. With the popularity of deep learning, various convolutional neural networks have been proposed for pixel-level classification and segmentation tasks. In…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Xinyu Xu , Huazhen Liu , Tao Zhang , Huilin Xiong , Wenxian Yu

While conventional computer vision emphasizes pixel-level and feature-based objectives, medical image analysis of intricate biological structures necessitates explicit representation of their complex topological properties. Despite their…

Image and Video Processing · Electrical Eng. & Systems 2024-12-31 Yousef Yeganeh , Rui Xiao , Goktug Guvercin , Nassir Navab , Azade Farshad

Recent studies have witnessed the effectiveness of 3D convolutions on segmenting volumetric medical images. Compared with the 2D counterparts, 3D convolutions can capture the spatial context in three dimensions. Nevertheless, models…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Junjun He , Jin Ye , Cheng Li , Diping Song , Wanli Chen , Shanshan Wang , Lixu Gu , Yu Qiao

In medical image segmentation, particularly in UNet-like architectures, upsampling is primarily used to transform smaller feature maps into larger ones, enabling feature fusion between encoder and decoder features and supporting multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Chengkun Sun , Jinqian Pan , Renjie Liang , Zhengkang Fan , Xin Miao , Jiang Bian , Jie Xu

Single source domain generalization (SDG) holds promise for more reliable and consistent image segmentation across real-world clinical settings particularly in the medical domain, where data privacy and acquisition cost constraints often…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Shahina Kunhimon , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

Single-source domain generalization (SDG) aims to learn a model from a single source domain that can generalize well on unseen target domains. This is an important task in computer vision, particularly relevant to medical imaging where…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Boqi Chen , Yuanzhi Zhu , Yunke Ao , Sebastiano Caprara , Reto Sutter , Gunnar Rätsch , Ender Konukoglu , Anna Susmelj

Disentangled representation is a powerful technique to tackle domain shift problem in medical image analysis in unsupervised domain adaptation setting.However, previous methods only focus on exacting domain-invariant feature and ignore…

Image and Video Processing · Electrical Eng. & Systems 2023-03-07 Shuai Wang , Rui Li

Medical image segmentation is fundamental for computer-aided diagnostics, providing accurate delineation of anatomical structures and pathological regions. While common metrics such as Accuracy, DSC, IoU, and HD primarily quantify spatial…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 Wenhao Liang , Wei Zhang , Lin Yue , Miao Xu , Olaf Maennel , Weitong Chen

Accurate medical image segmentation is of utmost importance for enabling automated clinical decision procedures. However, prevailing supervised deep learning approaches for medical image segmentation encounter significant challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Sanaz Karimijafarbigloo , Reza Azad , Amirhossein Kazerouni , Yury Velichko , Ulas Bagci , Dorit Merhof

Interpolation of sparse pixel information towards a dense target resolution finds its application across multiple disciplines in computer vision. State-of-the-art interpolation of motion fields applies model-based interpolation that makes…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 René Schuster , Oliver Wasenmüller , Christian Unger , Didier Stricker

LiDAR point-cloud segmentation is an important problem for many applications. For large-scale point cloud segmentation, the \textit{de facto} method is to project a 3D point cloud to get a 2D LiDAR image and use convolutions to process it.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Chenfeng Xu , Bichen Wu , Zining Wang , Wei Zhan , Peter Vajda , Kurt Keutzer , Masayoshi Tomizuka

The convolution operation is a central building block of neural network architectures widely used in computer vision. The size of the convolution kernels determines both the expressiveness of convolutional neural networks (CNN), as well as…

Image and Video Processing · Electrical Eng. & Systems 2022-10-10 Tianyu Ma , Adrian V. Dalca , Mert R. Sabuncu

State-of-the-art models in semantic segmentation primarily operate on single, static images, generating corresponding segmentation masks. This one-shot approach leaves little room for error correction, as the models lack the capability to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Foivos I. Diakogiannis , Suzanne Furby , Peter Caccetta , Xiaoliang Wu , Rodrigo Ibata , Ondrej Hlinka , John Taylor

Transformer-based autoregressive models excel in data generation but are inherently constrained by their reliance on discretized tokens, which limits their ability to represent continuous values with high precision. We analyze the…

Machine Learning · Computer Science 2026-01-12 Yeonsang Shin , Insoo Kim , Bongkeun Kim , Keonwoo Bae , Bohyung Han