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Deriving multimodal representations of audio and lexical inputs is a central problem in Natural Language Understanding (NLU). In this paper, we present Contrastive Aligned Audio-Language Multirate and Multimodal Representations (CALM), an…

音频与语音处理 · 电气工程与系统科学 2022-02-09 Vin Sachidananda , Shao-Yen Tseng , Erik Marchi , Sachin Kajarekar , Panayiotis Georgiou

Neural extractive summarization models usually employ a hierarchical encoder for document encoding and they are trained using sentence-level labels, which are created heuristically using rule-based methods. Training the hierarchical encoder…

计算与语言 · 计算机科学 2019-05-17 Xingxing Zhang , Furu Wei , Ming Zhou

State-of-the-art model for zero-shot cross-lingual spoken language understanding performs cross-lingual unsupervised contrastive learning to achieve the label-agnostic semantic alignment between each utterance and its code-switched data.…

计算与语言 · 计算机科学 2024-05-13 Bowen Xing , Ivor W. Tsang

Multilingual BERT (mBERT), XLM-RoBERTa (XLMR) and other unsupervised multilingual encoders can effectively learn cross-lingual representation. Explicit alignment objectives based on bitexts like Europarl or MultiUN have been shown to…

计算与语言 · 计算机科学 2020-10-07 Shijie Wu , Mark Dredze

Pre-trained cross-lingual encoders such as mBERT (Devlin et al., 2019) and XLMR (Conneau et al., 2020) have proven to be impressively effective at enabling transfer-learning of NLP systems from high-resource languages to low-resource…

计算与语言 · 计算机科学 2021-04-13 Junjie Hu , Melvin Johnson , Orhan Firat , Aditya Siddhant , Graham Neubig

Efficient label acquisition processes are key to obtaining robust classifiers. However, data labeling is often challenging and subject to high levels of label noise. This can arise even when classification targets are well defined, if…

人工智能 · 计算机科学 2018-08-22 Olivier Deiss , Siddharth Biswal , Jing Jin , Haoqi Sun , M. Brandon Westover , Jimeng Sun

Transformer-based pre-trained language models such as BERT have achieved remarkable results in Semantic Sentence Matching. However, existing models still suffer from insufficient ability to capture subtle differences. Minor noise like word…

计算与语言 · 计算机科学 2023-04-17 Sirui Wang , Di Liang , Jian Song , Yuntao Li , Wei Wu

CLIP achieves strong zero-shot image-text retrieval by aligning global vision and text representations, yet it falls behind on fine-grained tasks even when fine-tuned on long, detailed captions. In this work, we propose $\beta$-CLIP, a…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Fatimah Zohra , Chen Zhao , Hani Itani , Bernard Ghanem

Multimodal sentiment analysis has become an increasingly popular research area as the demand for multimodal online content is growing. For multimodal sentiment analysis, words can have different meanings depending on the linguistic context…

计算与语言 · 计算机科学 2022-09-16 Junghun Kim , Jihie Kim

Video-Text Retrieval has been a hot research topic with the growth of multimedia data on the internet. Transformer for video-text learning has attracted increasing attention due to its promising performance. However, existing cross-modal…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Song Liu , Haoqi Fan , Shengsheng Qian , Yiru Chen , Wenkui Ding , Zhongyuan Wang

Image-text retrieval is a central problem for understanding the semantic relationship between vision and language, and serves as the basis for various visual and language tasks. Most previous works either simply learn coarse-grained…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Chong Liu , Yuqi Zhang , Hongsong Wang , Weihua Chen , Fan Wang , Yan Huang , Yi-Dong Shen , Liang Wang

The self-supervised ultrasound (US) video model pretraining can use a small amount of labeled data to achieve one of the most promising results on US diagnosis. However, it does not take full advantage of multi-level knowledge for learning…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Chunhui Zhang , Yixiong Chen , Li Liu , Qiong Liu , Xi Zhou

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by integrating external document retrieval to provide domain-specific or up-to-date knowledge. The effectiveness of RAG depends on the relevance of retrieved…

Prompt learning has become a prevalent strategy for adapting vision-language foundation models (VLMs) such as CLIP to downstream tasks. With the emergence of large language models (LLMs), recent studies have explored the potential of using…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Yubin Wang , Xinyang Jiang , De Cheng , Wenli Sun , Dongsheng Li , Cairong Zhao

We present a novel hierarchical triplet loss (HTL) capable of automatically collecting informative training samples (triplets) via a defined hierarchical tree that encodes global context information. This allows us to cope with the main…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Weifeng Ge , Weilin Huang , Dengke Dong , Matthew R. Scott

Existing self-supervised methods in natural language processing (NLP), especially hierarchical text classification (HTC), mainly focus on self-supervised contrastive learning, extremely relying on human-designed augmentation rules to…

计算与语言 · 计算机科学 2024-03-27 He Zhu , Junran Wu , Ruomei Liu , Yue Hou , Ze Yuan , Shangzhe Li , Yicheng Pan , Ke Xu

Heterogeneous gap among different modalities emerges as one of the critical issues in modern AI problems. Unlike traditional uni-modal cases, where raw features are extracted and directly measured, the heterogeneous nature of cross modal…

信息检索 · 计算机科学 2015-11-19 Aiwen Jiang , Hanxi Li , Yi Li , Mingwen Wang

Language-queried Audio Separation (LASS) employs linguistic queries to isolate target sounds based on semantic descriptions. However, existing methods face challenges in aligning complex auditory features with linguistic context while…

声音 · 计算机科学 2025-06-23 Jianyuan Feng , Guangzheng Li , Yangfei Xu

Hierarchical multi-label text classification (HMTC) aims at utilizing a label hierarchy in multi-label classification. Recent approaches to HMTC deal with the problem of imposing an over-constrained premise on the output space by using…

计算与语言 · 计算机科学 2024-06-21 Simon Yu , Jie He , Víctor Gutiérrez-Basulto , Jeff Z. Pan

Traditional approaches in speech emotion recognition, such as LSTM, CNN, RNN, SVM, and MLP, have limitations such as difficulty capturing long-term dependencies in sequential data, capturing the temporal dynamics, and struggling to capture…

声音 · 计算机科学 2023-08-10 Samiul Islam , Md. Maksudul Haque , Abu Jobayer Md. Sadat