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Deformable image registration is inherently a multi-objective optimization (MOO) problem, requiring a delicate balance between image similarity and deformation regularity. These conflicting objectives often lead to poor optimization…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Yi Zhang , Yidong Zhao , Qian Tao

Understanding and predicting pedestrian crossing behavioral intention is crucial for the driving safety of autonomous vehicles. Nonetheless, challenges emerge when using promising images or environmental context masks to extract various…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Chen Xie , Ciyun Lin , Xiaoyu Zheng , Bowen Gong , Antonio M. López

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

This paper proposes a novel video inpainting method. We make three main contributions: First, we extended previous Transformers with patch alignment by introducing Deformed Patch-based Homography (DePtH), which improves patch-level feature…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Jiayin Cai , Changlin Li , Xin Tao , Chun Yuan , Yu-Wing Tai

Computer-aided medical image segmentation has been applied widely in diagnosis and treatment to obtain clinically useful information of shapes and volumes of target organs and tissues. In the past several years, convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Yixuan Wu , Kuanlun Liao , Jintai Chen , Jinhong Wang , Danny Z. Chen , Honghao Gao , Jian Wu

Data-driven deep learning approaches to image registration can be less accurate than conventional iterative approaches, especially when training data is limited. To address this whilst retaining the fast inference speed of deep learning, we…

Image registration is a fundamental task in medical image analysis. Recently, deep learning based image registration methods have been extensively investigated due to their excellent performance despite the ultra-fast computational time.…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Boah Kim , Dong Hwan Kim , Seong Ho Park , Jieun Kim , June-Goo Lee , Jong Chul Ye

We present a mask-piloted Transformer which improves masked-attention in Mask2Former for image segmentation. The improvement is based on our observation that Mask2Former suffers from inconsistent mask predictions between consecutive decoder…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Hao Zhang , Feng Li , Huaizhe Xu , Shijia Huang , Shilong Liu , Lionel M. Ni , Lei Zhang

Convolutional networks, transformers, hybrid models, and Mamba-based architectures have demonstrated strong performance across various medical image classification tasks. However, these methods were primarily designed to classify clean…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Omid Nejati Manzari , Hojat Asgariandehkordi , Taha Koleilat , Yiming Xiao , Hassan Rivaz

We present a fast learning-based algorithm for deformable, pairwise 3D medical image registration. Current registration methods optimize an objective function independently for each pair of images, which can be time-consuming for large…

计算机视觉与模式识别 · 计算机科学 2019-03-14 Guha Balakrishnan , Amy Zhao , Mert R. Sabuncu , John Guttag , Adrian V. Dalca

Deformable retinal image registration is notoriously difficult due to large homogeneous regions and sparse but critical vascular features, which cause limited gradient signals in standard learning-based frameworks. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xin Tian , Jiazheng Wang , Yuxi Zhang , Xiang Chen , Renjiu Hu , Gaolei Li , Min Liu , Hang Zhang

Medical image segmentation is a pivotal task within the realms of medical image analysis and computer vision. While current methods have shown promise in accurately segmenting major regions of interest, the precise segmentation of boundary…

图像与视频处理 · 电气工程与系统科学 2025-05-09 Yi Lin , Dong Zhang , Xiao Fang , Yufan Chen , Kwang-Ting Cheng , Hao Chen

Current approaches for deformable medical image registration often struggle to fulfill all of the following criteria: versatile applicability, small computation or training times, and the being able to estimate large deformations.…

图像与视频处理 · 电气工程与系统科学 2021-12-07 Hanna Siebert , Lasse Hansen , Mattias P. Heinrich

We address the challenge of parameter-efficient fine-tuning (PEFT) for three-dimensional (3D) U-Net-based denoising diffusion probabilistic models (DDPMs) in magnetic resonance imaging (MRI) image generation. Despite its practical…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Binghua Li , Ziqing Chang , Tong Liang , Chao Li , Toshihisa Tanaka , Shigeki Aoki , Qibin Zhao , Zhe Sun

Data-driven decompositions of Particle Image Velocimetry (PIV) measurements are widely used for a variety of purposes, including the detection of coherent features (e.g., vortical structures), filtering operations (e.g., outlier removal or…

流体动力学 · 物理学 2020-08-26 Miguel A Mendez , David Hess , Bo B Watz , Jean-Marie Buchlin

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

Recently, deep learning methods have been widely used for tumor segmentation of multimodal medical images with promising results. However, most existing methods are limited by insufficient representational ability, specific modality number…

图像与视频处理 · 电气工程与系统科学 2023-07-06 Jun Shi , Hongyu Kan , Shulan Ruan , Ziqi Zhu , Minfan Zhao , Liang Qiao , Zhaohui Wang , Hong An , Xudong Xue

Deep neural networks have been a prevailing technique in the field of medical image processing. However, the most popular convolutional neural networks (CNNs) based methods for medical image segmentation are imperfect because they model…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Zhuangzhuang Zhang , Weixiong Zhang

Existing pyramid registration networks may accumulate anatomical misalignments and lack an effective mechanism to dynamically determine the number of optimization iterations under varying deformation requirements across images, leading to…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Heming Wu , Di Wang , Tai Ma , Peng Zhao , Yubin Xiao , Zhongke Wu , Xing-Ce Wang , Xuan Wu , You Zhou

Shape compactness is a key geometrical property to describe interesting regions in many image segmentation tasks. In this paper, we propose two novel algorithms to solve the introduced image segmentation problem that incorporates a…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Kehui Zhang , Lingfeng Li , Hao Liu , Jing Yuan , Xue-Cheng Tai