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Object detection typically assumes that training and test data are drawn from an identical distribution, which, however, does not always hold in practice. Such a distribution mismatch will lead to a significant performance drop. In this…

计算机视觉与模式识别 · 计算机科学 2018-03-09 Yuhua Chen , Wen Li , Christos Sakaridis , Dengxin Dai , Luc Van Gool

The Feature Pyramid Network (FPN) presents a remarkable approach to alleviate the scale variance in object representation by performing instance-level assignments. Nevertheless, this strategy ignores the distinct characteristics of…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Lin Song , Yanwei Li , Zhengkai Jiang , Zeming Li , Hongbin Sun , Jian Sun , Nanning Zheng

While witnessed with rapid development, remote sensing object detection remains challenging for detecting high aspect ratio objects. This paper shows that large strip convolutions are good feature representation learners for remote sensing…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Xinbin Yuan , Zhaohui Zheng , Yuxuan Li , Xialei Liu , Li Liu , Xiang Li , Qibin Hou , Ming-Ming Cheng

LiDAR-based 3D object detection pushes forward an immense influence on autonomous vehicles. Due to the limitation of the intrinsic properties of LiDAR, fewer points are collected at the objects farther away from the sensor. This imbalanced…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Ziyu Li , Yuncong Yao , Zhibin Quan , Wankou Yang , Jin Xie

Object detection is a fundamental and challenging problem in aerial and satellite image analysis. More recently, a two-stage detector Faster R-CNN is proposed and demonstrated to be a promising tool for object detection in optical remote…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Lin Cheng , Xu Liu , Lingling Li , Licheng Jiao , Xu Tang

Compared with model architectures, the training process, which is also crucial to the success of detectors, has received relatively less attention in object detection. In this work, we carefully revisit the standard training practice of…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Jiangmiao Pang , Kai Chen , Jianping Shi , Huajun Feng , Wanli Ouyang , Dahua Lin

We introduce the concept of Non-Local RoI (NL-RoI) Block as a generic and flexible module that can be seamlessly adapted into different Mask R-CNN heads for various tasks. Mask R-CNN treats RoIs (Regions of Interest) independently and…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Shou-Yao Roy Tseng , Hwann-Tzong Chen , Shao-Heng Tai , Tyng-Luh Liu

Convolutional Neural Networks (CNNs) have emerged as a powerful strategy for most object detection tasks on 2D images. However, their power has not been fully realised for detecting 3D objects in point clouds directly without converting…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Liang Zhang , Ajmal Mian

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

Efficient and accurate detection of small objects in manufacturing settings, such as defects and cracks, is crucial for ensuring product quality and safety. To address this issue, we proposed a comprehensive strategy by synergizing Faster…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Md Sohag Mia , Abdullah Al Bary Voban , Abu Bakor Hayat Arnob , Abdu Naim , Md Kawsar Ahmed , Md Shariful Islam

Object detection has been one of the most active topics in computer vision for the past years. Recent works have mainly focused on pushing the state-of-the-art in the general-purpose COCO benchmark. However, the use of such detection…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Manuel Carranza-García , Pedro Lara-Benítez , Jorge García-Gutiérrez , José C. Riquelme

We consider the problem of segmentation and classification of high-resolution and hyperspectral remote sensing images. Unlike conventional natural (RGB) images, the inherent large scale and complex structures of remote sensing images pose…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Qingsong Xu , Xin Yuan , Chaojun Ouyang , Yue Zeng

Current state-of-the-art two-stage models on instance segmentation task suffer from several types of imbalances. In this paper, we address the Intersection over the Union (IoU) distribution imbalance of positive input Regions of Interest…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Leonardo Rossi , Akbar Karimi , Andrea Prati

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

The task of instance segmentation in remote sensing images, aiming at performing per-pixel labeling of objects at instance level, is of great importance for various civil applications. Despite previous successes, most existing instance…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Ye Liu , Huifang Li , Chao Hu , Shuang Luo , Yan Luo , Chang Wen Chen

Object detection in aerial images is an active yet challenging task in computer vision because of the birdview perspective, the highly complex backgrounds, and the variant appearances of objects. Especially when detecting densely packed…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Jian Ding , Nan Xue , Yang Long , Gui-Song Xia , Qikai Lu

Recently, deep convolutional neural network methods have achieved an excellent performance in image superresolution (SR), but they can not be easily applied to embedded devices due to large memory cost. To solve this problem, we propose a…

图像与视频处理 · 电气工程与系统科学 2021-06-15 Huapeng Wu , Jie Gui , Jun Zhang , James T. Kwok , Zhihui Wei

We present RangeRCNN, a novel and effective 3D object detection framework based on the range image representation. Most existing methods are voxel-based or point-based. Though several optimizations have been introduced to ease the sparsity…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Zhidong Liang , Ming Zhang , Zehan Zhang , Xian Zhao , Shiliang Pu

Millimeter-wave radars are being increasingly integrated into commercial vehicles to support new advanced driver-assistance systems by enabling robust and high-performance object detection, localization, as well as recognition - a key…

信号处理 · 电气工程与系统科学 2022-05-02 Xiangyu Gao , Guanbin Xing , Sumit Roy , Hui Liu

This paper addresses the limitations of current vision-based rail defect detection methods, including high computational complexity, excessive parameter counts, and suboptimal accuracy. We propose a Lightweight Pyramid Cross-Attention…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Jackie Alex , Guoqiang Huan