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The loss of STEREO-B in 2014 created a persistent blind spot in Extreme Ultraviolet (EUV) imaging of the solar farside. We present HelioFill, to the authors' knowledge, the first denoising-diffusion inpainting model that restores full-Sun…

Solar and Stellar Astrophysics · Physics 2025-10-21 Firas Ben Ameur , Rayan Dhib , Yahia Battach , Andrea Lani , Matteo Parsani , Omar Knio , Stefaan Poedts

Scientific and environmental imagery often suffer from complex mixtures of noise related to the sensor and the environment. Existing restoration methods typically remove one degradation at a time, leading to cascading artifacts,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Rupa Kurinchi-Vendhan , Pratyusha Sharma , Antonio Torralba , Sara Beery

An efficient computational approach for optimal reconstruction of binary-type images suitable for models in various applications including biomedical imaging is developed and validated. The methodology includes derivative-free optimization…

Optimization and Control · Mathematics 2022-09-27 Paul R. Arbic , Vladislav Bukshtynov

Visual stimuli reconstruction from EEG remains challenging due to fidelity loss and representation shift. We propose CognitionCapturerPro, an enhanced framework that integrates EEG with multi-modal priors (images, text, depth, and edges)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Kaifan Zhang , Lihuo He , Junjie Ke , Yuqi Ji , Lukun Wu , Lizi Wang , Xinbo Gao

The Event Horizon Telescope (EHT) has recently released high-resolution images of accretion flows onto two supermassive black holes. Our physical understanding of these images depends on accuracy and precision of numerical models of plasma…

Instrumentation and Methods for Astrophysics · Physics 2023-03-08 Monika Moscibrodzka , Aristomenis Yfantis

We demonstrate a hybrid quantum memory that combines Gradient Echo Memory (GEM) and Electromagnetically Induced Transparency (EIT) protocols for reversible mapping between light and atomic coherence. By leveraging GEM and EIT…

Quantum Physics · Physics 2025-09-04 Stanisław Kurzyna , Mateusz Mazelanik , Wojciech Wasilewski , Michał Parniak

Flying on board the James Webb Space Telescope (JWST) above Earth's turbulent atmosphere, the Aperture Masking Interferometer (AMI) on the NIRISS instrument is the highest-resolution infrared interferometer ever placed in space. However,…

Instrumentation and Methods for Astrophysics · Physics 2026-04-17 Max Charles , Louis Desdoigts , Benjamin Pope , Peter Tuthill , Dori Blakely , Doug Johnstone , Shrishmoy Ray , K. E. Saavik Ford , Barry McKernan , Anand Sivaramakrishnan

We develop an interpolation-based modeling framework for parameter-dependent partial differential equations arising in control, inverse problems, and uncertainty quantification. The solution is discretized in the physical domain using…

Numerical Analysis · Mathematics 2026-04-20 Erik Burman , Mats G. Larson , Karl Larsson , Jonatan Vallin

Pixel Value Ordering (PVO) holds an impressive property for high fidelity Reversible Data Hiding (RDH). In this paper, we introduce a dual-PVO (dPVO) for Prediction Error Expansion(PEE), and thereby develop a new RDH scheme to offer a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Md. Abdul Wahed , Hussain Nyeem

The concept for space interferometry from Polar or Equatorial Circular Medium Earth Orbits (the PECMEO concept) is a promising way to acquire the image of the "shadow" of the event horizon of Sagittarius A* with an angular resolution of…

Instrumentation and Methods for Astrophysics · Physics 2021-05-17 V. Kudriashov , M. Martin-Neira , I. Barat , P. Martin Iglesias , E. Daganzo-Eusebio , N. Alagha , V. Valenta

Single-particle electron cryomicroscopy is an essential tool for high-resolution 3D reconstruction of proteins and other biological macromolecules. An important challenge in cryo-EM is the reconstruction of non-rigid molecules with parts…

Image and Video Processing · Electrical Eng. & Systems 2021-05-31 Amit Moscovich , Amit Halevi , Joakim Andén , Amit Singer

Astronomical optical interferometers sample the Fourier transform of the intensity distribution of a source at the observation wavelength. Because of rapid perturbations caused by atmospheric turbulence, the phases of the complex Fourier…

Instrumentation and Methods for Astrophysics · Physics 2014-10-07 Antony Schutz , André Ferrari , David Mary , Férréol Soulez , Éric Thiébaut , Martin Vannier

A number of key scientific computing applications that are based upon tensor-product grid constructions, such as numerical weather prediction (NWP) and combustion simulations, require property-preserving interpolation. Essentially…

Numerical Analysis · Mathematics 2022-10-18 Timbwaoga A. J. Ouermi , Robert M. Kirby , Martin Berzins

We demonstrate the unprecedented capabilities of the Event Horizon Telescope (EHT) to image the innermost dark matter profile in the vicinity of the supermassive black hole at the center of the M87 radio galaxy. We present the first model…

Astrophysics of Galaxies · Physics 2018-01-31 Thomas Lacroix , Mansour Karami , Avery E. Broderick , Joseph Silk , Celine Boehm

Differentiable rendering has been widely adopted in computer graphics as a powerful approach to inverse problems, enabling efficient gradient-based optimization by differentiating the image formation process with respect to millions of…

In this work, we introduce the first framework for Motion-aware Event Suppression, which learns to filter events triggered by IMOs and ego-motion in real time. Our model jointly segments IMOs in the current event stream while predicting…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Roberto Pellerito , Nico Messikommer , Giovanni Cioffi , Marco Cannici , Davide Scaramuzza

Removing noise from images is a challenging and fundamental problem in the field of computer vision. Images captured by modern cameras are inevitably degraded by noise which limits the accuracy of any quantitative measurements on those…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Nikhil Verma , Deepkamal Kaur , Lydia Chau

Cryo-EM is a vital technique for determining 3D structure of biological molecules such as proteins and viruses. The cryo-EM reconstruction problem is challenging due to the high noise levels, the missing poses of particles, and the…

Quantitative Methods · Quantitative Biology 2024-06-05 Larissa de Ruijter , Gabriele Cesa

Zero-shot depth estimation (DE) models exhibit strong generalization performance as they are trained on large-scale datasets. However, existing models struggle with high-resolution images due to the discrepancy in image resolutions of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Byeongjun Kwon , Munchurl Kim

MICADO, the European Extremely Large Telescope first light imager will feature a dedicated high contrast imaging mode specifically designed for observing and characterizing exoplanets and circumstellar disks. Two sparse aperture masks (SAM)…

Instrumentation and Methods for Astrophysics · Physics 2024-09-02 Elsa Huby , Pierre Baudoz , Sylvestre Lacour , Manon Le Teuff , Yann Clénet , Richard Davies
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