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The adjoint method is a popular method used for seismic (full-waveform) inversion today. The method is considered to give more realistic and detailed images of the interior of the Earth by the use of more realistic physics. It relies on the…

Geophysics · Physics 2024-08-28 Rafael Abreu

Multifold observations are common for different data modalities, e.g., a 3D shape can be represented by multi-view images and an image can be described with different captions. Existing cross-modal contrastive representation learning…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Ye Wang , Bowei Jiang , Changqing Zou , Rui Ma

We present a wave-equation inversion method that inverts skeletonized data for the subsurface velocity model. The skeletonized representation of the seismic traces consists of the low-rank latent-space variables predicted by a well-trained…

Geophysics · Physics 2019-04-25 Yuqing Chen , Gerard T. Schuster

Recent urbanization has coincided with the enrichment of geotagged data, such as street view and point-of-interest (POI). Region embedding enhanced by the richer data modalities has enabled researchers and city administrators to understand…

Machine Learning · Computer Science 2021-05-07 Tianyuan Huang , Zhecheng Wang , Hao Sheng , Andrew Y. Ng , Ram Rajagopal

With the increased size and complexity of seismic surveys, manual labeling of seismic facies has become a significant challenge. Application of automatic methods for seismic facies interpretation could significantly reduce the manual labor…

Geophysics · Physics 2020-08-06 Vladimir Puzyrev , Chris Elders

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Fabian Fuchs , Mario Ruben Fernandez , Norman Ettrich , Janis Keuper

Recently, human-computer interaction with various modalities has shown promising applications, like GPT-4o and Gemini. Given the foundational role of multimodal joint representation in understanding and generation pipelines, high-quality…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Zehan Wang , Ziang Zhang , Hang Zhang , Luping Liu , Rongjie Huang , Xize Cheng , Hengshuang Zhao , Zhou Zhao

Recent contrastive learning methods have shown to be effective in various tasks, learning generalizable representations invariant to data augmentation thereby leading to state of the art performances. Regarding the multifaceted nature of…

Machine Learning · Computer Science 2022-05-27 MinGyu Choi , Wonseok Shin , Yijingxiu Lu , Sun Kim

Building cross-modal applications is challenging due to limited paired multi-modal data. Recent works have shown that leveraging a pre-trained multi-modal contrastive representation space enables cross-modal tasks to be learned from…

Machine Learning · Computer Science 2024-01-17 Yuhui Zhang , Elaine Sui , Serena Yeung-Levy

This paper introduces an approach to enhance seismic fault recognition through self-supervised pretraining. Seismic fault interpretation holds great significance in the fields of geophysics and geology. However, conventional methods for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Zeren Zhang , Ran Chen , Jinwen Ma

Extracting subsurface velocity information from seismic data is mainly an undetermined problem that requires injecting a priori information to constrain the inversion process. Machine learning has offered a platform to do so through the…

Geophysics · Physics 2025-10-03 Xiao Ma , Shaowen Wang , Tariq Alkhalifah

Person re-identification (ReID) aims at searching the same identity person among images captured by various cameras. Unsupervised person ReID attracts a lot of attention recently, due to it works without intensive manual annotation and thus…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Bo Pang , Deming Zhai , Junjun Jiang , Xianming Liu

Seismic full-waveform inversion (FWI) techniques aim to find a high-resolution subsurface geophysical model provided with waveform data. Some recent effort in data-driven FWI has shown some encouraging results in obtaining 2D velocity maps.…

Machine Learning · Computer Science 2022-05-04 Qili Zeng , Shihang Feng , Brendt Wohlberg , Youzuo Lin

Scientific document representation learning provides powerful embeddings for various tasks, while current methods face challenges across three approaches. 1) Contrastive training with citation-structural signals underutilizes citation…

Information Retrieval · Computer Science 2025-09-10 Zheng Dou , Deqing Wang , Fuzhen Zhuang , Jian Ren , Yanlin Hu

Learning view-invariant representation is a key to improving feature discrimination power for skeleton-based action recognition. Existing approaches cannot effectively remove the impact of viewpoint due to the implicit view-dependent…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Qianhui Men , Edmond S. L. Ho , Hubert P. H. Shum , Howard Leung

4D seismic inversion is the leading method to quantitatively monitor fluid flow dynamics in the subsurface, with applications ranging from enhanced oil recovery to subsurface CO2 storage. The process of inverting seismic data for reservoir…

Geophysics · Physics 2023-10-25 Juan Romero , Nick Luiken , Matteo Ravasi

Estimating correspondences between pairs of non-rigid deformable 3D shapes remains a significant challenge in computer vision and graphics. While deep functional map methods have become the go-to solution for addressing this problem, they…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Feifan Luo , Hongyang Chen

Most multi-view clustering methods are limited by shallow models without sound nonlinear information perception capability, or fail to effectively exploit complementary information hidden in different views. To tackle these issues, we…

Machine Learning · Computer Science 2022-10-14 Fu Lele , Zhang Lei , Yang Jinghua , Chen Chuan , Zhang Chuanfu , Zheng Zibin

We present TaxaBind, a unified embedding space for characterizing any species of interest. TaxaBind is a multimodal embedding space across six modalities: ground-level images of species, geographic location, satellite image, text, audio,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Srikumar Sastry , Subash Khanal , Aayush Dhakal , Adeel Ahmad , Nathan Jacobs

This paper proposes a method for representation learning of multimodal data using contrastive losses. A traditional approach is to contrast different modalities to learn the information shared between them. However, that approach could fail…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Yunze Liu , Qingnan Fan , Shanghang Zhang , Hao Dong , Thomas Funkhouser , Li Yi