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As a promising 3D generation technique, multiview diffusion (MVD) has received a lot of attention due to its advantages in terms of generalizability, quality, and efficiency. By finetuning pretrained large image diffusion models with 3D…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Xin-Yang Zheng , Hao Pan , Yu-Xiao Guo , Xin Tong , Yang Liu

Robot-assisted surgery has made significant progress, with instrument segmentation being a critical factor in surgical intervention quality. It serves as the building block to facilitate surgical robot navigation and surgical education for…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Hongqiu Wang , Lei Zhu , Guang Yang , Yike Guo , Shichen Zhang , Bo Xu , Yueming Jin

Intravascular Ultrasound (IVUS) is an intra-operative imaging modality that facilitates observing and appraising the vessel wall structure of the human coronary arteries. Segmentation of arterial wall boundaries from the IVUS images is not…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Mehdi Faraji , Irene Cheng , Iris Naudin , Anup Basu

Visual challenges in underwater environments significantly hinder the accuracy of vision-based localisation and the high-fidelity dense reconstruction. In this paper, we propose VISO, a robust underwater SLAM system that fuses a stereo…

机器人学 · 计算机科学 2026-03-09 Shu Pan , Simon Archieri , Ahmet Cinar , Jonatan Scharff Willners , Ignacio Carlucho , Yvan Petillot

Accurate segmentation of vascular networks from sparse CT scan slices remains a significant challenge in medical imaging, particularly due to the thin, branching nature of vessels and the inherent sparsity between imaging planes. Existing…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Salvatore Esposito , Daniel Rebain , Arno Onken , Changjian Li , Oisin Mac Aodha

Precision in identifying and differentiating micro and macro blood vessels in the retina is crucial for the diagnosis of retinal diseases, although it poses a significant challenge. Current autoencoding-based segmentation approaches…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Rui Yang , Shunpu Zhang

Different from the Single Image Super-Resolution(SISR) task, the key for Video Super-Resolution(VSR) task is to make full use of complementary information across frames to reconstruct the high-resolution sequence. Since images from…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Lielin Jiang , Na Wang , Qingqing Dang , Rui Liu , Baohua Lai

Three-Dimensional Gaussian Splatting (3DGS) has shown substantial promise in the field of computer vision, but remains unexplored in the field of magnetic resonance imaging (MRI). This study explores its potential for the reconstruction of…

图像与视频处理 · 电气工程与系统科学 2026-03-18 Tengya Peng , Ruyi Zha , Zhen Li , Xiaofeng Liu , Qing Zou

Purpose: This work aims to raise a novel design for navigator-free multiband (MB) multishot uniform-density spiral (UDS) acquisition and reconstruction, and to demonstrate its utility for high-efficiency, high-resolution diffusion imaging.…

医学物理 · 物理学 2024-07-31 Yuancheng Jiang , Guangqi Li , Xin Shao , Hua Guo

Multi-view mesh reconstruction remains a core challenge in computer graphics and vision, especially for recovering high-frequency geometry from sparse observations. Recent methods such as 3D Gaussian Splatting (3DGS) and Neural Radiance…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Nandhana Sunil , Abhirami R Iyer , Avirup Mandal

Feedforward 3D Gaussian Splatting (3DGS) overcomes the limitations of optimization-based 3DGS by enabling fast and high-quality reconstruction without the need for per-scene optimization. However, existing feedforward approaches typically…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Anran Wu , Long Peng , Xin Di , Xueyuan Dai , Chen Wu , Yang Wang , Xueyang Fu , Yang Cao , Zheng-Jun Zha

Vibro-acoustography (VA) is a medical imaging method based on the difference-frequency generation produced by the mixture of two focused ultrasound beams. VA has been applied to different problems in medical imaging such as imaging bones,…

计算机视觉与模式识别 · 计算机科学 2012-07-17 Talita Perciano , Matthew Urban , Nelson D. A. Mascarenhas , Mostafa Fatemi , Alejandro C. Frery , Glauber T. Silva

Neural rendering of implicit surfaces performs well in 3D vision applications. However, it requires dense input views as supervision. When only sparse input images are available, output quality drops significantly due to the shape-radiance…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Haoyu Wu , Alexandros Graikos , Dimitris Samaras

Computed Tomography (CT) technology reduces radiation haz-ards to the human body through sparse sampling, but fewer sampling angles pose challenges for image reconstruction. Score-based generative models are widely used in sparse-view CT…

图像与视频处理 · 电气工程与系统科学 2025-12-22 Junyan Zhang , Mengxiao Geng , Pinhuang Tan , Yi Liu , Zhili Liu , Bin Huang , Qiegen Liu

In this study, we develop vector flow imaging techniques for multi-layered models with a high wavespeed contrast using photoacoustic and ultrasonic imaging. We use refraction-corrected delay-and-sum image reconstruction (RC-DAS), which…

医学物理 · 物理学 2025-12-18 Caitlin Smith , Guillaume Renaud , Kasper van Wijk , Jami Shepherd

Multi-image super-resolution (MISR) is a critical technique for satellite remote sensing. In the perspective of information, twin-image super-resolution (TISR) is regarded as the most challenging MISR scenario, having crucial applications…

图像与视频处理 · 电气工程与系统科学 2026-02-26 Chia-Hsiang Lin , Wei-Chih Liu , Yu-En Chiu , Jhao-Ting Lin

Ultrafast ultrasound localization microscopy (ULM), which has shown promising results in microvascular imaging, overcomes the typical trade-off between resolution and penetration depth. Combining ultrasound contrast agents and high frame…

信号处理 · 电气工程与系统科学 2024-07-02 A. N. Madhavanunni , Niya Mariam Benoy , Mahesh Raveendranatha Panicker , Himanshu Shekhar

MR vascular Fingerprinting proposes to use the MR Fingerprinting framework to quantitatively and simultaneously map several microvascular characteristics at a sub-voxel scale. The initial implementation assessed the local blood oxygenation…

Surgical scene understanding in Robot-assisted Minimally Invasive Surgery (RMIS) is highly reliant on visual cues and lacks tactile perception. Force-modulated surgical palpation with tactile feedback is necessary for localization,…

机器人学 · 计算机科学 2024-08-27 Raghava Uppuluri , Abhinaba Bhattacharjee , Sohel Anwar , Yu She

Objective: The objective of this work is an attempt towards non-contact freehand 3D ultrasound imaging with minimal complexity added to the existing point of care ultrasound (POCUS) systems. Methods: This study proposes a novel approach of…

图像与视频处理 · 电气工程与系统科学 2023-10-09 Antony Jerald , A. N. Madhavanunni , Gayathri Malamal , Mahesh Raveendranatha Panicker