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Change detection has essential significance for the region's development, in which pseudo-changes between bitemporal images induced by imaging environmental factors are key challenges. Existing transformation-based methods regard…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Qi Zang , Shuang Wang , Dong Zhao , Dou Quan , Yang Hu , Licheng Jiao

We focus on the problem of domain adaptation when the goal is shifting the model towards the target distribution, rather than learning domain invariant representations. It has been shown that under the following two assumptions: (a) access…

Machine Learning · Computer Science 2021-07-14 Samira Abnar , Rianne van den Berg , Golnaz Ghiasi , Mostafa Dehghani , Nal Kalchbrenner , Hanie Sedghi

Neural ray tracing (RT) has emerged as a promising paradigm for channel modeling by combining physical propagation principles with neural networks. It enables high modeling accuracy and efficiency. However, current neural RT methods face…

Machine Learning · Computer Science 2025-06-24 Kejia Bian , Meixia Tao , Shu Sun , Jun Yu

Data augmentation is widely used to enhance generalization in visual classification tasks. However, traditional methods struggle when source and target domains differ, as in domain adaptation, due to their inability to address domain gaps.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Khawar Islam , Muhammad Zaigham Zaheer , Arif Mahmood , Karthik Nandakumar , Naveed Akhtar

Precipitation remains one of the most challenging climate variables to observe and predict accurately. Existing datasets face intricate trade-offs: gauge observations are relatively trustworthy but sparse, satellites provide global coverage…

Atmospheric and Oceanic Physics · Physics 2025-06-24 Sencan Sun , Congyi Nai , Baoxiang Pan , Wentao Li , Lu Li , Xin Li , Efi Foufoula-Georgiou , Yanluan Lin

The availability of data is limited in some fields, especially for object detection tasks, where it is necessary to have correctly labeled bounding boxes around each object. A notable example of such data scarcity is found in the domain of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Matteo Paiano , Stefano Martina , Carlotta Giannelli , Filippo Caruso

The field of self-supervised 3D representation learning has emerged as a promising solution to alleviate the challenge presented by the scarcity of extensive, well-annotated datasets. However, it continues to be hindered by the lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yunsong Wang , Na Zhao , Gim Hee Lee

State-of-the-art stereo matching (SM) models trained on synthetic data often fail to generalize to real data domains due to domain differences, such as color, illumination, contrast, and texture. To address this challenge, we leverage data…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Shuangli Du , Jing Wang , Minghua Zhao , Zhenyu Xu , Jie Li

As an essential procedure in earth observation system, change detection (CD) aims to reveal the spatial-temporal evolution of the observation regions. A key prerequisite for existing change detection algorithms is aligned geo-references…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yitao Zhao , Sen Lei , Nanqing Liu , Heng-Chao Li , Turgay Celik , Qing Zhu

Modeling real-world phenomena is a focus of many science and engineering efforts, such as ecological modeling and financial forecasting, to name a few. Building an accurate model for complex and dynamic systems improves understanding of…

Artificial Intelligence · Computer Science 2021-03-02 Namyong Park , MinHyeok Kim , Nguyen Xuan Hoai , R. I. , McKay , Dong-Kyun Kim

With the rapid advances of data acquisition techniques, spatio-temporal data are becoming increasingly abundant in a diverse array of disciplines. Here we develop spatio-temporal regression methodology for analyzing large amounts of…

Methodology · Statistics 2021-12-01 Ting Fung Ma , Fangfang Wang , Jun Zhu , Anthony R. Ives , Katarzyna E. Lewińska

Environmental monitoring is crucial to our understanding of climate change, biodiversity loss and pollution. The availability of large-scale spatio-temporal data from sources such as sensors and satellites allows us to develop sophisticated…

Recently, realistic data augmentation using neural networks especially generative neural networks (GAN) has achieved outstanding results. The communities main research focus is visual image processing. However, automotive cars and robots…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Maximilian Pöpperl , Raghavendra Gulagundi , Senthil Yogamani , Stefan Milz

Wildlife monitoring is crucial for studying biodiversity loss and climate change. Camera trap images provide a non-intrusive method for analyzing animal populations and identifying ecological patterns over time. However, manual analysis is…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Julian D. Santamaria , Claudia Isaza , Jhony H. Giraldo

A grand goal in AI is to build a robot that can accurately navigate based on natural language instructions, which requires the agent to perceive the scene, understand and ground language, and act in the real-world environment. One key…

Computation and Language · Computer Science 2019-04-09 Hao Tan , Licheng Yu , Mohit Bansal

Robot learning requires a considerable amount of high-quality data to realize the promise of generalization. However, large data sets are costly to collect in the real world. Physics simulators can cheaply generate vast data sets with broad…

Adapting pre-trained deep learning models to new and unknown environments remains a major challenge in underwater acoustic localization. We show that although the performance of pre-trained models suffers from mismatch between the training…

Sound · Computer Science 2025-10-14 Dariush Kari , Hari Vishnu , Andrew C. Singer

Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

Machine Learning · Computer Science 2017-08-22 Luke Taylor , Geoff Nitschke

Climate projections using data driven machine learning models acting as emulators, is one of the prevailing areas of research to enable policy makers make informed decisions. Use of machine learning emulators as surrogates for…

Machine Learning · Computer Science 2023-08-24 Anmol Chaure , Ashok Kumar Behera , Sudip Bhattacharya

Human beings can quickly adapt to environmental changes by leveraging learning experience. However, the poor ability of adapting to dynamic environments remains a major challenge for AI models. To better understand this issue, we study the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Peng Su , Shixiang Tang , Peng Gao , Di Qiu , Ni Zhao , Xiaogang Wang