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The goal of Continual Learning (CL) is to continuously learn from new data streams and accomplish the corresponding tasks. Previously studied CL assumes that data are given in sequence nose-to-tail for different tasks, thus indeed belonging…

机器学习 · 计算机科学 2024-01-03 Fan Lyu , Wei Feng , Yuepan Li , Qing Sun , Fanhua Shang , Liang Wan , Liang Wang

Crafting adversarial examples has become an important technique to evaluate the robustness of deep neural networks (DNNs). However, most existing works focus on attacking the image classification problem since its input space is continuous…

机器学习 · 计算机科学 2020-04-22 Minhao Cheng , Jinfeng Yi , Pin-Yu Chen , Huan Zhang , Cho-Jui Hsieh

While significant advances exist in pseudo-label generation for semi-supervised semantic segmentation, pseudo-label selection remains understudied. Existing methods typically use fixed confidence thresholds to retain high-confidence…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Pan Liu , Jinshi Liu

Spoken Grammatical Error Correction (SGEC) and Feedback (SGECF) are crucial for second language learners, teachers and test takers. Traditional SGEC systems rely on a cascaded pipeline consisting of an ASR, a module for disfluency detection…

计算与语言 · 计算机科学 2025-05-28 Mengjie Qian , Rao Ma , Stefano Bannò , Kate M. Knill , Mark J. F. Gales

Pseudo Labeling is a technique used to improve the performance of semi-supervised Graph Neural Networks (GNNs) by generating additional pseudo-labels based on confident predictions. However, the quality of generated pseudo-labels has been a…

机器学习 · 计算机科学 2023-12-20 Weigang Lu , Ziyu Guan , Wei Zhao , Yaming Yang , Yuanhai Lv , Lining Xing , Baosheng Yu , Dacheng Tao

Reinforcement Learning (RL) methods, exemplified by Group Relative Policy Optimization (GRPO) and its variants, play a central role in developing reasoning models. However, these methods often suffer from a critical overconfidence issue,…

机器学习 · 计算机科学 2025-12-24 Haotian Liu , Shuo Wang , Hongteng Xu

Finding visual features and suitable models for lipreading tasks that are more complex than a well-constrained vocabulary has proven challenging. This paper explores state-of-the-art Deep Neural Network architectures for lipreading based on…

图像与视频处理 · 电气工程与系统科学 2018-05-31 George Sterpu , Christian Saam , Naomi Harte

The performance of automated lip reading using visemes as a classification schema has achieved less success compared with the use of ASCII characters and words largely due to the problem of different words sharing identical visemes. The…

计算与语言 · 计算机科学 2020-12-15 Souheil Fenghour , Daqing Chen , Kun Guo , Perry Xiao

Visual cues, like lip motion, have been shown to improve the performance of Automatic Speech Recognition (ASR) systems in noisy environments. We propose LipGER (Lip Motion aided Generative Error Correction), a novel framework for leveraging…

音频与语音处理 · 电气工程与系统科学 2024-06-10 Sreyan Ghosh , Sonal Kumar , Ashish Seth , Purva Chiniya , Utkarsh Tyagi , Ramani Duraiswami , Dinesh Manocha

Text retrieval plays a crucial role in incorporating factual knowledge for decision making into language processing pipelines, ranging from chat-based web search to question answering systems. Current state-of-the-art text retrieval models…

计算与语言 · 计算机科学 2024-11-26 Ge Gao , Jonathan D. Chang , Claire Cardie , Kianté Brantley , Thorsten Joachim

In this work, we propose a technique to transfer speech recognition capabilities from audio speech recognition systems to visual speech recognizers, where our goal is to utilize audio data during lipreading model training. Impressive…

多媒体 · 计算机科学 2022-07-13 Hadeel Mabrouk , Omar Abugabal , Nourhan Sakr , Hesham M. Eraqi

Grammatical feedback is crucial for L2 learners, teachers, and testers. Spoken grammatical error correction (GEC) aims to supply feedback to L2 learners on their use of grammar when speaking. This process usually relies on a cascaded…

计算与语言 · 计算机科学 2024-07-22 Stefano Bannò , Rao Ma , Mengjie Qian , Kate M. Knill , Mark J. F. Gales

Lip reading has received an increasing research interest in recent years due to the rapid development of deep learning and its widespread potential applications. One key point to obtain good performance for the lip reading task depends…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Xing Zhao , Shuang Yang , Shiguang Shan , Xilin Chen

This paper explores semi-supervised training for sequence tasks, such as Optical Character Recognition or Automatic Speech Recognition. We propose a novel loss function $\unicode{x2013}$ SoftCTC $\unicode{x2013}$ which is an extension of…

机器学习 · 计算机科学 2023-09-20 Martin Kišš , Michal Hradiš , Karel Beneš , Petr Buchal , Michal Kula

Treating texts as images, combining prompts with textual labels for prompt tuning, and leveraging the alignment properties of CLIP have been successfully applied in zero-shot multi-label image recognition. Nonetheless, relying solely on…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Haonan Xu , Dian Chao , Xiangyu Wu , Zhonghua Wan , Yang Yang

Sequence-to-sequence architectures built upon recurrent neural networks have become a standard choice for multi-step-ahead time series prediction. In these models, the decoder produces future values conditioned on contextual inputs,…

机器学习 · 计算机科学 2026-02-06 Qi Sima , Xinze Zhang , Yukun Bao , Siyue Yang , Liang Shen

The lack of labeled data is a common challenge in speech classification tasks, particularly those requiring extensive subjective assessment, such as cognitive state classification. In this work, we propose a Semi-Supervised Learning (SSL)…

音频与语音处理 · 电气工程与系统科学 2025-05-01 Yuanchao Li , Zixing Zhang , Jing Han , Peter Bell , Catherine Lai

This paper presents a method of sequence-to-sequence (seq2seq) voice conversion using non-parallel training data. In this method, disentangled linguistic and speaker representations are extracted from acoustic features, and voice conversion…

音频与语音处理 · 电气工程与系统科学 2020-01-14 Jing-Xuan Zhang , Zhen-Hua Ling , Li-Rong Dai

Pseudo supervision is regarded as the core idea in semi-supervised learning for semantic segmentation, and there is always a tradeoff between utilizing only the high-quality pseudo labels and leveraging all the pseudo labels. Addressing…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Siqi Fan , Fenghua Zhu , Zunlei Feng , Yisheng Lv , Mingli Song , Fei-Yue Wang

Lip reading, the process of interpreting silent speech from visual lip movements, has gained rising attention for its wide range of realistic applications. Deep learning approaches greatly improve current lip reading systems. However, lip…

人工智能 · 计算机科学 2024-05-03 Linzhi Wu , Xingyu Zhang , Yakun Zhang , Changyan Zheng , Tiejun Liu , Liang Xie , Ye Yan , Erwei Yin