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The rapid spread of media content synthesis technology and the potentially damaging impact of audio and video deepfakes on people's lives have raised the need to implement systems able to detect these forgeries automatically. In this work…

Sound · Computer Science 2022-11-01 Luigi Attorresi , Davide Salvi , Clara Borrelli , Paolo Bestagini , Stefano Tubaro

In data dominated systems and applications, a concept of representing words in a numerical format has gained a lot of attention. There are a few approaches used to generate such a representation. An interesting issue that should be…

Computation and Language · Computer Science 2020-12-08 Shahin Atakishiyev , Marek Z. Reformat

In recent years, there has been an increasing focus on user convenience, leading to increased interest in text-based keyword enrollment systems for keyword spotting (KWS). Since the system utilizes text input during the enrollment phase and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-31 Youngmoon Jung , Seungjin Lee , Joon-Young Yang , Jaeyoung Roh , Chang Woo Han , Hoon-Young Cho

We address the problem of tuning word embeddings for specific use cases and domains. We propose a new method that automatically combines multiple domain-specific embeddings, selected from a wide range of pre-trained domain-specific…

Computation and Language · Computer Science 2019-09-06 Laura Rettig , Julien Audiffren , Philippe Cudré-Mauroux

On one hand, recent advances in chatbots has led to a rising popularity in using these models for coding tasks. On the other hand, modern generative image models primarily rely on text encoders to translate semantic concepts into visual…

Sound · Computer Science 2025-09-15 Jorge E. León , Miguel Carrasco

This paper proposes a unified deep speaker embedding framework for modeling speech data with different sampling rates. Considering the narrowband spectrogram as a sub-image of the wideband spectrogram, we tackle the joint modeling problem…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-02 Weicheng Cai , Ming Li

We propose a novel framework for target speech extraction based on semantic information, called ConceptBeam. Target speech extraction means extracting the speech of a target speaker in a mixture. Typical approaches have been exploiting…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-26 Yasunori Ohishi , Marc Delcroix , Tsubasa Ochiai , Shoko Araki , Daiki Takeuchi , Daisuke Niizumi , Akisato Kimura , Noboru Harada , Kunio Kashino

Transformer has demonstrated its great power to learn contextual word representations for multiple languages in a single model. To process multilingual sentences in the model, a learnable vector is usually assigned to each language, which…

Computation and Language · Computer Science 2021-02-17 Shengjie Luo , Kaiyuan Gao , Shuxin Zheng , Guolin Ke , Di He , Liwei Wang , Tie-Yan Liu

Joint understanding of video and language is an active research area with many applications. Prior work in this domain typically relies on learning text-video embeddings. One difficulty with this approach, however, is the lack of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Antoine Miech , Ivan Laptev , Josef Sivic

Extracting dense representations for terms and phrases is a task of great importance for knowledge discovery platforms targeting highly-technical fields. Dense representations are used as features for downstream components and have multiple…

Computation and Language · Computer Science 2023-05-26 Francesco Fusco , Diego Antognini

Homograph disambiguation remains a significant challenge in grapheme-to-phoneme (G2P) conversion, especially for low-resource languages. This challenge is twofold: (1) creating balanced and comprehensive homograph datasets is…

Computation and Language · Computer Science 2025-05-20 Mahta Fetrat Qharabagh , Zahra Dehghanian , Hamid R. Rabiee

Mapping words into a fixed-dimensional vector space is the backbone of modern NLP. While most word embedding methods successfully encode semantic information, they overlook phonetic information that is crucial for many tasks. We develop…

Computation and Language · Computer Science 2024-03-27 Vilém Zouhar , Kalvin Chang , Chenxuan Cui , Nathaniel Carlson , Nathaniel Robinson , Mrinmaya Sachan , David Mortensen

We propose an approach to extract speaker embeddings that are robust to speaking style variations in text-independent speaker verification. Typically, speaker embedding extraction includes training a DNN for speaker classification and using…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-29 Amber Afshan , Abeer Alwan

Scene text recognition has attracted particular research interest because it is a very challenging problem and has various applications. The most cutting-edge methods are attentional encoder-decoder frameworks that learn the alignment…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Xiaoxue Chen , Tianwei Wang , Yuanzhi Zhu , Lianwen Jin , Canjie Luo

In this paper we present a data-driven, integrated approach to speaker verification, which maps a test utterance and a few reference utterances directly to a single score for verification and jointly optimizes the system's components using…

Machine Learning · Computer Science 2015-09-29 Georg Heigold , Ignacio Moreno , Samy Bengio , Noam Shazeer

In addition to the unprecedented ability in imaginary creation, large text-to-image models are expected to take customized concepts in image generation. Existing works generally learn such concepts in an optimization-based manner, yet…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Yuxiang Wei , Yabo Zhang , Zhilong Ji , Jinfeng Bai , Lei Zhang , Wangmeng Zuo

Speaker embeddings achieve promising results on many speaker verification tasks. Phonetic information, as an important component of speech, is rarely considered in the extraction of speaker embeddings. In this paper, we introduce phonetic…

Sound · Computer Science 2018-06-15 Yi Liu , Liang He , Jia Liu , Michael T. Johnson

Compositionally complex solid solution electrocatalysts span vast composition spaces, and even one materials system can contain more candidate compositions than can be measured exhaustively. Here we evaluate a label-free screening strategy…

Materials Science · Physics 2026-03-11 Lei Zhang , Markus Stricker

Diversity in patent language is growing and makes finding synonyms for conducting patent searches more and more challenging. In addition to that, most approaches for dealing with diverse patent language are based on manual search and human…

Computation and Language · Computer Science 2024-09-04 Mark Standke , Abdullah Kiwan , Annalena Lange , Silvan Berg

We introduce a new approach, the ContrastiveTransformer, that produces acoustic word embeddings (AWEs) for the purpose of very low-resource keyword spotting. The ContrastiveTransformer, an encoder-only model, directly optimises the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-24 Julian Herreilers , Christiaan Jacobs , Thomas Niesler