English
Related papers

Related papers: Application of minimum entropy deconvolution to de…

200 papers

Denoising and filtering are widely used in routine seismic-data-processing to improve the signal-to-noise ratio (SNR) of recorded signals and by doing so to improve subsequent analyses. In this paper we develop a new denoising/decomposition…

Geophysics · Physics 2020-01-08 Weiqiang Zhu , S. Mostafa Mousavi , Gregory C. Beroza

Pulse-compression is a correlation-based measurement technique successfully used in many NDE applications to increase the SNR in the presence of huge noise, strong signal attenuation or when high excitation levels must be avoided. In…

Signal Processing · Electrical Eng. & Systems 2024-05-02 Marco Ricci , Rocco Zito , Stefano Laureti

Sequential change-point detection plays a critical role in numerous real-world applications, where timely identification of distributional shifts can greatly mitigate adverse outcomes. Classical methods commonly rely on parametric density…

Machine Learning · Statistics 2025-01-23 Wenbin Zhou , Liyan Xie , Zhigang Peng , Shixiang Zhu

Estimating a scene's depth to achieve collision avoidance against moving pedestrians is a crucial and fundamental problem in the robotic field. This paper proposes a novel, low complexity network architecture for fast and accurate human…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Shan An , Fangru Zhou , Mei Yang , Haogang Zhu , Changhong Fu , Konstantinos A. Tsintotas

Data-driven machine-learning for predicting instantaneous and future fault-slip in laboratory experiments has recently progressed markedly due to large training data sets. In Earth however, earthquake interevent times range from 10's-100's…

Geophysics · Physics 2022-01-19 Kun Wang , Christopher W. Johnson , Kane C. Bennett , Paul A. Johnson

Earthquakes can be detected by matching spatial patterns or phase properties from 1-D seismic waves. Current earthquake detection methods, such as waveform correlation and template matching, have difficulty detecting anomalous earthquakes…

Geophysics · Physics 2019-01-30 Zheng Zhou , Youzuo Lin , Zhongping Zhang , Yue Wu , Paul Johnson

Confining dark sectors with pseudo-conformal dynamics can produce Soft Unclustered Energy Patterns (SUEP), at the Large Hadron Collider: the production of dark quarks in proton-proton collisions leading to a dark shower and the…

High Energy Physics - Experiment · Physics 2024-07-08 Simranjit Singh Chhibra , Nadezda Chernyavskaya , Benedikt Maier , Maurzio Pierini , Syed Hasan

The signal demixing problem seeks to separate a superposition of multiple signals into its constituent components. This paper studies a two-stage approach that first decompresses and subsequently deconvolves the noisy and undersampled…

Information Retrieval · Computer Science 2022-05-25 Zhenan Fan , Halyun Jeong , Babhru Joshi , Michael P. Friedlander

While modern deep learning methods have shown great promise in the problem of earthquake detection, the most successful methods so far have been based on supervised learning, which requires large datasets with ground-truth labels. The…

Machine Learning · Computer Science 2024-10-18 Onur Efe , Arkadas Ozakin

Dense depth maps have been used as a key element of visual perception tasks. There have been tremendous efforts to enhance the depth quality, ranging from optimization-based to learning-based methods. Despite the remarkable progress for a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Jin-Hwi Park , Chanhwi Jeong , Junoh Lee , Hae-Gon Jeon

Earthquake signal detection is at the core of observational seismology. A good detection algorithm should be sensitive to small and weak events with a variety of waveform shapes, robust to background noise and non-earthquake signals, and…

Machine Learning · Computer Science 2018-10-05 S. Mostafa Mousavi , Weiqiang Zhu , Yixiao Sheng , Gregory C. Beroza

Estimating depth from a monocular image is an ill-posed problem: when the camera projects a 3D scene onto a 2D plane, depth information is inherently and permanently lost. Nevertheless, recent work has shown impressive results in estimating…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Jagpreet Chawla , Nikhil Thakurdesai , Anuj Godase , Md Reza , David Crandall , Soon-Heung Jung

To limit the time, cost, and environmental impact associated with the acquisition of seismic data, in recent decades considerable effort has been put into so-called simultaneous shooting acquisitions, where seismic sources are fired at…

Geophysics · Physics 2022-06-01 Nick Luiken , Matteo Ravasi , Claire E. Birnie

Bi-temporal change detection is highly sensitive to acquisition discrepancies, including illumination, season, and atmosphere, which often cause false alarms. We observe that genuine changes exhibit higher patch-wise singular-value entropy…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Zelin Lei , Yaoxing Ren , Jiaming Chang

Self-supervised monocular depth estimation (SSMDE) has gained attention in the field of deep learning as it estimates depth without requiring ground truth depth maps. This approach typically uses a photometric consistency loss between a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Wonhyeok Choi , Kyumin Hwang , Minwoo Choi , Kiljoon Han , Wonjoon Choi , Mingyu Shin , Sunghoon Im

Effective structural assessment of urban infrastructure is essential for sustainable land use and resilience to climate change and natural hazards. Seismic wave methods are widely applied in these areas for subsurface characterization and…

Earthquake early warning systems are crucial for protecting areas that are subject to these natural disasters. An essential part of these systems is the detection procedure. Traditionally these systems work with seismograph data, but high…

This study presents a pilot investigation into a novel method for reconstructing real-time ground motion during small magnitude earthquakes (M < 4.5), removing the need for computationally expensive source characterization and simulation…

Geophysics · Physics 2025-11-06 Youngkyu Kim , Qingkai Kong , Youngsoo Choi , Arben Pitarka , Byounghyun Yoo

Hand pose represents key information for action recognition in the egocentric perspective, where the user is interacting with objects. We propose to improve egocentric 3D hand pose estimation based on RGB frames only by using pseudo-depth…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wiktor Mucha , Michael Wray , Martin Kampel

Depth estimation is a crucial step for image-guided intervention in robotic surgery and laparoscopic imaging system. Since per-pixel depth ground truth is difficult to acquire for laparoscopic image data, it is rarely possible to apply…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Baoru Huang , Jian-Qing Zheng , Anh Nguyen , Chi Xu , Ioannis Gkouzionis , Kunal Vyas , David Tuch , Stamatia Giannarou , Daniel S. Elson
‹ Prev 1 3 4 5 6 7 10 Next ›