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In the search for neutrinoless double-beta decay, the high-pressure gaseous Time Projection Chamber has a distinct advantage, because the ionization charge tracks produced by particle interactions are extended and the detector captures the…

Data Analysis, Statistics and Probability · Physics 2018-09-10 Pengcheng Ai , Dong Wang , Guangming Huang , Xiangming Sun

Studies of micro time projection chambers using negative ion gas (NI$\mu$TPC) are conducted especially for direction-sensitive dark matter searches. A NI$\mu$TPC enables to measure the absolute position in the drift direction for…

Instrumentation and Detectors · Physics 2023-02-22 Satoshi Higashino , Takuya Shimada , Tomonori Ikeda , Hirohisa Ishiura , Ryo Kubota , Ayaka Nakayama , Mizuno Ofuji , Kentaro Miuchi

This paper presents a novel approach to addressing challenges in neutrino event reconstruction within large Time Projection Chambers (TPCs). By integrating fiber-coupled digital silicon photomultipliers, we propose a design that enhances…

Instrumentation and Detectors · Physics 2025-03-26 Pieter Alexander Breur , Xavier Defay , David Jackson , James Robert Sinclair , Elizabeth Triller , Andrew Young

We propose a new beam diagnostics method to reconstruct the phase space of charged particle bunches in 5 dimensions, which consist of the horizontal and vertical positions and divergences as well as the time axis. This is achieved by…

Accelerator Physics · Physics 2023-05-08 S. Jaster-Merz , R. W. Assmann , R. Brinkmann , F. Burkart , W. Hillert , M. Stanitzki , T. Vinatier

We investigate a deep learning-based signal processing for liquid argon time projection chambers (LArTPCs), a leading detector technology in neutrino physics. Identifying regions of interest (ROIs) in LArTPCs is challenging due to signal…

Instrumentation and Detectors · Physics 2025-10-30 Avinay Bhat , Mun Jung Jung , Gray Putnam , Haiwang Yu

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Yukai Shi , Jinghui Qin

Recent advances in photoacoustic (PA) imaging have enabled detailed images of microvascular structure and quantitative measurement of blood oxygenation or perfusion. Standard reconstruction methods for PA imaging are based on solving an…

Signal Processing · Electrical Eng. & Systems 2020-04-17 MinWoo Kim , Geng-Shi Jeng , Ivan Pelivanov , Matthew O'Donnell

Generating a surgical report in robot-assisted surgery, in the form of natural language expression of surgical scene understanding, can play a significant role in document entry tasks, surgical training, and post-operative analysis. Despite…

Robotics · Computer Science 2021-04-01 Mengya Xu , Mobarakol Islam , Chwee Ming Lim , Hongliang Ren

Domain adaptive semantic segmentation aims to train a model performing satisfactory pixel-level predictions on the target with only out-of-domain (source) annotations. The conventional solution to this task is to minimize the discrepancy…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Guoliang Kang , Yunchao Wei , Yi Yang , Yueting Zhuang , Alexander G. Hauptmann

Adversarial learning has been embedded into deep networks to learn disentangled and transferable representations for domain adaptation. Existing adversarial domain adaptation methods may not effectively align different domains of multimodal…

Machine Learning · Computer Science 2019-01-01 Mingsheng Long , Zhangjie Cao , Jianmin Wang , Michael I. Jordan

Continuous appearance shifts such as changes in weather and lighting conditions can impact the performance of deployed machine learning models. While unsupervised domain adaptation aims to address this challenge, current approaches do not…

Machine Learning · Statistics 2018-02-27 Markus Wulfmeier , Alex Bewley , Ingmar Posner

We present a novel instance-based approach to handle regression tasks in the context of supervised domain adaptation under an assumption of covariate shift. The approach developed in this paper is based on the assumption that the task on…

Machine Learning · Computer Science 2021-09-16 Antoine de Mathelin , Guillaume Richard , Francois Deheeger , Mathilde Mougeot , Nicolas Vayatis

Test-time defenses are used to improve the robustness of deep neural networks to adversarial examples during inference. However, existing methods either require an additional trained classifier to detect and correct the adversarial samples,…

Machine Learning · Computer Science 2024-08-26 Anurag Singh , Mahalakshmi Sabanayagam , Krikamol Muandet , Debarghya Ghoshdastidar

The topic of the paper is the position reconstruction from signals of segmented detectors. With the help of a simple simulation, it is shown that the position reconstruction using the centre-of-gravity method is strongly biased, if the…

Instrumentation and Detectors · Physics 2021-09-15 A. Ebrahimi , F. Feind , E. Fretwurst , E. Garutti , M. Hajheidari , R. Klanner , D. Pitzl , J. Schwandt , G. Steinbrueck , I. Zoi

Computational imaging is increasingly vital for a broad spectrum of applications, ranging from biological to material sciences. This includes applications where the object is known and sufficiently sparse, allowing it to be described with a…

Image and Video Processing · Electrical Eng. & Systems 2024-01-17 Jacob Seifert , Yifeng Shao , Allard P. Mosk

Domain adaptation is critical for success in new, unseen environments. Adversarial adaptation models applied in feature spaces discover domain invariant representations, but are difficult to visualize and sometimes fail to capture…

Computer Vision and Pattern Recognition · Computer Science 2018-01-01 Judy Hoffman , Eric Tzeng , Taesung Park , Jun-Yan Zhu , Phillip Isola , Kate Saenko , Alexei A. Efros , Trevor Darrell

While deep feature learning has revolutionized techniques for static-image understanding, the same does not quite hold for video processing. Architectures and optimization techniques used for video are largely based off those for static…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Achal Dave , Olga Russakovsky , Deva Ramanan

The practical Domain Adaptation (DA) tasks, e.g., Partial DA (PDA), open-set DA, universal DA, and test-time adaptation, have gained increasing attention in the machine learning community. In this paper, we propose a novel approach, dubbed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Xiang Gu , Xi Yu , Yan Yang , Jian Sun , Zongben Xu

Model predictive control (MPC) has established itself as the primary methodology for constrained control, enabling general-purpose robot autonomy in diverse real-world scenarios. However, for most problems of interest, MPC relies on the…

A number of image-processing problems can be formulated as optimization problems. The objective function typically contains several terms specifically designed for different purposes. Parameters in front of these terms are used to control…

Medical Physics · Physics 2017-11-02 Chenyang Shen , Yesenia Gonzalez , Liyuan Chen , Steve B. Jiang , Xun Jia