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相关论文: Object Detection as a Positive-Unlabeled Problem

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Document-level relation extraction (RE) aims to identify relations between entities across multiple sentences. Most previous methods focused on document-level RE under full supervision. However, in real-world scenario, it is expensive and…

计算与语言 · 计算机科学 2022-10-25 Ye Wang , Xinxin Liu , Wenxin Hu , Tao Zhang

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…

计算机视觉与模式识别 · 计算机科学 2016-05-19 Alexander Kolesnikov , Christoph H. Lampert

When dealing with binary classification of data with only one labeled class data scientists employ two main approaches, namely One-Class (OC) classification and Positive Unlabeled (PU) learning. The former only learns from labeled positive…

机器学习 · 计算机科学 2022-03-15 Farid Bagirov , Dmitry Ivanov , Aleksei Shpilman

The quality of training datasets for deep neural networks is a key factor contributing to the accuracy of resulting models. This effect is amplified in difficult tasks such as object detection. Dealing with errors in datasets is often…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Krystian Chachuła , Jakub Łyskawa , Bartłomiej Olber , Piotr Frątczak , Adam Popowicz , Krystian Radlak

Based on the Distributed Convolutional Neural Network(DisCNN), a straightforward object detection method is proposed. The modules of the output vector of a DisCNN with respect to a specific positive class are positively monotonic with the…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Liang Sun

Positive-Unlabeled (PU) learning is an analog to supervised binary classification for the case when only the positive sample is clean, while the negative sample is contaminated with latent instances of positive class and hence can be…

机器学习 · 计算机科学 2020-06-09 Dmitry Ivanov

Labeling datasets for supervised object detection is a dull and time-consuming task. Errors can be easily introduced during annotation and overlooked during review, yielding inaccurate benchmarks and performance degradation of deep neural…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Marius Schubert , Tobias Riedlinger , Karsten Kahl , Daniel Kröll , Sebastian Schoenen , Siniša Šegvić , Matthias Rottmann

Positive-unlabeled (PU) learning deals with binary classification problems when only positive (P) and unlabeled (U) data are available. Many recent PU methods are based on neural networks, but little has been done to develop boosting…

机器学习 · 计算机科学 2022-12-08 Yawen Zhao , Mingzhe Zhang , Chenhao Zhang , Weitong Chen , Nan Ye , Miao Xu

We consider the situation in which a user has collected a small set of documents on a cohesive topic, and they want to retrieve additional documents on this topic from a large collection. Information Retrieval (IR) solutions treat the…

计算与语言 · 计算机科学 2021-01-18 Alon Jacovi , Gang Niu , Yoav Goldberg , Masashi Sugiyama

We study the robustness of object detection under the presence of missing annotations. In this setting, the unlabeled object instances will be treated as background, which will generate an incorrect training signal for the detector.…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Zhe Wu , Navaneeth Bodla , Bharat Singh , Mahyar Najibi , Rama Chellappa , Larry S. Davis

Positive unlabeled learning is a binary classification problem with positive and unlabeled data. It is common in domains where negative labels are costly or impossible to obtain, e.g., medicine and personalized advertising. Most approaches…

机器学习 · 计算机科学 2023-07-21 Bojan Žunkovič

Positive and Unlabeled (PU) learning, a binary classification model trained with only positive and unlabeled data, generally suffers from overfitted risk estimation due to inconsistent data distributions. To address this, we introduce a…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Chengjie Wang , Chengming Xu , Zhenye Gan , Jianlong Hu , Wenbing Zhu , Lizhuag Ma

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…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Yulin He , Wei Chen , Ke Liang , Yusong Tan , Zhengfa Liang , Yulan Guo

Progress has been achieved recently in object detection given advancements in deep learning. Nevertheless, such tools typically require a large amount of training data and significant manual effort to label objects. This limits their…

机器人学 · 计算机科学 2017-08-04 Chaitanya Mitash , Kostas E. Bekris , Abdeslam Boularias

Reliable uncertainty estimation is crucial for robust object detection in autonomous driving. However, previous works on probabilistic object detection either learn predictive probability for bounding box regression in an un-supervised…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Di Feng , Lars Rosenbaum , Fabian Timm , Klaus Dietmayer

The success of modern deep learning algorithms for image segmentation heavily depends on the availability of large datasets with clean pixel-level annotations (masks), where the objects of interest are accurately delineated. Lack of time…

计算机视觉与模式识别 · 计算机科学 2021-02-17 Ekaterina Redekop , Alexey Chernyavskiy

Positive-unlabeled (PU) learning aims to train a classifier using the data containing only labeled-positive instances and unlabeled instances. However, existing PU learning methods are generally hard to achieve satisfactory performance on…

机器学习 · 统计学 2024-06-03 Xiaoke Wang , Xiaochen Yang , Rui Zhu , Jing-Hao Xue

In a variety of settings, limitations of sensing technologies or other sampling mechanisms result in missing labels, where the likelihood of a missing label in the training set is an unknown function of the data. For example, satellites…

机器学习 · 统计学 2021-03-26 Hyebin Song , Garvesh Raskutti , Rebecca Willett

Positive-unlabeled (PU) learning trains a binary classifier using only positive and unlabeled data. A common simplifying assumption is that the positive data is representative of the target positive class. This assumption rarely holds in…

机器学习 · 计算机科学 2020-11-10 Zayd Hammoudeh , Daniel Lowd

Recent open-vocabulary detection methods aim to detect novel objects by distilling knowledge from vision-language models (VLMs) trained on a vast amount of image-text pairs. To improve the effectiveness of these methods, researchers have…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Han-Cheol Cho , Won Young Jhoo , Wooyoung Kang , Byungseok Roh