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Unsupervised localization and segmentation are long-standing computer vision challenges that involve decomposing an image into semantically-meaningful segments without any labeled data. These tasks are particularly interesting in an…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Luke Melas-Kyriazi , Christian Rupprecht , Iro Laina , Andrea Vedaldi

In text recognition, self-supervised pre-training emerges as a good solution to reduce dependence on expansive annotated real data. Previous studies primarily focus on local visual representation by leveraging mask image modeling or…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Zuan Gao , Yuxin Wang , Yadong Qu , Boqiang Zhang , Zixiao Wang , Jianjun Xu , Hongtao Xie

Recent speech enhancement (SE) models increasingly leverage self-supervised learning (SSL) representations for their rich semantic information. Typically, intermediate features are aggregated into a single representation via a lightweight…

Sound · Computer Science 2026-02-02 Seungu Han , Sungho Lee , Kyogu Lee

Masked Image Modeling (MIM) has emerged as a promising approach for Self-Supervised Learning (SSL) of visual representations. However, the out-of-the-box performance of MIMs is typically inferior to competing approaches. Most users cannot…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Marcin Przewięźlikowski , Randall Balestriero , Wojciech Jasiński , Marek Śmieja , Bartosz Zieliński

Despite the superior performance of Deep Learning (DL) on numerous segmentation tasks, the DL-based approaches are notoriously overconfident about their prediction with highly polarized label probability. This is often not desirable for…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Sungmin Hong , Anna K. Bonkhoff , Andrew Hoopes , Martin Bretzner , Markus D. Schirmer , Anne-Katrin Giese , Adrian V. Dalca , Polina Golland , Natalia S. Rost

Most network-based speech recognition methods are based on the assumption that the labels of two adjacent speech samples in the network are likely to be the same. However, assuming the pairwise relationship between speech samples is not…

Machine Learning · Statistics 2018-10-31 Loc Hoang Tran , Trang Hoang , Bui Hoang Nam Huynh

Generative Spoken Language Modeling research focuses on optimizing speech Language Models (LMs) using raw audio recordings without accessing any textual supervision. Such speech LMs usually operate over discrete units obtained from…

Computation and Language · Computer Science 2023-05-30 Itai Gat , Felix Kreuk , Tu Anh Nguyen , Ann Lee , Jade Copet , Gabriel Synnaeve , Emmanuel Dupoux , Yossi Adi

Predicting masked from visible parts of an image is a powerful self-supervised approach for visual representation learning. However, the common practice of masking random patches of pixels exhibits certain failure modes, which can prevent…

Machine Learning · Computer Science 2025-02-12 Alice Bizeul , Thomas Sutter , Alain Ryser , Bernhard Schölkopf , Julius von Kügelgen , Julia E. Vogt

The paper studies optimal coding of hidden Markov sources (HMS), which represent a broad class of practical sources obtained through noisy acquisition processes, beside their explicit modeling use in speech processing and recognition, image…

Signal Processing · Electrical Eng. & Systems 2018-02-09 Mehdi Salehifar , Tejaswi Nanjundaswamy , Kenneth Rose

This work tackles the problem of learning a set of language specific acoustic units from unlabeled speech recordings given a set of labeled recordings from other languages. Our approach may be described by the following two steps procedure:…

Machine Learning · Computer Science 2019-07-03 Lucas Ondel , Hari Krishna Vydana , Lukáš Burget , Jan Černocký

Recently, pioneer work finds that speech pre-trained models can solve full-stack speech processing tasks, because the model utilizes bottom layers to learn speaker-related information and top layers to encode content-related information.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-17 Chengyi Wang , Yu Wu , Sanyuan Chen , Shujie Liu , Jinyu Li , Yao Qian , Zhenglu Yang

Machine hearing or listening represents an emerging area. Conventional approaches rely on the design of handcrafted features specialized to a specific audio task and that can hardly generalized to other audio fields. For example,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Imad Rida , Romain Hérault , Gilles Gasso

Variation in speech is often quantified by comparing phonetic transcriptions of the same utterance. However, manually transcribing speech is time-consuming and error prone. As an alternative, therefore, we investigate the extraction of…

Computation and Language · Computer Science 2022-01-27 Martijn Bartelds , Wietse de Vries , Faraz Sanal , Caitlin Richter , Mark Liberman , Martijn Wieling

Automatic skin lesion segmentation on dermoscopic images is an essential component in computer-aided diagnosis of melanoma. Recently, many fully supervised deep learning based methods have been proposed for automatic skin lesion…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Xiaomeng Li , Lequan Yu , Hao Chen , Chi-Wing Fu , Pheng-Ann Heng

Learning semantic segmentation models under image-level supervision is far more challenging than under fully supervised setting. Without knowing the exact pixel-label correspondence, most weakly-supervised methods rely on external models to…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Zi-Yi Ke , Chiou-Ting Hsu

Semi-supervised learning has attracted much attention due to its less dependence on acquiring abundant annotations from experts compared to fully supervised methods, which is especially important for medical image segmentation which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Yichi Zhang , Jin Yang , Yuchen Liu , Yuan Cheng , Yuan Qi

Semi-supervised semantic segmentation requires the model to effectively propagate the label information from limited annotated images to unlabeled ones. A challenge for such a per-pixel prediction task is the large intra-class variation,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hai-Ming Xu , Lingqiao Liu , Qiuchen Bian , Zhen Yang

Self-supervised models have revolutionized speech processing, achieving new levels of performance in a wide variety of tasks with limited resources. However, the inner workings of these models are still opaque. In this paper, we aim to…

Sound · Computer Science 2024-06-25 Yassine El Kheir , Ahmed Ali , Shammur Absar Chowdhury

Although supervised deep learning has revolutionized speech and audio processing, it has necessitated the building of specialist models for individual tasks and application scenarios. It is likewise difficult to apply this to dialects and…

Semi-supervised learning (SSL) is a promising machine learning paradigm to address the issue of label scarcity in medical imaging. SSL methods were originally developed in image classification. The state-of-the-art SSL methods in image…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Mou-Cheng Xu , Yukun Zhou , Chen Jin , Marius De Groot , Neil P. Oxtoby , Daniel C. Alexander , Joseph Jacob