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With the rapid development of deep learning, automatic modulation recognition (AMR), as an important task in cognitive radio, has gradually transformed from traditional feature extraction and classification to automatic classification by…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Xinjie Xu , Zhuangzhi Chen , Dongwei Xu , Huaji Zhou , Shanqing Yu , Shilian Zheng , Qi Xuan , Xiaoniu Yang

Discrete adversarial attacks are symbolic perturbations to a language input that preserve the output label but lead to a prediction error. While such attacks have been extensively explored for the purpose of evaluating model robustness,…

Machine Learning · Computer Science 2021-11-02 Maor Ivgi , Jonathan Berant

As an effective strategy, data augmentation (DA) alleviates data scarcity scenarios where deep learning techniques may fail. It is widely applied in computer vision then introduced to natural language processing and achieves improvements in…

Computation and Language · Computer Science 2022-06-28 Bohan Li , Yutai Hou , Wanxiang Che

Data augmentation methods enrich datasets with augmented data to improve the performance of neural networks. Recently, automated data augmentation methods have emerged, which automatically design augmentation strategies. Existing work…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Misgana Negassi , Diane Wagner , Alexander Reiterer

A recurring problem faced when training neural networks is that there is typically not enough data to maximize the generalization capability of deep neural networks(DNN). There are many techniques to address this, including data…

Artificial Intelligence · Computer Science 2017-04-26 Joseph Lemley , Shabab Bazrafkan , Peter Corcoran

Automatic music transcription is considered to be one of the hardest problems in music information retrieval, yet recent deep learning approaches have achieved substantial improvements on transcription performance. These approaches commonly…

Sound · Computer Science 2019-06-21 Jong Wook Kim , Juan Pablo Bello

The generalization capability of unsupervised domain adaptation can mitigate the need for extensive pixel-level annotations to train semantic segmentation networks by training models on synthetic data as a source with computer-generated…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Hye-Seong Hong , Abhishek Kumar , Dong-Gyu Lee

Data augmentation is a widely used technique for improving model performance in machine learning, particularly in computer vision and natural language processing. Recently, there has been increasing interest in applying augmentation…

Machine Learning · Computer Science 2023-05-05 Raad Khraishi , Ramin Okhrati

Data augmentation methods have shown great importance in diverse supervised learning problems where labeled data is scarce or costly to obtain. For sound event localization and detection (SELD) tasks several augmentation methods have been…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-20 Ricardo Falcon-Perez , Kazuki Shimada , Yuichiro Koyama , Shusuke Takahashi , Yuki Mitsufuji

Recent works have empirically shown the effectiveness of data augmentation (DA) in NLP tasks, especially for those suffering from data scarcity. Intuitively, given the size of generated data, their diversity and quality are crucial to the…

Computation and Language · Computer Science 2022-04-26 Minyi Zhao , Lu Zhang , Yi Xu , Jiandong Ding , Jihong Guan , Shuigeng Zhou

Speech enhancement is an essential task of improving speech quality in noise scenario. Several state-of-the-art approaches have introduced visual information for speech enhancement,since the visual aspect of speech is essentially unaffected…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-21 Xinmeng Xu , Yang Wang , Dongxiang Xu , Yiyuan Peng , Cong Zhang , Jie Jia , Binbin Chen

Adaptive filters (AFs) are vital for enhancing the performance of downstream tasks, such as speech recognition, sound event detection, and keyword spotting. However, traditional AF design prioritizes isolated signal-level objectives, often…

Sound · Computer Science 2023-12-19 Jonah Casebeer , Junkai Wu , Paris Smaragdis

Speech is easily leaked imperceptibly, such as being recorded by mobile phones in different situations. Private content in speech may be maliciously extracted through speech enhancement technology. Speech enhancement technology has…

Sound · Computer Science 2022-06-17 Mingyu Dong , Diqun Yan , Rangding Wang

In this progress paper the previous results of the single note recognition by deep learning are presented. The several ways for data augmentation and "artificial semantic" augmentation are proposed to enhance efficiency of deep learning…

Speech recognisers usually perform optimally only in a specific environment and need to be adapted to work well in another. For adaptation to a new speaker, there is often too little data for fine-tuning to be robust, and that data is…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-13 Rogier C. van Dalen , Shucong Zhang , Titouan Parcollet , Sourav Bhattacharya

This paper investigates a self-adaptation method for speech enhancement using auxiliary speaker-aware features; we extract a speaker representation used for adaptation directly from the test utterance. Conventional studies of deep neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-17 Yuma Koizumi , Kohei Yatabe , Marc Delcroix , Yoshiki Masuyama , Daiki Takeuchi

Audio embeddings are crucial tools in understanding large catalogs of music. Typically embeddings are evaluated on the basis of the performance they provide in a wide range of downstream tasks, however few studies have investigated the…

It is a difficult task to classify images with multiple class labels using only a small number of labeled examples, especially when the label (class) distribution is imbalanced. Emotion classification is such an example of imbalanced label…

Computer Vision and Pattern Recognition · Computer Science 2017-12-15 Xinyue Zhu , Yifan Liu , Zengchang Qin , Jiahong Li

Deep neural networks (DNNs) are vulnerable to adversarial noises. Adversarial training is a general and effective strategy to improve DNN robustness (i.e., accuracy on noisy data) against adversarial noises. However, DNN models trained by…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Linhai Ma , Liang Liang

Sound event detection systems are widely used in various applications such as surveillance and environmental monitoring where data is automatically collected, processed, and sent to a cloud for sound recognition. However, this process may…

Sound · Computer Science 2024-01-04 Shayan Gharib , Minh Tran , Diep Luong , Konstantinos Drossos , Tuomas Virtanen
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