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Pre-trained vision-language models learn massive data to model unified representations of images and natural languages, which can be widely applied to downstream machine learning tasks. In addition to zero-shot inference, in order to better…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Qian-Wei Wang , Yuqiu Xie , Letian Zhang , Zimo Liu , Shu-Tao Xia

Despite the surging demands for multilingual task-oriented dialog systems (e.g., Alexa, Google Home), there has been less research done in multilingual or cross-lingual scenarios. Hence, we propose a zero-shot adaptation of task-oriented…

Computation and Language · Computer Science 2019-11-12 Zihan Liu , Jamin Shin , Yan Xu , Genta Indra Winata , Peng Xu , Andrea Madotto , Pascale Fung

Emotion and intent recognition from speech is essential and has been widely investigated in human-computer interaction. The rapid development of social media platforms, chatbots, and other technologies has led to a large volume of speech…

Sound · Computer Science 2025-07-11 Zhao Ren , Rathi Adarshi Rammohan , Kevin Scheck , Sheng Li , Tanja Schultz

This paper studies a text classification algorithm based on an improved Transformer to improve the performance and efficiency of the model in text classification tasks. Aiming at the shortcomings of the traditional Transformer model in…

Computation and Language · Computer Science 2025-01-24 Jia Gao , Guiran Liu , Binrong Zhu , Shicheng Zhou , Hongye Zheng , Xiaoxuan Liao

State-of-the-art speaker verification systems are inherently dependent on some kind of human supervision as they are trained on massive amounts of labeled data. However, manually annotating utterances is slow, expensive and not scalable to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-25 Théo Lepage , Réda Dehak

Silent speech interface is a promising technology that enables private communications in natural language. However, previous approaches only support a small and inflexible vocabulary, which leads to limited expressiveness. We leverage…

Human-Computer Interaction · Computer Science 2023-03-07 Zixiong Su , Shitao Fang , Jun Rekimoto

Sentiment classification involves quantifying the affective reaction of a human to a document, media item or an event. Although researchers have investigated several methods to reliably infer sentiment from lexical, speech and body language…

Information Retrieval · Computer Science 2018-06-11 Rahul Gupta , Saurabh Sahu , Carol Espy-Wilson , Shrikanth Narayanan

Datasets for biosignals, such as electroencephalogram (EEG) and electrocardiogram (ECG), often have noisy labels and have limited number of subjects (<100). To handle these challenges, we propose a self-supervised approach based on…

Machine Learning · Computer Science 2020-07-10 Joseph Y. Cheng , Hanlin Goh , Kaan Dogrusoz , Oncel Tuzel , Erdrin Azemi

Sign language recognition from sequences of monocular images or 2D poses is a challenging field, not only due to the difficulty to infer 3D information from 2D data, but also due to the temporal relationship between the sequences of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Silvan Ferreira , Esdras Costa , Márcio Dahia , Jampierre Rocha

We propose a novel transfer learning method for speech emotion recognition allowing us to obtain promising results when only few training data is available. With as low as 125 examples per emotion class, we were able to reach a higher…

Machine Learning · Computer Science 2020-11-12 Jonathan Boigne , Biman Liyanage , Ted Östrem

State-of-the-art natural language understanding classification models follow two-stages: pre-training a large language model on an auxiliary task, and then fine-tuning the model on a task-specific labeled dataset using cross-entropy loss.…

Computation and Language · Computer Science 2021-04-06 Beliz Gunel , Jingfei Du , Alexis Conneau , Ves Stoyanov

Cross-domain sentiment analysis aims to predict the sentiment of texts in the target domain using the model trained on the source domain to cope with the scarcity of labeled data. Previous studies are mostly cross-entropy-based methods for…

Computation and Language · Computer Science 2022-08-19 Yun Luo , Fang Guo , Zihan Liu , Yue Zhang

Self-supervised pretraining has made few-shot learning possible for many NLP tasks. But the pretraining objectives are not typically adapted specifically for in-context few-shot learning. In this paper, we propose to use self-supervision in…

Computation and Language · Computer Science 2022-06-08 Mingda Chen , Jingfei Du , Ramakanth Pasunuru , Todor Mihaylov , Srini Iyer , Veselin Stoyanov , Zornitsa Kozareva

Task-oriented personal assistants enable people to interact with a host of devices and services using natural language. One of the challenges of making neural dialogue systems available to more users is the lack of training data for all but…

Computation and Language · Computer Science 2022-03-21 Milan Gritta , Ruoyu Hu , Ignacio Iacobacci

We present a self-supervised learning method to learn audio and video representations. Prior work uses the natural correspondence between audio and video to define a standard cross-modal instance discrimination task, where a model is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Pedro Morgado , Ishan Misra , Nuno Vasconcelos

In the area of customer support, understanding customers' intents is a crucial step. Machine learning plays a vital role in this type of intent classification. In reality, it is typical to collect confirmation from customer support…

Information Retrieval · Computer Science 2021-07-30 Li Dong , Matthew C. Spencer , Amir Biagi

Despite its rise as a prominent solution to the data inefficiency of today's machine learning models, self-supervised learning has yet to be studied from a purely multi-agent perspective. In this work, we propose that aligning internal…

Artificial Intelligence · Computer Science 2022-09-23 Julius Taylor , Eleni Nisioti , Clément Moulin-Frier

Contrastive learning models have achieved great success in unsupervised visual representation learning, which maximize the similarities between feature representations of different views of the same image, while minimize the similarities…

Computation and Language · Computer Science 2022-01-13 Shusheng Xu , Xingxing Zhang , Yi Wu , Furu Wei

Cued Speech (CS) is a communication system for deaf people or hearing impaired people, in which a speaker uses it to aid a lipreader in phonetic level by clarifying potentially ambiguous mouth movements with hand shape and positions.…

Multimedia · Computer Science 2021-06-29 Jianrong Wang , Nan Gu , Mei Yu , Xuewei Li , Qiang Fang , Li Liu

In recent years, self-supervised learning has excelled for its capacity to learn robust feature representations from unlabelled data. Networks pretrained through self-supervision serve as effective feature extractors for downstream tasks,…

Sound · Computer Science 2024-02-15 Calum Heggan , Sam Budgett , Timothy Hospedales , Mehrdad Yaghoobi