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Rooting in the scarcity of most attributes, realistic pedestrian attribute datasets exhibit unduly skewed data distribution, from which two types of model failures are delivered: (1) label imbalance: model predictions lean greatly towards…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Yibo Zhou , Hai-Miao Hu , Yirong Xiang , Xiaokang Zhang , Haotian Wu

Zero-shot learning has received increasing interest as a means to alleviate the often prohibitive expense of annotating training data for large scale recognition problems. These methods have achieved great success via learning intermediate…

Machine Learning · Computer Science 2015-03-27 Yanwei Fu , Yongxin Yang , Tim Hospedales , Tao Xiang , Shaogang Gong

Label spreading is a general technique for semi-supervised learning with point cloud or network data, which can be interpreted as a diffusion of labels on a graph. While there are many variants of label spreading, nearly all of them are…

Machine Learning · Computer Science 2020-06-09 Francesco Tudisco , Austin R. Benson , Konstantin Prokopchik

We propose the new problem of choosing which dense retrieval model to use when searching on a new collection for which no labels are available, i.e. in a zero-shot setting. Many dense retrieval models are readily available. Each model…

Information Retrieval · Computer Science 2023-09-19 Ekaterina Khramtsova , Shengyao Zhuang , Mahsa Baktashmotlagh , Xi Wang , Guido Zuccon

We show that label noise exists in adversarial training. Such label noise is due to the mismatch between the true label distribution of adversarial examples and the label inherited from clean examples - the true label distribution is…

Machine Learning · Computer Science 2023-10-17 Chengyu Dong , Liyuan Liu , Jingbo Shang

Diffusion models have achieved excellent success in solving inverse problems due to their ability to learn strong image priors, but existing approaches require a large training dataset of images that should come from the same distribution…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Jason Hu , Bowen Song , Jeffrey A. Fessler , Liyue Shen

Deep clustering, which learns representation and semantic clustering without labels information, poses a great challenge for deep learning-based approaches. Despite significant progress in recent years, most existing methods focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Chuyu Zhang , Hui Ren , Xuming He

Few-shot node classification is tasked to provide accurate predictions for nodes from novel classes with only few representative labeled nodes. This problem has drawn tremendous attention for its projection to prevailing real-world…

Machine Learning · Computer Science 2022-12-13 Zhen Tan , Song Wang , Kaize Ding , Jundong Li , Huan Liu

This paper deals with the unsupervised domain adaptation problem, where one wants to estimate a prediction function $f$ in a given target domain without any labeled sample by exploiting the knowledge available from a source domain where…

Machine Learning · Statistics 2017-10-24 Nicolas Courty , Rémi Flamary , Amaury Habrard , Alain Rakotomamonjy

Multi-label zero-shot classification aims to predict multiple unseen class labels for an input image. It is more challenging than its single-label counterpart. On one hand, the unconstrained number of labels assigned to each image makes the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 He Huang , Yuanwei Chen , Wei Tang , Wenhao Zheng , Qing-Guo Chen , Yao Hu , Philip Yu

Recent work has uncovered the interesting (and somewhat surprising) finding that training models to be invariant to adversarial perturbations requires substantially larger datasets than those required for standard classification. This…

Machine Learning · Computer Science 2019-12-06 Jonathan Uesato , Jean-Baptiste Alayrac , Po-Sen Huang , Robert Stanforth , Alhussein Fawzi , Pushmeet Kohli

We study the domain adaptation problem with label shift in this work. Under the label shift context, the marginal distribution of the label varies across the training and testing datasets, while the conditional distribution of features…

Machine Learning · Statistics 2023-05-31 Qinglong Tian , Xin Zhang , Jiwei Zhao

Few-shot learning is a rapidly evolving area of research in machine learning where the goal is to classify unlabeled data with only one or "a few" labeled exemplary samples. Neural networks are typically trained to minimize a distance…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Samuel Hess , Gregory Ditzler

We study the problem of building text classifiers with little or no training data, commonly known as zero and few-shot text classification. In recent years, an approach based on neural textual entailment models has been found to give strong…

Computation and Language · Computer Science 2022-04-21 Thomas Müller , Guillermo Pérez-Torró , Marc Franco-Salvador

Using a taxonomy to organize information requires classifying objects (documents, images, etc) with appropriate taxonomic classes. The flexible nature of zero-shot learning is appealing for this task because it allows classifiers to…

Computation and Language · Computer Science 2022-09-27 Thom Lake

Conventional approaches to text classification typically assume the existence of a fixed set of predefined labels to which a given text can be classified. However, in real-world applications, there exists an infinite label space for…

Computation and Language · Computer Science 2023-05-29 Christopher Clarke , Yuzhao Heng , Yiping Kang , Krisztian Flautner , Lingjia Tang , Jason Mars

Few-Shot classification aims at solving problems that only a few samples are available in the training process. Due to the lack of samples, researchers generally employ a set of training tasks from other domains to assist the target task,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Renjie Xu , Xinghao Yang , Baodi Liu , Kai Zhang , Weifeng Liu

Vision-language pre-training such as CLIP enables zero-shot transfer that can classify images according to the candidate class names. While CLIP demonstrates an impressive zero-shot performance on diverse downstream tasks, the distribution…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Qi Qian , Juhua Hu

Labeled datasets reflect the biases of their annotation pipelines, which sometimes introduce label bias: group-conditional label errors that cause systematic performance disparities across demographic subgroups. Label bias in image…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Aditya Parikh , Stella Frank , Sneha Das , Aasa Feragen

Nowadays, pretrained models are increasingly used as general-purpose backbones and adapted at test-time to downstream environments where target data are scarce and unlabeled. While this paradigm has proven effective for improving clean…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Stefano Bianchettin , Giulio Rossolini , Giorgio Buttazzo