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Molecularly targeted contrast enhanced ultrasound (mCEUS) is a clinically promising approach for early cancer detection through targeted imaging of VEGFR2 (KDR) receptors. We have developed computational enhancement techniques for mCEUS…

Image and Video Processing · Electrical Eng. & Systems 2020-06-23 Andrew A. Berlin , Mon Young , Ahmed El Kaffas , Sam Gambhir , Amelie Lutz , Maria Luigia Storto , Juergen Willmann

Continuum normalization of echelle spectra is an important data analysis step that is difficult to automate. Polynomial fitting requires a reasonably high order model to follow the steep slope of the blaze function. However, in the presence…

Instrumentation and Methods for Astrophysics · Physics 2019-06-05 Xin Xu , Jessi Cisewski-Kehe , Allen B. Davis , Debra A. Fischer , John M. Brewer

Ultrasound imaging, despite its widespread use in medicine, often suffers from various sources of noise and artifacts that impact the signal-to-noise ratio and overall image quality. Enhancing ultrasound images requires a delicate balance…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Yuxin Zhang , Clément Huneau , Jérôme Idier , Diana Mateus

Deploying Automatic Speech Recognition (ASR) models on memory-constrained edge devices requires aggressive low-bit weight quantization. Layer-wise post-training quantization is practical and effective, but it suffers from cross-layer error…

Sound · Computer Science 2026-04-28 Xinyu Wang , Ziyu Zhao , Yajie Luo , Yihong Wu , Liheng Ma , Jingrui Tian , Lei Ding , Xiao-Wen Chang , Peng Lu

Federated learning of causal estimands may greatly improve estimation efficiency by leveraging data from multiple study sites, but robustness to heterogeneity and model misspecifications is vital for ensuring validity. We develop a…

Methodology · Statistics 2023-10-06 Larry Han , Jue Hou , Kelly Cho , Rui Duan , Tianxi Cai

Sparse channel estimation problem is one of challenge technical issues in stable broadband wireless communications. Based on square error criterion (SEC), adaptive sparse channel estimation (ASCE) methods, e.g., zero-attracting least mean…

Information Theory · Computer Science 2015-03-04 Guan Gui , Li Xu , Shinya Matsushita

The purpose of this work is to improve the efficiency in estimating the average causal effect (ACE) on the survival scale where right-censoring exists and high-dimensional covariate information is available. We propose new estimators using…

Methodology · Statistics 2021-06-29 Ran Dai , Cheng Zheng , Mei-Jie Zhang

In semi-logarithmic regressions, treatment coefficients are often interpreted as approximations of the average treatment effect (ATE) in percentage points. This paper highlights the overlooked bias of this approximation under treatment…

Econometrics · Economics 2026-02-04 Ying Zeng

Conditional average treatment effects (CATEs) allow us to understand the effect heterogeneity across a large population of individuals. However, typical CATE learners assume all confounding variables are measured in order for the CATE to be…

Machine Learning · Computer Science 2022-02-01 Yao Zhang , Jeroen Berrevoets , Mihaela van der Schaar

Estimating conditional average treatment effect from observational data is highly challenging due to the existence of treatment selection bias. Prevalent methods mitigate this issue by aligning distributions of different treatment groups in…

Machine Learning · Computer Science 2025-05-07 Hao Wang , Zhichao Chen , Jiajun Fan , Haoxuan Li , Tianqiao Liu , Weiming Liu , Quanyu Dai , Yichao Wang , Zhenhua Dong , Ruiming Tang

Application of frequency-dependent squeezed vacuum improves the force sensitivity of optomechanical interferometer beyond the standard quantum limit by a factor of $e^{-r}$, where $r$ is the squeezing parameter. In this work, we show that…

Optics · Physics 2023-01-10 Sreeshna Subhash , Sanket Das , Tarak Nath Dey , Yong Li , Sankar Davuluri

Background: In electrical brain signals such as Local Field Potential (LFP) and Electroencephalogram (EEG), oscillations emerge as a result of neural network activity. The oscillations extend over several frequency bands. Between their…

Signal Processing · Electrical Eng. & Systems 2019-10-11 Mojtaba Chehelcheraghi , Chie Nakatani , Cees van Leeuwen

Analog beamforming is an attractive and cost-effective solution to exploit the benefits of massive multiple-input-multiple-output systems, by requiring only one up/down-conversion chain. However, the presence of only one chain imposes a…

Information Theory · Computer Science 2019-01-15 Vishnu V. Ratnam , Andreas F. Molisch

21cm tomography promises to be a powerful tool for estimating cosmological parameters, constraining the epoch of reionization, and probing the so-called dark ages. However, realizing this promise will require the extraction of a…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-02 Adrian Liu , Max Tegmark

Contrast enhanced ultrasound is a radiation-free imaging modality which uses encapsulated gas microbubbles for improved visualization of the vascular bed deep within the tissue. It has recently been used to enable imaging with unprecedented…

Machine Learning · Computer Science 2019-01-23 Oren Solomon , Regev Cohen , Yi Zhang , Yi Yang , He Qiong , Jianwen Luo , Ruud J. G. van Sloun , Yonina C. Eldar

High intensity focused ultrasound is a non-invasive method for treatment of diseased tissue that uses a beam of ultrasound to generate heat within a small volume. A common challenge in application of this technique is that heterogeneity of…

Continuous treatment effect estimation holds significant practical importance across various decision-making and assessment domains, such as healthcare and the military. However, current methods for estimating dose-response curves hinge on…

Machine Learning · Computer Science 2024-06-05 Ruijing Cui , Jianbin Sun , Bingyu He , Kewei Yang , Bingfeng Ge

The enhancement of spectrum efficiency and the realization of secure spectrum utilization are critically dependent on spectrum cognition. However, existing spectrum cognition methods often exhibit limited generalization and suboptimal…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Chunyu Liu , Hao Zhang , Wei Wu , Fuhui Zhou , Qihui Wu , Derrick Wing Kwan Ng , Chan-Byoung Chae

Electronic Health Record (EHR) data encompass diverse modalities -- text, images, and medical codes -- that are vital for clinical decision-making. To process these complex data, multimodal AI (MAI) has emerged as a powerful approach for…

Machine Learning · Computer Science 2026-03-03 Nikkie Hooman , Zhongjie Wu , Eric C. Larson , Mehak Gupta

Neural network models for audio tasks, such as automatic speech recognition (ASR) and acoustic scene classification (ASC), are susceptible to noise contamination for real-life applications. To improve audio quality, an enhancement module,…

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