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相关论文: NIV-SSD: Neighbor IoU-Voting Single-Stage Object D…

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This paper proposes a novel object detection framework named Grid R-CNN, which adopts a grid guided localization mechanism for accurate object detection. Different from the traditional regression based methods, the Grid R-CNN captures the…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Xin Lu , Buyu Li , Yuxin Yue , Quanquan Li , Junjie Yan

There are mainly two types of state-of-the-art object detectors. On one hand, we have two-stage detectors, such as Faster R-CNN (Region-based Convolutional Neural Networks) or Mask R-CNN, that (i) use a Region Proposal Network to generate…

计算机视觉与模式识别 · 计算机科学 2018-09-03 Petru Soviany , Radu Tudor Ionescu

We present a new two-stage 3D object detection framework, named sparse-to-dense 3D Object Detector (STD). The first stage is a bottom-up proposal generation network that uses raw point cloud as input to generate accurate proposals by…

计算机视觉与模式识别 · 计算机科学 2019-07-25 Zetong Yang , Yanan Sun , Shu Liu , Xiaoyong Shen , Jiaya Jia

3D object detection is an important yet demanding task that heavily relies on difficult to obtain 3D annotations. To reduce the required amount of supervision, we propose 3DIoUMatch, a novel semi-supervised method for 3D object detection…

计算机视觉与模式识别 · 计算机科学 2021-07-07 He Wang , Yezhen Cong , Or Litany , Yue Gao , Leonidas J. Guibas

Image-based salient object detection (ISOD) in 360{\deg} scenarios is significant for understanding and applying panoramic information. However, research on 360{\deg} ISOD has not been widely explored due to the lack of large, complex,…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Junjie Wu , Changqun Xia , Tianshu Yu , Jia Li

Four-variable-independent-regression localization losses, such as Smooth-$\ell_1$ Loss, are used by default in modern detectors. Nevertheless, this kind of loss is oversimplified so that it is inconsistent with the final evaluation metric,…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Hanyang Peng , Shiqi Yu

Current Point-based detectors can only learn from the provided points, with limited receptive fields and insufficient global learning capabilities for such targets. In this paper, we present a novel Point Dilation Mechanism for single-stage…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Ao Liang , Haiyang Hua , Jian Fang , Wenyu Chen , Huaici Zhao

Point-cloud-based 3D object detection suffers from performance degradation when encountering data with novel domain gaps. To tackle it, the single-domain generalization (SDG) aims to generalize the detection model trained in a limited…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Shuangzhi Li , Lei Ma , Xingyu Li

We study the problem of efficient object detection of 3D LiDAR point clouds. To reduce the memory and computational cost, existing point-based pipelines usually adopt task-agnostic random sampling or farthest point sampling to progressively…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yifan Zhang , Qingyong Hu , Guoquan Xu , Yanxin Ma , Jianwei Wan , Yulan Guo

Object detection under imperfect data receives great attention recently. Weakly supervised object detection (WSOD) suffers from severe localization issues due to the lack of instance-level annotation, while semi-supervised object detection…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Hanjun Li , Xingjia Pan , Ke Yan , Fan Tang , Wei-Shi Zheng

Next Best View (NBV) algorithms aim to maximize 3D scene acquisition quality using minimal resources, e.g. number of acquisitions, time taken, or distance traversed. Prior methods often rely on coverage maximization as a proxy for…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Noah Frahm , Dongxu Zhao , Andrea Dunn Beltran , Ron Alterovitz , Jan-Michael Frahm , Junier Oliva , Roni Sengupta

We present a novel sparse signal reconstruction method "ISD", aiming to achieve fast reconstruction and a reduced requirement on the number of measurements compared to the classical l_1 minimization approach. ISD addresses failed…

信息论 · 计算机科学 2015-11-23 Yilun Wang , Wotao Yin

Most of the recent successful methods in accurate object detection and localization used some variants of R-CNN style two stage Convolutional Neural Networks (CNN) where plausible regions were proposed in the first stage then followed by a…

计算机视觉与模式识别 · 计算机科学 2017-04-20 Jimmy Ren , Xiaohao Chen , Jianbo Liu , Wenxiu Sun , Jiahao Pang , Qiong Yan , Yu-Wing Tai , Li Xu

Single Shot MultiBox Detector (SSD) is one of the fastest algorithms in the current object detection field, which uses fully convolutional neural network to detect all scaled objects in an image. Deconvolutional Single Shot Detector (DSSD)…

计算机视觉与模式识别 · 计算机科学 2018-01-19 Liwen Zheng , Canmiao Fu , Yong Zhao

In Few-Shot Object Detection (FSOD), detecting small objects is extremely difficult. The limited supervision cripples the localization capabilities of the models and a few pixels shift can dramatically reduce the Intersection over Union…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Pierre Le Jeune , Anissa Mokraoui

Stein variational gradient descent (SVGD) is a general-purpose optimization-based sampling algorithm that has recently exploded in popularity, but is limited by two issues: it is known to produce biased samples, and it can be slow to…

机器学习 · 统计学 2022-04-20 Alex Leviyev , Joshua Chen , Yifei Wang , Omar Ghattas , Aaron Zimmerman

In this paper, we present an Improved Data Augmentation (IDA) technique focused on Salient Object Detection (SOD). Standard data augmentation techniques proposed in the literature, such as image cropping, rotation, flipping, and resizing,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Daniel V. Ruiz , Bruno A. Krinski , Eduardo Todt

Semi-supervised object detection (SSOD), leveraging unlabeled data to boost object detectors, has become a hot topic recently. However, existing SSOD approaches mainly focus on horizontal objects, leaving oriented objects common in aerial…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Dingkang Liang , Wei Hua , Chunsheng Shi , Zhikang Zou , Xiaoqing Ye , Xiang Bai

Small-object detection is a challenging problem. In the last few years, the convolution neural networks methods have been achieved considerable progress. However, the current detectors struggle with effective features extraction for…

计算机视觉与模式识别 · 计算机科学 2022-05-13 Pourya Shamsolmoali , Masoumeh Zareapoor , Eric Granger , Jocelyn Chanussot , Jie Yang

Common object detection models consist of classification and regression branches, due to different task drivers, these two branches have different sensibility to the features from the same scale level and the same spatial location. The…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Shuaizheng Hao , Hongzhe Liu , Ningwei Wang , Cheng Xu