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Point supervision has become a scalable solution to address dense annotation for infrared small target detection, but its performance is limited by two coupled bottlenecks: unstable pseudo-label evolution in cluttered, low-contrast infrared…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Zhu Liu , Yuanhang Yao , Ping Qian , Zihang Chen , Risheng Liu

In this paper, we delve into two key techniques in Semi-Supervised Object Detection (SSOD), namely pseudo labeling and consistency training. We observe that these two techniques currently neglect some important properties of object…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Gang Li , Xiang Li , Yujie Wang , Yichao Wu , Ding Liang , Shanshan Zhang

Recent self-training techniques have shown notable improvements in unsupervised domain adaptation for 3D object detection (3D UDA). These techniques typically select pseudo labels, i.e., 3D boxes, to supervise models for the target domain.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Zhanwei Zhang , Minghao Chen , Shuai Xiao , Liang Peng , Hengjia Li , Binbin Lin , Ping Li , Wenxiao Wang , Boxi Wu , Deng Cai

Point detection has been developed to locate pedestrians in crowded scenes by training a counter through a point-to-point (P2P) supervision scheme. Despite its excellent localization and counting performance, training a point-based counter…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Wei Lin , Chenyang Zhao , Antoni B. Chan

Point clouds provide a compact and efficient representation of 3D shapes. While deep neural networks have achieved impressive results on point cloud learning tasks, they require massive amounts of manually labeled data, which can be costly…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Omid Poursaeed , Tianxing Jiang , Han Qiao , Nayun Xu , Vladimir G. Kim

With the rapid development of large models, the need for data has become increasingly crucial. Especially in 3D object detection, costly manual annotations have hindered further advancements. To reduce the burden of annotation, we study the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Jiawei He , Yuqi Wang , Yuntao Chen , Zhaoxiang Zhang

Dominated point cloud-based 3D object detectors in autonomous driving scenarios rely heavily on the huge amount of accurately labeled samples, however, 3D annotation in the point cloud is extremely tedious, expensive and time-consuming. To…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Junbo Yin , Jin Fang , Dingfu Zhou , Liangjun Zhang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

In the past few years we have seen great advances in object perception (particularly in 4D space-time dimensions) thanks to deep learning methods. However, they typically rely on large amounts of high-quality labels to achieve good…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Bin Yang , Min Bai , Ming Liang , Wenyuan Zeng , Raquel Urtasun

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

Existing pseudo label generation methods for point weakly supervised object detection are inadequate in low data volume and dense object detection tasks. We consider the generation of weakly supervised pseudo labels as the model's sparse…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Chuyang Shang , Tian Ma , Wanzhu Ren , Yuancheng Li , Jiayi Yang

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…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Dingkang Liang , Wei Hua , Chunsheng Shi , Zhikang Zou , Xiaoqing Ye , Xiang Bai

Benchmark object detection (OD) datasets play a pivotal role in advancing computer vision applications such as autonomous driving, and surveillance, as well as in training and evaluating deep learning-based state-of-the-art detection…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Min Je Kim , Muhammad Munsif , Altaf Hussain , Hikmat Yar , Sung Wook Baik

We propose a fully automatic annotation scheme that takes a raw 3D point cloud with a set of fitted CAD models as input and outputs convincing point-wise labels that can be used as cheap training data for point cloud segmentation. Compared…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Galadrielle Humblot-Renaux , Simon Buus Jensen , Andreas Møgelmose

In this paper, we propose a self-supervised learningmethod for multi-object pose estimation. 3D object under-standing from 2D image is a challenging task that infers ad-ditional dimension from reduced-dimensional information.In particular,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Hyeonwoo Yu , Jean Oh

Recent years have produced a variety of learning based methods in the context of computer vision and robotics. Most of the recently proposed methods are based on deep learning, which require very large amounts of data compared to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Kenneth Blomqvist , Julius Hietala

With the rapidly increasing demand for oriented object detection, e.g. in autonomous driving and remote sensing, the recently proposed paradigm involving weakly-supervised detector H2RBox for learning rotated box (RBox) from the more…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yi Yu , Xue Yang , Qingyun Li , Yue Zhou , Gefan Zhang , Feipeng Da , Junchi Yan

Weakly-supervised object detection (WSOD) has emerged as an inspiring recent topic to avoid expensive instance-level object annotations. However, the bounding boxes of most existing WSOD methods are mainly determined by precomputed…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Bowen Dong , Zitong Huang , Yuelin Guo , Qilong Wang , Zhenxing Niu , Wangmeng Zuo

Weakly-supervised salient object detection (WSOD) aims to develop saliency models using image-level annotations. Despite of the success of previous works, explorations on an effective training strategy for the saliency network and accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Yongri Piao , Jian Wang , Miao Zhang , Zhengxuan Ma , Huchuan Lu

Data collection for autonomous driving is rapidly accelerating, but manual annotation, especially for 3D labels, remains a major bottleneck due to its high cost and labor intensity. Autolabeling has emerged as a scalable alternative,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Levente Tempfli , Esteban Rivera , Markus Lienkamp

Tiny objects, with their limited spatial resolution, often resemble point-like distributions. As a result, bounding box prediction using point-level supervision emerges as a natural and cost-effective alternative to traditional box-level…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Haoran Zhu , Chang Xu , Ruixiang Zhang , Fang Xu , Wen Yang , Haijian Zhang , Gui-Song Xia