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Related papers: SRViT: Vision Transformers for Estimating Radar Re…

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ESA's PROBA-V Earth observation satellite enables us to monitor our planet at a large scale, studying the interaction between vegetation and climate and provides guidance for important decisions on our common global future. However, the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Marcus Märtens , Dario Izzo , Andrej Krzic , Daniël Cox

We solve the problem of sparse signal deconvolution in the context of seismic reflectivity inversion, which pertains to high-resolution recovery of the subsurface reflection coefficients. Our formulation employs a nonuniform, non-convex…

We introduce a synthetic aperture imaging framework that takes into consideration directional dependence of the reflectivity that is to be imaged, as well as its frequency dependence. We use an $\ell_1$ minimization approach that is…

Optimization and Control · Mathematics 2016-01-05 Liliana Borcea , Miguel Moscoso , George Papanicolaou , Chrysoula Tsogka

Object detection is a core component of perception systems, providing the ego vehicle with information about its surroundings to ensure safe route planning. While cameras and Lidar have significantly advanced perception systems, their…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Farzeen Munir , Shoaib Azam , Tomasz Kucner , Ville Kyrki , Moongu Jeon

Automated vehicles need to detect and classify objects and traffic participants accurately. Reliable object classification using automotive radar sensors has proved to be challenging. We propose a method that combines classical radar signal…

Machine Learning · Computer Science 2022-02-18 Adriana-Eliza Cozma , Lisa Morgan , Martin Stolz , David Stoeckel , Kilian Rambach

With the introduction of consumer light field cameras, light field imaging has recently become widespread. However, there is an inherent trade-off between the angular and spatial resolution, and thus, these cameras often sparsely sample in…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Nima Khademi Kalantari , Ting-Chun Wang , Ravi Ramamoorthi

Neural Radiance Fields (NeRF) have demonstrated exceptional capabilities in reconstructing complex scenes with high fidelity. However, NeRF's view dependency can only handle low-frequency reflections. It falls short when handling complex…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Chen Gao , Yipeng Wang , Changil Kim , Jia-Bin Huang , Johannes Kopf

We introduce a high resolution spatially adaptive light source, or a projector, into a neural reflectance field that allows to both calibrate the projector and photo realistic light editing. The projected texture is fully differentiable…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Yotam Erel , Daisuke Iwai , Amit H. Bermano

In recent years, there have been attempts to increase the kernel size of Convolutional Neural Nets (CNNs) to mimic the global receptive field of Vision Transformers' (ViTs) self-attention blocks. That approach, however, quickly hit an upper…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Shahaf E. Finder , Roy Amoyal , Eran Treister , Oren Freifeld

Sea surface temperature (SST) is an essential climate variable that can be measured via ground truth, remote sensing, or hybrid model methodologies. Here, we celebrate SST surveillance progress via the application of a few relevant…

Atmospheric and Oceanic Physics · Physics 2023-06-19 Albert Larson , Ali Shafqat Akanda

We present Recurrent Vision Transformers (RVTs), a novel backbone for object detection with event cameras. Event cameras provide visual information with sub-millisecond latency at a high-dynamic range and with strong robustness against…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Mathias Gehrig , Davide Scaramuzza

Road network graphs provide critical information for autonomous-vehicle applications, such as drivable areas that can be used for motion planning algorithms. To find road network graphs, manually annotation is usually inefficient and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Zhenhua Xu , Yuxuan Liu , Lu Gan , Yuxiang Sun , Xinyu Wu , Ming Liu , Lujia Wang

Satellite observations play a critical role in numerical weather prediction where they are assimilated through an observation operator that maps model states to radiances. In the traditional Ensemble Kalman Filter, these observations are…

Atmospheric and Oceanic Physics · Physics 2026-03-24 Gian Luca Buono , Stefanie Hollborn , Roland Potthast , Jörg Schäfer , Martin Simon

Earth observation satellites like Sentinel-1 (S1) and Sentinel-2 (S2) provide complementary remote sensing (RS) data, but S2 images are often unavailable due to cloud cover or data gaps. To address this, we propose a diffusion model…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Kaan Aydin , Joelle Hanna , Damian Borth

In this work we propose a satellite specific Neural Radiance Fields (NeRF) model capable to obtain a three-dimensional semantic representation (neural semantic field) of the scene. The model derives the output from a set of multi-date…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Valentin Wagner , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens

Vision transformers have gained significant attention and achieved state-of-the-art performance in various computer vision tasks, including image classification, instance segmentation, and object detection. However, challenges remain in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Badri N. Patro , Vijay Srinivas Agneeswaran

In this paper, we present a spectrum monitoring framework for the detection of radar signals in spectrum sharing scenarios. The core of our framework is a deep convolutional neural network (CNN) model that enables Measurement Capable…

Networking and Internet Architecture · Computer Science 2017-05-02 Ahmed Selim , Francisco Paisana , Jerome A. Arokkiam , Yi Zhang , Linda Doyle , Luiz A. DaSilva

Radar-based materials detection received significant attention in recent years for its potential inclusion in consumer and industrial applications like object recognition for grasping and manufacturing quality assurance and control. Several…

Signal Processing · Electrical Eng. & Systems 2022-02-11 Rami N. Khushaba , Andrew J. Hill

The Multiscale Fourier Transform of a seismic trace performs time-frequency analyses over a range of window lengths. The variation in window length captures local and global relative amplitudes between events, thereby allowing reflectivity…

Geophysics · Physics 2025-06-16 John Castagna , Oleg Portniaguine , Gabriel Gil , Arnold Oyem , Chen Liang

We present NeRF-SR, a solution for high-resolution (HR) novel view synthesis with mostly low-resolution (LR) inputs. Our method is built upon Neural Radiance Fields (NeRF) that predicts per-point density and color with a multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Chen Wang , Xian Wu , Yuan-Chen Guo , Song-Hai Zhang , Yu-Wing Tai , Shi-Min Hu
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