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Multi-label image classification presents a challenging task in many domains, including computer vision and medical imaging. Recent advancements have introduced graph-based and transformer-based methods to improve performance and capture…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Ahmad Sajedi , Samir Khaki , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

Partial label learning is a type of weakly supervised learning, where each training instance corresponds to a set of candidate labels, among which only one is true. In this paper, we introduce ProPaLL, a novel probabilistic approach to this…

Machine Learning · Computer Science 2022-08-23 Łukasz Struski , Jacek Tabor , Bartosz Zieliński

Partial-label learning (PLL) relies on a key assumption that the true label of each training example must be in the candidate label set. This restrictive assumption may be violated in complex real-world scenarios, and thus the true label of…

Machine Learning · Computer Science 2023-12-12 Shuo He , Lei Feng , Guowu Yang

We address learning from positive and unlabeled (PU) data, a common setting in which only some positives are labeled and the rest are mixed with negatives. Classical exponential tilting models guarantee identifiability by assuming a linear…

Methodology · Statistics 2025-08-19 Peijun Sang , Yifan Sun , Qinglong Tian , Donglin Zeng , Pengfei Li

Supervised classification approaches can predict labels for unknown data because of the supervised training process. The success of classification is heavily dependent on the labeled training data. Differently, clustering is effective in…

Machine Learning · Computer Science 2015-02-19 Fangfang Li , Guandong Xu , Longbing Cao

We introduce the "Incremental Implicitly-Refined Classi-fication (IIRC)" setup, an extension to the class incremental learning setup where the incoming batches of classes have two granularity levels. i.e., each sample could have a…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Mohamed Abdelsalam , Mojtaba Faramarzi , Shagun Sodhani , Sarath Chandar

Real-world data often contains intrinsic ambiguity that the common single-hard-label annotation paradigm ignores. Standard training using ambiguous data with these hard labels may produce overly confident models and thus leading to poor…

Machine Learning · Computer Science 2025-01-09 Zeke Xie , Zheng He , Nan Lu , Lichen Bai , Bao Li , Shuo Yang , Mingming Sun , Ping Li

A weakly-supervised learning framework named as complementary-label learning has been proposed recently, where each sample is equipped with a single complementary label that denotes one of the classes the sample does not belong to. However,…

Machine Learning · Statistics 2020-07-24 Yuzhou Cao , Shuqi Liu , Yitian Xu

In this paper, we consider the matrix completion problem when the observations are one-bit measurements of some underlying matrix M, and in particular the observed samples consist only of ones and no zeros. This problem is motivated by…

Machine Learning · Computer Science 2014-11-25 Cho-Jui Hsieh , Nagarajan Natarajan , Inderjit S. Dhillon

The binary classification problem has a situation where only biased data are observed in one of the classes. In this paper, we propose a new method to approach the positive and biased negative (PbN) classification problem, which is a weakly…

Methodology · Statistics 2025-10-28 Shotaro Watanabe , Hidetoshi Matsui

Deep learning models have achieved state-of-the-art performance in many computer vision tasks. However, in real-world scenarios, novel classes that were unseen during training often emerge, requiring models to acquire new knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Lucas Rakotoarivony

In recent years, significant progress has been made in the field of learning from positive and unlabeled examples (PU learning), particularly in the context of advancing image and text classification tasks. However, applying PU learning to…

Image and Video Processing · Electrical Eng. & Systems 2024-05-08 Yan Zhang , Chun Li , Zhaoxia Liu , Ming Li

Existing multi-label ranking (MLR) frameworks only exploit information deduced from the bipartition of labels into positive and negative sets. Therefore, they do not benefit from ranking among positive labels, which is the novel MLR…

Machine Learning · Computer Science 2025-09-12 V. Bugra Yesilkaynak , Emine Dari , Alican Mertan , Gozde Unal

Recent releases of Large Language Models (LLMs), e.g. ChatGPT, are astonishing at generating human-like texts, but they may impact the authenticity of texts. Previous works proposed methods to detect these AI-generated texts, including…

Computation and Language · Computer Science 2024-03-06 Yuchuan Tian , Hanting Chen , Xutao Wang , Zheyuan Bai , Qinghua Zhang , Ruifeng Li , Chao Xu , Yunhe Wang

In this work, we explore the way to perform named entity recognition (NER) using only unlabeled data and named entity dictionaries. To this end, we formulate the task as a positive-unlabeled (PU) learning problem and accordingly propose a…

Computation and Language · Computer Science 2019-06-12 Minlong Peng , Xiaoyu Xing , Qi Zhang , Jinlan Fu , Xuanjing Huang

We introduce MetaICL (Meta-training for In-Context Learning), a new meta-training framework for few-shot learning where a pretrained language model is tuned to do in-context learning on a large set of training tasks. This meta-training…

Computation and Language · Computer Science 2022-05-04 Sewon Min , Mike Lewis , Luke Zettlemoyer , Hannaneh Hajishirzi

Partial Label Learning (PLL) is a type of weakly supervised learning where each training instance is assigned a set of candidate labels, but only one label is the ground-truth. However, this idealistic assumption may not always hold due to…

Machine Learning · Computer Science 2023-09-01 Yu Shi , Dong-Dong Wu , Xin Geng , Min-Ling Zhang

We explore a novel approach to semi-supervised learning. This approach is contrary to the common approach in that the unlabeled examples serve to "muffle," rather than enhance, the guidance provided by the labeled examples. We provide…

Machine Learning · Computer Science 2016-05-31 Akshay Balsubramani , Yoav Freund

Deep vision models often rely on biases learned from spurious correlations in datasets. To identify these biases, methods that interpret high-level, human-understandable concepts are more effective than those relying primarily on low-level…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 David Méndez , Gianpaolo Bontempo , Elisa Ficarra , Roberto Confalonieri , Natalia Díaz-Rodríguez

Semi-supervised learning is attracting blooming attention, due to its success in combining unlabeled data. However, pseudo-labeling-based semi-supervised approaches suffer from two problems in image classification: (1) Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Xuerong Zhang , Li Huang , Jing Lv , Ming Yang