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For the high granularity and high energy resolution, Silicon Strip Detector (SSD) is widely applied in assembling telescopes to measure the charged particles in heavy ion reactions. In this paper, we present a novel method to achieve track…

Instrumentation and Detectors · Physics 2022-03-14 Fenhai Guan , Yijie Wang , Xinyue Diao , Yuhao Qin , Zhi Qin , Dong Guo , Qianghua Wu , Dawei Si , Sheng Xiao , Boyuan Zhang , Yaopeng Zhang , Xuan Zhao , Zhigang Xiao

We present SHRED, a method for 3D SHape REgion Decomposition. SHRED takes a 3D point cloud as input and uses learned local operations to produce a segmentation that approximates fine-grained part instances. We endow SHRED with three…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 R. Kenny Jones , Aalia Habib , Daniel Ritchie

Autonomous Vehicles (AVs) are mostly reliant on LiDAR sensors which enable spatial perception of their surroundings and help make driving decisions. Recent works demonstrated attacks that aim to hide objects from AV perception, which can…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Zhongyuan Hau , Soteris Demetriou , Emil C. Lupu

3D multi-object tracking is an important component in robotic perception systems such as self-driving vehicles. Recent work follows a tracking-by-detection pipeline, which aims to match past tracklets with detections in the current frame.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Xinshuo Weng , Kris Kitani

This paper presents a very simple but efficient algorithm for 3D line segment detection from large scale unorganized point cloud. Unlike traditional methods which usually extract 3D edge points first and then link them to fit for 3D line…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Xiaohu Lu , Yahui Liu , Kai Li

With the vigorous development of the urban construction industry, engineering deformation or changes often occur during the construction process. To combat this phenomenon, it is necessary to detect changes in order to detect construction…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Xiaoxu Ren , Haili Sun , Zhenxin Zhang

The aviation and transport security industries face the challenge of screening high volumes of baggage for threats and contraband in the minimum time possible. Automation and semi-automation of this procedure offers the potential to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Anthony Bagnall , Paul Southam , James Large , Richard Harvey

Large tensors are frequently encountered in various fields such as computer vision, scientific simulations, sensor networks, and data mining. However, these tensors are often too large for convenient processing, transfer, or storage.…

Optimization and Control · Mathematics 2024-09-26 Zhiguang Cheng , Gaohang Yu , Xiaohao Cai , Liqun Qi

Microscopic fringe projection profilometry is a powerful 3D measurement technique with a theoretical measurement accuracy better than one micron provided that the measured targets can be imaged with good fringe visibility. However,…

Image and Video Processing · Electrical Eng. & Systems 2019-06-26 Yan Hu , Qian Chen , Yichao Liang , Shijie Feng , Tianyang Tao , Chao Zuo

Edge detection is one of the most critical tasks in automatic image analysis. There exists no universal edge detection method which works well under all conditions. This paper shows the new approach based on the one of the most efficient…

Computer Vision and Pattern Recognition · Computer Science 2012-11-13 Mohamed A. El-Sayed

In this work a system for recognizing grasp points in RGB-D images is proposed. This system is intended to be used by a domestic robot when deploying clothes lying at a random position on a table. By taking into consideration that the grasp…

Computer Vision and Pattern Recognition · Computer Science 2017-06-22 Luz María Martínez , Javier Ruiz-del-Solar

Recent years have witnessed many advancements in the applications of 3D textured meshes. As the demand continues to rise, evaluating the perceptual quality of this new type of media content becomes crucial for quality assurance and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Armin Shafiee Sarvestani , Wei Zhou , Zhou Wang

Most real-world 3D sensors such as LiDARs perform fixed scans of the entire environment, while being decoupled from the recognition system that processes the sensor data. In this work, we propose a method for 3D object recognition using…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Siddharth Ancha , Yaadhav Raaj , Peiyun Hu , Srinivasa G. Narasimhan , David Held

We present a scalable method for detecting objects and estimating their 3D poses in RGB-D data. To this end, we rely on an efficient representation of object views and employ hashing techniques to match these views against the input frame…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Wadim Kehl , Federico Tombari , Nassir Navab , Slobodan Ilic , Vincent Lepetit

This paper proposes anchor pruning for object detection in one-stage anchor-based detectors. While pruning techniques are widely used to reduce the computational cost of convolutional neural networks, they tend to focus on optimizing the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Maxim Bonnaerens , Matthias Freiberger , Joni Dambre

A path independent measure in order parameter space is introduced such that, when integrated along any closed contour in a three dimensional nematic phase, it yields the topological charge of any line defects encircled by the contour. A…

Soft Condensed Matter · Physics 2023-08-10 Cody D. Schimming , Jorge Viñals

In this paper, we propose an efficient feature pruning strategy for 3D small object detection. Conventional 3D object detection methods struggle on small objects due to the weak geometric information from a small number of points. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xiuwei Xu , Zhihao Sun , Ziwei Wang , Hongmin Liu , Jie Zhou , Jiwen Lu

We propose a novel, good-quality, and less demanding method for detecting knots on the surface of wooden logs using multimodal data fusion. Knots are a primary factor affecting the quality of sawn timber, making their detection fundamental…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Bořek Reich , Matej Kunda , Fedor Zolotarev , Tuomas Eerola , Pavel Zemčík , Tomi Kauppi

The purpose of this project is to investigate the use of charge couple devices (CCDs) to detect electrons directly. This can be done in transmission electron microscopy (TEM) for electrons over 100 KeV, but for space plasma instruments,…

Instrumentation and Detectors · Physics 2015-10-28 S. R. Mirfayzi

Crack is one of the most common road distresses which may pose road safety hazards. Generally, crack detection is performed by either certified inspectors or structural engineers. This task is, however, time-consuming, subjective and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Rui Fan , Mohammud Junaid Bocus , Yilong Zhu , Jianhao Jiao , Li Wang , Fulong Ma , Shanshan Cheng , Ming Liu