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Related papers: Multispectral Pedestrian Detection with Sparsely A…

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We present a new method for training pedestrian detectors on an unannotated set of images. We produce a mixed reality dataset that is composed of real-world background images and synthetically generated static human-agents. Our approach is…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Ernest C. Cheung , Tsan Kwong Wong , Aniket Bera , Dinesh Manocha

Deep learning has greatly advanced medical image segmentation, but its success relies heavily on fully supervised learning, which requires dense annotations that are costly and time-consuming for 3D volumetric scans. Barely-supervised…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Shuang Zeng , Boxu Xie , Lei Zhu , Xinliang Zhang , Jiakui Hu , Zhengjian Yao , Yuanwei Li , Yuxing Lu , Yanye Lu

Current 3D object detection methods heavily rely on an enormous amount of annotations. Semi-supervised learning can be used to alleviate this issue. Previous semi-supervised 3D object detection methods directly follow the practice of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Xiaopei Wu , Yang Zhao , Liang Peng , Hua Chen , Xiaoshui Huang , Binbin Lin , Haifeng Liu , Deng Cai , Wanli Ouyang

Semi-supervised domain adaptation (SSDA) presents a critical hurdle in computer vision, especially given the frequent scarcity of labeled data in real-world settings. This scarcity often causes foundation models, trained on extensive…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Ali Mottaghi , Mohammad Abdullah Jamal , Serena Yeung , Omid Mohareri

Recent attention has been devoted to the pursuit of learning semantic segmentation models exclusively from image tags, a paradigm known as image-level Weakly Supervised Semantic Segmentation (WSSS). Existing attempts adopt the Class…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Ye Du , Zehua Fu , Qingjie Liu

Semi-Supervised Domain Adaptation (SSDA) is a recently emerging research topic that extends from the widely-investigated Unsupervised Domain Adaptation (UDA) by further having a few target samples labeled, i.e., the model is trained with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 mengqun Jin , Kai Li , Shuyan Li , Chunming He , Xiu Li

Monocular 3D object detection (M3OD) has long faced challenges due to data scarcity caused by high annotation costs and inherent 2D-to-3D ambiguity. Although various weakly supervised methods and pseudo-labeling methods have been proposed…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Seokyeong Lee , Sithu Aung , Junyong Choi , Seungryong Kim , Ig-Jae Kim , Junghyun Cho

Advanced Driver Assistance Systems (ADAS) have made significant strides, capitalizing on computer vision to enhance perception and decision-making capabilities. Nonetheless, the adaptation of these systems to diverse traffic scenarios poses…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Harshith Mohan Kumar , Sean Lawrence

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…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Lei Zhang , Yuxuan Sun , Wei Wei

This paper addresses the problem of unsupervised domain adaptation on the task of pedestrian detection in crowded scenes. First, we utilize an iterative algorithm to iteratively select and auto-annotate positive pedestrian samples with high…

Computer Vision and Pattern Recognition · Computer Science 2018-02-12 Lihang Liu , Weiyao Lin , Lisheng Wu , Yong Yu , Michael Ying Yang

The difficulty of pixel-level annotation has significantly hindered the development of the Camouflaged Object Detection (COD) field. To save on annotation costs, previous works leverage the semi-supervised COD framework that relies on a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Weiqi Yan , Lvhai Chen , Shengchuan Zhang , Yan Zhang , Liujuan Cao

Recently, an intriguing research trend for automatic target recognition (ATR) from synthetic aperture radar (SAR) imagery has arisen: using simulated data to train ATR models is a feasible solution to the issue of inadequate measured data.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Xinzheng Zhang , Hui Zhu , Hongqian Zhuang

Pseudo-Labeling has emerged as a simple yet effective technique for semi-supervised object detection (SSOD). However, the inevitable noise problem in pseudo-labels significantly degrades the performance of SSOD methods. Recent advances…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Yulin He , Wei Chen , Ke Liang , Yusong Tan , Zhengfa Liang , Yulan Guo

Semantic segmentation requires dense pixel-level annotations, which are costly and time-consuming to acquire. To address this, we present SeSAM, a framework that uses a foundational segmentation model, i.e. Segment Anything Model (SAM),…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Anurag Das , Anna Kukleva , Xinting Hu , Yuki M. Asano , Bernt Schiele

Existing CNNs-based salient object detection (SOD) heavily depends on the large-scale pixel-level annotations, which is labor-intensive, time-consuming, and expensive. By contrast, the sparse annotations become appealing to the salient…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Zhou Huang , Tian-Zhu Xiang , Huai-Xin Chen , Hang Dai

Manual annotation of soiling on surround view cameras is a very challenging and expensive task. The unclear boundary for various soiling categories like water drops or mud particles usually results in a large variance in the annotation…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Michal Uricar , Ganesh Sistu , Lucie Yahiaoui , Senthil Yogamani

The deployment of automated pavement defect detection is often hindered by poor cross-domain generalization. Supervised detectors achieve strong in-domain accuracy but require costly re-annotation for new environments, while standard…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Xi Xiao , Zhuxuanzi Wang , Mingqiao Mo , Chen Liu , Chenrui Ma , Yanshu Li , Smita Krishnaswamy , Xiao Wang , Tianyang Wang

Accurate, high-resolution, and real-time DOA estimation is a cornerstone of environmental perception in automotive radar systems. While sparse signal recovery techniques offer super-resolution and high-precision estimation, their…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Longxin Bai , Jingchao Zhang , Liyan Qiao

Semi-supervised anomaly detection is a common problem, as often the datasets containing anomalies are partially labeled. We propose a canonical framework: Semi-supervised Pseudo-labeler Anomaly Detection with Ensembling (SPADE) that isn't…

Machine Learning · Computer Science 2022-12-02 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Tomas Pfister

With basic Semi-Supervised Object Detection (SSOD) techniques, one-stage detectors generally obtain limited promotions compared with two-stage clusters. We experimentally find that the root lies in two kinds of ambiguities: (1) Selection…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Chang Liu , Weiming Zhang , Xiangru Lin , Wei Zhang , Xiao Tan , Junyu Han , Xiaomao Li , Errui Ding , Jingdong Wang