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Multiple Instance Learning (MIL) is a weak supervision learning paradigm that allows modeling of machine learning problems in which labels are available only for groups of examples called bags. A positive bag may contain one or more…

Machine Learning · Computer Science 2019-10-29 Amina Asif , Fayyaz ul Amir Afsar Minhas

Multiple instance learning (MIL) is a variation of supervised learning where a single class label is assigned to a bag of instances. In this paper, we state the MIL problem as learning the Bernoulli distribution of the bag label where the…

Machine Learning · Computer Science 2018-06-29 Maximilian Ilse , Jakub M. Tomczak , Max Welling

Multiple Instance Learning (MIL) is a weakly-supervised problem in which one label is assigned to the whole bag of instances. An important class of MIL models is instance-based, where we first classify instances and then aggregate those…

Image and Video Processing · Electrical Eng. & Systems 2024-03-13 Łukasz Struski , Dawid Rymarczyk , Arkadiusz Lewicki , Robert Sabiniewicz , Jacek Tabor , Bartosz Zieliński

Multiple instance learning (MIL) problem is currently solved from either bag-classification or instance-classification perspective, both of which ignore important information contained in some instances and result in limited performance.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Yingfan Ma , Xiaoyuan Luo , Mingzhi Yuan , Xinrong Chen , Manning Wang

Multi-instance learning (MIL) deals with objects represented as bags of instances and can predict instance labels from bag-level supervision. However, significant performance gaps exist between instance-level MIL algorithms and supervised…

Machine Learning · Computer Science 2022-10-06 Weijia Zhang , Xuanhui Zhang , Han-Wen Deng , Min-Ling Zhang

Multiple Instance Learning (MIL) offers a natural solution for settings where only coarse, bag-level labels are available, without having access to instance-level annotations. This is usually the case in digital pathology, which consists of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Andreas Lolos , Stergios Christodoulidis , Aris L. Moustakas , Jose Dolz , Maria Vakalopoulou

Multiple Instance Learning is the predominant method for Whole Slide Image classification in digital pathology, enabling the use of slide-level labels to supervise model training. Although MIL eliminates the tedious fine-grained annotation…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Chen Shu , Boyu Fu , Yiman Li , Ting Yin , Wenchuan Zhang , Jie Chen , Yuhao Yi , Hong Bu

Weakly supervised whole slide image classification is usually formulated as a multiple instance learning (MIL) problem, where each slide is treated as a bag, and the patches cut out of it are treated as instances. Existing methods either…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Linhao Qu , Yingfan Ma , Xiaoyuan Luo , Manning Wang , Zhijian Song

The Multiple Instance Learning (MIL) paradigm is attracting plenty of attention in medical imaging classification, where labeled data is scarce. MIL methods cast medical images as bags of instances (e.g. patches in whole slide images, or…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Francisco M. Castro-Macías , Pablo Morales-Álvarez , Yunan Wu , Rafael Molina , Aggelos K. Katsaggelos

Recently neural networks and multiple instance learning are both attractive topics in Artificial Intelligence related research fields. Deep neural networks have achieved great success in supervised learning problems, and multiple instance…

Machine Learning · Statistics 2020-04-08 Xinggang Wang , Yongluan Yan , Peng Tang , Xiang Bai , Wenyu Liu

Multi-Instance Learning (MIL) is pivotal for analyzing complex, weakly labeled datasets, such as whole-slide images (WSIs) in computational pathology, where bags comprise unordered collections of instances with sparse diagnostic relevance.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yuedi Zhang , Zhixiang Xia , Guosheng Yin , Bin Liu

Multi-instance learning (MIL) is a form of weakly supervised learning where a single class label is assigned to a bag of instances while the instance-level labels are not available. Training classifiers to accurately determine the bag label…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Bin Li , Kevin W. Eliceiri

When applying multi-instance learning (MIL) to make predictions for bags of instances, the prediction accuracy of an instance often depends on not only the instance itself but also its context in the corresponding bag. From the viewpoint of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Tiancheng Lin , Hongteng Xu , Canqian Yang , Yi Xu

Strongly supervised learning requires detailed knowledge of truth labels at instance levels, and in many machine learning applications this is a major drawback. Multiple instance learning (MIL) is a popular weakly supervised learning method…

Machine Learning · Computer Science 2022-02-18 Saul Fuster , Trygve Eftestøl , Kjersti Engan

Multi-instance learning (MIL) is an effective paradigm for whole-slide pathological images (WSIs) classification to handle the gigapixel resolution and slide-level label. Prevailing MIL methods primarily focus on improving the feature…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Tiancheng Lin , Zhimiao Yu , Hongyu Hu , Yi Xu , Chang Wen Chen

Of late, weakly supervised object detection is with great importance in object recognition. Based on deep learning, weakly supervised detectors have achieved many promising results. However, compared with fully supervised detection, it is…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Peng Tang , Xinggang Wang , Xiang Bai , Wenyu Liu

Multiple instance learning (MIL) is a framework for weakly supervised classification, where labels are assigned to sets of instances, i.e., bags, rather than to individual data points. This paradigm has proven effective in tasks where…

Machine Learning · Computer Science 2026-03-03 Salome Kazeminia , Carsten Marr , Bastian Rieck

Multi-Instance Learning(MIL) aims to learn the mapping between a bag of instances and the bag-level label. Therefore, the relationships among instances are very important for learning the mapping. In this paper, we propose an MIL algorithm…

Machine Learning · Computer Science 2021-02-04 Yangling Ma , Zhouwang Yang

Traditional supervised learning tasks require a label for every instance in the training set, but in many real-world applications, labels are only available for collections (bags) of instances. This problem setting, known as multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Georg Wölflein , Lucie Charlotte Magister , Pietro Liò , David J. Harrison , Ognjen Arandjelović

Multiple instance learning (MIL) is concerned with learning from sets (bags) of objects (instances), where the individual instance labels are ambiguous. In this setting, supervised learning cannot be applied directly. Often, specialized MIL…

Machine Learning · Statistics 2014-12-04 Veronika Cheplygina , David M. J. Tax , Marco Loog
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