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Object detection is a very important function of visual perception systems. Since the early days of classical object detection based on HOG to modern deep learning based detectors, object detection has improved in accuracy. Two stage…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Subrata Goswami

Data augmentation is an important technique to improve data efficiency and save labeling cost for 3D detection in point clouds. Yet, existing augmentation policies have so far been designed to only utilize labeled data, which limits the…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Zhaoqi Leng , Shuyang Cheng , Benjamin Caine , Weiyue Wang , Xiao Zhang , Jonathon Shlens , Mingxing Tan , Dragomir Anguelov

Driven by the increasing demand for accurate and efficient representation of 3D data in various domains, point cloud sampling has emerged as a pivotal research topic in 3D computer vision. Recently, learning-to-sample methods have garnered…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Chengzhi Wu , Yuxin Wan , Hao Fu , Julius Pfrommer , Zeyun Zhong , Junwei Zheng , Jiaming Zhang , Jürgen Beyerer

Data augmentations are important in training high-performance 3D object detectors for point clouds. Despite recent efforts on designing new data augmentations, perhaps surprisingly, most state-of-the-art 3D detectors only use a few simple…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Zhaoqi Leng , Guowang Li , Chenxi Liu , Ekin Dogus Cubuk , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan

In this paper, we propose a novel training strategy called SupFusion, which provides an auxiliary feature level supervision for effective LiDAR-Camera fusion and significantly boosts detection performance. Our strategy involves a data…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Yiran Qin , Chaoqun Wang , Zijian Kang , Ningning Ma , Zhen Li , Ruimao Zhang

The purpose of this work is to review the state-of-the-art LiDAR-based 3D object detection methods, datasets, and challenges. We describe novel data augmentation methods, sampling strategies, activation functions, attention mechanisms, and…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Walter Zimmer , Emec Ercelik , Xingcheng Zhou , Xavier Jair Diaz Ortiz , Alois Knoll

The increasing proliferation of misinformation and its alarming impact have motivated both industry and academia to develop approaches for fake news detection. However, state-of-the-art approaches are usually trained on datasets of smaller…

计算与语言 · 计算机科学 2023-05-31 Sahar Tahmasebi , Sherzod Hakimov , Ralph Ewerth , Eric Müller-Budack

Passive methods for object detection and segmentation treat images of the same scene as individual samples and do not exploit object permanence across multiple views. Generalization to novel or difficult viewpoints thus requires additional…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Zhaoyuan Fang , Ayush Jain , Gabriel Sarch , Adam W. Harley , Katerina Fragkiadaki

Collection of massive well-annotated samples is effective in improving object detection performance but is extremely laborious and costly. Instead of data collection and annotation, the recently proposed Cut-Paste methods [12, 15] show the…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Hao Wang , Qilong Wang , Fan Yang , Weiqi Zhang , Wangmeng Zuo

Conventional 3D object detection approaches concentrate on bounding boxes representation learning with several parameters, i.e., localization, dimension, and orientation. Despite its popularity and universality, such a straightforward…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Xuelin Qian , Li Wang , Yi Zhu , Li Zhang , Yanwei Fu , Xiangyang Xue

Current geometry-based monocular 3D object detection models can efficiently detect objects by leveraging perspective geometry, but their performance is limited due to the absence of accurate depth information. Though this issue can be…

计算机视觉与模式识别 · 计算机科学 2021-07-29 Chenhang He , Jianqiang Huang , Xian-Sheng Hua , Lei Zhang

Sample assignment plays a prominent part in modern object detection approaches. However, most existing methods rely on manual design to assign positive / negative samples, which do not explicitly establish the relationships between sample…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Ji Liu , Dong Li , Zekun Li , Han Liu , Wenjing Ke , Lu Tian , Yi Shan

The creation of altered and manipulated faces has become more common due to the improvement of DeepFake generation methods. Simultaneously, we have seen detection models' development for differentiating between a manipulated and original…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Sowmen Das , Selim Seferbekov , Arup Datta , Md. Saiful Islam , Md. Ruhul Amin

Recent developments in the field of deep learning for 3D data have demonstrated promising potential for end-to-end learning directly from point clouds. However, many real-world point clouds contain a large class im-balance due to the…

计算机视觉与模式识别 · 计算机科学 2019-06-19 David Griffiths , Jan Boehm

Data augmentation is a promising technique for unsupervised anomaly detection in industrial applications, where the availability of positive samples is often limited due to factors such as commercial competition and sample collection…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Lingrui Zhang , Shuheng Zhang , Guoyang Xie , Jiaqi Liu , Hua Yan , Jinbao Wang , Feng Zheng , Yaochu Jin

Established sampling protocols for 3D point cloud learning, such as Farthest Point Sampling (FPS) and Fixed Sample Size (FSS), have long been relied upon. However, real-world data often suffer from corruptions, such as sensor noise, which…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Chongshou Li , Pin Tang , Xinke Li , Yuheng Liu , Tianrui Li

Recently, researchers have been leveraging LiDAR point cloud for higher accuracy in 3D vehicle detection. Most state-of-the-art methods are deep learning based, but are easily affected by the number of points generated on the object. This…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Sungmin Woo , Sangwon Hwang , Woojin Kim , Junhyeop Lee , Dogyoon Lee , Sangyoun Lee

Data augmentation is one of the most common tools in deep learning, underpinning many recent advances including tasks such as classification, detection, and semantic segmentation. The standard approach to data augmentation involves simple…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Fulong Ma , Weiqing Qi , Guoyang Zhao , Ming Liu , Jun Ma

State-of-the-art approaches for Knowledge Base Completion (KBC) exploit deep neural networks trained with both false and true assertions: positive assertions are explicitly taken from the knowledge base, whereas negative ones are generated…

机器学习 · 计算机科学 2019-08-20 Sarthak Dash , Alfio Gliozzo

In recent years, much progress has been made in LiDAR-based 3D object detection mainly due to advances in detector architecture designs and availability of large-scale LiDAR datasets. Existing 3D object detectors tend to perform well on the…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Eduardo R. Corral-Soto , Alaap Grandhi , Yannis Y. He , Mrigank Rochan , Bingbing Liu