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Emotion plays a fundamental role in human interaction, and therefore systems capable of identifying emotions in speech are crucial in the context of human-computer interaction. Speech emotion recognition (SER) is a challenging problem,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Lucas Ueda , João Lima , Leonardo Marques , Paula Costa

This paper introduces a novel perspective to significantly mitigate catastrophic forgetting in continuous learning (CL), which emphasizes models' capacity to preserve existing knowledge and assimilate new information. Current replay-based…

Machine Learning · Computer Science 2024-04-10 Jianshu Zhang , Yankai Fu , Ziheng Peng , Dongyu Yao , Kun He

To address the problem of catastrophic forgetting due to the invisibility of old categories in sequential input, existing work based on relatively simple categorization tasks has made some progress. In contrast, video captioning is a more…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Huiyu Xiong , Lanxiao Wang , Heqian Qiu , Taijin Zhao , Benliu Qiu , Hongliang Li

Federated learning (FL) enables collaborative model training across distributed clients while preserving data privacy. However, data and system heterogeneity often cause catastrophic forgetting and unbounded drift in model updates, leading…

Machine Learning · Computer Science 2026-04-28 Taehwan Yoon , Bongjun Choi , Wesley De Neve

Affective computing is very important in the relationship between man and machine. In this paper, a system for speech emotion recognition (SER) based on speech signal is proposed, which uses new techniques in different stages of processing.…

Sound · Computer Science 2021-11-16 Fatemeh Daneshfar , Seyed Jahanshah Kabudian

In this work, we present the first study addressing automatic speech recognition (ASR) for children in an online learning setting. This is particularly important for both child-centric applications and the privacy protection of minors,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-07 Edem Ahadzi , Vishwanath Pratap Singh , Tomi Kinnunen , Ville Hautamaki

Speech emotion recognition (SER) is the task of recognising human's emotional states from speech. SER is extremely prevalent in helping dialogue systems to truly understand our emotions and become a trustworthy human conversational partner.…

Sound · Computer Science 2022-10-27 Zhao Ren , Thanh Tam Nguyen , Yi Chang , Björn W. Schuller

Continual learning for end-to-end automatic speech recognition has to contend with a number of difficulties. Fine-tuning strategies tend to lose performance on data already seen, a process known as catastrophic forgetting. On the other…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-18 Peter Plantinga , Jaekwon Yoo , Chandra Dhir

Fine-tuning adapts pretrained models for specific tasks but poses the risk of catastrophic forgetting (CF), where critical knowledge from pretraining is overwritten. To address the issue of CF in a general-purpose framework, we propose…

Computation and Language · Computer Science 2025-11-25 Runyu Wang , Peng Ping , Zhengyu Guo , Xiaoye Zhang , Quan Shi , Liting Zhou , Tianbo Ji

Modern big-data systems generate massive, heterogeneous, and geographically dispersed streams that are large-scale and privacy-sensitive, making centralization challenging. While federated learning (FL) provides a privacy-enhancing training…

Machine Learning · Computer Science 2026-02-20 Obaidullah Zaland , Zulfiqar Ahmad Khan , Monowar Bhuyan

Catastrophic forgetting (CF) poses a persistent challenge in continual learning (CL), especially within federated learning (FL) environments characterized by non-i.i.d. time series data. While existing research has largely focused on…

Machine Learning · Computer Science 2026-02-24 Khaled Hallak , Oudom Kem

Speech emotion recognition (SER) is crucial for enhancing affective computing and enriching the domain of human-computer interaction. However, the main challenge in SER lies in selecting relevant feature representations from speech signals…

Sound · Computer Science 2024-12-16 Niloy Kumar Kundu , Sarah Kobir , Md. Rayhan Ahmed , Tahmina Aktar , Niloya Roy

Fine-tuning large language models on new data improves task performance but degrades capabilities learned during pretraining, a phenomenon known as catastrophic forgetting. Existing methods mitigate this by modifying the fine-tuning…

Machine Learning · Computer Science 2026-05-20 Parjanya Prajakta Prashant , Jiongli Zhu , Aldan Creo , Babak Salimi

Human being and different species of animals having the skills to gather, transferring knowledge, processing, fine-tune and generating information throughout their lifetime. The ability of learning throughout their lifespan is referred as…

Machine Learning · Computer Science 2024-05-15 Ashutosh Kumar , Sonali Agarwal , D Jude Hemanth

Catastrophic forgetting (CF) poses a significant challenge in machine learning, where a model forgets previously learned information upon learning new tasks. Despite the advanced capabilities of Large Language Models (LLMs), they continue…

Machine Learning · Computer Science 2025-04-17 Gangwei Jiang , Caigao Jiang , Zhaoyi Li , Siqiao Xue , Jun Zhou , Linqi Song , Defu Lian , Ying Wei

Currently used semantic parsing systems deployed in voice assistants can require weeks to train. Datasets for these models often receive small and frequent updates, data patches. Each patch requires training a new model. To reduce training…

Computation and Language · Computer Science 2021-03-23 Vladislav Lialin , Rahul Goel , Andrey Simanovsky , Anna Rumshisky , Rushin Shah

Continual learning (CL) learns a sequence of tasks incrementally with the goal of achieving two main objectives: overcoming catastrophic forgetting (CF) and encouraging knowledge transfer (KT) across tasks. However, most existing techniques…

Computation and Language · Computer Science 2021-12-21 Zixuan Ke , Bing Liu , Nianzu Ma , Hu Xu , Lei Shu

Supervised fine-tuning (SFT) plays a critical role for pretrained large language models (LLMs), notably enhancing their capacity to acquire domain-specific knowledge while preserving or potentially augmenting their general-purpose…

Machine Learning · Computer Science 2026-03-31 Ali Taheri , Alireza Taban , Qizhou Wang , Shanshan Ye , Abdolreza Mirzaei , Tongliang Liu , Bo Han

Speech Emotion Recognition (SER) is to recognize human emotions in a natural verbal interaction scenario with machines, which is considered as a challenging problem due to the ambiguous human emotions. Despite the recent progress in SER,…

Computation and Language · Computer Science 2023-05-11 Lei Kang , Lichao Zhang , Dazhi Jiang

Speech Emotion Recognition (SER) is a challenging task due to limited data and blurred boundaries of certain emotions. In this paper, we present a comprehensive approach to improve the SER performance throughout the model lifecycle,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-01 Xuechen Wang , Shiwan Zhao , Yong Qin