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Related papers: Density-Guided Dense Pseudo Label Selection For Se…

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To date, the most powerful semi-supervised object detectors (SS-OD) are based on pseudo-boxes, which need a sequence of post-processing with fine-tuned hyper-parameters. In this work, we propose replacing the sparse pseudo-boxes with the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Hongyu Zhou , Zheng Ge , Songtao Liu , Weixin Mao , Zeming Li , Haiyan Yu , Jian Sun

In this paper, we present a simple yet effective semi-supervised 3D object detector named DDS3D. Our main contributions have two-fold. On the one hand, different from previous works using Non-Maximal Suppression (NMS) or its variants for…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Jingyu Li , Zhe Liu , Jinghua Hou , Dingkang Liang

Semi-supervised object detection (SSOD) aims to facilitate the training and deployment of object detectors with the help of a large amount of unlabeled data. Though various self-training based and consistency-regularization based SSOD…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Binghui Chen , Pengyu Li , Xiang Chen , Biao Wang , Lei Zhang , Xian-Sheng Hua

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

Sparse annotation in remote sensing object detection poses significant challenges due to dense object distributions and category imbalances. Although existing Dense Pseudo-Label methods have demonstrated substantial potential in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Wei Liao , Chunyan Xu , Chenxu Wang , Zhen Cui

We delve into pseudo-labeling for semi-supervised monocular 3D object detection (SSM3OD) and discover two primary issues: a misalignment between the prediction quality of 3D and 2D attributes and the tendency of depth supervision derived…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Jiacheng Zhang , Jiaming Li , Xiangru Lin , Wei Zhang , Xiao Tan , Junyu Han , Errui Ding , Jingdong Wang , Guanbin Li

Recent advances in semi-supervised object detection (SSOD) are largely driven by consistency-based pseudo-labeling methods for image classification tasks, producing pseudo labels as supervisory signals. However, when using pseudo labels,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Hengduo Li , Zuxuan Wu , Abhinav Shrivastava , Larry S. Davis

Semi-supervised 3D object detection (SS3DOD) aims to reduce costly 3D annotations utilizing unlabeled data. Recent studies adopt pseudo-label-based teacher-student frameworks and demonstrate impressive performance. The main challenge of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Taehun Kong , Tae-Kyun Kim

3D object detection is an important task in computer vision. Most existing methods require a large number of high-quality 3D annotations, which are expensive to collect. Especially for outdoor scenes, the problem becomes more severe due to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Hongyi Xu , Fengqi Liu , Qianyu Zhou , Jinkun Hao , Zhijie Cao , Zhengyang Feng , Lizhuang Ma

While the pseudo-label method has demonstrated considerable success in semi-supervised object detection tasks, this paper uncovers notable limitations within this approach. Specifically, the pseudo-label method tends to amplify the inherent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Zeming Chen , Wenwei Zhang , Xinjiang Wang , Kai Chen , Zhi Wang

The Mean-Teacher (MT) scheme is widely adopted in semi-supervised object detection (SSOD). In MT, the sparse pseudo labels, offered by the final predictions of the teacher (e.g., after Non Maximum Suppression (NMS) post-processing), are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Gang Li , Xiang Li , Yujie Wang , Yichao Wu , Ding Liang , Shanshan Zhang

3D object detection is essential for autonomous driving and robotic perception, yet its reliance on large-scale manually annotated data limits scalability and adaptability. To reduce annotation dependency, unsupervised and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yushen He , Lei Zhao , Weidong Chen

Semi-Supervised Object Detection (SSOD), aiming to explore unlabeled data for boosting object detectors, has become an active task in recent years. However, existing SSOD approaches mainly focus on horizontal objects, leaving multi-oriented…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Wei Hua , Dingkang Liang , Jingyu Li , Xiaolong Liu , Zhikang Zou , Xiaoqing Ye , Xiang Bai

Unsupervised Camoflaged Object Detection (UCOD) has gained attention since it doesn't need to rely on extensive pixel-level labels. Existing UCOD methods typically generate pseudo-labels using fixed strategies and train 1 x1 convolutional…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Weiqi Yan , Lvhai Chen , Huaijia Kou , Shengchuan Zhang , Yan Zhang , Liujuan Cao

Semi-supervised object detection (SSOD) aims to boost detection performance by leveraging extra unlabeled data. The teacher-student framework has been shown to be promising for SSOD, in which a teacher network generates pseudo-labels for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Honggyu Choi , Zhixiang Chen , Xuepeng Shi , Tae-Kyun Kim

Despite its significant success, object detection in traffic and transportation scenarios requires time-consuming and laborious efforts in acquiring high-quality labeled data. Therefore, Unsupervised Domain Adaptation (UDA) for object…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Zehua Fu , Chenguang Liu , Yuyu Chen , Jiaqi Zhou , Qingjie Liu , Yunhong Wang

Self-supervised vision transformers (SSTs) have shown great potential to yield rich localization maps that highlight different objects in an image. However, these maps remain class-agnostic since the model is unsupervised. They often tend…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Shakeeb Murtaza , Soufiane Belharbi , Marco Pedersoli , Aydin Sarraf , Eric Granger

One of the important bottlenecks in training modern object detectors is the need for labeled images where bounding box annotations have to be produced for each object present in the image. This bottleneck is further exacerbated in aerial…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Akhil Meethal , Eric Granger , Marco Pedersoli

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

Deep learning-based video salient object detection has recently achieved great success with its performance significantly outperforming any other unsupervised methods. However, existing data-driven approaches heavily rely on a large…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Pengxiang Yan , Guanbin Li , Yuan Xie , Zhen Li , Chuan Wang , Tianshui Chen , Liang Lin
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