English
Related papers

Related papers: Small simple impact craters

200 papers

Digital images from crystals, as projected from the third spatial dimension and recorded in atomic resolution with any kind of real-world microscope, feature necessarily broken symmetries of the translation-periodicity-restricted Euclidean…

Materials Science · Physics 2025-11-25 Tyler Bortel , Peter Moeck

Radar Cross Section measurement data is often analyzed using Inverse Synthetic Aperture Radar images. This paper compares backprojection and iterative smooth reweighted $\ell_1$-minimization as methods to analyze radar cross section…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Christer Larsson

Circular Synthetic Aperture Sonar (CSAS) provides a 360{\deg} azimuth view of the seabed, surpassing the limited aperture and mono-view image of conventional side-scan SAS. This makes CSAS a valuable tool for target recognition in mine…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Yann Le Gall , Nicolas Burlet , Mathieu Simon , Fabien Novella , Samantha Dugelay , Jean-Philippe Malkasse

Satellite imaging is a critical technology for monitoring and responding to natural disasters such as flooding. Despite the capabilities of modern satellites, there is still much to be desired from the perspective of first response…

Image and Video Processing · Electrical Eng. & Systems 2020-01-17 Gonzalo Mateo-Garcia , Silviu Oprea , Lewis Smith , Josh Veitch-Michaelis , Guy Schumann , Yarin Gal , Atılım Güneş Baydin , Dietmar Backes

Recent results from high-resolution solar granulation observations indicate the existence of a population of small granular cells that are smaller than 600 km in diameter. These small convective cells strongly contribute to the total area…

Solar and Stellar Astrophysics · Physics 2015-05-05 B. Lemmerer , D. Utz , A. Hanslmeier , A. Veronig , S. Thonhofer , H. Grimm-Strele , R. Kariyappa

A satellite image is a remotely sensed image data, where each pixel represents a specific location on earth. The pixel value recorded is the reflection radiation from the earth's surface at that location. Multispectral images are those that…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Purbarag Pathak Choudhury , Ujjal Kr Dutta , Dhruba Kr Bhattacharyya

3D modeling from satellite imagery is essential in areas of environmental science, urban planning, agriculture, and disaster response. However, traditional 3D modeling techniques face unique challenges in the remote sensing context,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Nikhil Behari , Akshat Dave , Kushagra Tiwary , William Yang , Ramesh Raskar

By taking into account the properties and limitations of the human visual system, images can be more efficiently compressed, colors more accurately reproduced, prints better rendered. To show all these advantages in this paper new adapted…

Computer Vision and Pattern Recognition · Computer Science 2015-03-13 Jaswinder Singh Dilawari , Ravinder Khanna

Large aperture ground based solar telescopes allow the solar atmosphere to be resolved in unprecedented detail. However, observations are limited by Earths turbulent atmosphere, requiring post image corrections. Current reconstruction…

Solar and Stellar Astrophysics · Physics 2025-06-06 Christoph Schirninger , Robert Jarolim , Astrid M. Veronig , Christoph Kuckein

Small-angle X-ray and neutron scattering experiments are used in many fields of the life sciences and condensed matter research to obtain answers to questions about the shape and size of nano-sized structures, typically in the range of 1 to…

Data Analysis, Statistics and Probability · Physics 2015-06-10 Ingo Breßler , Joachim Kohlbrecher , Andreas F. Thünemann

In recent years, the underwater image formation model has found extensive use in the generation of synthetic underwater data. Although many approaches focus on scenes primarily affected by discoloration, they often overlook the model's…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Vasiliki Ismiroglou , Malte Pedersen , Stefan H. Bengtson , Andreas Aakerberg , Thomas B. Moeslund

A recent announcement of some pyramids, buried under the sand of Egypt and discovered by means of infrared remote sensing, renewed the interest on the archaeological surveys aided by satellites. Here we propose the use of images, obtained…

Geophysics · Physics 2011-06-03 Amelia Carolina Sparavigna

Satellite images are an extremely valuable resource in the aftermath of natural disasters such as hurricanes and tsunamis where they can be used for risk assessment and disaster management. In order to provide timely and actionable…

Image and Video Processing · Electrical Eng. & Systems 2020-06-11 Ananya Gupta , Simon Watson , Hujun Yin

While foundation models drive steady progress in image segmentation and diffusion algorithms compose always more realistic images, the seemingly simple problem of identifying recurrent patterns in a collection of images remains very much…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Zeynep Sonat Baltacı , Romain Loiseau , Mathieu Aubry

In this paper orthogonal multifilters for astronomical image processing are presented. We obtained new orthogonal multifilters based on the orthogonal wavelet of Haar and Daubechies. Recently, multiwavelets have been introduced as a more…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Vasil Kolev

A pseudoscopic (inverted depth) image made with spiral diffracting elements intermediated by a pinhole is explained by its symmetry properties. The whole process is made under common white light illumination and allows the projection of…

Optics · Physics 2009-11-13 Jose J. Lunazzi , Noemi I. R. Rivera , Daniel S. F. Magalhaes

Scattering resonances play a crucial role in understanding wave behavior in various physical systems. While significant progress has been made in analyzing resonances in high-contrast and nonlinear media, a general characterization of…

Optics · Physics 2024-10-29 Taoufik Meklachi

We study the wave optics features of gravitational microlensing by a binary lens composed of a planet and a parent star. In this system, the source star near the caustic line produces a pair of images in which they can play the role of…

Earth and Planetary Astrophysics · Physics 2015-06-05 Ahmad Mehrabi , Sohrab Rahvar

Singular Value Decomposition (SVD) has recently emerged as a new paradigm for processing different types of images. SVD is an attractive algebraic transform for image processing applications. The paper proposes an experimental survey for…

Computer Vision and Pattern Recognition · Computer Science 2012-12-03 Rowayda A. Sadek

Impact crater cataloging is an important tool in the study of the geological history of planetary bodies in the Solar System, including dating of surface features and geologic mapping of surface processes. Catalogs of impact craters have…

Earth and Planetary Astrophysics · Physics 2019-04-18 Christopher Lee