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This thesis studies how the segmentation results, produced by convolutional neural networks (CNN), is different from each other when applied to small biomedical datasets. We use different architectures, parameters and hyper-parameters,…

图像与视频处理 · 电气工程与系统科学 2020-11-04 Vitaly Nikolaev

This paper demonstrates the potential of convolutional neural networks (CNN) for detecting and classifying prosodic events on words, specifically pitch accents and phrase boundary tones, from frame-based acoustic features. Typical…

计算与语言 · 计算机科学 2017-06-05 Sabrina Stehwien , Ngoc Thang Vu

Motivated by the fact that characteristics of different sound classes are highly diverse in different temporal scales and hierarchical levels, a novel deep convolutional neural network (CNN) architecture is proposed for the environmental…

声音 · 计算机科学 2018-06-15 Boqing Zhu , Kele Xu , Dezhi Wang , Lilun Zhang , Bo Li , Yuxing Peng

Sound events often occur in unstructured environments where they exhibit wide variations in their frequency content and temporal structure. Convolutional neural networks (CNN) are able to extract higher level features that are invariant to…

机器学习 · 计算机科学 2017-05-31 Emre Çakır , Giambattista Parascandolo , Toni Heittola , Heikki Huttunen , Tuomas Virtanen

Recent studies have been revisiting whole words as the basic modelling unit in speech recognition and query applications, instead of phonetic units. Such whole-word segmental systems rely on a function that maps a variable-length speech…

计算与语言 · 计算机科学 2016-01-11 Herman Kamper , Weiran Wang , Karen Livescu

Conventional Convolutional Neural Networks (CNNs) in the real domain have been widely used for audio classification. However, their convolution operations process multi-channel inputs independently, limiting the ability to capture…

音频与语音处理 · 电气工程与系统科学 2025-10-27 Arshdeep Singh , Vinayak Abrol , Mark D. Plumbley

Acoustic Scene Classification (ASC) is one of the core research problems in the field of Computational Sound Scene Analysis. In this work, we present SubSpectralNet, a novel model which captures discriminative features by incorporating…

声音 · 计算机科学 2019-02-26 Sai Samarth R Phaye , Emmanouil Benetos , Ye Wang

This paper proposes a framework based on deep convolutional neural networks (CNNs) for automatic heart sound classification using short-segments of individual heart beats. We design a 1D-CNN that directly learns features from raw…

声音 · 计算机科学 2020-04-27 Fuad Noman , Chee-Ming Ting , Sh-Hussain Salleh , Hernando Ombao

Word spotting has become a field of strong research interest in document image analysis over the last years. Recently, AttributeSVMs were proposed which predict a binary attribute representation. At their time, this influential method…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Sebastian Sudholt , Gernot Fink

We propose MVCNN, a convolution neural network (CNN) architecture for sentence classification. It (i) combines diverse versions of pretrained word embeddings and (ii) extracts features of multigranular phrases with variable-size convolution…

计算与语言 · 计算机科学 2016-03-16 Wenpeng Yin , Hinrich Schütze

Deep Convolutional Neural Network (CNN) is a special type of Neural Networks, which has shown exemplary performance on several competitions related to Computer Vision and Image Processing. Some of the exciting application areas of CNN…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Asifullah Khan , Anabia Sohail , Umme Zahoora , Aqsa Saeed Qureshi

In this paper, we present an application of 2-D convolutional neural networks (2-D CNNs) designed to perform both feature extraction and classification stages as a single organism to solve the highlighted problems. The method uses a network…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Shahin Ghazvineh , Gholamreza Nouri , Seyed Hossein Hosseini Lavassani , Vahidreza Gharehbaghi , Andy Nguyen

In this work, we propose small footprint Convolutional Recurrent Neural Network models applied to the problem of wakeword detection and augment them with scaled dot product attention. We find that false accepts compared to Convolutional…

音频与语音处理 · 电气工程与系统科学 2020-11-26 Mohammad Omar Khursheed , Christin Jose , Rajath Kumar , Gengshen Fu , Brian Kulis , Santosh Kumar Cheekatmalla

This paper presents a new semi-supervised framework with convolutional neural networks (CNNs) for text categorization. Unlike the previous approaches that rely on word embeddings, our method learns embeddings of small text regions from…

机器学习 · 统计学 2015-11-03 Rie Johnson , Tong Zhang

We present an efficient deep learning approach for the challenging task of tumor segmentation in multisequence MR images. In recent years, Convolutional Neural Networks (CNN) have achieved state-of-the-art performances in a large variety of…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

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…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Pavel Sinha , Ioannis Psaromiligkos , Zeljko Zilic

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…

计算与语言 · 计算机科学 2018-02-16 Kalpesh Krishna , Liang Lu , Kevin Gimpel , Karen Livescu

We investigate the usage of convolutional neural networks (CNNs) for the slot filling task in spoken language understanding. We propose a novel CNN architecture for sequence labeling which takes into account the previous context words with…

计算与语言 · 计算机科学 2016-06-27 Ngoc Thang Vu

In this paper, we propose to use deep 3-dimensional convolutional networks (3D CNNs) in order to address the challenge of modelling spectro-temporal dynamics for speech emotion recognition (SER). Compared to a hybrid of Convolutional Neural…

计算与语言 · 计算机科学 2017-08-18 Jaebok Kim , Khiet P. Truong , Gwenn Englebienne , Vanessa Evers

Attempts to develop speech enhancement algorithms with improved speech intelligibility for cochlear implant (CI) users have met with limited success. To improve speech enhancement methods for CI users, we propose to perform speech…

声音 · 计算机科学 2019-07-08 Nursadul Mamun , Soheil Khorram , John H. L. Hansen