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This paper presents a novel graph-based deep learning model for tasks involving relations between two nodes (edge-centric tasks), where the focus lies on predicting relationships and interactions between pairs of nodes rather than node…

Machine Learning · Computer Science 2025-07-08 Eugenio Borzone , Leandro Di Persia , Matias Gerard

The task of weed detection is an essential element of precision agriculture since accurate species identification allows a farmer to selectively apply herbicides and fits into sustainable agriculture crop management. This paper proposes a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Pandiyaraju V , Abishek Karthik , Sreya Mynampati , Poovarasan L , D. Saraswathi

Inspired by recent improvements in point cloud processing for autonomous navigation, we focus on using hierarchical graph neural networks for processing and feature learning over large-scale outdoor LiDAR point clouds. We observe that…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Arulmolivarman Thieshanthan , Amashi Niwarthana , Pamuditha Somarathne , Tharindu Wickremasinghe , Ranga Rodrigo

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

In recent years, the challenge of 3D shape analysis within point cloud data has gathered significant attention in computer vision. Addressing the complexities of effective 3D information representation and meaningful feature extraction for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Md Meraz , Md Afzal Ansari , Mohammed Javed , Pavan Chakraborty

The precise characterization of plant morphology provides valuable insights into plant environment interactions and genetic evolution. A key technology for extracting this information is 3D segmentation, which delineates individual plant…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Ruiming Du , Guangxun Zhai , Tian Qiu , Yu Jiang

Point clouds, being the simple and compact representation of surface geometry of 3D objects, have gained increasing popularity with the evolution of deep learning networks for classification and segmentation tasks. Unlike human, teaching…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Sindhu Hegde , Shankar Gangisetty

The analyses relying on 3D point clouds are an utterly complex task, often involving million of points, but also requiring computationally efficient algorithms because of many real-time applications; e.g. autonomous vehicle. However, point…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Deep learning plays an important role in modern agriculture, especially in plant pathology using leaf images where convolutional neural networks (CNN) are attracting a lot of attention. While numerous reviews have explored the applications…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Jianping Yao , Son N. Tran , Saurabh Garg , Samantha Sawyer

Learning on point cloud is eagerly in demand because the point cloud is a common type of geometric data and can aid robots to understand environments robustly. However, the point cloud is sparse, unstructured, and unordered, which cannot be…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Kuangen Zhang , Ming Hao , Jing Wang , Clarence W. de Silva , Chenglong Fu

Point cloud, an efficient 3D object representation, has become popular with the development of depth sensing and 3D laser scanning techniques. It has attracted attention in various applications such as 3D tele-presence, navigation for…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Gusi Te , Wei Hu , Zongming Guo , Amin Zheng

Graph-based neural network models are gaining traction in the field of representation learning due to their ability to uncover latent topological relationships between entities that are otherwise challenging to identify. These models have…

Image and Video Processing · Electrical Eng. & Systems 2023-07-25 Aryan Singh , Pepijn Van de Ven , Ciarán Eising , Patrick Denny

We propose simple yet effective improvements in point representations and local neighborhood graph construction within the general framework of graph neural networks (GNNs) for 3D point cloud processing. As a first contribution, we propose…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Siddharth Srivastava , Gaurav Sharma

Recently, graph-based and Transformer-based deep learning networks have demonstrated excellent performances on various point cloud tasks. Most of the existing graph methods are based on static graph, which take a fixed input to establish…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Wei Zhou , Qian Wang , Weiwei Jin , Xinzhe Shi , Ying He

In this paper, we aim at improving the computational efficiency of graph convolutional networks (GCNs) for learning on point clouds. The basic graph convolution that is typically composed of a $K$-nearest neighbor (KNN) search and a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Yawei Li , He Chen , Zhaopeng Cui , Radu Timofte , Marc Pollefeys , Gregory Chirikjian , Luc Van Gool

Particle identification (PID) is essential for future particle physics experiments such as the Circular Electron-Positron Collider and the Future Circular Collider. A high-granularity Time Projection Chamber (TPC) not only provides precise…

High Energy Physics - Experiment · Physics 2026-04-07 Guang Zhao , Yue Chang , Jinxian Zhang , Linghui Wu , Huirong Qi , Xin She , Mingyi Dong , Shengsen Sun , Jianchun Wang , Yifang Wang , Chunxu Yu

Estimation of a single leaf area can be a measure of crop growth and a phenotypic trait to breed new varieties. It has also been used to measure leaf area index and total leaf area. Some studies have used hand-held cameras, image processing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Namal Jayasuriya , Yi Guo , Wen Hu , Oula Ghannoum

A robust and accurate 3D detection system is an integral part of autonomous vehicles. Traditionally, a majority of 3D object detection algorithms focus on processing 3D point clouds using voxel grids or bird's eye view (BEV). Recent works,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Sumesh Thakur , Jiju Peethambaran

Locating discriminative parts plays a key role in fine-grained visual classification due to the high similarities between different objects. Recent works based on convolutional neural networks utilize the feature maps taken from the last…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Jianwei Song , Ruoyu Yang

Machine learning (ML) based materials discovery has emerged as one of the most promising approaches for breakthroughs in materials science. While heuristic knowledge based descriptors have been combined with ML algorithms to achieve good…

Materials Science · Physics 2021-09-28 Sadman Sadeed Omee , Steph-Yves Louis , Nihang Fu , Lai Wei , Sourin Dey , Rongzhi Dong , Qinyang Li , Jianjun Hu