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We propose HILBERT (HIerarchical Long-sequence Balanced Embedding with Reciprocal contrastive Training), a cross-attentive multimodal framework for learning document-level audio-text representations from long, segmented sequences in…

机器学习 · 计算机科学 2026-04-20 Habibeh Naderi , Behrouz Haji Soleimani , Stan Matwin

Multimodal Sentiment Analysis (MSA) seeks to understand human emotions by jointly analyzing data from multiple modalities typically text and images offering a richer and more accurate interpretation than unimodal approaches. In this paper,…

机器学习 · 计算机科学 2025-10-29 Phuong Q. Dao , Mark Roantree , Vuong M. Ngo

Distantly supervised relation extraction intrinsically suffers from noisy labels due to the strong assumption of distant supervision. Most prior works adopt a selective attention mechanism over sentences in a bag to denoise from wrongly…

计算与语言 · 计算机科学 2019-11-28 Yang Li , Guodong Long , Tao Shen , Tianyi Zhou , Lina Yao , Huan Huo , Jing Jiang

Multimodal movie genre classification has always been regarded as a demanding multi-label classification task due to the diversity of multimodal data such as posters, plot summaries, trailers and metadata. Although existing works have made…

人工智能 · 计算机科学 2023-10-13 Jiaqi Li , Guilin Qi , Chuanyi Zhang , Yongrui Chen , Yiming Tan , Chenlong Xia , Ye Tian

Image description generation is essential for accessibility and AI understanding of visual content. Recent advancements in deep learning have significantly improved natural language processing and computer vision. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Lakshita Agarwal , Bindu Verma

Sentence embeddings encode sentences in fixed dense vectors and have played an important role in various NLP tasks and systems. Methods for building sentence embeddings include unsupervised learning such as Quick-Thoughts and supervised…

计算与语言 · 计算机科学 2021-06-10 Danqi Liao

End-to-end (E2E) automatic speech recognition (ASR) systems often have difficulty recognizing uncommon words, that appear infrequently in the training data. One promising method, to improve the recognition accuracy on such rare words, is to…

This paper explores the development of a multimodal sentiment analysis model that integrates text, audio, and visual data to enhance sentiment classification. The goal is to improve emotion detection by capturing the complex interactions…

计算与语言 · 计算机科学 2025-01-15 Hui Lee , Singh Suniljit , Yong Siang Ong

Several prior studies have suggested that word frequency biases can cause the Bert model to learn indistinguishable sentence embeddings. Contrastive learning schemes such as SimCSE and ConSERT have already been adopted successfully in…

计算与语言 · 计算机科学 2023-09-15 Pu Miao , Zeyao Du , Junlin Zhang

We present two deep learning approaches to narrative text understanding for character relationship modelling. The temporal evolution of these relations is described by dynamic word embeddings, that are designed to learn semantic changes…

计算与语言 · 计算机科学 2020-03-20 Vani K , Simone Mellace , Alessandro Antonucci

The successful application of large pre-trained models such as BERT in natural language processing has attracted more attention from researchers. Since the BERT typically acts as an end-to-end black box, classification systems based on it…

计算与语言 · 计算机科学 2023-09-06 Shuai Jiang , Sayaka Kamei , Chen Li , Shengzhe Hou , Yasuhiko Morimoto

Image-Text Retrieval (ITR) is challenging in bridging visual and lingual modalities. Contrastive learning has been adopted by most prior arts. Except for limited amount of negative image-text pairs, the capability of constrastive learning…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Haoran Wang , Dongliang He , Wenhao Wu , Boyang Xia , Min Yang , Fu Li , Yunlong Yu , Zhong Ji , Errui Ding , Jingdong Wang

The rapid growth of visual content consumption across platforms necessitates automated video classification for age-suitability standards like the MPAA rating system (G, PG, PG-13, R). Traditional methods struggle with large labeled data…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Dipta Neogi , Nourash Azmine Chowdhury , Muhammad Rafsan Kabir , Mohammad Ashrafuzzaman Khan

Learning high-quality sentence representations benefits a wide range of natural language processing tasks. Though BERT-based pre-trained language models achieve high performance on many downstream tasks, the native derived sentence…

计算与语言 · 计算机科学 2021-05-26 Yuanmeng Yan , Rumei Li , Sirui Wang , Fuzheng Zhang , Wei Wu , Weiran Xu

The global reach of social media has amplified the spread of hateful content, including implicit sexism, which is often overlooked by conventional detection methods. In this work, we introduce an Adaptive Supervised Contrastive lEarning…

计算与语言 · 计算机科学 2025-07-09 Mohammad Zia Ur Rehman , Aditya Shah , Nagendra Kumar

We introduce AdaptiSent, a new framework for Multimodal Aspect-Based Sentiment Analysis (MABSA) that uses adaptive cross-modal attention mechanisms to improve sentiment classification and aspect term extraction from both text and images.…

计算与语言 · 计算机科学 2025-07-18 S M Rafiuddin , Sadia Kamal , Mohammed Rakib , Arunkumar Bagavathi , Atriya Sen

We introduce a novel multi-agent collaboration framework designed to enhance the accuracy and robustness of text classification models. Leveraging BERT as the primary classifier, our framework dynamically escalates low-confidence…

计算与语言 · 计算机科学 2025-02-27 Hediyeh Baban , Sai A Pidapar , Aashutosh Nema , Sichen Lu

Neural network based speech recognition systems suffer from performance degradation due to accented speech, especially unfamiliar accents. In this paper, we study the supervised contrastive learning framework for accented speech…

声音 · 计算机科学 2021-07-05 Tao Han , Hantao Huang , Ziang Yang , Wei Han

We introduce a novel approach to unsupervised and semi-supervised domain adaptation for semantic segmentation. Unlike many earlier methods that rely on adversarial learning for feature alignment, we leverage contrastive learning to bridge…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Weizhe Liu , David Ferstl , Samuel Schulter , Lukas Zebedin , Pascal Fua , Christian Leistner

While speech emotion recognition (SER) research has made significant progress, achieving generalization across various corpora continues to pose a problem. We propose a novel domain adaptation technique that embodies a multitask framework…

计算与语言 · 计算机科学 2023-10-10 Chung-Soo Ahn , Jagath C. Rajapakse , Rajib Rana