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Ultrasound computed tomography (USCT) holds great promise for breast cancer screening. Waveform inversion-based image reconstruction methods account for higher order diffraction effects and can produce high-resolution USCT images, but are…

医学物理 · 物理学 2017-08-25 Thomas P. Matthews , Kun Wang , Cuiping Li , Neb Duric , Mark A. Anastasio

We discuss several strategies to implement Dykstra's projection algorithm on NVIDIA's compute unified device architecture (CUDA). Dykstra's algorithm is the central step in and the computationally most expensive part of statistical…

计算物理 · 物理学 2015-03-13 Jan Lebert , Lutz Künneke , Johannes Hagemann , Stephan C. Kramer

Robust high-dimensional data processing has witnessed an exciting development in recent years, as theoretical results have shown that it is possible using convex programming to optimize data fit to a low-rank component plus a sparse outlier…

计算机视觉与模式识别 · 计算机科学 2015-04-21 Jun He , Dejiao Zhang , Laura Balzano , Tao Tao

Magnetic Resonance Imaging (MRI) stands as a powerful modality in clinical diagnosis. However, it is known that MRI faces challenges such as long acquisition time and vulnerability to motion-induced artifacts. Despite the success of many…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Lixuan Chen , Xuanyu Tian , Jiangjie Wu , Ruimin Feng , Guoyan Lao , Yuyao Zhang , Hongjiang Wei

Multimodal Sentiment Analysis (MSA) aims to predict sentiment from language, acoustic, and visual data in videos. However, imbalanced unimodal performance often leads to suboptimal fused representations. Existing approaches typically adopt…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Dingkang Yang , Mingcheng Li , Xuecheng Wu , Zhaoyu Chen , Kaixun Jiang , Keliang Liu , Peng Zhai , Lihua Zhang

While recent semantic segmentation networks heavily rely on powerful pretrained encoders, most employ simplistic decoders, leading to suboptimal trade-offs between semantic context and fine-grained detail preservation. To address this, we…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Guoan Xu , Yang Xiao , Wenjing Jia , Guangwei Gao , Guo-Jun Qi , Chia-Wen Lin

Accurate three-dimensional (3D) reconstruction of guidewire shapes is crucial for precise navigation in robot-assisted endovascular interventions. Conventional 2D Digital Subtraction Angiography (DSA) is limited by the absence of depth…

机器人学 · 计算机科学 2025-06-30 Tianliang Yao , Bingrui Li , Bo Lu , Zhiqiang Pei , Yixuan Yuan , Peng Qi

A new and automated method is presented for the analysis of high-resolution absorption spectra. Three established numerical methods are unified into one "artificial intelligence" process: a genetic algorithm (GVPFIT); non-linear…

天体物理仪器与方法 · 物理学 2017-02-01 Matthew B. Bainbridge , John K. Webb

Fast neuromorphic event-based vision sensors (Dynamic Vision Sensor, DVS) can be combined with slower conventional frame-based sensors to enable higher-quality inter-frame interpolation than traditional methods relying on fixed motion…

In general, deep learning-based video frame interpolation (VFI) methods have predominantly focused on estimating motion vectors between two input frames and warping them to the target time. While this approach has shown impressive…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Jaemin Lee , Minseok Seo , Sangwoo Lee , Hyobin Park , Dong-Geol Choi

Multimodal semantic segmentation integrates complementary information from diverse sensors for remote sensing Earth observation. However, practical systems often encounter missing modalities due to sensor failures or incomplete coverage,…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Lekang Wen , Liang Liao , Jing Xiao , Mi Wang

Multimodal medical image fusion facilitates comprehensive diagnosis by aggregating complementary structural and functional information, but its effectiveness is limited by resolution degradation and modality discrepancies. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Fayaz Ali Dharejo , Sharif S. M. A. , Aiman Khalil , Nachiket Chaudhary , Rizwan Ali Naqvi , Radu Timofte

Multimodal remote sensing object detection aims to achieve more accurate and robust perception under challenging conditions by fusing complementary information from different modalities. However, existing approaches that rely on…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Jianhong Han , Yupei Wang , Yuan Zhang , Liang Chen

Simultaneous Localization and Mapping (SLAM) is one of the most important environment-perception and navigation algorithms for computer vision, robotics, and autonomous cars/drones. Hence, high quality and fast mapping becomes a fundamental…

Cardiac cine magnetic resonance imaging (MRI) is one of the important means to assess cardiac functions and vascular abnormalities. Mitigating artifacts arising during image reconstruction and accelerating cardiac cine MRI acquisition to…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Xiaoxiang Han , Yang Chen , Qiaohong Liu , Yiman Liu , Keyan Chen , Yuanjie Lin , Weikun Zhang

Purpose: To propose a domain-conditioned and temporal-guided diffusion modeling method, termed dynamic Diffusion Modeling (dDiMo), for accelerated dynamic MRI reconstruction, enabling diffusion process to characterize spatiotemporal…

图像与视频处理 · 电气工程与系统科学 2025-01-17 Liping Zhang , Iris Yuwen Zhou , Sydney B. Montesi , Li Feng , Fang Liu

Microvascular networks are challenging to model because these structures are currently near the diffraction limit for most advanced three-dimensional imaging modalities, including confocal and light sheet microscopy. This makes semantic…

图像与视频处理 · 电气工程与系统科学 2024-04-04 Meher Niger , Helya Goharbavang , Taeyong Ahn , Emily K. Alley , Joshua D. Wythe , Guoning Chen , David Mayerich

In extreme scenarios such as nighttime or low-visibility environments, achieving reliable perception is critical for applications like autonomous driving, robotics, and surveillance. Multi-modality image fusion, particularly integrating…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Yuchen Guo , Ruoxiang Xu , Rongcheng Li , Weifeng Su

Video object detection is a tough task due to the deteriorated quality of video sequences captured under complex environments. Currently, this area is dominated by a series of feature enhancement based methods, which distill beneficial…

计算机视觉与模式识别 · 计算机科学 2020-09-17 Lijian Lin , Haosheng Chen , Honglun Zhang , Jun Liang , Yu Li , Ying Shan , Hanzi Wang

Topological Data Analysis (TDA) provides a pipeline to extract quantitative topological descriptors from structured objects. This enables the definition of topological loss functions, which assert to what extent a given object exhibits some…

人工智能 · 计算机科学 2024-05-30 Mathieu Carriere , Marc Theveneau , Théo Lacombe