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Weakly-supervised object localization methods tend to fail for object classes that consistently co-occur with the same background elements, e.g. trains on tracks. We propose a method to overcome these failures by adding a very small amount…

Computer Vision and Pattern Recognition · Computer Science 2016-05-19 Alexander Kolesnikov , Christoph H. Lampert

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

Weakly supervised object localization (WSOL) aims to localize objects by only utilizing image-level labels. Class activation maps (CAMs) are the commonly used features to achieve WSOL. However, previous CAM-based methods did not take full…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Jun Wei , Qin Wang , Zhen Li , Sheng Wang , S. Kevin Zhou , Shuguang Cui

Existing weakly-supervised semantic segmentation methods using image-level annotations typically rely on initial responses to locate object regions. However, such response maps generated by the classification network usually focus on…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

Semi-supervised 3D object detection from point cloud aims to train a detector with a small number of labeled data and a large number of unlabeled data. The core of existing methods lies in how to select high-quality pseudo-labels using the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 ChuXin Wang , Wenfei Yang , Tianzhu Zhang

The increasing prominence of weakly labeled data nurtures a growing demand for object detection methods that can cope with minimal supervision. We propose an approach that automatically identifies discriminative configurations of visual…

Computer Vision and Pattern Recognition · Computer Science 2014-06-26 Hyun Oh Song , Yong Jae Lee , Stefanie Jegelka , Trevor Darrell

We consider the task of semi-supervised video object segmentation (VOS). Our approach mitigates shortcomings in previous VOS work by addressing detail preservation and temporal consistency using visual warping. In contrast to prior work…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Julia Gong , F. Christopher Holsinger , Serena Yeung

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

Various strategies for label-scarce object detection have been explored by the computer vision research community. These strategies mainly rely on assumptions that are specific to natural images and not directly applicable to the biological…

Open World Object Detection (OWOD) is a new and challenging computer vision task that bridges the gap between classic object detection (OD) benchmarks and object detection in the real world. In addition to detecting and classifying…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Orr Zohar , Kuan-Chieh Wang , Serena Yeung

While modern visual recognition systems have made significant advancements, many continue to struggle with the open problem of learning from few exemplars. This paper focuses on the task of object detection in the setting where object…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Phi Vu Tran

We propose an approach for unsupervised adaptation of object detectors from label-rich to label-poor domains which can significantly reduce annotation costs associated with detection. Recently, approaches that align distributions of source…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Kuniaki Saito , Yoshitaka Ushiku , Tatsuya Harada , Kate Saenko

Weakly supervised semantic segmentation (WSSS) trains dense pixel-level segmentation models from partial or coarse annotations such as bounding boxes, scribbles, or image-level tags. While recent work leverages foundation models such as the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Stefano Colamonaco , Andrei-Bogdan Florea , Jaron Maene

Object detection under imperfect data receives great attention recently. Weakly supervised object detection (WSOD) suffers from severe localization issues due to the lack of instance-level annotation, while semi-supervised object detection…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Hanjun Li , Xingjia Pan , Ke Yan , Fan Tang , Wei-Shi Zheng

Conventional training of deep neural networks requires a large number of the annotated image which is a laborious and time-consuming task, particularly for rare objects. Few-shot object detection (FSOD) methods offer a remedy by realizing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zeyu Shangguan , Mohammad Rostami

Semi-supervised learning (SSL) has a potential to improve the predictive performance of machine learning models using unlabeled data. Although there has been remarkable recent progress, the scope of demonstration in SSL has mainly been on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Kihyuk Sohn , Zizhao Zhang , Chun-Liang Li , Han Zhang , Chen-Yu Lee , Tomas Pfister

Conventional few-shot object segmentation methods learn object segmentation from a few labelled support images with strongly labelled segmentation masks. Recent work has shown to perform on par with weaker levels of supervision in terms of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Mennatullah Siam , Naren Doraiswamy , Boris N. Oreshkin , Hengshuai Yao , Martin Jagersand

Weakly supervised semantic segmentation aims to achieve pixel-level predictions using image-level labels. Existing methods typically entangle semantic recognition and object localization, which often leads models to focus exclusively on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Qingze He , Fagui Liu , Dengke Zhang , Qingmao Wei , Quan Tang

I present the Lower Biased Teacher model, an enhancement of the Unbiased Teacher model, specifically tailored for semi-supervised object detection tasks. The primary innovation of this model is the integration of a localization loss into…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Shuang Wang

Amodal perception requires inferring the full shape of an object that is partially occluded. This task is particularly challenging on two levels: (1) it requires more information than what is contained in the instant retina or imaging…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Jian Yao , Yuxin Hong , Chiyu Wang , Tianjun Xiao , Tong He , Francesco Locatello , David Wipf , Yanwei Fu , Zheng Zhang