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Speed-of-sound has been shown as a potential biomarker for breast cancer imaging, successfully differentiating malignant tumors from benign ones. Speed-of-sound images can be reconstructed from time-of-flight measurements from ultrasound…

图像与视频处理 · 电气工程与系统科学 2020-07-23 Melanie Bernhardt , Valery Vishnevskiy , Richard Rau , Orcun Goksel

3D Gaussian Splatting (3DGS) has emerged as a transformative method in the field of real-time novel synthesis. Based on 3DGS, recent advancements cope with large-scale scenes via spatial-based partition strategy to reduce video memory and…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Tengfei Wang , Xin Wang , Yongmao Hou , Yiwei Xu , Wendi Zhang , Zongqian Zhan

In many ultrasonic imaging systems, data acquisition and image formation are performed on separate computing devices. Data transmission is becoming a bottleneck, thus, efficient data compression is essential. Compression rates can be…

图像与视频处理 · 电气工程与系统科学 2021-09-02 Georgios Pilikos , Lars Horchens , Kees Joost Batenburg , Tristan van Leeuwen , Felix Lucka

We consider the problem of optimizing neural implicit surfaces for 3D reconstruction using acoustic images collected with drifting sensor poses. The accuracy of current state-of-the-art 3D acoustic modeling algorithms is highly dependent on…

信号处理 · 电气工程与系统科学 2026-01-21 Tianxiang Lin , Mohamad Qadri , Kevin Zhang , Adithya Pediredla , Christopher A. Metzler , Michael Kaess

We introduce SparseNeuS, a novel neural rendering based method for the task of surface reconstruction from multi-view images. This task becomes more difficult when only sparse images are provided as input, a scenario where existing neural…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Xiaoxiao Long , Cheng Lin , Peng Wang , Taku Komura , Wenping Wang

X-ray ptychography imaging at synchrotron facilities like the Advanced Photon Source (APS) involves controlling instrument hardwares to collect a set of diffraction patterns from overlapping coherent illumination spots on extended samples,…

仪器与探测器 · 物理学 2022-02-10 Ke Yue , Junjing Deng , Yi Jiang , Youssef Nashed , David Vine , Stefan Vogt

Foundational feed-forward visual geometry models enable accurate and efficient camera pose estimation and scene reconstruction by learning strong scene priors from massive RGB datasets. However, their effectiveness drops when applied to…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Vsevolod Skorokhodov , Chenghao Xu , Shuo Sun , Olga Fink , Malcolm Mielle

Capturing high-quality images from only a few detected photons is a fundamental challenge in computational imaging. Single-photon avalanche diode (SPAD) sensors promise high-quality imaging in regimes where conventional cameras fail, but…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Aryan Garg , Sizhuo Ma , Mohit Gupta

Functional ultrasound (fUS) is a neuroimaging technique known for its high spatiotemporal resolution, enabling non-invasive observation of brain activity through neurovascular coupling. Despite its potential in clinical applications such as…

图像与视频处理 · 电气工程与系统科学 2025-08-20 Zhuo Li , Xuhang Chen , Shuqiang Wang , Bin Yuan , Nou Sotheany , Ngeth Rithea

Incrementally recovering real-sized 3D geometry from a pose-free RGB stream is a challenging task in 3D reconstruction, requiring minimal assumptions on input data. Existing methods can be broadly categorized into end-to-end and visual…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Linqing Zhao , Xiuwei Xu , Yirui Wang , Hao Wang , Wenzhao Zheng , Yansong Tang , Haibin Yan , Jiwen Lu

Spatial audio is fundamental to immersive virtual experiences, yet synthesizing high-fidelity binaural audio from sparse observations remains a significant challenge. Existing methods typically rely on implicit neural representations…

声音 · 计算机科学 2026-04-13 Chunhao Bi , Houqiang Zhong , Zhixin Xu , Li Song , Zhengxue Cheng

Ultrasound computed tomography (USCT) is a promising technique that achieves superior medical imaging reconstruction resolution by fully leveraging waveform information, outperforming conventional ultrasound methods. Despite its advantages,…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Yi Sheng , Hanchen Wang , Yipei Liu , Junhuan Yang , Weiwen Jiang , Youzuo Lin , Lei Yang

With Aperture synthesis (AS) technique, a number of small antennas can assemble to form a large telescope which spatial resolution is determined by the distance of two farthest antennas instead of the diameter of a single-dish antenna.…

太阳与恒星天体物理 · 物理学 2020-12-02 Long Xu , Wenqing Sun , Yihua Yan , Weiqiang Zhang

Compressed sensing based magnetic resonance imaging (CS-MRI) provides an efficient way to reduce scanning time of MRI. Recently deep learning has been introduced into CS-MRI to further improve the image quality and shorten reconstruction…

图像与视频处理 · 电气工程与系统科学 2019-08-13 Wenzhong Zhou , Huiqian Du , Wenbo Mei , Liping Fang

In this paper, we address the challenging problem of data association for underwater SLAM through a novel method for sonar image correspondence using learned features. We introduce SONIC (SONar Image Correspondence), a pose-supervised…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Samiran Gode , Akshay Hinduja , Michael Kaess

Digital subtraction angiography (DSA) is a key imaging technique for the auxiliary diagnosis and treatment of cerebrovascular diseases. Recent advancements in gaussian splatting and dynamic neural representations have enabled robust 3D…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Shiyu Zhang , Zhicong Wu , Huangxuan Zhao , Zhentao Liu , Lei Chen , Yong Luo , Lefei Zhang , Zhiming Cui , Ziwen Ke , Bo Du

Speed-of-sound (SoS) is an emerging ultrasound contrast modality, where pulse-echo techniques using conventional transducers offer multiple benefits. For estimating tissue SoS distributions, spatial domain reconstruction from relative…

图像与视频处理 · 电气工程与系统科学 2023-09-04 Can Deniz Bezek , Maxim Haas , Richard Rau , Orcun Goksel

Surface reconstruction with differentiable rendering has achieved impressive performance in recent years, yet the pervasive photometric ambiguities have strictly bottlenecked existing approaches. This paper presents AmbiSuR, a framework…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Jiahe Li , Jiawei Zhang , Xiao Bai , Jin Zheng , Xiaohan Yu , Lin Gu , Gim Hee Lee

Dynamic scene reconstruction has garnered significant attention in recent years due to its capabilities in high-quality and real-time rendering. Among various methodologies, constructing a 4D spatial-temporal representation, such as 4D-GS,…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Weiwei Cai , Weicai Ye , Peng Ye , Tong He , Tao Chen

In recent years, there has been a growing interest in Semantic Image Synthesis (SIS) through the use of Generative Adversarial Networks (GANs) and diffusion models. This field has seen innovations such as the implementation of specialized…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Khaled M. Seyam , Julian Wiederer , Markus Braun , Bin Yang