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In recent years, deep learning technology has been maturely applied in the field of object detection, and most algorithms tend to be supervised learning. However, a large amount of labeled data requires high costs of human resources, which…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Yanyang Wang , Zhaoxiang Liu , Shiguo Lian

In this paper, we tackle the problem of enhancing real-world low-light images with significant noise in an unsupervised fashion. Conventional unsupervised learning-based approaches usually tackle the low-light image enhancement problem…

Image and Video Processing · Electrical Eng. & Systems 2022-03-29 Wei Xiong , Ding Liu , Xiaohui Shen , Chen Fang , Jiebo Luo

Unsupervised domain adaptation for LiDAR-based 3D object detection (3D UDA) based on the teacher-student architecture with pseudo labels has achieved notable improvements in recent years. Although it is quite popular to collect point clouds…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Shenao Zhao , Pengpeng Liang , Zhoufan Yang

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam

Recently, dense pseudo-label, which directly selects pseudo labels from the original output of the teacher model without any complicated post-processing steps, has received considerable attention in semi-supervised object detection (SSOD).…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Tong Zhao , Qiang Fang , Shuohao Shi , Xin Xu

Recently, learning-based algorithms have shown impressive performance in underwater image enhancement. Most of them resort to training on synthetic data and achieve outstanding performance. However, these methods ignore the significant…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Zhengyong Wang , Liquan Shen , Mei Yu , Kun Wang , Yufei Lin , Mai Xu

The fine-grained localization of clinicians in the operating room (OR) is a key component to design the new generation of OR support systems. Computer vision models for person pixel-based segmentation and body-keypoints detection are needed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Vinkle Srivastav , Afshin Gangi , Nicolas Padoy

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

In this study, we dive deep into the inconsistency of pseudo targets in semi-supervised object detection (SSOD). Our core observation is that the oscillating pseudo-targets undermine the training of an accurate detector. It injects noise…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Xinjiang Wang , Xingyi Yang , Shilong Zhang , Yijiang Li , Litong Feng , Shijie Fang , Chengqi Lyu , Kai Chen , Wayne Zhang

Training accurate 3D human pose estimators requires large amount of 3D ground-truth data which is costly to collect. Various weakly or self supervised pose estimation methods have been proposed due to lack of 3D data. Nevertheless, these…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Muhammed Kocabas , Salih Karagoz , Emre Akbas

This paper presents an end-to-end semi-supervised object detection approach, in contrast to previous more complex multi-stage methods. The end-to-end training gradually improves pseudo label qualities during the curriculum, and the more and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Mengde Xu , Zheng Zhang , Han Hu , Jianfeng Wang , Lijuan Wang , Fangyun Wei , Xiang Bai , Zicheng Liu

Recent advances in deep learning significantly boost the performance of salient object detection (SOD) at the expense of labeling larger-scale per-pixel annotations. To relieve the burden of labor-intensive labeling, deep unsupervised SOD…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Pengxiang Yan , Ziyi Wu , Mengmeng Liu , Kun Zeng , Liang Lin , Guanbin Li

Despite the remarkable performance of supervised medical image segmentation models, relying on a large amount of labeled data is impractical in real-world situations. Semi-supervised learning approaches aim to alleviate this challenge using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Yunyao Lu , Yihang Wu , Ahmad Chaddad , Tareef Daqqaq , Reem Kateb

Semi-supervised learning, i.e. jointly learning from labeled and unlabeled samples, is an active research topic due to its key role on relaxing human supervision. In the context of image classification, recent advances to learn from…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Eric Arazo , Diego Ortego , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Bottom-up based multi-person pose estimation approaches use heatmaps with auxiliary predictions to estimate joint positions and belonging at one time. Recently, various combinations between auxiliary predictions and heatmaps have been…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Haiyang Liu , Dingli Luo , Songlin Du , Takeshi Ikenaga

Employing clustering strategy to assign unlabeled target images with pseudo labels has become a trend for person re-identification (re-ID) algorithms in domain adaptation. A potential limitation of these clustering-based methods is that…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Suncheng Xiang , Yuzhuo Fu , Mengyuan Guan , Ting Liu

Learning and improving large language models through human preference feedback has become a mainstream approach, but it has rarely been applied to the field of low-light image enhancement. Existing low-light enhancement evaluations…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Jun Yin , Yangfan He , Miao Zhang , Pengyu Zeng , Tianyi Wang , Shuai Lu , Xueqian Wang

Semi-supervised 3D object detection is a promising yet under-explored direction to reduce data annotation costs, especially for cluttered indoor scenes. A few prior works, such as SESS and 3DIoUMatch, attempt to solve this task by utilizing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yucheng Han , Na Zhao , Weiling Chen , Keng Teck Ma , Hanwang Zhang

State-of-the-art 3D object detectors are usually trained on large-scale datasets with high-quality 3D annotations. However, such 3D annotations are often expensive and time-consuming, which may not be practical for real applications. A…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Chuandong Liu , Chenqiang Gao , Fangcen Liu , Pengcheng Li , Deyu Meng , Xinbo Gao

Semi-supervised domain adaptation (SSDA) adapts a learner to a new domain by effectively utilizing source domain data and a few labeled target samples. It is a practical yet under-investigated research topic. In this paper, we analyze the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Wenqiao Zhang , Changshuo Liu , Can Cui , Beng Chin Ooi