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Dual-encoder-based audio retrieval systems are commonly optimized with contrastive learning on a set of matching and mismatching audio-caption pairs. This leads to a shared embedding space in which corresponding items from the two…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-22 Paul Primus , Florian Schmid , Gerhard Widmer

Despite recent progress in text-to-audio (TTA) generation, we show that the state-of-the-art models, such as AudioLDM, trained on datasets with an imbalanced class distribution, such as AudioCaps, are biased in their generation performance.…

Sound · Computer Science 2024-01-08 Yi Yuan , Haohe Liu , Xubo Liu , Qiushi Huang , Mark D. Plumbley , Wenwu Wang

Audio-language pretraining holds promise for general-purpose audio understanding, yet remains underexplored compared to its vision counterpart. While vision-language models like CLIP serve as widely adopted foundations, existing…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-24 Wei-Cheng Tseng , Xuanru Zhou , Mingyue Huo , Yiwen Shao , Hao Zhang , Dong Yu

Large Audio-Language Models (LALMs) are enhanced with audio perception capabilities, enabling them to effectively process and understand multimodal inputs that combine audio and text. However, their performance in handling conflicting…

Computation and Language · Computer Science 2025-08-22 Cheng Wang , Gelei Deng , Xianglin Yang , Han Qiu , Tianwei Zhang

Language-image pre-training largely relies on how precisely and thoroughly a text describes its paired image. In practice, however, the contents of an image can be so rich that well describing them requires lengthy captions (e.g., with 10…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Kecheng Zheng , Yifei Zhang , Wei Wu , Fan Lu , Shuailei Ma , Xin Jin , Wei Chen , Yujun Shen

Pre-trained self-supervised models such as BERT have achieved striking success in learning sequence representations, especially for natural language processing. These models typically corrupt the given sequences with certain types of noise,…

Computation and Language · Computer Science 2020-11-02 Fuli Luo , Pengcheng Yang , Shicheng Li , Xuancheng Ren , Xu Sun

Vision-Language Pre-training (VLP) has advanced the performance for many vision-language tasks. However, most existing pre-trained models only excel in either understanding-based tasks or generation-based tasks. Furthermore, performance…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Junnan Li , Dongxu Li , Caiming Xiong , Steven Hoi

Time series data is essential in various applications, including climate modeling, healthcare monitoring, and financial analytics. Understanding the contextual information associated with real-world time series data is often essential for…

Artificial Intelligence · Computer Science 2025-03-11 Geon Lee , Wenchao Yu , Kijung Shin , Wei Cheng , Haifeng Chen

Recent advances in vision language models (VLM) have been driven by contrastive models such as CLIP, which learn to associate visual information with their corresponding text descriptions. However, these models have limitations in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Rim Assouel , Pietro Astolfi , Florian Bordes , Michal Drozdzal , Adriana Romero-Soriano

Contrastive learning (CL) has emerged as a promising approach for representation learning in time series data by embedding similar pairs closely while distancing dissimilar ones. However, existing CL methods often introduce false negative…

Machine Learning · Computer Science 2024-10-15 Yu Wu , Ting Dang , Dimitris Spathis , Hong Jia , Cecilia Mascolo

Contrastive representation learning is crucial in time series analysis as it alleviates the issue of data noise and incompleteness as well as sparsity of supervision signal. However, existing constrastive learning frameworks usually focus…

Machine Learning · Computer Science 2024-06-26 Haozhi Gao , Qianqian Ren , Jinbao Li

As one of the most intuitive interfaces known to humans, natural language has the potential to mediate many tasks that involve human-computer interaction, especially in application-focused fields like Music Information Retrieval. In this…

Sound · Computer Science 2022-08-26 Ilaria Manco , Emmanouil Benetos , Elio Quinton , György Fazekas

We present CLIP2Video network to transfer the image-language pre-training model to video-text retrieval in an end-to-end manner. Leading approaches in the domain of video-and-language learning try to distill the spatio-temporal video…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Han Fang , Pengfei Xiong , Luhui Xu , Yu Chen

In this paper, we present a time-contrastive learning (TCL) based bottleneck (BN)feature extraction method for speech signals with an application to text-dependent (TD) speaker verification (SV). It is well-known that speech signals exhibit…

Sound · Computer Science 2019-05-14 Achintya Kr. Sarkar , Zheng-Hua Tan

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…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Yanghao Li , Haoqi Fan , Ronghang Hu , Christoph Feichtenhofer , Kaiming He

Audio-text retrieval is a challenging task, requiring the search for an audio clip or a text caption within a database. The predominant focus of existing research on English descriptions poses a limitation on the applicability of such…

Sound · Computer Science 2024-06-18 Zhiyong Yan , Heinrich Dinkel , Yongqing Wang , Jizhong Liu , Junbo Zhang , Yujun Wang , Bin Wang

Speech Emotion Recognition (SER) in real-world scenarios remains challenging due to severe class imbalance and the prevalence of spontaneous, natural speech. While recent approaches leverage self-supervised learning (SSL) representations…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-26 Lucas H. Ueda , João G. T. Lima , Paula D. P. Costa

Most research efforts in the multimedia forensics domain have focused on detecting forgery audio-visual content and reached sound achievements. However, these works only consider deepfake detection as a classification task and ignore the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Qilin Yin , Wei Lu , Xiangyang Luo , Xiaochun Cao

In recent years, the explosion of web videos makes text-video retrieval increasingly essential and popular for video filtering, recommendation, and search. Text-video retrieval aims to rank relevant text/video higher than irrelevant ones.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Chen Jiang , Hong Liu , Xuzheng Yu , Qing Wang , Yuan Cheng , Jia Xu , Zhongyi Liu , Qingpei Guo , Wei Chu , Ming Yang , Yuan Qi

The effectiveness of Contrastive Language-Image Pre-training (CLIP) models critically depends on the semantic diversity and quality of their training data. However, while existing synthetic data generation methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Yuanxiang Huangfu , Chaochao Wang , Weilei Wang
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