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Related papers: Unsupervised Embedding Quality Evaluation

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Face image quality is an important factor to enable high performance face recognition systems. Face quality assessment aims at estimating the suitability of a face image for recognition. Previous work proposed supervised solutions that…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Philipp Terhörst , Jan Niklas Kolf , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

In this study, a novel idea, Uncertainty Structure Estimation (USE), a lightweight, algorithm-agnostic procedure that emphasizes the often-overlooked role of unlabeled data quality is introduced for Semi-supervised learning (SSL). SSL has…

Machine Learning · Computer Science 2026-03-03 Tsao-Lun Chen , Chien-Liang Liu , Tzu-Ming Harry Hsu , Tai-Hsien Wu , Chi-Cheng Fu , Han-Yi E. Chou , Shun-Feng Su

Cross-lingual word embeddings are vector representations of words in different languages where words with similar meaning are represented by similar vectors, regardless of the language. Recent developments which construct these embeddings…

Computation and Language · Computer Science 2020-03-04 Yerai Doval , Jose Camacho-Collados , Luis Espinosa-Anke , Steven Schockaert

Semi-supervised learning (SSL) is a promising approach for training deep classification models using labeled and unlabeled datasets. However, existing SSL methods rely on a large unlabeled dataset, which may not always be available in many…

Machine Learning · Computer Science 2023-09-29 Shin'ya Yamaguchi

Self-supervised learning (SSL) plays a central role in molecular representation learning. Yet, many recent innovations in masking-based pretraining are introduced as heuristics and lack principled evaluation, obscuring which design choices…

Machine Learning · Computer Science 2025-12-09 Jiannan Yang , Veronika Thost , Tengfei Ma

This study explores using embedding rank as an unsupervised evaluation metric for general-purpose speech encoders trained via self-supervised learning (SSL). Traditionally, assessing the performance of these encoders is resource-intensive…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-22 Zakaria Aldeneh , Vimal Thilak , Takuya Higuchi , Barry-John Theobald , Tatiana Likhomanenko

Self-supervised learning (SSL) has become the de facto training paradigm of large models, where pre-training is followed by supervised fine-tuning using domain-specific data and labels. Despite demonstrating comparable performance with…

Machine Learning · Computer Science 2024-06-05 Sofia Yfantidou , Dimitris Spathis , Marios Constantinides , Athena Vakali , Daniele Quercia , Fahim Kawsar

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

Self-supervised learning (SSL) excels at finding general-purpose latent representations from complex data, yet lacks a unifying theoretical framework that explains the diverse existing methods and guides the design of new ones. We cast SSL…

Machine Learning · Computer Science 2026-05-28 Fabian A Mikulasch , Friedemann Zenke

The amount of manually labeled data is limited in medical applications, so semi-supervised learning and automatic labeling strategies can be an asset for training deep neural networks. However, the quality of the automatically generated…

Machine Learning · Computer Science 2022-03-04 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

Self-supervised learning (SSL) is a powerful tool in machine learning, but understanding the learned representations and their underlying mechanisms remains a challenge. This paper presents an in-depth empirical analysis of SSL-trained…

Machine Learning · Computer Science 2023-06-01 Ido Ben-Shaul , Ravid Shwartz-Ziv , Tomer Galanti , Shai Dekel , Yann LeCun

Self-supervised learning (SSL) has become the de facto training paradigm of large models where pre-training is followed by supervised fine-tuning using domain-specific data and labels. Hypothesizing that SSL models would learn more generic,…

Machine Learning · Computer Science 2024-01-04 Sofia Yfantidou , Dimitris Spathis , Marios Constantinides , Athena Vakali , Daniele Quercia , Fahim Kawsar

With the success of self-supervised learning (SSL), it has become a mainstream paradigm to fine-tune from self-supervised pretrained models to boost the performance on downstream tasks. However, we find that current SSL models suffer severe…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Yun-Hao Cao , Peiqin Sun , Yechang Huang , Jianxin Wu , Shuchang Zhou

This paper studies the unsupervised embedding learning problem, which requires an effective similarity measurement between samples in low-dimensional embedding space. Motivated by the positive concentrated and negative separated properties…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Mang Ye , Xu Zhang , Pong C. Yuen , Shih-Fu Chang

Semi-supervised learning (SSL) is a class of supervised learning tasks and techniques that also exploits the unlabeled data for training. SSL significantly reduces labeling related costs and is able to handle large data sets. The primary…

Machine Learning · Computer Science 2016-06-30 Eftychios Protopapadakis

Semi-supervised learning (SSL) seeks to enhance task performance by training on both labeled and unlabeled data. Mainstream SSL image classification methods mostly optimize a loss that additively combines a supervised classification…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Zhe Huang , Xiaowei Yu , Dajiang Zhu , Michael C. Hughes

Learning meaningful representations is at the heart of many tasks in the field of modern machine learning. Recently, a lot of methods were introduced that allow learning of image representations without supervision. These representations…

Self-supervision provides effective representations for downstream tasks without requiring labels. However, existing approaches lag behind fully supervised training and are often not thought beneficial beyond obviating or reducing the need…

Machine Learning · Computer Science 2019-10-30 Dan Hendrycks , Mantas Mazeika , Saurav Kadavath , Dawn Song

The rapid advancement in self-supervised representation learning has highlighted its potential to leverage unlabeled data for learning rich visual representations. However, the existing techniques, particularly those employing different…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Sana Ayromlou , Vahid Reza Khazaie , Fereshteh Forghani , Arash Afkanpour

Semi-supervised learning (SSL) aims to improve performance by exploiting unlabeled data when labels are scarce. Conventional SSL studies typically assume close environments where important factors (e.g., label, feature, distribution)…

Machine Learning · Computer Science 2024-12-25 Lan-Zhe Guo , Lin-Han Jia , Jie-Jing Shao , Yu-Feng Li
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