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Existing visual localization methods are typically either 2D image-based, which are easy to build and maintain but limited in effective geometric reasoning, or 3D structure-based, which achieve high accuracy but require a centralized…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Xudong Jiang , Fangjinhua Wang , Silvano Galliani , Christoph Vogel , Marc Pollefeys

Dimensionality reduction can be applied to hyperspectral images so that the most useful data can be extracted and processed more quickly. This is critical in any situation in which data volume exceeds the capacity of the computational…

图像与视频处理 · 电气工程与系统科学 2024-02-27 Daniela Lupu , Joseph L. Garrett , Tor Arne Johansen , Milica Orlandic , Ion Necoara

Surface normal integration is a fundamental problem in computer vision, dealing with the objective of reconstructing a surface from its corresponding normal map. Existing approaches require an iterative global optimization to jointly…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Francesco Milano , Jen Jen Chung , Lionel Ott , Roland Siegwart

A non-vector-based dissimilarity measure is proposed by combining vector-based distance metrics and set operations. This proposed compound dissimilarity measure (CDM) is applicable to quantify similarity of collections of attribute/feature…

应用统计 · 统计学 2018-06-27 Caifa Zhou , Andreas Wieser

In this investigation we focus on the problem of mapping the ground reflectivity with multiple laser scanners mounted on mobile robots/vehicles. The problem originates because regions of the ground become populated with a varying number of…

计算机视觉与模式识别 · 计算机科学 2017-03-10 Juan Castorena

Multidimensional scaling (MDS) is a dimensionality reduction tool used for information analysis, data visualization and manifold learning. Most MDS procedures embed data points in low-dimensional Euclidean (flat) domains, such that…

计算几何 · 计算机科学 2018-10-23 Gil Shamai , Michael Zibulevsky , Ron Kimmel

The aim of this work is to develop a systematic manner to close overdetermined systems arising from conformal Killing tensors (CKT). The research performs this action for 1-tensor and 2-tensors. This research makes it possible to develop a…

微分几何 · 数学 2007-05-23 Thomas Branson , Alfredo Villanueva

In this study, we present a large-scale earth surface reconstruction pipeline for linear-array charge-coupled device (CCD) satellite imagery. While mainstream satellite image-based reconstruction approaches perform exceptionally well, the…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Hong Danyang , Yu Anzhu , Ji Song , Cao Xuefeng , Quan Yujun , Guo Wenyue , Qiu Chunping

This paper proposed a new methodology for machine learning in 2-dimensional space (2-D ML) in inline coordinates. It is a full machine learning approach that does not require to deal with n-dimensional data in n-dimensional space. It allows…

机器学习 · 计算机科学 2021-07-06 Boris Kovalerchuk , Hoang Phan

Machine learning can provide deep insights into data, allowing machines to make high-quality predictions and having been widely used in real-world applications, such as text mining, visual classification, and recommender systems. However,…

机器学习 · 计算机科学 2020-08-11 Meng Wang , Weijie Fu , Xiangnan He , Shijie Hao , Xindong Wu

A key aspect of the precision of a mobile robots localization is the quality and aptness of the map it is using. A variety of mapping approaches are available that can be employed to create such maps with varying degrees of effort, hardware…

机器人学 · 计算机科学 2023-04-25 Justin Ziegenbein , Manuel Schrick , Marko Thiel , Johannes Hinckeldeyn , Jochen Kreutzfeldt

Most current single image camera calibration methods rely on specific image features or user input, and cannot be applied to natural images captured in uncontrolled settings. We propose directly inferring camera calibration parameters from…

计算机视觉与模式识别 · 计算机科学 2018-04-24 Yannick Hold-Geoffroy , Kalyan Sunkavalli , Jonathan Eisenmann , Matt Fisher , Emiliano Gambaretto , Sunil Hadap , Jean-François Lalonde

The Multi-Modal Large Language Model (MLLM) refers to an extension of the Large Language Model (LLM) equipped with the capability to receive and infer multi-modal data. Spatial awareness stands as one of the crucial abilities of MLLM,…

人工智能 · 计算机科学 2023-11-02 Yongqiang Zhao , Zhenyu Li , Zhi Jin , Feng Zhang , Haiyan Zhao , Chengfeng Dou , Zhengwei Tao , Xinhai Xu , Donghong Liu

Vision-based motion estimation and 3D reconstruction, which have numerous applications (e.g., autonomous driving, navigation systems for airborne devices and augmented reality) are receiving significant research attention. To increase the…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Vladyslav Usenko , Nikolaus Demmel , Daniel Cremers

The evaluation of modelled or satellite-derived soil moisture (SM) estimates is usually dependent on comparisons against in-situ SM measurements. However, the inherent mismatch in spatial support (i.e., scale) necessitates a cautious…

机器学习 · 计算机科学 2024-04-09 Yi Yu , Brendan P. Malone , Luigi J. Renzullo

We describe MPSE: a Multi-Perspective Simultaneous Embedding method for visualizing high-dimensional data, based on multiple pairwise distances between the data points. Specifically, MPSE computes positions for the points in 3D and provides…

数据结构与算法 · 计算机科学 2020-08-07 Md Iqbal Hossain , Vahan Huroyan , Stephen Kobourov , Raymundo Navarrete

As computer vision algorithms increase in capability, their applications in clinical systems will become more pervasive. These applications include: diagnostics, such as colonoscopy and bronchoscopy; guiding biopsies, minimally invasive…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Adam Schmidt , Omid Mohareri , Simon DiMaio , Michael C. Yip , Septimiu E. Salcudean

Vector-mode geospatial data -- points, lines, and polygons -- must be encoded into an appropriate form in order to be used with traditional machine learning and artificial intelligence models. Encoding methods attempt to represent a given…

机器学习 · 计算机科学 2025-06-06 John Collins

Measurements of clustering in large-scale imaging surveys that make use of photometric redshifts depend on the uncertainties in the redshift determination. We have used light-cone simulations to show how the deprojection method successfully…

The solution to fine tuning is one of the principal motivations for supersymmetry. However constraints on the parameter space of the Minimal Supersymmetric Standard Model (MSSM) suggest it may also require fine tuning (although to a much…

高能物理 - 唯象学 · 物理学 2007-10-15 Peter Athron , D. J. Miller