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Topographic models are essential for characterizing planetary surfaces and for inferring underlying geological processes. Nevertheless, meter-scale topographic data remain limited, which constrains detailed planetary investigations, even…

Earth and Planetary Astrophysics · Physics 2026-01-15 Hao Chen , Philipp Gläser , Konrad Willner , Jürgen Oberst

Recent times have seen an increase in demand of high quality Digital Elevation Models (DEMs) for the lunar surface, because they are highly important for studying the moon and planning future missions. However, there is an evident lack of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Aaranay Aadi , Jai Gopal Singla , Amitabh , Nitant Dube , Praveen Kumar Shukla , Vijaypal Singh Dhaka

Terrain, representing features of an earth surface, plays a crucial role in many applications such as simulations, route planning, analysis of surface dynamics, computer graphics-based games, entertainment, films, to name a few. With recent…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Ashish Kubade , Diptiben Patel , Avinash Sharma , K. S. Rajan

Synthetic aperture radar (SAR) interferometry (InSAR) is performed using repeat-pass geometry. InSAR technique is used to estimate the topographic reconstruction of the earth surface. The main problem of the range-Doppler focusing technique…

Signal Processing · Electrical Eng. & Systems 2018-03-15 Gabriele Costante , Thomas A. Ciarfuglia , Filippo Biondi

Technologies such as aerial photogrammetry allow production of 3D topographic data including complex environments such as urban areas. Therefore, it is possible to create High Resolution (HR) Digital Elevation Models (DEM) incorporating…

Computational Engineering, Finance, and Science · Computer Science 2016-04-25 M Abily , O Delestre , P Gourbesville , N Bertrand , C. -M Duluc , Y Richet

Digital Surface Models (DSM) offer a wealth of height information for understanding the Earth's surface as well as monitoring the existence or change in natural and man-made structures. Classical height estimation requires multi-view…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Isaac Corley , Peyman Najafirad

A procedure for constructing a digital elevation model (DEM) of the northern part of the Volga-Akhtuba interfluve is described. The basis of our DEM is the elevation matrix of Shuttle Radar Topography Mission (SRTM) for which we carried out…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Anna Klikunova , Alexander Khoperskov

Digital Elevation Model (DEM), while providing a bare earth look, is heavily used in many applications including construction modeling, visualization, and GIS. Their registration techniques have not been explored much. Methods like…

Computer Vision and Pattern Recognition · Computer Science 2014-06-02 Suma Dawn , Vikas Saxena , Bhu Dev Sharma

Single-image HDR reconstruction aims to recover high dynamic range radiance from a single low dynamic range (LDR) input, but remains highly ill-posed due to detail saturation in over-exposed regions and noise amplification in under-exposed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Aoyu Liu , Zhen Liu , Ziyi Wang , Dian Chen , Bing Zeng , Shuaicheng Liu

Digital Elevation Model (DEM) is an essential aspect in the remote sensing (RS) domain to analyze various applications related to surface elevations. Here, we address the generation of high-resolution (HR) DEMs using HR multi-spectral (MX)…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Subhajit Paul , Ashutosh Gupta

The increasing availability of hydrological and physiographic spatiotemporal data has boosted machine learning's role in rapid flood mapping. Yet, data scarcity, especially high-resolution DEMs, challenges regions with limited access. This…

Computational Engineering, Finance, and Science · Computer Science 2025-08-15 Mohammad Fereshtehpour , Mostafa Esmaeilzadeh , Reza Saleh Alipour , Steven J. Burian

Building 3D reconstruction from remote sensing images has a wide range of applications in smart cities, photogrammetry and other fields. Methods for automatic 3D urban building modeling typically employ multi-view images as input to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Yongqiang Mao , Kaiqiang Chen , Liangjin Zhao , Wei Chen , Deke Tang , Wenjie Liu , Zhirui Wang , Wenhui Diao , Xian Sun , Kun Fu

Recently, a new global Digital Elevation Model (DEM) with pixel spacing of 0.4 arcseconds and relative height accuracy finer than 2m for flat areas (slopes < 20%) and better than 4m for rugged terrain (slopes > 20%) was created through the…

Image and Video Processing · Electrical Eng. & Systems 2018-10-29 Hossein Bagheri , Michael Schmitt , Xiao Xiang Zhu

In terrain mapping, there are so many ways to measure and estimate the terrain measurements like contouring, vertical profiling, hill shading, hypsometric tinting, perspective view, etc. Here in this paper we are using the contouring…

Other Computer Science · Computer Science 2011-03-28 P. S. Hiremath , B. G. Kodge

The accuracy of digital elevation models (DEMs) in urban areas is influenced by numerous factors including land cover and terrain irregularities. Moreover, building artifacts in global DEMs cause artificial blocking of surface flow…

Machine Learning · Computer Science 2023-08-15 Chukwuma Okolie , Jon Mills , Adedayo Adeleke , Julian Smit

Single-view depth estimation (SVDE) plays a crucial role in scene understanding for AR applications, 3D modeling, and robotics, providing the geometry of a scene based on a single image. Recent works have shown that a successful solution…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Mikhail Romanov , Nikolay Patatkin , Anna Vorontsova , Sergey Nikolenko , Anton Konushin , Dmitry Senyushkin

Despite achieving remarkable progress in recent years, single-image super-resolution methods are developed with several limitations. Specifically, they are trained on fixed content domains with certain degradations (whether synthetic or…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Xiaoyu Lin , Baran Ozaydin , Vidit Vidit , Majed El Helou , Sabine Süsstrunk

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

Monocular depth estimation (MDE) aims to infer per-pixel depth from a single RGB image. While diffusion models have advanced MDE with impressive generalization, they often exhibit limitations in accurately reconstructing far-range regions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Mingxia Zhan , Li Zhang , Yingjie Wang , Xiaomeng Chu , Beibei Wang , Yanyong Zhang

Estimating the heightmaps of buildings and vegetation in single remotely sensed images is a challenging problem. Effective solutions to this problem can comprise the stepping stone for solving complex and demanding problems that require 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Savvas Karatsiolis , Andreas Kamilaris