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We evaluated various compositional models, from bag-of-words representations to compositional RNN-based models, on several extrinsic supervised and unsupervised evaluation benchmarks. Our results confirm that weighted vector averaging can…

Computation and Language · Computer Science 2018-11-30 Hanan Aldarmaki , Mona Diab

We propose to implement speech enhancement by the regeneration of clean speech from a salient representation extracted from the noisy signal. The network that extracts salient features is trained using a set of weight-sharing clones of the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-12 Michael Chinen , W. Bastiaan Kleijn , Felicia S. C. Lim , Jan Skoglund

Existing fake audio detection systems perform well in in-domain testing, but still face many challenges in out-of-domain testing. This is due to the mismatch between the training and test data, as well as the poor generalizability of…

Sound · Computer Science 2023-05-24 Chenglong Wang , Jiangyan Yi , Jianhua Tao , Chuyuan Zhang , Shuai Zhang , Xun Chen

Recently, intermediate feature maps of pre-trained convolutional neural networks have shown significant perceptual quality improvements, when they are used in the loss function for training new networks. It is believed that these features…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Taimoor Tariq , Okan Tarhan Tursun , Munchurl Kim , Piotr Didyk

Anomaly detection is to identify samples that do not conform to the distribution of the normal data. Due to the unavailability of anomalous data, training a supervised deep neural network is a cumbersome task. As such, unsupervised methods…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Vahid Reza Khazaie , Anthony Wong , John Taylor Jewell , Yalda Mohsenzadeh

Modern day audio signal classification techniques lack the ability to classify low feature audio signals in the form of spectrographic temporal frequency data representations. Additionally, currently utilized techniques rely on full diverse…

Sound · Computer Science 2024-10-30 Noel Elias

We present a novel end-to-end partially supervised deep learning approach for video anomaly detection and localization using only normal samples. The insight that motivates this study is that the normal samples can be associated with at…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Yaxiang Fan , Gongjian Wen , Deren Li , Shaohua Qiu , Martin D. Levine

This paper describes computationally efficient approaches and associated theoretical performance guarantees for the detection of known targets and anomalies from few projection measurements of the underlying signals. The proposed approaches…

Statistics Theory · Mathematics 2015-06-03 Kalyani Krishnamurthy , Rebecca Willett , Maxim Raginsky

Contemporary speech enhancement predominantly relies on audio transforms that are trained to reconstruct a clean speech waveform. The development of high-performing neural network sound recognition systems has raised the possibility of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-18 Mark R. Saddler , Andrew Francl , Jenelle Feather , Kaizhi Qian , Yang Zhang , Josh H. McDermott

Recent developments in biosignal processing have enabled users to exploit their physiological status for manipulating devices in a reliable and safe manner. One major challenge of physiological sensing lies in the variability of biosignals…

Machine Learning · Computer Science 2020-10-28 Mo Han , Ozan Ozdenizci , Ye Wang , Toshiaki Koike-Akino , Deniz Erdogmus

Various sources have reported the WaveNet deep learning architecture being able to generate high-quality speech, but to our knowledge there haven't been studies on the interpretation or visualization of trained WaveNets. This study…

Sound · Computer Science 2018-02-26 Kanru Hua

Deep neural networks have shown promise for music audio signal processing applications, often surpassing prior approaches, particularly as end-to-end models in the waveform domain. Yet results to date have tended to be constrained by low…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-11 William Mitchell , Scott H. Hawley

Semantically-aligned $(speech, image)$ datasets can be used to explore "visually-grounded speech". In a majority of existing investigations, features of an image signal are extracted using neural networks "pre-trained" on other tasks (e.g.,…

Machine Learning · Computer Science 2020-10-30 Masood S. Mortazavi

This paper proposes an approach for anomalous sound detection that incorporates outlier exposure and inlier modeling within a unified framework by multitask learning. While outlier exposure-based methods can extract features efficiently, it…

Sound · Computer Science 2023-09-15 Yucong Zhang , Hongbin Suo , Yulong Wan , Ming Li

Traditional methods to tackle many music information retrieval tasks typically follow a two-step architecture: feature engineering followed by a simple learning algorithm. In these "shallow" architectures, feature engineering and learning…

Sound · Computer Science 2015-11-18 Peter Li , Jiyuan Qian , Tian Wang

Although deep learning is the mainstream method in unsupervised anomalous sound detection, Gaussian Mixture Model (GMM) with statistical audio frequency representation as input can achieve comparable results with much lower model complexity…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-08 Jian Guan , Youde Liu , Qiaoxi Zhu , Tieran Zheng , Jiqing Han , Wenwu Wang

Recent advances in pattern matching, such as speech or object recognition support the viability of feature learning with deep learning solutions for gait recognition. Past papers have evaluated deep neural networks trained in a supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Szilárd Nemes , Margit Antal

There have been several successful deep learning models that perform audio super-resolution. Many of these approaches involve using preprocessed feature extraction which requires a lot of domain-specific signal processing knowledge to…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-01 James King , Ramon Viñas Torné , Alexander Campbell , Pietro Liò

Neural front-ends are an appealing alternative to traditional, fixed feature extraction pipelines for automatic speech recognition (ASR) systems since they can be directly trained to fit the acoustic model. However, their performance often…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-01 Peter Vieting , Maximilian Kannen , Benedikt Hilmes , Ralf Schlüter , Hermann Ney

Recently, several techniques have been explored to detect unusual behaviour in surveillance videos. Nevertheless, few studies leverage features from pre-trained CNNs and none of then present a comparison of features generate by different…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Tiago S. Nazare , Rodrigo F. de Mello , Moacir A. Ponti
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