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Quantum Neural Networks (QNNs) have shown significant value across domains, with well-trained QNNs representing critical intellectual property often deployed via cloud-based QNN-as-a-Service (QNNaaS) platforms. Recent work has examined QNN…

Quantum Physics · Physics 2025-04-02 Zhenxiao Fu , Leyi Zhao , Xuhong Zhang , Yilun Xu , Gang Huang , Fan Chen

We propose a convolutional neural network (CNN) architecture for facial expression recognition. The proposed architecture is independent of any hand-crafted feature extraction and performs better than the earlier proposed convolutional…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Peter Burkert , Felix Trier , Muhammad Zeshan Afzal , Andreas Dengel , Marcus Liwicki

One of the key issues in Deep Neural Networks (DNNs) is the black-box nature of their internal feature extraction process. Targeting vision-related domains, this paper focuses on analysing the feature space of a DNN by proposing a decoder…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Kimiaki Shirahama , Miki Yanobu , Kaduki Yamashita , Miho Ohsaki

Connectionist temporal classification (CTC) is a popular sequence prediction approach for automatic speech recognition that is typically used with models based on recurrent neural networks (RNNs). We explore whether deep convolutional…

Computation and Language · Computer Science 2018-02-16 Kalpesh Krishna , Liang Lu , Kevin Gimpel , Karen Livescu

Recurrent neural networks (RNNs) have emerged as powerful tools for processing sequential data in various fields, including natural language processing and speech recognition. However, the lack of explainability in RNN models has limited…

Machine Learning · Computer Science 2024-02-13 Pouria Golshanrad , Fathiyeh Faghih

Convolutional neural networks (CNNs), such as the time-delay neural network (TDNN), have shown their remarkable capability in learning speaker embedding. However, they meanwhile bring a huge computational cost in storage size, processing,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-22 Rui Wang , Zhihua Wei , Haoran Duan , Shouling Ji , Yang Long , Zhen Hong

Dementia, a neurological disorder impacting millions globally, presents significant challenges in diagnosis and patient care. With the rise of privacy concerns and security threats in healthcare, federated learning (FL) has emerged as a…

Cryptography and Security · Computer Science 2025-08-26 Gazi Tanbhir , Md. Farhan Shahriyar

The constant Q transform (CQT) has been shown to be one of the most effective speech signal pre-transforms to facilitate synthetic speech detection, followed by either hand-crafted (subband) constant Q cepstral coefficient (CQCC) feature…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Guang Hua , Andrew Beng Jin Teoh , Haijian Zhang

Convolutional neural networks (CNN) have improved speech recognition performance greatly by exploiting localized time-frequency patterns. But these patterns are assumed to appear in symmetric and rigid kernels by the conventional CNN…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-19 Jiamin Xie , John H. L. Hansen

This paper proposes a deep denoising auto-encoder technique to extract better acoustic features for speech synthesis. The technique allows us to automatically extract low-dimensional features from high dimensional spectral features in a…

Sound · Computer Science 2015-06-18 Zhenzhou Wu , Shinji Takaki , Junichi Yamagishi

Cinematic audio source separation is a relatively new subtask of audio source separation, with the aim of extracting the dialogue, music, and effects stems from their mixture. In this work, we developed a model generalizing the Bandsplit…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-27 Karn N. Watcharasupat , Chih-Wei Wu , Yiwei Ding , Iroro Orife , Aaron J. Hipple , Phillip A. Williams , Scott Kramer , Alexander Lerch , William Wolcott

Autonomous Vehicles (AVs) require precise lane and object detection to ensure safe navigation. However, centralized deep learning (DL) approaches for semantic segmentation raise privacy and scalability challenges, particularly when handling…

Systems and Control · Electrical Eng. & Systems 2025-04-29 Gharbi Khamis Alshammari , Ahmad Abubakar , Nada M. O. Sid Ahmed , Naif Khalaf Alshammari

Model protection is vital when deploying Convolutional Neural Networks (CNNs) for commercial services, due to the massive costs of training them. In this work, we propose a selective encryption (SE) algorithm to protect CNN models from…

Cryptography and Security · Computer Science 2021-05-27 Jinyu Tian , Jiantao Zhou , Jia Duan

Recent development in deep learning techniques has attracted attention in decoding and classification in EEG signals. Despite several efforts utilizing different features of EEG signals, a significant research challenge is to use…

Machine Learning · Computer Science 2020-06-09 Avinash Kumar Singh , Chin-Teng Lin

We propose a convolutional neural network (CNN) architecture for image classification based on subband decomposition of the image using wavelets. The proposed architecture decomposes the input image spectra into multiple critically sampled…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Pavel Sinha , Ioannis Psaromiligkos , Zeljko Zilic

Deep complex convolution recurrent network (DCCRN), which extends CRN with complex structure, has achieved superior performance in MOS evaluation in Interspeech 2020 deep noise suppression challenge (DNS2020). This paper further extends…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Shubo Lv , Yanxin Hu , Shimin Zhang , Lei Xie

Face recognition based on the deep convolutional neural networks (CNN) shows superior accuracy performance attributed to the high discriminative features extracted. Yet, the security and privacy of the extracted features from deep learning…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Xingbo Dong , Zhihui Miao , Lan Ma , Jiajun Shen , Zhe Jin , Zhenhua Guo , Andrew Beng Jin Teoh

We investigate the potential of stochastic neural networks for learning effective waveform-based acoustic models. The waveform-based setting, inherent to fully end-to-end speech recognition systems, is motivated by several comparative…

Machine Learning · Statistics 2021-08-17 Dino Oglic , Zoran Cvetkovic , Peter Sollich

This article illustrates a novel Quantum Secure Aggregation (QSA) scheme that is designed to provide highly secure and efficient aggregation of local model parameters for federated learning. The scheme is secure in protecting private model…

Quantum Physics · Physics 2023-09-18 Yichi Zhang , Chao Zhang , Cai Zhang , Lixin Fan , Bei Zeng , Qiang Yang

Automatic speech recognition in multi-channel reverberant conditions is a challenging task. The conventional way of suppressing the reverberation artifacts involves a beamforming based enhancement of the multi-channel speech signal, which…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-28 Anurenjan Purushothaman , Anirudh Sreeram , Sriram Ganapathy