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相关论文: Ultra-NeRF: Neural Radiance Fields for Ultrasound …

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Accurate estimation of the speed-of-sound (SoS) is important for ultrasound (US) image reconstruction techniques and tissue characterization. Various approaches have been proposed to calculate SoS, ranging from tomography-inspired…

机器学习 · 计算机科学 2024-09-24 Michal Byra , Piotr Jarosik , Piotr Karwat , Ziemowit Klimonda , Marcin Lewandowski

Implicit Neural Representations (INRs) are a learning-based approach to accelerate Magnetic Resonance Imaging (MRI) acquisitions, particularly in scan-specific settings when only data from the under-sampled scan itself are available.…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Yamin Arefeen , Brett Levac , Zach Stoebner , Jonathan Tamir

We aim to improve the Inverted Neural Radiance Fields (iNeRF) algorithm which defines the image pose estimation problem as a NeRF based iterative linear optimization. NeRFs are novel neural space representation models that can synthesize…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Ágoston István Csehi , Csaba Máté Józsa

We propose a framework for aligning and fusing multiple images into a single view using neural image representations (NIRs), also known as implicit or coordinate-based neural representations. Our framework targets burst images that exhibit…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Seonghyeon Nam , Marcus A. Brubaker , Michael S. Brown

Ultrasound (US) imaging is widely used in diagnosing and staging abdominal diseases due to its lack of non-ionizing radiation and prevalent availability. However, significant inter-operator variability and inconsistent image acquisition…

机器人学 · 计算机科学 2024-10-28 Yordanka Velikova , Mohammad Farid Azampour , Walter Simson , Marco Esposito , Nassir Navab

The rapid pace of innovation in biological microscopy imaging has led to large images, putting pressure on data storage and impeding efficient sharing, management, and visualization. This necessitates the development of efficient…

We present a novel approach for synthesizing realistic novel views using Neural Radiance Fields (NeRF) with uncontrolled photos in the wild. While NeRF has shown impressive results in controlled settings, it struggles with transient objects…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Shuaixian Wang , Haoran Xu , Yaokun Li , Jiwei Chen , Guang Tan

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Shen Fan , Przemyslaw Musialski

Recently Implicit Neural Representations (INRs) gained attention as a novel and effective representation for various data types. Thus far, prior work mostly focused on optimizing their reconstruction performance. This work investigates INRs…

图像与视频处理 · 电气工程与系统科学 2022-08-05 Yannick Strümpler , Janis Postels , Ren Yang , Luc van Gool , Federico Tombari

Neural Radiance Fields (NeRF) have demonstrated remarkable performance in novel view synthesis. However, there is much improvement room on restoring 3D scenes based on NeRF from corrupted images, which are common in natural scene captures…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Xianliang Huang , Zhizhou Zhong , Shuhang Chen , Yi Xu , Juhong Guan , Shuigeng Zhou

Reliably reconstructing physical fields from sparse sensor data is a challenge that frequently arises in many scientific domains. In practice, the process generating the data often is not understood to sufficient accuracy. Therefore, there…

机器学习 · 计算机科学 2024-01-23 Xihaier Luo , Wei Xu , Yihui Ren , Shinjae Yoo , Balu Nadiga

Although neural radiance fields (NeRF) have shown impressive advances for novel view synthesis, most methods typically require multiple input images of the same scene with accurate camera poses. In this work, we seek to substantially reduce…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Kai-En Lin , Lin Yen-Chen , Wei-Sheng Lai , Tsung-Yi Lin , Yi-Chang Shih , Ravi Ramamoorthi

We present in this paper a novel approach for 3D/2D intraoperative registration during neurosurgery via cross-modal inverse neural rendering. Our approach separates implicit neural representation into two components, handling anatomical…

This paper tackles the simultaneous optimization of pose and Neural Radiance Fields (NeRF). Departing from the conventional practice of using explicit global representations for camera pose, we propose a novel overparameterized…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Shin-Fang Chng , Ravi Garg , Hemanth Saratchandran , Simon Lucey

View synthesis methods using implicit continuous shape representations learned from a set of images, such as the Neural Radiance Field (NeRF) method, have gained increasing attention due to their high quality imagery and scalability to high…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Guo-Wei Yang , Wen-Yang Zhou , Hao-Yang Peng , Dun Liang , Tai-Jiang Mu , Shi-Min Hu

Representing visual signals by implicit representation (e.g., a coordinate based deep network) has prevailed among many vision tasks. This work explores a new intriguing direction: training a stylized implicit representation, using a…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Zhiwen Fan , Yifan Jiang , Peihao Wang , Xinyu Gong , Dejia Xu , Zhangyang Wang

Synthesizing photo-realistic images and videos is at the heart of computer graphics and has been the focus of decades of research. Traditionally, synthetic images of a scene are generated using rendering algorithms such as rasterization or…

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

With dense inputs, Neural Radiance Fields (NeRF) is able to render photo-realistic novel views under static conditions. Although the synthesis quality is excellent, existing NeRF-based methods fail to obtain moderate three-dimensional (3D)…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Shu Chen , Junyao Li , Yang Zhang , Beiji Zou

Fetal brain magnetic resonance imaging (MRI) offers exquisite images of the developing brain but is not suitable for anomaly screening. For this ultrasound (US) is employed. While expert sonographers are adept at reading US images, MR…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Jianbo Jiao , Ana I. L. Namburete , Aris T. Papageorghiou , J. Alison Noble