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Related papers: SARA: Scene-Aware Reconstruction Accelerator

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Synthetic aperture radar tomography (TomoSAR) has been extensively employed in 3-D reconstruction in dense urban areas using high-resolution SAR acquisitions. Compressive sensing (CS)-based algorithms are generally considered as the state…

Signal Processing · Electrical Eng. & Systems 2022-05-04 Kun Qian , Yuanyuan Wang , Yilei Shi , Xiao Xiang Zhu

Recent efforts in Gaussian-Splat-based Novel View Synthesis can achieve photorealistic rendering; however, such capability is limited in sparse-view scenarios due to sparse initialization and over-fitting floaters. Recent progress in depth…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Yutao Tang , Yuxiang Guo , Deming Li , Cheng Peng

Automatic Target Recognition (ATR) in Synthetic aperture radar (SAR) images becomes a very challenging problem owing to containing high level noise. In this study, a machine learning-based method is proposed to detect different moving and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Umut Özkaya

Vision transformers in vision-language models typically use the same amount of compute for every image, regardless of whether it is simple or complex. We propose ICAR (Image Complexity-Aware Retrieval), an adaptive computation approach that…

Information Retrieval · Computer Science 2026-01-16 Mikel Williams-Lekuona , Georgina Cosma

Vision-Language-Action (VLA) models exhibit strong generalization in robotic manipulation, yet reinforcement learning (RL) fine-tuning often degrades robustness under spatial distribution shifts. For flow-matching VLA policies, this…

Robotics · Computer Science 2026-02-03 Xu Pan , Zhenglin Wan , Xingrui Yu , Xianwei Zheng , Youkai Ke , Ming Sun , Rui Wang , Ziwei Wang , Ivor Tsang

Sampling-based motion planners such as Rapidly-exploring Random Tree* (RRT*) and its informed variant IRRT* are widely used for optimal path planning in complex environments. However, these methods often suffer from slow convergence and…

Robotics · Computer Science 2025-05-29 Hyejeong Ryu

We present a new iterative rotation inversion technique based on the Simultaneous Algebraic Reconstruction Technique developed for image reconstruction. We describe in detail our algorithmic implementation and compare it to the classical…

Solar and Stellar Astrophysics · Physics 2024-06-17 Sylvain G. Korzennik , Antonio Eff-Darwich

We consider the problem in Synthetic Aperture RADAR (SAR) of identifying and classifying objects located on the ground by means of Convolutional Neural Networks (CNNs). Specifically, we adopt a single scattering approximation to classify…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Romina Gaburro , Patrick Healy , Shraddha Naidu , Clifford Nolan

Synthetic Aperture Radar (SAR) and optical imagery provide complementary strengths that constitute the critical foundation for transcending single-modality constraints and facilitating cross-modal collaborative processing and intelligent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Peihao Wu , Yongxiang Yao , Yi Wan , Wenfei Zhang , Ruipeng Zhao , Jiayuan Li , Yongjun Zhang

We propose MESA and DMESA as novel feature matching methods, which utilize Segment Anything Model (SAM) to effectively mitigate matching redundancy. The key insight of our methods is to establish implicit-semantic area matching prior to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Yesheng Zhang , Shuhan Shen , Xu Zhao

Recent Mamba-based methods for the pose-lifting task tend to model joint dependencies by 2D-to-1D mapping with diverse scanning strategies. Though effective, they struggle to model intricate joint connections and uniformly process all joint…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Ye Lu , Jie Wang , Jianjun Gao , Rui Gong , Chen Cai , Kim-Hui Yap

Symbolic regression (SR) seeks to recover closed-form mathematical expressions that describe observed data. While existing methods have advanced the discovery of either explicit mappings (i.e., $y = f(\mathbf{x})$) or discovering implicit…

Machine Learning · Computer Science 2025-08-20 Michael Scherk , Boyuan Chen

We propose ways to speed up the initial pose-graph generation for global Structure-from-Motion algorithms. To avoid forming tentative point correspondences by FLANN and geometric verification by RANSAC, which are the most time-consuming…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Daniel Barath , Dmytro Mishkin , Ivan Eichhardt , Ilia Shipachev , Jiri Matas

Scene flow, which provides the 3D motion field of the first frame from two consecutive point clouds, is vital for dynamic scene perception. However, contemporary scene flow methods face three major challenges. Firstly, they lack global flow…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Zhiyang Lu , Qinghan Chen , Zhimin Yuan , Ming Cheng

Despite the recent success of Multimodal Foundation Models (FMs), their reliance on massive paired datasets limits their applicability in low-data and rare-scenario settings where aligned data is scarce and expensive. A key bottleneck is…

Machine Learning · Computer Science 2026-05-14 Truong Pham , Anay Majee , Rishabh Iyer

Shape assembly, which aims to reassemble separate parts into a complete object, has gained significant interest in recent years. Existing methods primarily rely on networks to predict the poses of individual parts, but often fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Jiahan Li , Chaoran Cheng , Jianzhu Ma , Ge Liu

Synthetic aperture radar (SAR) tomography (TomoSAR) has attracted remarkable interest for its ability in achieving three-dimensional reconstruction along the elevation direction from multiple observations. In recent years, compressed…

Signal Processing · Electrical Eng. & Systems 2022-05-06 Muhan Wang , Zhe Zhang , Yue Wang , Silin Gao , Xiaolan Qiu

In this paper, we propose a green beamforming design for the integrated sensing and communication (ISAC) system, using beam-matching error to assess radar performance. The beam-matching error metric, which considers the mean square error…

Signal Processing · Electrical Eng. & Systems 2023-10-24 Luping Xiang , Ke Xu , Jie Hu , Kun Yang

Reconstructing a dynamic scene from image inputs is a fundamental computer vision task with many downstream applications. Despite recent advancements, existing approaches still struggle to achieve high-quality reconstructions from unseen…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Sara Oblak , Despoina Paschalidou , Sanja Fidler , Matan Atzmon

This paper studies a practically meaningful ship detection problem from synthetic aperture radar (SAR) images by the neural network. We broadly extract different types of SAR image features and raise the intriguing question that whether…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yuwen Deng , Donghai Guan , Yanyu Chen , Weiwei Yuan , Jiemin Ji , Mingqiang Wei
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