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Contrastive vision-language models like CLIP have shown great progress in transfer learning. In the inference stage, the proper text description, also known as prompt, needs to be carefully designed to correctly classify the given images.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Tony Huang , Jack Chu , Fangyun Wei

Noisy labels can negatively impact the performance of deep neural networks. One common solution is label refurbishment, which involves reconstructing noisy labels through predictions and distributions. However, these methods may introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Wenxiao Fan , Kan Li

While deep neural networks can achieve state-of-the-art performance in many tasks, these models are more fragile than they appear. They are prone to learning spurious correlations in their training data, leading to surprising failure cases.…

Machine Learning · Computer Science 2024-09-05 Jeff Mitchell , Jesús Martínez del Rincón , Niall McLaughlin

Recently, deep learning has experienced rapid expansion, contributing significantly to the progress of supervised learning methodologies. However, acquiring labeled data in real-world settings can be costly, labor-intensive, and sometimes…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Jicheng Yuan , Anh Le-Tuan , Ali Ganbarov , Manfred Hauswirth , Danh Le-Phuoc

Semi-supervised learning aims to boost the accuracy of a model by exploring unlabeled images. The state-of-the-art methods are consistency-based which learn about unlabeled images by encouraging the model to give consistent predictions for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Rongchang Xie , Chunyu Wang , Wenjun Zeng , Yizhou Wang

Deep learning methods have shown promise in unsupervised domain adaptation, which aims to leverage a labeled source domain to learn a classifier for the unlabeled target domain with a different distribution. However, such methods typically…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Zhijie Deng , Yucen Luo , Jun Zhu

Pseudo-labeling has proven to be a promising semi-supervised learning (SSL) paradigm. Existing pseudo-labeling methods commonly assume that the class distributions of training data are balanced. However, such an assumption is far from…

Machine Learning · Computer Science 2023-03-03 Renzhen Wang , Xixi Jia , Quanziang Wang , Yichen Wu , Deyu Meng

Federated learning aims to tackle the ``isolated data island" problem, where it trains a collective model from physically isolated clients while safeguarding the privacy of users' data. However, supervised federated learning necessitates…

Artificial Intelligence · Computer Science 2024-04-18 Hao Yan , Yuhong Guo

The deployment of language models brings challenges in generating reliable information, especially when these models are fine-tuned using human preferences. To extract encoded knowledge without (potentially) biased human labels,…

Artificial Intelligence · Computer Science 2024-10-07 Walter Laurito , Sharan Maiya , Grégoire Dhimoïla , Owen , Yeung , Kaarel Hänni

Meta-learning performs adaptation through a limited amount of support set, which may cause a sample bias problem. To solve this problem, transductive meta-learning is getting more and more attention, going beyond the conventional inductive…

Machine Learning · Computer Science 2023-04-25 Sanghyuk Lee , Seunghyun Lee , Byung Cheol Song

In document classification for, e.g., legal and biomedical text, we often deal with hundreds of classes, including very infrequent ones, as well as temporal concept drift caused by the influence of real world events, e.g., policy changes,…

Computation and Language · Computer Science 2022-03-16 Ilias Chalkidis , Anders Søgaard

Discovering new intents is a crucial task in dialogue systems. Most existing methods are limited in transferring the prior knowledge from known intents to new intents. They also have difficulties in providing high-quality supervised signals…

Computation and Language · Computer Science 2023-04-24 Hanlei Zhang , Hua Xu , Ting-En Lin , Rui Lyu

We propose an information-theoretic bias measurement technique through a causal interpretation of spurious correlation, which is effective to identify the feature-level algorithmic bias by taking advantage of conditional mutual information.…

Machine Learning · Computer Science 2022-01-11 Seonguk Seo , Joon-Young Lee , Bohyung Han

In this paper, we propose a novel unsupervised clustering approach exploiting the hidden information that is indirectly introduced through a pseudo classification objective. Specifically, we randomly assign a pseudo parent-class label to…

Machine Learning · Computer Science 2018-02-12 Ozsel Kilinc , Ismail Uysal

For semi-supervised learning with imbalance classes, the long-tailed distribution of data will increase the model prediction bias toward dominant classes, undermining performance on less frequent classes. Existing methods also face…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Kuo Yang , Duo Li , Menghan Hu , Guangtao Zhai , Xiaokang Yang , Xiao-Ping Zhang

Unsupervised person re-identification (Re-ID) attracts increasing attention due to its potential to resolve the scalability problem of supervised Re-ID models. Most existing unsupervised methods adopt an iterative clustering mechanism,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Lianjie Jia , Chenyang Yu , Xiehao Ye , Tianyu Yan , Yinjie Lei , Pingping Zhang

The reliability of machine learning systems critically assumes that the associations between features and labels remain similar between training and test distributions. However, unmeasured variables, such as confounders, break this…

Machine Learning · Computer Science 2020-08-17 Megha Srivastava , Tatsunori Hashimoto , Percy Liang

Self-supervised learning (SSL) has the potential to benefit many applications, particularly those where manually annotating data is cumbersome. One such situation is the semantic segmentation of point clouds. In this context, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Yanhao Wu , Tong Zhang , Wei Ke , Sabine Süsstrunk , Mathieu Salzmann

Self-supervised contrastive learning offers a means of learning informative features from a pool of unlabeled data. In this paper, we delve into another useful approach -- providing a way of selecting a core-set that is entirely unlabeled.…

Machine Learning · Computer Science 2021-04-08 Jeongwoo Ju , Heechul Jung , Yoonju Oh , Junmo Kim

Standard software analytics often involves having a large amount of data with labels in order to commission models with acceptable performance. However, prior work has shown that such requirements can be expensive, taking several weeks to…

Software Engineering · Computer Science 2021-08-24 Huy Tu , Tim Menzies