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Utilizing patch-based transformers for unstructured geometric data such as polygon meshes presents significant challenges, primarily due to the absence of a canonical ordering and variations in input sizes. Prior approaches to handling 3D…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Mohammad Farazi , Yalin Wang

Benefiting from powerful convolutional neural networks (CNNs), learning-based image inpainting methods have made significant breakthroughs over the years. However, some nature of CNNs (e.g. local prior, spatially shared parameters) limit…

计算机视觉与模式识别 · 计算机科学 2023-05-22 Ye Deng , Siqi Hui , Sanping Zhou , Deyu Meng , Jinjun Wang

Focused transmits are the most commonly used transmit strategy for echocardiograms, but suffer from relatively low frame rates, and in 3D, even lower volume rates. Fast imaging based on unfocused transmits has disadvantages such as motion…

信号处理 · 电气工程与系统科学 2026-05-14 Wessel L. van Nierop , Oisín Nolan , Tristan S. W. Stevens , Ruud J. G. van Sloun

Deformable medical image registration is an essential task in computer-assisted interventions. This problem is particularly relevant to oncological treatments, where precise image alignment is necessary for tracking tumor growth, assessing…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Stefano Fogarollo , Gregor Laimer , Reto Bale , Matthias Harders

Registration is a fundamental task in medical robotics and is often a crucial step for many downstream tasks such as motion analysis, intra-operative tracking and image segmentation. Popular registration methods such as ANTs and NiftyReg…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Wentao Zhu , Yufang Huang , Daguang Xu , Zhen Qian , Wei Fan , Xiaohui Xie

Recent advancements in medical imaging have resulted in more complex and diverse images, with challenges such as high anatomical variability, blurred tissue boundaries, low organ contrast, and noise. Traditional segmentation methods…

图像与视频处理 · 电气工程与系统科学 2024-11-01 Yufeng Jiang , Zongxi Li , Xiangyan Chen , Haoran Xie , Jing Cai

Transformer, a model comprising attention-based encoder-decoder architecture, have gained prevalence in the field of natural language processing (NLP) and recently influenced the computer vision (CV) space. The similarities between computer…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Emerald U. Henry , Onyeka Emebob , Conrad Asotie Omonhinmin

Transformer-based neural networks have surpassed promising performance on many biomedical image segmentation tasks due to a better global information modeling from the self-attention mechanism. However, most methods are still designed for…

计算机视觉与模式识别 · 计算机科学 2023-02-02 Zheyuan Zhang , Ulas Bagci

Semi-supervised learning, which leverages both annotated and unannotated data, is an efficient approach for medical image segmentation, where obtaining annotations for the whole dataset is time-consuming and costly. Traditional…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Ruizhe Li , Grazziela Figueredo , Dorothee Auer , Rob Dineen , Paul Morgan , Xin Chen

Convolutional neural networks (CNNs) have recently proven their excellent ability to segment 2D cardiac ultrasound images. However, the majority of attempts to perform full-sequence segmentation of cardiac ultrasound videos either rely on…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Phi Nguyen Van , Hieu Pham Huy , Long Tran Quoc

For the weakly supervised task of electrocardiogram (ECG) rhythm classification, convolutional neural networks (CNNs) and long short-term memory (LSTM) networks are two increasingly popular classification models. This work investigates…

机器学习 · 计算机科学 2019-12-03 Nora Vogt

A Hyperspectral image contains much more number of channels as compared to a RGB image, hence containing more information about entities within the image. The convolutional neural network (CNN) and the Multi-Layer Perceptron (MLP) have been…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Uphar Singh , Kumar Saurabh , Neelaksh Trehan , Ranjana Vyas , O. P. Vyas

Fully supervised change detection methods have achieved significant advancements in performance, yet they depend severely on acquiring costly pixel-level labels. Considering that the patch-level annotations also contain abundant information…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Zhenglai Li , Chang Tang , Xinwang Liu , Changdong Li , Xianju Li , Wei Zhang

Transformers have recently shown promise for medical image applications, leading to an increasing interest in developing such models for medical image registration. Recent advancements in designing registration Transformers have focused on…

图像与视频处理 · 电气工程与系统科学 2023-03-14 Junyu Chen , Yihao Liu , Yufan He , Yong Du

Recent deep learning-based methods for medical image registration achieve results that are competitive with conventional optimization algorithms at reduced run times. However, deep neural networks generally require plenty of labeled…

计算机视觉与模式识别 · 计算机科学 2022-07-04 Alexander Bigalke , Lasse Hansen , Mattias P. Heinrich

Surgical navigation based on multimodal image registration has played a significant role in providing intraoperative guidance to surgeons by showing the relative position of the target area to critical anatomical structures during surgery.…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Jiazheng Wang , Xiang Chen , Yuxi Zhang , Min Liu , Yaonan Wang , Hang Zhang

Affine registration is indispensable in a comprehensive medical image registration pipeline. However, only a few studies focus on fast and robust affine registration algorithms. Most of these studies utilize convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Tony C. W. Mok , Albert C. S. Chung

Polygonal meshes have become the standard for discretely approximating 3D shapes, thanks to their efficiency and high flexibility in capturing non-uniform shapes. This non-uniformity, however, leads to irregularity in the mesh structure,…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Giuseppe Vecchio , Luca Prezzavento , Carmelo Pino , Francesco Rundo , Simone Palazzo , Concetto Spampinato

Over the past decade, Deep Convolutional Neural Networks have been widely adopted for medical image segmentation and shown to achieve adequate performance. However, due to the inherent inductive biases present in the convolutional…

计算机视觉与模式识别 · 计算机科学 2021-07-08 Jeya Maria Jose Valanarasu , Poojan Oza , Ilker Hacihaliloglu , Vishal M. Patel

Deformable image registration is fundamental for many medical image analyses. A key obstacle for accurate image registration lies in image appearance variations such as the variations in texture, intensities, and noise. These variations are…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Mingyuan Meng , Lei Bi , Michael Fulham , David Dagan Feng , Jinman Kim