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Contrastive self-supervised learning (CSL) has attracted increasing attention for model pre-training via unlabeled data. The resulted CSL models provide instance-discriminative visual features that are uniformly scattered in the feature…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Yifan Zhang , Bryan Hooi , Dapeng Hu , Jian Liang , Jiashi Feng

In this study, we investigate self-supervised representation learning for speaker verification (SV). First, we examine a simple contrastive learning approach (SimCLR) with a momentum contrastive (MoCo) learning framework, where the MoCo…

音频与语音处理 · 电气工程与系统科学 2021-02-16 Wei Xia , Chunlei Zhang , Chao Weng , Meng Yu , Dong Yu

This study investigates fine-tuning self-supervised learn ing (SSL) models using multi-task learning (MTL) to enhance speech emotion recognition (SER). The framework simultane ously handles four related tasks: emotion recognition, gender…

声音 · 计算机科学 2025-08-26 Honghong Wang , Jing Deng , Fanqin Meng , Rong Zheng

Computational prediction of the interaction of T cell receptors (TCRs) and their ligands is a grand challenge in immunology. Despite advances in high-throughput assays, specificity-labelled TCR data remains sparse. In other domains, the…

Contrastive Self-supervised Learning (CSL) is a practical solution that learns meaningful visual representations from massive data in an unsupervised approach. The ordinary CSL embeds the features extracted from neural networks onto…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Shentong Mo , Zhun Sun , Chao Li

Implicit degradation modeling-based blind super-resolution (SR) has attracted more increasing attention in the community due to its excellent generalization to complex degradation scenarios and wide application range. How to extract more…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Jiang Yuan , Ji Ma , Bo Wang , Weiming Hu

The challenges in applying contrastive learning to speaker verification (SV) are that the softmax-based contrastive loss lacks discriminative power and that the hard negative pairs can easily influence learning. To overcome the first…

音频与语音处理 · 电气工程与系统科学 2023-03-14 Zhe Li , Man-Wai Mak , Helen Mei-Ling Meng

Decoding neural visual representations from electroencephalogram (EEG)-based brain activity is crucial for advancing brain-machine interfaces (BMI) and has transformative potential for neural sensory rehabilitation. While multimodal…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yueyang Li , Zijian Kang , Shengyu Gong , Wenhao Dong , Weiming Zeng , Hongjie Yan , Wai Ting Siok , Nizhuan Wang

Speech emotion recognition is an important aspect of human-computer interaction. Prior work proposes various end-to-end models to improve the classification performance. However, most of them rely on the cross-entropy loss together with…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Zheng Lian , Ya Li , Jianhua Tao , Jian Huang

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

声音 · 计算机科学 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

Contrastive self-supervised learning (SSL) learns an embedding space that maps similar data pairs closer and dissimilar data pairs farther apart. Despite its success, one issue has been overlooked: the fairness aspect of representations…

The SemEval-2025 Task 11, Bridging the Gap in Text-Based Emotion Detection, introduces an emotion recognition challenge spanning over 28 languages. This competition encourages researchers to explore more advanced approaches to address the…

计算与语言 · 计算机科学 2025-08-19 Tian Li , Yujian Sun , Huizhi Liang

Pre-trained language models have proven their unique powers in capturing implicit language features. However, most pre-training approaches focus on the word-level training objective, while sentence-level objectives are rarely studied. In…

计算与语言 · 计算机科学 2021-01-01 Zhuofeng Wu , Sinong Wang , Jiatao Gu , Madian Khabsa , Fei Sun , Hao Ma

Multimodal models, such as the Contrastive Language-Image Pre-training (CLIP) model, have demonstrated remarkable success in aligning visual and linguistic representations. However, these models exhibit limitations when applied to…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Hiroshi Sasaki

Emotion recognition models using audio input data can enable the development of interactive systems with applications in mental healthcare, marketing, gaming, and social media analysis. While the field of affective computing using audio…

声音 · 计算机科学 2023-07-25 Peranut Nimitsurachat , Peter Washington

Unsupervised cell type identification is crucial for uncovering and characterizing heterogeneous populations in single cell omics studies. Although a range of clustering methods have been developed, most focus exclusively on intrinsic…

人工智能 · 计算机科学 2025-12-12 Liang Peng , Haopeng Liu , Yixuan Ye , Cheng Liu , Wenjun Shen , Si Wu , Hau-San Wong

Recent breakthroughs in self-supervised learning show that such algorithms learn visual representations that can be transferred better to unseen tasks than joint-training methods relying on task-specific supervision. In this paper, we found…

机器学习 · 计算机科学 2021-06-29 Hyuntak Cha , Jaeho Lee , Jinwoo Shin

Recent advancements in Deep and Self-Supervised Learning (SSL) have led to substantial improvements in Speech Emotion Recognition (SER) performance, reaching unprecedented levels. However, obtaining sufficient amounts of accurately labeled…

计算与语言 · 计算机科学 2025-02-25 Bulat Khaertdinov , Pedro Jeuris , Annanda Sousa , Enrique Hortal

Compared with unimodal data, multimodal data can provide more features to help the model analyze the sentiment of data. Previous research works rarely consider token-level feature fusion, and few works explore learning the common features…

计算与语言 · 计算机科学 2022-06-15 Zhen Li , Bing Xu , Conghui Zhu , Tiejun Zhao

Cell identification within the H&E slides is an essential prerequisite that can pave the way towards further pathology analyses including tissue classification, cancer grading, and phenotype prediction. However, performing such a task using…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Ramin Nakhli , Amirali Darbandsari , Hossein Farahani , Ali Bashashati