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This paper introduces an innovative imaging method using reconfigurable intelligent surfaces (RISs) by combining radar coincidence imaging (RCI) and computational imaging techniques. In the proposed framework, RISs simultaneously redirect…

Signal Processing · Electrical Eng. & Systems 2025-07-11 Kavian Zirak , Mohammadreza F. Imani

Recently, diffusion models (DM) have been applied in magnetic resonance imaging (MRI) super-resolution (SR) reconstruction, exhibiting impressive performance, especially with regard to detailed reconstruction. However, the current DM-based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Guangyuan Li , Chen Rao , Juncheng Mo , Zhanjie Zhang , Wei Xing , Lei Zhao

Pretrained segmentation models for cardiac magnetic resonance imaging (MRI) struggle to generalize across different imaging sequences due to significant variations in image contrast. These variations arise from changes in imaging protocols,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Yidong Zhao , Peter Kellman , Hui Xue , Tongyun Yang , Yi Zhang , Yuchi Han , Orlando Simonetti , Qian Tao

It is common to measure a single sample using multiple different microscopy methods that have variable scales, rotation and translation. Registering hyperspectral images of two dimensional materials is particularly difficult due to the lack…

Materials Science · Physics 2022-07-12 Kirby Schmidt , Anthony Trofe , Tetyana Ignatova

Modeling the wireless radiance field (WRF) is fundamental to modern communication systems, enabling key tasks such as localization, sensing, and channel estimation. Traditional approaches, which rely on empirical formulas or physical…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Mufan Liu , Cixiao Zhang , Qi Yang , Yujie Cao , Yiling Xu , Yin Xu , Shu Sun , Mingzeng Dai , Yunfeng Guan

Simulating high-resolution Synthetic Aperture Radar (SAR) images in complex scenes has consistently presented a significant research challenge. The development of a microwave-domain surface scattering model and its reversibility are poised…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Jiangtao Wei , Yixiang Luomei , Xu Zhang , Feng Xu

Precise reconstruction and manipulation of the crumpled cloths is challenging due to the high dimensionality of cloth models, as well as the limited observation at self-occluded regions. We leverage the recent progress in the field of…

Robotics · Computer Science 2024-05-16 Wenbo Wang , Gen Li , Miguel Zamora , Stelian Coros

Multi-view mesh reconstruction remains a core challenge in computer graphics and vision, especially for recovering high-frequency geometry from sparse observations. Recent methods such as 3D Gaussian Splatting (3DGS) and Neural Radiance…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Nandhana Sunil , Abhirami R Iyer , Avirup Mandal

Multiview super-resolution image reconstruction (SRIR) is often cast as a resampling problem by merging non-redundant data from multiple low-resolution (LR) images on a finer high-resolution (HR) grid, while inverting the effect of the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-04 Vildan Atalay Aydin , Hassan Foroosh

Robots benefit from high-fidelity reconstructions of their environment, which should be geometrically accurate and photorealistic to support downstream tasks. While this can be achieved by building distance fields from range sensors and…

Robotics · Computer Science 2025-09-10 Yue Pan , Xingguang Zhong , Liren Jin , Louis Wiesmann , Marija Popović , Jens Behley , Cyrill Stachniss

Compressive video capture encodes a short high-speed video into a single measurement using a low-speed sensor, then computationally reconstructs the original video. Prior implementations rely on expensive hardware and are restricted to…

Image and Video Processing · Electrical Eng. & Systems 2025-09-23 Kevin Tandi , Xiang Dai , Chinmay Talegaonkar , Gal Mishne , Nick Antipa

Spatial transcriptomics (ST) profiles gene expression across a tissue section while preserving the spatial coordinates. Because current ST technologies typically profile two-dimensional tissue slices, integrating and aligning slices from…

Quantitative Methods · Quantitative Biology 2026-03-20 Yaqi Wu , Jingfeng Wang , Xin Maizie Zhou , Yanxiang Zhao , Zixuan Cang

In recent years, reversible data hiding (RDH), a new research hotspot in the field of information security, has been paid more and more attention by researchers. Most of the existing RDH schemes do not fully take it into account that…

Multimedia · Computer Science 2021-10-19 Yujie Jia , Zhaoxia Yin , Xinpeng Zhang , Yonglong Luo

This work presents an approach for automating the discretization and approximation procedures in constructing digital representations of composites from Micro-CT images featuring intricate microstructures. The proposed method is guided by…

Machine Learning · Computer Science 2025-09-11 Yanran Wang , Jonghyuk Baek , Yichun Tang , Jing Du , Mike Hillman , J. S. Chen

Remote Sensing Image-Text Retrieval (RSITR) is pivotal for knowledge services and data mining in the remote sensing (RS) domain. Considering the multi-scale representations in image content and text vocabulary can enable the models to learn…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Rui Yang , Shuang Wang , Yingping Han , Yuanheng Li , Dong Zhao , Dou Quan , Yanhe Guo , Licheng Jiao

Multiple-input-multiple-output (MIMO) millimeter-wave (mmWave) sensors for synthetic aperture radar (SAR) and inverse SAR (ISAR) address the fundamental challenges of cost-effectiveness and scalability inherent to near-field imaging. In…

Signal Processing · Electrical Eng. & Systems 2023-05-04 Josiah W. Smith , Muhammet Emin Yanik , Murat Torlak

Recently, large foundation models trained on vast datasets have demonstrated exceptional capabilities in feature extraction and general feature representation. The ongoing advancements in deep learning-driven large models have shown great…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Meiqi Hu , Lingzhi Lu , Chengxi Han , Xiaoping Liu

Recent advances in deep learning for remote sensing rely heavily on large annotated datasets, yet acquiring high-quality ground truth for geometric, radiometric, and multi-domain tasks remains costly and often infeasible. In particular, the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Safouane El Ghazouali , Nicola Venturi , Michael Rueegsegger , Umberto Michelucci

Hyperspectral imaging is an advanced technique for precisely identifying and analyzing materials or objects. However, its integration with robotic grasping systems has so far been explored due to the deployment complexities and prohibitive…

Robotics · Computer Science 2025-12-08 Zheng Sun , Zhipeng Dong , Shixiong Wang , Zhongyi Chu , Fei Chen

We propose a new mass-mapping algorithm, specifically designed to recover small-scale information from a combination of gravitational shear and flexion. Including flexion allows us to supplement the shear on small scales in order to…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-08 Francois Lanusse , Jean-Luc Starck , Adrienne Leonard , Sandrine Pires