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Related papers: Generating contour lines using different elevation…

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Sketch-based terrain generation seeks to create realistic landscapes for virtual environments in various applications such as computer games, animation and virtual reality. Recently, deep learning based terrain generation has emerged,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Zexin Hu , Kun Hu , Clinton Mo , Lei Pan , Zhiyong Wang

Cross-View Geo-Localization (CVGL) estimates the location of a ground image by matching it to a geo-tagged aerial image in a database. Recent works achieve outstanding progress on CVGL benchmarks. However, existing methods still suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Xiaohan Zhang , Xingyu Li , Waqas Sultani , Chen Chen , Safwan Wshah

High-resolution digital elevation models (DEMs) of the lunar surface are essential for surface mobility planning, landing site characterization, and planetary science. The Orbiter High Resolution Camera (OHRC) on board Chandrayaan-2 has the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Aaranay Aadi , Jai Singla , Nitant Dube , Oleg Alexandrov

This paper addresses the problem of natural image segmentation by extracting information from a multi-layer array which is constructed based on color, gradient, and statistical properties of the local neighborhoods in an image. A Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2016-10-12 Fariba Zohrizadeh , Mohsen Kheirandishfard , Farhad Kamangar

Generative deep learning methods built upon Convolutional Neural Networks (CNNs) provide a great tool for predicting non-linear structure in cosmology. In this work we predict high resolution dark matter halos from large scale, low…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-25 David Schaurecker , Yin Li , Jeremy Tinker , Shirley Ho , Alexandre Refregier

One key vertical application that will be enabled by 6G is the automation of the processes with the increased use of robots. As a result, sensing and localization of the surrounding environment becomes a crucial factor for these robots to…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Madhushanka Padmal , Dileepa Marasinghe , Vijitha Isuru , Nalin Jayaweera , Samad Ali , Nandana Rajatheva

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

Procedural 3D Terrain generation has become a necessity in open world games, as it can provide unlimited content, through a functionally infinite number of different areas, for players to explore. In our approach, we use Generative…

Image and Video Processing · Electrical Eng. & Systems 2020-10-14 Emmanouil Panagiotou , Eleni Charou

Monocular depth estimation (MDE) with self-supervised training approaches struggles in low-texture areas, where photometric losses may lead to ambiguous depth predictions. To address this, we propose a novel technique that enhances spatial…

Image and Video Processing · Electrical Eng. & Systems 2026-05-14 Marwane Hariat , Antoine Manzanera , David Filliat

The rapid development of 3D acquisition technology has made it possible to obtain point clouds of real-world terrains. However, due to limitations in sensor acquisition technology or specific requirements, point clouds often contain defects…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yizhou Xie , Xiangning Xie , Yuran Wang , Yanci Zhang , Zejun Lv

Recognising individual trees within remotely sensed imagery has important applications in forest ecology and management. Several algorithms for tree delineation have been suggested, mostly based on locating local maxima or inverted basins…

Computer Vision and Pattern Recognition · Computer Science 2017-01-25 Juheon Lee , David Coomes , Carola-Bibiane Schonlieb , Xiaohao Cai , Jan Lellmann , Michele Dalponte , Yadvinder Malhi , Nathalie Butt , Mike Morecroft

Many head pose estimation (HPE) methods promise the ability to create full-range datasets, theoretically allowing the estimation of the rotation and positioning of the head from various angles. However, these methods are only accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Huei-Chung Hu , Xuyang Wu , Haowei Liu , Ting-Ruen Wei , Hsin-Tai Wu

The Coherence Length Diagram and the related maps have been shown to represent a useful tool for image analysis. Setting threshold parameters is one of the most important issues when dealing with such applications, as they affect both the…

Computer Vision and Pattern Recognition · Computer Science 2014-09-12 Roberto Marazzato , Amelia Carolina Sparavigna

We perform topological data analysis on the internal states of convolutional deep neural networks to develop an understanding of the computations that they perform. We apply this understanding to modify the computations so as to (a) speed…

Machine Learning · Computer Science 2018-11-06 Gunnar Carlsson , Rickard Brüel Gabrielsson

Digital image comparison and matching brings many advantages over the traditional subjective human comparison, including speed and reproducibility. Despite the existence of an abundance of image difference metrics, most of them are not…

Materials Science · Physics 2023-06-07 Manuel Ederer , Stefan Löffler

Approximate distance estimation can be used to determine fundamental landscape properties including complexity and openness. We show that variations in the skyline of landscape photos can be used to estimate distances to trees on the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Laura Martinez-Sanchez , Daniele Borio , Raphaël d'Andrimont , Marijn van der Velde

This work proposes a method for underwater image enhancement using the principle of histogram equalization. Since underwater images have a global strong dominant colour, their colourfulness and contrast are often degraded. Before applying…

Image and Video Processing · Electrical Eng. & Systems 2021-09-21 Anushka Yadav , Mayank Upadhyay , Ghanapriya Singh

Generative models have recently gained increasing attention in image generation and editing tasks. However, they often lack a direct connection to object geometry, which is crucial in sensitive domains such as computational anatomy,…

Graphics · Computer Science 2025-04-14 Nian Wu , Nivetha Jayakumar , Jiarui Xing , Miaomiao Zhang

Automatic generation of level maps is a popular form of automatic content generation. In this study, a recently developed technique employing the {\em do what's possible} representation is used to create open-ended level maps. Generation of…

Artificial Intelligence · Computer Science 2019-05-24 Daniel Ashlock , Christoph Salge

Geographic information systems (GIS) now provide accurate maps of terrain, roads, waterways, and building footprints and heights. Aircraft, particularly small unmanned aircraft systems, can exploit additional information such as building…

Robotics · Computer Science 2018-02-20 Jeremy D. Castagno , Ella M. Atkins