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Representation learning of spatial and geographic data is a rapidly developing field which allows for similarity detection between areas and high-quality inference using deep neural networks. Past approaches however concentrated on…

Machine Learning · Computer Science 2021-11-02 Szymon Woźniak , Piotr Szymański

Precise boundary annotations of image regions can be crucial for downstream applications which rely on region-class semantics. Some document collections contain densely laid out, highly irregular and overlapping multi-class region instances…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Abhishek Trivedi , Ravi Kiran Sarvadevabhatla

It is now well known that Markov random fields (MRFs) are particularly effective for modeling image priors in low-level vision. Recent years have seen the emergence of two main approaches for learning the parameters in MRFs: (1)…

Computer Vision and Pattern Recognition · Computer Science 2014-01-17 Yunjin Chen , Thomas Pock , René Ranftl , Horst Bischof

Noisy labels can significantly affect the performance of deep neural networks (DNNs). In medical image segmentation tasks, annotations are error-prone due to the high demand in annotation time and in the annotators' expertise. Existing…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Jiachen Yao , Yikai Zhang , Songzhu Zheng , Mayank Goswami , Prateek Prasanna , Chao Chen

Existing building recognition methods, exemplified by BRAILS, utilize supervised learning to extract information from satellite and street-view images for classification and segmentation. However, each task module requires human-annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Fei Pan , Sangryul Jeon , Brian Wang , Frank Mckenna , Stella X. Yu

Precise Soil Moisture (SM) assessment is essential in agriculture. By understanding the level of SM, we can improve yield irrigation scheduling which significantly impacts food production and other needs of the global population. The…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Muhammad Riaz Hasib Hossain , Muhammad Ashad Kabir

OpenStreetMap is a unique source of openly available worldwide map data, increasingly adopted in real-world applications. Vandalism detection in OpenStreetMap is critical and remarkably challenging due to the large scale of the dataset, the…

Machine Learning · Computer Science 2022-03-22 Nicolas Tempelmeier , Elena Demidova

Given a sequence of possibly sparse and noisy GPS traces and a map of the road network, map matching algorithms can infer the most accurate trajectory on the road network. However, if the road network is wrong (for example due to missing or…

Optimization and Control · Mathematics 2019-09-09 James Murphy , Yuanyuan Pao , Albert Yuen

In this paper, we introduce a collaborative training algorithm of balanced random forests with convolutional neural networks for domain adaptation tasks. In real scenarios, most domain adaptation algorithms face the challenges from noisy,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Jongbin Ryu , Jiun Bae , Jongwoo Lim

Markov Random Fields (MRFs), a formulation widely used in generative image modeling, have long been plagued by the lack of expressive power. This issue is primarily due to the fact that conventional MRFs formulations tend to use simplistic…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Zhirong Wu , Dahua Lin , Xiaoou Tang

Dense disparities among multiple views is essential for estimating the 3D architecture of a scene based on the geometrical relationship among the scene and the views or cameras. Scenes with larger extents of heterogeneous textures,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Hanieh Shabanian , Madhusudhanan Balasubramanian

The neighborhood enrichment test is used to quantify spatial enrichment and depletion between spatial points with categorical labels, which is a common data type in spatial omics. Traditionally, this test relies on a permutation-based Monte…

Quantitative Methods · Quantitative Biology 2025-06-24 Axel Andersson , Hanna Nyström

We examine the challenge of estimating the location of a single ground-level image in the absence of GPS or other location metadata. Currently, geolocation systems are evaluated by measuring the Great Circle Distance between the predicted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Michael J. Bianco , David Eigen , Michael Gormish

Path planning is a classic problem for autonomous robots. To ensure safe and efficient point-to-point navigation an appropriate algorithm should be chosen keeping the robot's dimensions and its classification in mind. Autonomous robots use…

Robotics · Computer Science 2023-05-01 Alka Choudhary

Visual Place Recognition (VPR) in indoor environments is beneficial to humans and robots for better localization and navigation. It is challenging due to appearance changes at various frequencies, and difficulties of obtaining ground truth…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Diwei Sheng , Anbang Yang , John-Ross Rizzo , Chen Feng

The deployment of autonomous mobile robots is predicated on the availability of environmental maps, yet conventional generation via SLAM (Simultaneous Localization and Mapping) suffers from significant limitations in time, labor, and…

Robotics · Computer Science 2026-04-01 Jiajie Zhang , Shenrui Wu , Xu Ma , Sören Schwertfeger

Digital image inpainting is an interpolation problem, inferring the content in the missing (unknown) region to agree with the known region data such that the interpolated result fulfills some prior knowledge. Low-rank and nonlocal…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Shenghai Liao , Xuya Liu , Ruyi Han , Shujun Fu , Yuanfeng Zhou , Yuliang Li

A prior global topological map (e.g., the OpenStreetMap, OSM) can boost the performance of autonomous mapping by a ground mobile robot. However, the prior map is usually incomplete due to lacking labeling in partial paths. To solve this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Kaijie Yin , Tian Gao , Hui Kong

Environment annotations are essential for the success of many out-of-distribution (OOD) generalization methods. Unfortunately, these are costly to obtain and often limited by human annotators' biases. To achieve robust generalization, it is…

Machine Learning · Computer Science 2024-07-22 Mohammad Pezeshki , Diane Bouchacourt , Mark Ibrahim , Nicolas Ballas , Pascal Vincent , David Lopez-Paz

In urban environments, global navigation satellite system (GNSS) positioning is often compromised by signal blockages and multipath effects caused by buildings, leading to significant positioning errors. To address this issue, this study…

Signal Processing · Electrical Eng. & Systems 2025-07-18 Sanghyun Kim , Jiwon Seo
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