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Self-supervised speech models learn representations that capture both content and speaker information. Yet this entanglement creates problems: content tasks suffer from speaker bias, and privacy concerns arise when speaker identity leaks…

声音 · 计算机科学 2026-04-02 Xiaoxu Zhu , Junhua Li , Aaron J. Li , Guangchao Yao , Xiaojie Yu

Speaker representation learning is crucial for voice recognition systems, with recent advances in self-supervised approaches reducing dependency on labeled data. Current two-stage iterative frameworks, while effective, suffer from…

音频与语音处理 · 电气工程与系统科学 2025-06-03 Danwei Cai , Zexin Cai , Ze Li , Ming Li

Lipreading is understanding speech from observed lip movements. An observed series of lip motions is an ordered sequence of visual lip gestures. These gestures are commonly known, but as yet are not formally defined, as `visemes'. In this…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Helen Bear , Richard Harvey

Despite the recent success of image-text contrastive models like CLIP and SigLIP, these models often struggle with vision-centric tasks that demand high-fidelity image understanding, such as counting, depth estimation, and fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Zineng Tang , Long Lian , Seun Eisape , XuDong Wang , Roei Herzig , Adam Yala , Alane Suhr , Trevor Darrell , David M. Chan

We present Fast Language-Image Pre-training (FLIP), a simple and more efficient method for training CLIP. Our method randomly masks out and removes a large portion of image patches during training. Masking allows us to learn from more…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Yanghao Li , Haoqi Fan , Ronghang Hu , Christoph Feichtenhofer , Kaiming He

Large-scale vision-language models like CLIP have demonstrated impressive open-vocabulary capabilities for image-level tasks, excelling in recognizing what objects are present. However, they struggle with pixel-level recognition tasks like…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Heeseong Shin , Chaehyun Kim , Sunghwan Hong , Seokju Cho , Anurag Arnab , Paul Hongsuck Seo , Seungryong Kim

Self-supervised learning (SSL) has reduced the reliance on expensive labeling in speech technologies by learning meaningful representations from unannotated data. Since most SSL-based downstream tasks prioritize content information in…

声音 · 计算机科学 2025-05-27 Giuseppe Ruggiero , Matteo Testa , Jurgen Van de Walle , Luigi Di Caro

Modern sensing systems generate large volumes of unlabeled multivariate time-series data. This abundance of unlabeled data makes self-supervised learning (SSL) a natural approach for learning transferable representations. However, most…

Large Vision Language Models (LVLMs) have demonstrated impressive zero-shot capabilities in various vision-language dialogue scenarios. However, the absence of fine-grained visual object detection hinders the model from understanding the…

计算与语言 · 计算机科学 2024-04-15 Junyu Lu , Dixiang Zhang , Songxin Zhang , Zejian Xie , Zhuoyang Song , Cong Lin , Jiaxing Zhang , Bingyi Jing , Pingjian Zhang

Detecting face forgeries using CLIP has recently emerged as a promising and increasingly popular research direction. Owing to its rich visual knowledge acquired through large-scale pretraining, most existing methods typically rely on the…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Enrui Yang , Yuezun Li

Visual Speech Recognition (VSR) differs from the common perception tasks as it requires deeper reasoning over the video sequence, even by human experts. Despite the recent advances in VSR, current approaches rely on labeled data to fully…

With the rise of Speech Large Language Models (SpeechLLMs), two dominant approaches have emerged for speech processing: discrete tokens and continuous features. Each approach has demonstrated strong capabilities in audio-related processing…

计算与语言 · 计算机科学 2025-08-26 Dingdong Wang , Junan Li , Mingyu Cui , Dongchao Yang , Xueyuan Chen , Helen Meng

Vision-language models such as CLIP are capable of mapping the different modality data into a unified feature space, enabling zero/few-shot inference by measuring the similarity of given images and texts. However, most existing methods…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Xingyu Zhu , Beier Zhu , Yi Tan , Shuo Wang , Yanbin Hao , Hanwang Zhang

Vision-language pre-training (VLP) on large-scale image-text pairs has recently witnessed rapid progress for learning cross-modal representations. Existing pre-training methods either directly concatenate image representation and text…

计算与语言 · 计算机科学 2021-03-16 Chenliang Li , Ming Yan , Haiyang Xu , Fuli Luo , Wei Wang , Bin Bi , Songfang Huang

The visual dubbing task aims to generate mouth movements synchronized with the driving audio, which has seen significant progress in recent years. However, two critical deficiencies hinder their wide application: (1) Audio-only driving…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Liyang Chen , Tianze Zhou , Xu He , Boshi Tang , Zhiyong Wu , Yang Huang , Yang Wu , Zhongqian Sun , Wei Yang , Helen Meng

Interpretability in Vision-Language Models (VLMs) is crucial for trust, debugging, and decision-making in high-stakes applications. We introduce PixelSHAP, a model-agnostic framework extending Shapley-based analysis to structured visual…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Roni Goldshmidt

Lipreading is a difficult gesture classification task. One problem in computer lipreading is speaker-independence. Speaker-independence means to achieve the same accuracy on test speakers not included in the training set as speakers within…

计算机视觉与模式识别 · 计算机科学 2018-10-26 Jake Burton , David Frank , Madhi Saleh , Nassir Navab , Helen L. Bear

In person re-identification (ReID) tasks, many works explore the learning of part features to improve the performance over global image features. Existing methods explicitly extract part features by either using a hand-designed image…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Dengjie Li , Siyu Chen , Yujie Zhong , Lin Ma

Obtaining high-quality speaker embeddings in multi-speaker conditions is crucial for many applications. A recently proposed guided speaker embedding framework, which utilizes speech activities of target and non-target speakers as clues,…

音频与语音处理 · 电气工程与系统科学 2025-06-17 Shota Horiguchi , Takanori Ashihara , Marc Delcroix , Atsushi Ando , Naohiro Tawara

End-to-end transformer-based automatic speech recognition (ASR) systems often capture multiple speech traits in their learned representations that are highly entangled, leading to a lack of interpretability. In this study, we propose the…

音频与语音处理 · 电气工程与系统科学 2024-11-28 Pu Wang , Hugo Van hamme