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With the advent of digital astronomy, new benefits and new problems have been presented to the modern day astronomer. While data can be captured in a more efficient and accurate manor using digital means, the efficiency of data retrieval…

Instrumentation and Methods for Astrophysics · Physics 2020-01-03 Kyle B Johnston , Hakeem M Oluseyi

Multimodal deep learning foundation models can learn the relationship between images and text. In the context of medical imaging, mapping images to language concepts reflects the clinical task of diagnostic image interpretation, however…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Matthew Christensen , Milos Vukadinovic , Neal Yuan , David Ouyang

Echocardiography plays a fundamental role in the extraction of important clinical parameters (e.g. left ventricular volume and ejection fraction) required to determine the presence and severity of heart-related conditions. When deploying…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Thierry Judge , Olivier Bernard , Woo-Jin Cho Kim , Alberto Gomez , Arian Beqiri , Agisilaos Chartsias , Pierre-Marc Jodoin

We introduce EchoXFlow, a clinical echocardiography dataset for learning from ultrasound in its native acquisition geometry rather than from scan-converted Cartesian videos. Existing public datasets offer limited opportunities to study…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Elias Stenhede , Joanna Sulkowska , Eivind Bjørkan Orstad , Henrik Schirmer , Arian Ranjbar

The classification of electrocardiographic (ECG) signals is a challenging problem for healthcare industry. Traditional supervised learning methods require a large number of labeled data which is usually expensive and difficult to obtain for…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Xu Chen , Saratendu Sethi

Humans can robustly recognize and localize objects by integrating visual and auditory cues. While machines are able to do the same now with images, less work has been done with sounds. This work develops an approach for dense semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Arun Balajee Vasudevan , Dengxin Dai , Luc Van Gool

Medical ultrasound video analysis is challenging due to variable sequence lengths, subtle spatial cues, and the need for interpretable video-level assessment. We introduce GADA, a Graph Attention-based Detection Aggregation framework that…

Image and Video Processing · Electrical Eng. & Systems 2025-10-14 Li Chen , Naveen Balaraju , Jochen Kruecker , Balasundar Raju , Alvin Chen

Limited data and low dose constraints are common problems in a variety of tomographic reconstruction paradigms which lead to noisy and incomplete data. Over the past few years sinogram denoising has become an essential pre-processing step…

Computer Vision and Pattern Recognition · Computer Science 2016-03-15 Faisal Mahmood , Nauman Shahid , Pierre Vandergheynst , Ulf Skoglund

We present an approach for utilizing astrometric orbit information to improve the yield of planetary images and spectra from a follow-on direct detection mission. This approach is based on the notion-strictly hypothetical-that if a…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 John M. Davidson

Electrocardiogram (ECG) detection and delineation are key steps for numerous tasks in clinical practice, as ECG is the most performed non-invasive test for assessing cardiac condition. State-of-the-art algorithms employ digital signal…

Machine Learning · Computer Science 2020-05-12 Guillermo Jimenez-Perez , Alejandro Alcaine , Oscar Camara

Ultrasound (US) imaging is a critical tool in medical diagnostics, offering real-time visualization of physiological processes. One of its major advantages is its ability to capture temporal dynamics, which is essential for assessing motion…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Yves Stebler , Thomas M. Sutter , Ece Ozkan , Julia E. Vogt

Electrocardiogram (ECG) is essential for the clinical diagnosis of arrhythmias and other heart diseases, but deep learning methods based on ECG often face limitations due to the need for high-quality annotations. Although previous ECG…

Machine Learning · Computer Science 2025-02-18 Jiarui Jin , Haoyu Wang , Hongyan Li , Jun Li , Jiahui Pan , Shenda Hong

Ultrasound is a vital diagnostic technique in health screening, with the advantages of non-invasive, cost-effective, and radiation free, and therefore is widely applied in the diagnosis of nodules. However, it relies heavily on the…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Siyuan Jiang , Yan Ding , Yuling Wang , Lei Xu , Wenli Dai , Wanru Chang , Jianfeng Zhang , Jie Yu , Jianqiao Zhou , Chunquan Zhang , Ping Liang , Dexing Kong

Foundation models have recently gained significant attention because of their generalizability and adaptability across multiple tasks and data distributions. Although medical foundation models have emerged, solutions for cardiac imaging,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Sekeun Kim , Pengfei Jin , Sifan Song , Cheng Chen , Yiwei Li , Hui Ren , Xiang Li , Tianming Liu , Quanzheng Li

We propose the application of coronagraphic techniques to the spectroscopic direct detection of exoplanets via the Doppler shift of planetary molecular lines. Even for an unresolved close-in planetary system, we show that the combination of…

Earth and Planetary Astrophysics · Physics 2014-06-05 Hajime Kawahara , Naoshi Murakami , Taro Matsuo , Takayuki Kotani

In the era of Large Language Models (LLMs), embodied artificial intelligence presents transformative opportunities for robotic manipulation tasks. Ultrasound imaging, a widely used and cost-effective medical diagnostic procedure, faces…

Robotics · Computer Science 2025-05-30 Mingcong Chen , Siqi Fan , Guanglin Cao , Yun-hui Liu , Hongbin Liu

Compared to conventional decomposition methods that use ellipses or polygons to represent free space, starshaped representation can better capture the natural distribution of sensor data, thereby exploiting a larger portion of traversable…

Robotics · Computer Science 2025-02-12 Kai Chen , Haichao Liu , Yulin Li , Jianghua Duan , Lei Zhu , Jun Ma

Current descriptors for global localization often struggle under vast viewpoint or appearance changes. One possible improvement is the addition of topological information on semantic objects. However, handcrafted topological descriptors are…

Continuous monitoring of cardiac activity is paramount to understanding the functioning of the heart in addition to identifying precursors to conditions such as Atrial Fibrillation. Through continuous cardiac monitoring, early indications…

Machine Learning · Computer Science 2020-10-13 Prithvi Suresh , Naveen Narayanan , Chakilam Vijay Pranav , Vineeth Vijayaraghavan

The reconstruction of micro-Doppler signatures of human movements is a key enabler for fine-grained activity recognition wireless sensing. In Joint Communication and Sensing (JCS) systems, unlike in dedicated radar sensing systems, a…

Signal Processing · Electrical Eng. & Systems 2024-02-06 Riccardo Mazzieri , Jacopo Pegoraro , Michele Rossi