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Seismic inversion refers to the process of estimating reservoir rock properties from seismic reflection data. Conventional and machine learning-based inversion workflows usually work in a trace-by-trace fashion on seismic data, utilizing…

图像与视频处理 · 电气工程与系统科学 2020-06-30 Ahmad Mustafa , Motaz Alfarraj , Ghassan AlRegib

Hardware imperfections in RF transmitters introduce features that can be used to identify a specific transmitter amongst others. Supervised deep learning has shown good performance in this task but using datasets not applicable to real…

信号处理 · 电气工程与系统科学 2019-05-21 Cyrille Morin , Leonardo Cardoso , Jakob Hoydis , Jean-Marie Gorce , Thibaud Vial

Recent advancements in foundation models have significantly impacted various fields, including natural language processing, computer vision, and multi-modal tasks. One area that stands to benefit greatly is Earth observation, where these…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Yohei Nakayama , Jiawei Su , Luis M. Pazos-Outón

Seismic full-waveform inversion (FWI), which uses iterative methods to estimate high-resolution subsurface models from seismograms, is a powerful imaging technique in exploration geophysics. In recent years, the computational cost of FWI…

地球物理 · 物理学 2023-11-28 Shihang Feng , Youzuo Lin , Brendt Wohlberg

Under high-intensity rail operations, rail tracks endure considerable stresses resulting in various defects such as corrugation and spellings. Failure to effectively detect defects and provide maintenance in time would compromise service…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Jiayi Zhao , Alison Wun-lam Yeung , Ali Muhammad , Songjiang Lai , Vincent To-Yee NG

Recent advances in deep learning have revolutionized seismic monitoring, yet developing a foundation model that performs well across multiple complex tasks remains challenging, particularly when dealing with degraded signals or data…

机器学习 · 计算机科学 2025-07-10 Xinghao Wang , Feng Liu , Rui Su , Zhihui Wang , Lihua Fang , Lianqing Zhou , Lei Bai , Wanli Ouyang

Face super-resolution aims to recover high-quality facial images from severely degraded low-resolution inputs, but remains challenging due to the loss of fine structural details and identity-specific features. This work introduces SwinIFS,…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Habiba Kausar , Saeed Anwar , Omar Jamal Hammad , Abdul Bais

Seismic processing transforms raw data into subsurface images essential for geophysical applications. Traditional methods face challenges, such as noisy data, and manual parameter tuning, among others. Recently deep learning approaches have…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Fabian Fuchs , Mario Ruben Fernandez , Norman Ettrich , Janis Keuper

Interpolation of aliased seismic data constitutes a key step in a seismic processing workflow to obtain high quality velocity models and seismic images. Building on the idea of describing seismic wavefields as a superposition of local plane…

地球物理 · 物理学 2023-12-12 Francesco Brandolin , Matteo Ravasi , Tariq Alkhalifah

Despite the impressive advancements achieved using deep-learning for functional brain activity analysis, the heterogeneity of functional patterns and scarcity of imaging data still pose challenges in tasks such as prediction of future onset…

图像与视频处理 · 电气工程与系统科学 2023-12-25 Wenhui Cui , Haleh Akrami , Ganning Zhao , Anand A. Joshi , Richard M. Leahy

Seismic data often face challenges in their utilization due to noise contamination, incomplete acquisition, and limited low-frequency information, which hinder accurate subsurface imaging and interpretation. Traditional processing methods…

地球物理 · 物理学 2025-02-04 Shijun Cheng , Randy Harsuko , Tariq Alkhalifah

Assessing the safety and environmental impacts of subsurface resource exploitation and management is critical and requires robust geomechanical modeling. However, uncertainties stemming from model assumptions, intrinsic variability of…

数值分析 · 数学 2025-02-19 Caterina Millevoi , Claudia Zoccarato , Massimiliano Ferronato

This paper presents a novel pre-processing scheme to improve the prediction of sand fraction from multiple seismic attributes such as seismic impedance, amplitude and frequency using machine learning and information filtering. The available…

计算工程、金融与科学 · 计算机科学 2015-10-06 Soumi Chaki , Aurobinda Routray , William K. Mohanty

In recent years, digital watermarking techniques based on deep learning have been widely studied. To achieve both imperceptibility and robustness of image watermarks, most current methods employ convolutional neural networks to build robust…

多媒体 · 计算机科学 2024-09-24 Weitong Chen , Yuheng Li

The proliferation of deepfake technology poses significant challenges to the authenticity and trustworthiness of digital media, necessitating the development of robust detection methods. This study explores the application of Swin…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Aprille J. Xi , Eason Chen

Among the current mainstream change detection networks, transformer is deficient in the ability to capture accurate low-level details, while convolutional neural network (CNN) is wanting in the capacity to understand global information and…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Dalong Zheng , Zebin Wu , Jia Liu , Zhihui Wei

Pathology foundation models learn morphological representations through self-supervised pretraining on large-scale whole-slide images, yet they do not explicitly capture the underlying molecular state of the tissue. Spatial transcriptomics…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Minsoo Lee , Jonghyun Kim , Juseung Yun , Sunwoo Yu , Jongseong Jang

This research presents a novel depth estimation algorithm based on a Transformer-encoder architecture, tailored for the NYU and KITTI Depth Dataset. This research adopts a transformer model, initially renowned for its success in natural…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Linhan Xia , Junbang Liu , Tong Wu

Convolutional neural networks have achieved excellent results in compressed video quality enhancement task in recent years. State-of-the-art methods explore the spatiotemporal information of adjacent frames mainly by deformable convolution.…

多媒体 · 计算机科学 2022-10-26 Li Yu , Wenshuai Chang , Shiyu Wu , Moncef Gabbouj

Seismic data reconstruction is an effective tool for compensating nonuniform and incomplete seismic geometry. Compared with methods for 2D seismic data, 3D reconstruction methods could consider more spatial structure correlation in seismic…

地球物理 · 物理学 2024-06-21 Xinyang Wang , Qianyu Ge , Xintong Dong , Shiqi Dong , Tie Zhong