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Synthetic Aperture Radar (SAR) imagery plays a critical role in all-weather, day-and-night remote sensing applications. However, existing SAR-oriented deep learning is constrained by data scarcity, while the physically grounded speckle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Danxu Liu , Di Wang , Hebaixu Wang , Haoyang Chen , Wentao Jiang , Yilin Cheng , Haonan Guo , Wei Cui , Jing Zhang

Magnetic Resonance Imaging is a critical imaging modality in clinical diagnosis and research, yet its complexity and heterogeneity hinder scalable, generalizable machine learning. Although foundation models have revolutionized language and…

Recent advances in large-scale pretraining have yielded visual foundation models with strong capabilities. Not only can recent models generalize to arbitrary images for their training task, their intermediate representations are useful for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Mohamed El Banani , Amit Raj , Kevis-Kokitsi Maninis , Abhishek Kar , Yuanzhen Li , Michael Rubinstein , Deqing Sun , Leonidas Guibas , Justin Johnson , Varun Jampani

Recent vision foundation models can extract universal representations and show impressive abilities in various tasks. However, their application on object detection is largely overlooked, especially without fine-tuning them. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Shenghao Fu , Junkai Yan , Qize Yang , Xihan Wei , Xiaohua Xie , Wei-Shi Zheng

Robotic perception in unstructured environments remains challenging despite the zero-shot capabilities of foundation models such as SAM. This work attributes performance degradation to non-uniform representation shifts across transformer…

Robotics · Computer Science 2026-05-26 Wenhui Chu

Synthetic Aperture Radar (SAR) images are widely used in remote sensing due to their all-weather, all-day imaging capabilities. However, SAR images are highly susceptible to noise, particularly speckle noise, caused by the coherent imaging…

Information Theory · Computer Science 2024-12-25 Xuran Hu , Mingzhe Zhu , Djordje Stanković , Zhenpeng Feng , Shouhan Mao , Ljubiša Stanković

As a result of several successful applications in computer vision and image processing, sparse representation (SR) has attracted significant attention in multi-sensor image fusion. Unlike the traditional multiscale transforms (MSTs) that…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Qiang Zhang , Yi Liu , Rick S. Blum , Jungong Han , Dacheng Tao

Significant differences in optical images and Synthetic Aperture Radar (SAR) images are caused by fundamental differences in the physical principles underlying their acquisition by Earth remote sensing platforms. These differences make…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Alexey Borisov , Evgeny Myasnikov , Vladislav Myasnikov

Image registration is a fundamental task in medical image analysis. Deformations are often closely related to the morphological characteristics of tissues, making accurate feature extraction crucial. Recent weakly supervised methods improve…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yue He , Min Liu , Qinghao Liu , Jiazheng Wang , Yaonan Wang , Hang Zhang , Xiang Chen

We demonstrate the successful use of scattering representations without further compression for simulation-based inference (SBI) with images (i.e. field-level), illustrated with a cosmological case study. Scattering representations provide…

Machine Learning · Computer Science 2024-12-03 Kiyam Lin , Benjamin Joachimi , Jason D. McEwen

Synthetic Aperture Radar (SAR) images are inherently corrupted by speckle noise, limiting their utility in high-precision applications. While deep learning methods have shown promise in SAR despeckling, most methods employ a single unified…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ziqing Ma , Chang Yang , Zhichang Guo , Yao Li

Depth estimation is a fundamental task in 3D computer vision, crucial for applications such as 3D reconstruction, free-viewpoint rendering, robotics, autonomous driving, and AR/VR technologies. Traditional methods relying on hardware…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Zhen Xu , Hongyu Zhou , Sida Peng , Haotong Lin , Haoyu Guo , Jiahao Shao , Peishan Yang , Qinglin Yang , Sheng Miao , Xingyi He , Yifan Wang , Yue Wang , Ruizhen Hu , Yiyi Liao , Xiaowei Zhou , Hujun Bao

In this work, we propose a novel learning-based method to jointly estimate the shape and subsurface scattering (SSS) parameters of translucent objects by utilizing polarization cues. Although polarization cues have been used in various…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Chenhao Li , Trung Thanh Ngo , Hajime Nagahara

A Polarimetric Synthetic Aperture Radar (PolSAR) sensor is able to collect images in different polarization states, making it a rich source of information for target characterization. PolSAR images are inherently affected by speckle.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Adugna G. Mullissa , Claudio Persello , Johannes Reiche

The demand for high-resolution subsurface imaging and continuous Earth monitoring has driven rapid growth in active and passive seismic data from dense geophone deployments, distributed acoustic sensing (DAS) arrays, and large-scale 2D and…

Geophysics · Physics 2026-05-13 Jiahua Zhao , Umair bin Waheed , Jing Sun , Yang Cui , Nikos Savva , Eric Verschuur

Synthetic Aperture Radar (SAR) provides all-weather, high-resolution imaging capabilities, but its unique imaging mechanism often requires expert interpretation, limiting its widespread applicability. Translating SAR images into more easily…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Xinyu Bai , Feng Xu

Sparsity-regularized synthetic aperture radar (SAR) imaging framework has shown its remarkable performance to generate a feature enhanced high resolution image, in which a sparsity-inducing regularizer is involved by exploiting the sparsity…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Biao Hou , Zaidao Wen , Licheng Jiao , Qian Wu

Seismic geobody interpretation is crucial for structural geology studies and various engineering applications. Existing deep learning methods show promise but lack support for multi-modal inputs and struggle to generalize to different…

Geophysics · Physics 2024-09-17 Hang Gao , Xinming Wu , Luming Liang , Hanlin Sheng , Xu Si , Gao Hui , Yaxing Li

The performance of model-based decomposition approaches rooted in the Freeman-Durden concept is an active research line in PolSAR field according to the considerable attention it has deserved along the last twenty years. Certainly, most of…

Signal Processing · Electrical Eng. & Systems 2020-01-17 J. David Ballester-Berman , Thomas L. Ainsworth , Juan M. Lopez-Sanchez

Classification of polarimetric synthetic aperture radar (PolSAR) images is an active research area with a major role in environmental applications. The traditional Machine Learning (ML) methods proposed in this domain generally focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Mete Ahishali , Serkan Kiranyaz , Turker Ince , Moncef Gabbouj