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Underwater visual localization remains challenging due to wavelength-dependent attenuation, poor texture, and non-Gaussian sensor noise. We introduce MARVO, a physics-aware, learning-integrated odometry framework that fuses underwater image…

Robotics · Computer Science 2025-12-01 Sacchin Sundar , Atman Kikani , Aaliya Alam , Sumukh Shrote , A. Nayeemulla Khan , A. Shahina

In the field of multi-sensor fusion for simultaneous localization and mapping (SLAM), monocular cameras and IMUs are widely used to build simple and effective visual-inertial systems. However, limited research has explored the integration…

The topology and dynamics of the solar chromosphere are greatly affected by the presence of magnetic fields. The magnetic field can be inferred by analyzing polarimetric observations of spectral lines. Polarimetric signals induced by…

Solar and Stellar Astrophysics · Physics 2019-09-11 C. J. Díaz Baso , J. de la Cruz Rodríguez , S. Danilovic

We present ViSta, a Visibility Stacking method to combine interferometric observations in the Fourier domain at radio to sub-millimeter wavelengths for galaxies. The goal of our method is to maximize the exploitation of available archival…

In this paper, we present a novel robust framework for low-level vision tasks, including denoising, object removal, frame interpolation, and super-resolution, that does not require any external training data corpus. Our proposed approach…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Gaurav Shrivastava , Ser-Nam Lim , Abhinav Shrivastava

Many microscopy applications are limited by the total amount of usable light and are consequently challenged by the resulting levels of noise in the acquired images. This problem is often addressed via (supervised) deep learning based…

Image and Video Processing · Electrical Eng. & Systems 2020-08-20 Anna S. Goncharova , Alf Honigmann , Florian Jug , Alexander Krull

In the past years modern mathematical methods for image analysis have led to a revolution in many fields, from computer vision to scientific imaging. However, some recently developed image processing techniques successfully exploited by…

Instrumentation and Methods for Astrophysics · Physics 2015-01-19 Marco Castellano , Daniele Ottaviani , Adriano Fontana , Emiliano Merlin , Stefano Pilo , Maurizio Falcone

In images collected by astronomical surveys, stars and galaxies often overlap visually. Deblending is the task of distinguishing and characterizing individual light sources in survey images. We propose StarNet, a Bayesian method to deblend…

Instrumentation and Methods for Astrophysics · Physics 2023-08-30 Runjing Liu , Jon D. McAuliffe , Jeffrey Regier

Visual restoration and recognition are traditionally addressed in pipeline fashion, i.e. denoising followed by classification. Instead, observing correlations between the two tasks, for example clearer image will lead to better…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

We investigate the ability of machine learning to infer the virial mass ($M_{\rm vir}$) and the scale radius ($r_{\rm s}$) of galaxy clusters from their observables. Using the Uchuu--UniverseMachine galaxy catalog at $z=0.093$, we generate…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-20 Hirobumi Tominaga , Asuka Nakamura , Tomoaki Ishiyama , Mohamed H. Abdullah

Deep learning methods have been successfully used in various computer vision tasks. Inspired by that success, deep learning has been explored in magnetic resonance imaging (MRI) reconstruction. In particular, integrating deep learning and…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Peizhou Huang , Chaoyi Zhang , Xiaoliang Zhang , Xiaojuan Li , Liang Dong , Leslie Ying

Staging of liver fibrosis is important in the diagnosis and treatment planning of patients suffering from liver diseases. Current deep learning-based methods using abdominal magnetic resonance imaging (MRI) usually take a sub-region of the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Zheyao Gao , Yuanye Liu , Fuping Wu , NanNan Shi , Yuxin Shi , Xiahai Zhuang

Fluoroscopy is an imaging technique that uses X-ray to obtain a real-time 2D video of the interior of a 3D object, helping surgeons to observe pathological structures and tissue functions especially during intervention. However, it suffers…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Ruizhou Liu , Qiang Ma , Zhiwei Cheng , Yuanyuan Lyu , Jianji Wang , S. Kevin Zhou

A prior map serves as a foundational reference for localization in context-aware applications such as augmented reality (AR). Providing valuable contextual information about the environment, the prior map is a vital tool for mitigating…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Yanyu Zhang , Dongming Wang , Jie Xu , Mengyuan Liu , Pengxiang Zhu , Wei Ren

Ground-based solar image restoration is a computationally expensive procedure that involves nonlinear optimization techniques. The presence of atmospheric turbulence produces perturbations in individual images that make it necessary to…

Instrumentation and Methods for Astrophysics · Physics 2023-07-26 A. Asensio Ramos , S. Esteban Pozuelo , C. Kuckein

Based on the prior O1-O2 observing runs, about 30% of the data collected by Advanced LIGO and Virgo in the next observing runs are expected to be single-interferometer data, i.e., they will be collected at times when only one detector in…

Instrumentation and Methods for Astrophysics · Physics 2020-06-14 Marco Cavaglia , Sergio Gaudio , Travis Hansen , Kai Staats , Marek Szczepanczyk , Michele Zanolin

Rotation estimation of high precision from an RGB-D object observation is a huge challenge in 6D object pose estimation, due to the difficulty of learning in the non-linear space of SO(3). In this paper, we propose a novel rotation…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Jiehong Lin , Zewei Wei , Yabin Zhang , Kui Jia

The technology for Visual Odometry (VO) that estimates the position and orientation of the moving object through analyzing the image sequences captured by on-board cameras, has been well investigated with the rising interest in autonomous…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Ran Zhu , Mingkun Yang , Wang Liu , Rujun Song , Bo Yan , Zhuoling Xiao

Image denoising is a fundamental challenge in computer vision, with applications in photography and medical imaging. While deep learning-based methods have shown remarkable success, their reliance on specific noise distributions limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Dongjin Kim , Jaekyun Ko , Muhammad Kashif Ali , Tae Hyun Kim

We developed the tool GEM-FIND that allows to constrain the morphology and brightness distribution of objects. The software fits geometrical models to spectrally dispersed interferometric visibility measurements in the N-band using the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 D. Klotz , S. Sacuto , C. Paladini , J. Hron , G. Wachter