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Point cloud registration is an important task in robotics and autonomous driving to estimate the ego-motion of the vehicle. Recent advances following the coarse-to-fine manner show promising potential in point cloud registration. However,…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Chenghao Shi , Xieyuanli Chen , Huimin Lu , Wenbang Deng , Junhao Xiao , Bin Dai

File-level defect prediction models traditionally rely on product and process metrics. While process metrics effectively complement product metrics, they often overlook commit size the number of files changed per commit despite its strong…

软件工程 · 计算机科学 2026-04-02 Amit Kumar , Ethari Hrishikesh , Sonali Agarwal

Developing fast regression models (surrogate/metamodels) from DEM data is key for practical industrial application to allow real-time evaluations. However, benchmarking different models is often overlooked in particle technology for…

Monocular Depth Estimation (MDE) enables spatial understanding, 3D reconstruction, and autonomous navigation, yet deep learning approaches often predict only relative depth without a consistent metric scale. This limitation reduces…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Jiuling Zhang

Point cloud registration involves determining a rigid transformation to align a source point cloud with a target point cloud. This alignment is fundamental in applications such as autonomous driving, robotics, and medical imaging, where…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yu-Xin Zhang , Jie Gui , Baosheng Yu , Xiaofeng Cong , Xin Gong , Wenbing Tao , Dacheng Tao

Online augmentation of an oblique aerial image sequence with structural information is an essential aspect in the process of 3D scene interpretation and analysis. One key aspect in this is the efficient dense image matching and depth…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Boitumelo Ruf , Thomas Pollok , Martin Weinmann

Nowadays, a posteriori error control methods have formed a new important part of the numerical analysis. Their purpose is to obtain computable error estimates in various norms and error indicators that show distributions of global and local…

数值分析 · 数学 2021-11-16 Johannes Kraus , Sergey Repin

Impact craters are formed as a result of continuous impacts on the surface of planetary bodies. This paper proposes a novel way of simultaneously utilizing optical images, digital elevation maps (DEMs), and slope maps for automatic crater…

图像与视频处理 · 电气工程与系统科学 2025-11-17 Atal Tewari , Vinay Verma , Pradeep Srivastava , Vikrant Jain , Nitin Khanna

Large-scale terrain generation remains a labor-intensive task in computer graphics. We introduce Geodiffussr, a flow-matching pipeline that synthesizes text-guided texture maps while strictly adhering to a supplied Digital Elevation Map…

图形学 · 计算机科学 2025-12-01 Tai Inui , Alexander Matsumura , Edgar Simo-Serra

Image registration is the process of transforming different sets of data into one coordinate system and is required for various remote sensing applications like change detection, image fusion, and other related areas. The effect of…

计算机视觉与模式识别 · 计算机科学 2013-03-28 Arun P. V. , Dr. S. K. Katiyar

Three-dimensional electron microscopy (3DEM) is an essential technique to investigate volumetric tissue ultra-structure. Due to technical limitations and high imaging costs, samples are often imaged anisotropically, where resolution in the…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Mohammad Khateri , Morteza Ghahremani , Alejandra Sierra , Jussi Tohka

The Differential Emission Measure (DEM) analysis is one of the most used diagnostic tools for solar and stellar coronae. Being an inverse problem, it has limitations due to the presence of random and systematic errors. We present in theses…

太阳与恒星天体物理 · 物理学 2013-06-17 Chloé Guennou , Frédéric Auchère , Elie Soubrié , Karine Bocchialini , Susanna Parenti

Formula recognition presents significant challenges due to the complicated structure and varied notation of mathematical expressions. Despite continuous advancements in formula recognition models, the evaluation metrics employed by these…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Bin Wang , Fan Wu , Linke Ouyang , Zhuangcheng Gu , Rui Zhang , Renqiu Xia , Bo Zhang , Conghui He

A Euclidean Distance Matrix (EDM) is a table of distance-square between points on a k- dimensional Euclidean space, with applications in many fields (e.g. engineering, geodesy, economics, genetics, biochemistry, psychology). A problem that…

最优化与控制 · 数学 2017-11-17 Nilson Moreira , Leonardo Duarte , Carlile Lavor , Cristiano Torezzan

In this paper, by modeling the point cloud registration task as a Markov decision process, we propose an end-to-end deep model embedded with the cross-entropy method (CEM) for unsupervised 3D registration. Our model consists of a sampling…

计算机视觉与模式识别 · 计算机科学 2021-09-16 Haobo Jiang , Yaqi Shen , Jin Xie , Jun Li , Jianjun Qian , Jian Yang

This paper presents a novel density estimation method for anomaly detection using density matrices (a powerful mathematical formalism from quantum mechanics) and Fourier features. The method can be seen as an efficient approximation of…

机器学习 · 计算机科学 2022-10-27 Oscar Bustos-Brinez , Joseph Gallego-Mejia , Fabio A. González

A common task in cryo-electron microscopy (cryo-EM) data processing is to compare three-dimensional density maps of macromolecules. In this paper, we propose an algorithm for aligning three-dimensional density maps that exploits common…

图像与视频处理 · 电气工程与系统科学 2023-02-27 Yael Harpaz , Yoel Shkolnisky

Advancements in optical metrology has enabled documentation of dense 3D point clouds of cultural heritage sites. For large scale and continuous digital documentation, processing of dense 3D point clouds becomes computationally cumbersome,…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Reza Maalek , Shahrokh Maalek

Purpose: To perform image registration and averaging of multiple free-breathing single-shot cardiac images, where the individual images may have a low signal-to-noise ratio (SNR). Methods: To address low SNR encountered in single-shot…

图像与视频处理 · 电气工程与系统科学 2025-05-26 Xuan Lei , Philip Schniter , Chong Chen , Rizwan Ahmad

Point cloud registration is a fundamental task in many applications such as localization, mapping, tracking, and reconstruction. Successful registration relies on extracting robust and discriminative geometric features. Though existing…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Quoc Vinh Lai Dang , Sarvar Hussain Nengroo , Hojun Jin