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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

Unknown Object Detection (UOD) aims to identify objects of unseen categories, differing from the traditional detection paradigm limited by the closed-world assumption. A key component of UOD is learning a generalized representation, i.e.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Haomiao Liu , Hao Xu , Chuhuai Yue , Bo Ma

Accurate school detection is essential for supporting education initiatives, including infrastructure planning and expanding internet connectivity to underserved areas. However, many regions around the world face challenges due to outdated,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Zakarya Elmimouni , Fares Fourati , Mohamed-Slim Alouini

3D object trackers usually require training on large amounts of annotated data that is expensive and time-consuming to collect. Instead, we propose leveraging vast unlabeled datasets by self-supervised metric learning of 3D object trackers,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Jianren Wang , Siddharth Ancha , Yi-Ting Chen , David Held

We present a semi-supervised approach that localizes multiple unknown object instances in long videos. We start with a handful of labeled boxes and iteratively learn and label hundreds of thousands of object instances. We propose criteria…

Computer Vision and Pattern Recognition · Computer Science 2015-05-22 Ishan Misra , Abhinav Shrivastava , Martial Hebert

Perceiving the world and forecasting its future state is a critical task for self-driving. Supervised approaches leverage annotated object labels to learn a model of the world -- traditionally with object detections and trajectory…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Ben Agro , Quinlan Sykora , Sergio Casas , Thomas Gilles , Raquel Urtasun

Obtaining annotations for complex computer vision tasks such as object detection is an expensive and time-intense endeavor involving a large number of human workers or expert opinions. Reducing the amount of annotations required while…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Marius Schubert , Tobias Riedlinger , Karsten Kahl , Matthias Rottmann

Weakly-supervised object detection attempts to limit the amount of supervision by dispensing the need for bounding boxes, but still assumes image-level labels on the entire training set. In this work, we study the problem of training an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Zhaohui Yang , Miaojing Shi , Chao Xu , Vittorio Ferrari , Yannis Avrithis

Convolutional neural networks (CNNs) have shown great performance as general feature representations for object recognition applications. However, for multi-label images that contain multiple objects from different categories, scales and…

Computer Vision and Pattern Recognition · Computer Science 2016-06-06 Hao Yang , Joey Tianyi Zhou , Yu Zhang , Bin-Bin Gao , Jianxin Wu , Jianfei Cai

Monocular 3D object detection has become a mainstream approach in automatic driving for its easy application. A prominent advantage is that it does not need LiDAR point clouds during the inference. However, most current methods still rely…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Runzhou Tao , Wencheng Han , Zhongying Qiu , Cheng-zhong Xu , Jianbing Shen

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…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Chenqiang Gao , Chuandong Liu , Jun Shu , Fangcen Liu , Jiang Liu , Luyu Yang , Xinbo Gao , Deyu Meng

As we move towards large-scale object detection, it is unrealistic to expect annotated training data, in the form of bounding box annotations around objects, for all object classes at sufficient scale, and so methods capable of unseen…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Pengkai Zhu , Hanxiao Wang , Venkatesh Saligrama

Despite powering sensitive systems like autonomous vehicles, object detection remains fairly brittle in part due to annotation errors that plague most real-world training datasets. We propose ObjectLab, a straightforward algorithm to detect…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ulyana Tkachenko , Aditya Thyagarajan , Jonas Mueller

Accurately estimating the orientation of visual objects with compact rotated bounding boxes (RBoxes) has become a prominent demand, which challenges existing object detection paradigms that only use horizontal bounding boxes (HBoxes). To…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Yi Yu , Xue Yang , Yansheng Li , Zhenjun Han , Feipeng Da , Junchi Yan

To safely deploy autonomous vehicles, onboard perception systems must work reliably at high accuracy across a diverse set of environments and geographies. One of the most common techniques to improve the efficacy of such systems in new…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Benjamin Caine , Rebecca Roelofs , Vijay Vasudevan , Jiquan Ngiam , Yuning Chai , Zhifeng Chen , Jonathon Shlens

Unsupervised and open-vocabulary 3D object detection has recently gained attention, particularly in autonomous driving, where reducing annotation costs and recognizing unseen objects are critical for both safety and scalability. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 In-Jae Lee , Mungyeom Kim , Kwonyoung Ryu , Pierre Musacchio , Jaesik Park

Training deep object detectors requires significant amount of human-annotated images with accurate object labels and bounding box coordinates, which are extremely expensive to acquire. Noisy annotations are much more easily accessible, but…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Junnan Li , Caiming Xiong , Richard Socher , Steven Hoi

Object detectors are typically learned on fully-annotated training data with fixed predefined categories. However, categories are often required to be increased progressively. Usually, only the original training set annotated with old…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Bowen Zhao , Chen Chen , Xi Xiao , Shutao Xia

Monocular 3D object detection has achieved impressive performance on densely annotated datasets. However, it struggles when only a fraction of objects are labeled due to the high cost of 3D annotation. This sparsely annotated setting is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Junyoung Jung , Seokwon Kim , Jung Uk Kim

Universal lesion detection has great value for clinical practice as it aims to detect various types of lesions in multiple organs on medical images. Deep learning methods have shown promising results, but demanding large volumes of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Xiaoyu Bai , Benteng Ma , Changyang Li , Yong Xia