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Fully supervised object detection has achieved great success in recent years. However, abundant bounding boxes annotations are needed for training a detector for novel classes. To reduce the human labeling effort, we propose a novel webly…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Zhonghua Wu , Qingyi Tao , Guosheng Lin , Jianfei Cai

The unsupervised 3D object detection is to accurately detect objects in unstructured environments with no explicit supervisory signals. This task, given sparse LiDAR point clouds, often results in compromised performance for detecting…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

State-of-the-art 3D object detectors are often trained on massive labeled datasets. However, annotating 3D bounding boxes remains prohibitively expensive and time-consuming, particularly for LiDAR. Instead, recent works demonstrate that…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Mehar Khurana , Neehar Peri , James Hays , Deva Ramanan

Point annotations are considerably more time-efficient than bounding box annotations. However, how to use cheap point annotations to boost the performance of semi-supervised object detection remains largely unsolved. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Yongtao Ge , Qiang Zhou , Xinlong Wang , Zhibin Wang , Hao Li , Chunhua Shen

This paper provides a novel framework for single-domain generalized object detection (i.e., Single-DGOD), where we are interested in learning and maintaining the semantic structures of self-augmented compound cross-domain samples to enhance…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Zhijie Rao , Jingcai Guo , Luyao Tang , Yue Huang , Xinghao Ding , Song Guo

Remote sensing object detection is particularly challenging due to the high resolution, multi-scale features, and diverse ground object characteristics inherent in satellite and UAV imagery. These challenges necessitate more advanced…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Hui Lin , Nan Li , Pengjuan Yao , Kexin Dong , Yuhan Guo , Danfeng Hong , Ying Zhang , Congcong Wen

The performance of existing point cloud-based 3D object detection methods heavily relies on large-scale high-quality 3D annotations. However, such annotations are often tedious and expensive to collect. Semi-supervised learning is a good…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Na Zhao , Tat-Seng Chua , Gim Hee Lee

Open-World Object Detection (OWOD) extends object detection problem to a realistic and dynamic scenario, where a detection model is required to be capable of detecting both known and unknown objects and incrementally learning newly…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Ruohuan Fang , Guansong Pang , Lei Zhou , Xiao Bai , Jin Zheng

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

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

Three-dimensional object detection from a single view is a challenging task which, if performed with good accuracy, is an important enabler of low-cost mobile robot perception. Previous approaches to this problem suffer either from an…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Eskil Jörgensen , Christopher Zach , Fredrik Kahl

Exploiting pseudo labels (e.g., categories and bounding boxes) of unannotated objects produced by a teacher detector have underpinned much of recent progress in semi-supervised object detection (SSOD). However, due to the limited…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Lei Zhang , Yuxuan Sun , Wei Wei

Weakly supervised object detection aims at learning precise object detectors, given image category labels. In recent prevailing works, this problem is generally formulated as a multiple instance learning module guided by an image…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Xiaoyan Li , Meina Kan , Shiguang Shan , Xilin Chen

Semi-supervised 3D object detection from point cloud aims to train a detector with a small number of labeled data and a large number of unlabeled data. The core of existing methods lies in how to select high-quality pseudo-labels using the…

计算机视觉与模式识别 · 计算机科学 2023-12-19 ChuXin Wang , Wenfei Yang , Tianzhu Zhang

Hyperspectral salient object detection (HSOD) aims to extract targets or regions with significantly different spectra from hyperspectral images. While existing deep learning-based methods can achieve good detection results, they generally…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Peifu Liu , Tingfa Xu , Guokai Shi , Jingxuan Xu , Huan Chen , Jianan Li

A crucial task in scene understanding is 3D object detection, which aims to detect and localize the 3D bounding boxes of objects belonging to specific classes. Existing 3D object detectors heavily rely on annotated 3D bounding boxes during…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Zengyi Qin , Jinglu Wang , Yan Lu

Labeling data is often expensive and time-consuming, especially for tasks such as object detection and instance segmentation, which require dense labeling of the image. While few-shot object detection is about training a model on novel…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Gabriel Huang , Issam Laradji , David Vazquez , Simon Lacoste-Julien , Pau Rodriguez

Current state-of-the-art (SOTA) 3D object detection methods often require a large amount of 3D bounding box annotations for training. However, collecting such large-scale densely-supervised datasets is notoriously costly. To reduce the…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Chenqiang Gao , Chuandong Liu , Jun Shu , Fangcen Liu , Jiang Liu , Luyu Yang , Xinbo Gao , Deyu Meng

With the growing demand for oriented object detection (OOD), recent studies on point-supervised OOD have attracted significant interest. In this paper, we propose PointOBB-v3, a stronger single point-supervised OOD framework. Compared to…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Peiyuan Zhang , Junwei Luo , Xue Yang , Yi Yu , Qingyun Li , Yue Zhou , Xiaosong Jia , Xudong Lu , Jingdong Chen , Xiang Li , Junchi Yan , Yansheng Li

While existing semi-supervised object detection (SSOD) methods perform well in general scenes, they encounter challenges in handling oriented objects in aerial images. We experimentally find three gaps between general and oriented object…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Chenxu Wang , Chunyan Xu , Ziqi Gu , Zhen Cui