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Mountainous terrain is increasingly being measured and mapped by airplane-based LiDAR (Light Detection and Ranging) techniques, but the accuracy of these measurements in such topographically variable terrain is not well understood. For this…

地球物理 · 物理学 2025-11-18 Eric Gilbertson , Richard Hensley , Andrew Kirmse , Kyle Bretherton , Kathryn Stanchak

Characterising the noise of an airborne electromagnetic (AEM) system is critical in correctly imaging the earth's subsurface conductivity. Deterministic and probabilistic geophysical inversion algorithms require foreknowledge of the system…

地球物理 · 物理学 2026-05-06 Tim Scarr , Anandaroop Ray , Ross C. Brodie

In the last couple of years, Model Driven Engineering (MDE) gained a prominent role in the context of software engineering. In the MDE paradigm, models are considered first level artifacts which are iteratively developed by teams of…

软件工程 · 计算机科学 2014-08-26 Pit Pietsch , Klaus Müller , Bernhard Rumpe

Multiview point cloud registration is a fundamental task for constructing globally consistent 3D models. Existing approaches typically rely on feature extraction and data association across multiple point clouds; however, these processes…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Yiran Zhou , Yingyu Wang , Shoudong Huang , Liang Zhao

Additive manufacturing (AM) is an emerging digital manufacturing technology to produce complex and freeform objects through a layer-wise deposition. High deposition rate robotic AM (HDRRAM) processes, such as cold spray additive…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Subash Gautam , Alejandro Vargas-Uscategui , Peter King , Hans Lohr , Alireza Bab-Hadiashar , Ivan Cole , Ehsan Asadi

Depth perception models are typically trained on non-interactive datasets with predefined camera trajectories. However, this often introduces systematic biases into the learning process correlated to specific camera paths chosen during data…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Marvin Chancán , Alex Wong , Ian Abraham

Image registration is a fundamental medical image analysis task. Ideally, registration should focus on aligning semantically corresponding voxels, i.e., the same anatomical locations. However, existing methods often optimize similarity…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Lin Tian , Zi Li , Fengze Liu , Xiaoyu Bai , Jia Ge , Le Lu , Marc Niethammer , Xianghua Ye , Ke Yan , Daikai Jin

Deformable medical image registration is a fundamental task in medical image analysis with applications in disease diagnosis, treatment planning, and image-guided interventions. Despite significant advances in deep learning based…

机器学习 · 计算机科学 2026-02-10 Muhammad Zafar Iqbal , Ghazanfar Farooq Siddiqui , Anwar Ul Haq , Imran Razzak

In this review, automatic defect inspection algorithms that analyze Scanning Electron Microscopy (SEM) images for Semiconductor Manufacturing (SM) are identified, categorized, and discussed. This is a topic of critical importance for the SM…

图像与视频处理 · 电气工程与系统科学 2025-06-02 Enrique Dehaerne , Bappaditya Dey , Victor Blanco , Jesse Davis

Restoring images degraded by adverse weather remains a significant challenge due to the highly non-uniform and spatially heterogeneous nature of weather-induced artifacts, e.g., fine-grained rain streaks versus widespread haze. Accurately…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Hainuo Wang , Qiming Hu , Xiaojie Guo

The performance of optical character recognition (OCR) heavily relies on document image quality, which is crucial for automatic document processing and document intelligence. However, most existing document enhancement methods require…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Jiaxin Zhang , Joy Rimchala , Lalla Mouatadid , Kamalika Das , Sricharan Kumar

Remotely sensing the spatial distribution of exposed coal (EC) is significant for understanding the footprints of mining activities. However, widely applicable methods for the identification of EC surfaces remain inadequate because the…

图像与视频处理 · 电气工程与系统科学 2024-03-13 Zhen Yang , Jianyong Zhang , Yanchuang Zhao

Google Earth (GE) has become a powerful tool for geological, geophysical and geographical modeling; yet GE can be accepted to acquire elevation data of terrain. In this paper, we present a real study case of building the discrete surface…

图形学 · 计算机科学 2013-09-02 Gang Mei , John C. Tipper , Nengxiong Xu

Point cloud registration refers to the problem of finding the rigid transformation that aligns two given point clouds, and is crucial for many applications in robotics and computer vision. The main insight of this paper is that we can…

机器人学 · 计算机科学 2025-02-04 Richard Cheng , Chavdar Papozov , Dan Helmick , Mark Tjersland

In this work, discrete element method (DEM) simulations coupled with machine learning are used to study the process of dry impregnation. Our results show that the particle bed contains two regimes. Regime 1 shows smaller inclination angles…

We investigate a variation of the 3D registration problem, named multi-model 3D registration. In the multi-model registration problem, we are given two point clouds picturing a set of objects at different poses (and possibly including…

机器人学 · 计算机科学 2024-02-19 David Jin , Sushrut Karmalkar , Harry Zhang , Luca Carlone

The recently developed level-set-DEM is able to seamlessly handle arbitrarily shaped grains and their contacts through a discrete level-set representation of grains' volume and a node-based discretization of their bounding surfaces.…

数值分析 · 数学 2022-10-03 Shai Feldfogel , Konstantinos Karapiperis , Jose Andrade , David S. Kammer

As a fundamental yet challenging problem in intelligent transportation systems, point cloud registration attracts vast attention and has been attained with various deep learning-based algorithms. The unsupervised registration algorithms…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Dongrui Liu , Chuanchuan Chen , Changqing Xu , Robert Qiu , Lei Chu

Computing power, big data, and advancement of algorithms have led to a renewed interest in artificial intelligence (AI), especially in deep learning (DL). The success of DL largely lies on data representation because different…

机器学习 · 计算机科学 2021-03-09 Liya Wang , Panta Lucic , Keith Campbell , Craig Wanke

With the rapid proliferation of 3D devices and the shortage of 3D content, stereo conversion is attracting increasing attention. Recent works introduce pretrained Diffusion Models (DMs) into this task. However, due to the scarcity of…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Songsong Yu , Yuxin Chen , Zhongang Qi , Zeke Xie , Yifan Wang , Lijun Wang , Ying Shan , Huchuan Lu
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