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In order to retain more feature information of local areas on a point cloud, local grouping and subsampling are the necessary data structuring steps in most hierarchical deep learning models. Due to the disorder nature of the points in a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Luyang Li , Ligang He , Jinjin Gao , Xie Han

A point cloud is a crucial geometric data structure utilized in numerous applications. The adoption of deep neural networks referred to as Point Cloud Neural Networks (PC- NNs), for processing 3D point clouds, has significantly advanced…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Amrijit Biswas , Md. Ismail Hossain , M M Lutfe Elahi , Ali Cheraghian , Fuad Rahman , Nabeel Mohammed , Shafin Rahman

Multi-frame infrared small target detection (IRSTD) plays a crucial role in low-altitude and maritime surveillance. The hybrid architecture combining CNNs and Transformers shows great promise for enhancing multi-frame IRSTD performance. In…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Zhihua Shen , Siyang Chen , Han Wang , Tongsu Zhang , Xiaohu Zhang , Xiangpeng Xu , Xia Yang

In this paper, we propose Attention Based Decomposition Network (ABD-Net), for point cloud decomposition into basic geometric shapes namely, plane, sphere, cone and cylinder. We show improved performance of 3D object classification using…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Siddharth Katageri , Shashidhar V Kudari , Akshaykumar Gunari , Ramesh Ashok Tabib , Uma Mudenagudi

Object detection often costs a considerable amount of computation to get satisfied performance, which is unfriendly to be deployed in edge devices. To address the trade-off between computational cost and detection accuracy, this paper…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Huimin Shi , Quan Zhou , Yinghao Ni , Xiaofu Wu , Longin Jan Latecki

We propose a novel, end-to-end trainable, deep network called ParSeNet that decomposes a 3D point cloud into parametric surface patches, including B-spline patches as well as basic geometric primitives. ParSeNet is trained on a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Gopal Sharma , Difan Liu , Subhransu Maji , Evangelos Kalogerakis , Siddhartha Chaudhuri , Radomír Měch

Segmentation of ultra-high resolution images is increasingly demanded, yet poses significant challenges for algorithm efficiency, in particular considering the (GPU) memory limits. Current approaches either downsample an ultra-high…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Wuyang Chen , Ziyu Jiang , Zhangyang Wang , Kexin Cui , Xiaoning Qian

The recent development of light-weighted neural networks has promoted the applications of deep learning under resource constraints and mobile applications. Many of these applications need to perform a real-time and efficient prediction for…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Weihao Jiang , Zhaozhi Xie , Yaoyi Li , Chang Liu , Hongtao Lu

Three-dimensional (3D) shape recognition has drawn much research attention in the field of computer vision. The advances of deep learning encourage various deep models for 3D feature representation. For point cloud and multi-view data, two…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Haoxuan You , Yifan Feng , Xibin Zhao , Changqing Zou , Rongrong Ji , Yue Gao

Technology to recognize the type of component represented by a point cloud is required in the reconstruction process of an as-built model of a process plant based on laser scanning. The reconstruction process of a process plant through…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Hyungki Kim , Duhwan Mun

To achieve lightweight object detectors for deployment on the edge devices, an effective model compression pipeline is proposed in this paper. The compression pipeline consists of automatic channel pruning for the backbone, fixed channel…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Yiwu Yao , Weiqiang Yang , Haoqi Zhu

Since the point cloud data is inherently irregular and unstructured, point cloud semantic segmentation has always been a challenging task. The graph-based method attempts to model the irregular point cloud by representing it as a graph;…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Wei Tao , Xiaoyang Qu , Kai Lu , Jiguang Wan , Shenglin He , Jianzong Wang

We propose LIGHTNE 2.0, a cost-effective, scalable, automated, and high-quality network embedding system that scales to graphs with hundreds of billions of edges on a single machine. In contrast to the mainstream belief that distributed…

Social and Information Networks · Computer Science 2023-02-15 Yuyang Xie , Jiezhong Qiu , Laxman Dhulipala , Wenjian Yu , Jie Tang , Richard Peng , Chi Wang

Spatial-wise dynamic convolution has become a promising approach to improving the inference efficiency of deep networks. By allocating more computation to the most informative pixels, such an adaptive inference paradigm reduces the spatial…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Yizeng Han , Zhihang Yuan , Yifan Pu , Chenhao Xue , Shiji Song , Guangyu Sun , Gao Huang

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

Image and Video Processing · Electrical Eng. & Systems 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

Online 3D scene perception in real time is essential for robotics, AR/VR, and autonomous systems, particularly in edge computing scenarios where computational resources are limited and privacy is crucial. Recent state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Qin Liu , Lavisha Aggarwal , Saptarashmi Bandyopadhyay , Vikas Bahirwani , Marc Niethammer , Ehsan Adeli , Andrea Colaco

Deep learning-based super-resolution (SR) techniques have generally achieved excellent performance in the computer vision field. Recently, it has been proven that three-dimensional (3D) SR for medical volumetric data delivers better visual…

Image and Video Processing · Electrical Eng. & Systems 2021-05-19 Yinhao Li , Yutaro Iwamoto , Lanfen Lin , Rui Xu , Yen-Wei Chen

Semantic segmentation of 3D point cloud is an essential task for autonomous driving environment perception. The pipeline of most pointwise point cloud semantic segmentation methods includes points sampling, neighbor searching, feature…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Chuanyu Luo , Xiaohan Li , Nuo Cheng , Han Li , Shengguang Lei , Pu Li

In the field of resource-constrained robots and the need for effective place recognition in multi-robotic systems, this article introduces RecNet, a novel approach that concurrently addresses both challenges. The core of RecNet's…

Robotics · Computer Science 2024-10-04 Nikolaos Stathoulopoulos , Mario A. V. Saucedo , Anton Koval , George Nikolakopoulos

Accurate Point Cloud Registration (PCR) is an important task in 3D data processing, involving the estimation of a rigid transformation between two point clouds. While deep-learning methods have addressed key limitations of traditional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yasaman Kashefbahrami , Erkut Akdag , Panagiotis Meletis , Evgeniya Balmashnova , Dip Goswami , Egor Bondarau