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With the advent of direct models in automatic speech recognition (ASR), the formerly prevalent frame-wise acoustic modeling based on hidden Markov models (HMM) diversified into a number of modeling architectures like encoder-decoder…

计算与语言 · 计算机科学 2023-10-24 Wei Zhou , Albert Zeyer , André Merboldt , Ralf Schlüter , Hermann Ney

We explore the application of Vision Transformer (ViT) for handwritten text recognition. The limited availability of labeled data in this domain poses challenges for achieving high performance solely relying on ViT. Previous…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Yuting Li , Dexiong Chen , Tinglong Tang , Xi Shen

Recently, the hybrid convolutional neural network hidden Markov model (CNN-HMM) has been introduced for offline handwritten Chinese text recognition (HCTR) and has achieved state-of-the-art performance. However, modeling each of the large…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Zi-Rui Wang , Jun Du , Jia-Ming Wang

In this paper we present a Transformer-Transducer model architecture and a training technique to unify streaming and non-streaming speech recognition models into one model. The model is composed of a stack of transformer layers for audio…

声音 · 计算机科学 2020-10-08 Anshuman Tripathi , Jaeyoung Kim , Qian Zhang , Han Lu , Hasim Sak

Historical documents present many challenges for offline handwriting recognition systems, among them, the segmentation and labeling steps. Carefully annotated textlines are needed to train an HTR system. In some scenarios, transcripts are…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Edgard Chammas , Chafic Mokbel , Laurence Likforman-Sulem

Streaming processing of speech audio is required for many contemporary practical speech recognition tasks. Even with the large corpora of manually transcribed speech data available today, it is impossible for such corpora to cover…

计算与语言 · 计算机科学 2021-04-12 Rodrigo Cabrera , Xiaofeng Liu , Mohammadreza Ghodsi , Zebulun Matteson , Eugene Weinstein , Anjuli Kannan

It is well believed that video captioning is a fundamental but challenging task in both computer vision and artificial intelligence fields. The prevalent approach is to map an input video to a variable-length output sentence in a sequence…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Jingwen Chen , Yingwei Pan , Yehao Li , Ting Yao , Hongyang Chao , Tao Mei

In this paper, we propose an RNN-Transducer model for recognizing Japanese and Chinese offline handwritten text line images. As far as we know, it is the first approach that adopts the RNN-Transducer model for offline handwritten text…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Trung Tan Ngo , Hung Tuan Nguyen , Nam Tuan Ly , Masaki Nakagawa

Semantic segmentation labels are expensive and time consuming to acquire. Hence, pretraining is commonly used to improve the label-efficiency of segmentation models. Typically, the encoder of a segmentation model is pretrained as a…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Emmanuel Brempong Asiedu , Simon Kornblith , Ting Chen , Niki Parmar , Matthias Minderer , Mohammad Norouzi

Recurrent Neural Networks (RNNs) are powerful sequence modeling tools. However, when dealing with high dimensional inputs, the training of RNNs becomes computational expensive due to the large number of model parameters. This hinders RNNs…

机器学习 · 计算机科学 2018-05-23 Jinmian Ye , Linnan Wang , Guangxi Li , Di Chen , Shandian Zhe , Xinqi Chu , Zenglin Xu

Recently, recurrent neural network transducer (RNN-T) gains increasing popularity due to its natural streaming capability as well as superior performance. Nevertheless, RNN-T training requires large time and computation resources as RNN-T…

音频与语音处理 · 电气工程与系统科学 2023-05-22 Keyu An , Xian Shi , Shiliang Zhang

In this paper, we propose a Convolutional Neural Network (CNN) based speaker recognition model for extracting robust speaker embeddings. The embedding can be extracted efficiently with linear activation in the embedding layer. To understand…

音频与语音处理 · 电气工程与系统科学 2018-09-13 Suwon Shon , Hao Tang , James Glass

Encoder-decoder models have made great progress on handwritten mathematical expression recognition recently. However, it is still a challenge for existing methods to assign attention to image features accurately. Moreover, those…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Wenqi Zhao , Liangcai Gao , Zuoyu Yan , Shuai Peng , Lin Du , Ziyin Zhang

Data encoding remains a fundamental bottleneck in quantum machine learning, where amplitude encoding of high-dimensional classical vectors into quantum states incurs exponential cost. In this work, we propose a pre-trained tensor-train (TT)…

量子物理 · 物理学 2026-02-11 Jun Qi , Chao-Han Huck Yang , Pin-Yu Chen , Min-Hsiu Hsieh

We present a training scheme for streaming automatic speech recognition (ASR) based on recurrent neural network transducers (RNN-T) which allows the encoder network to learn to exploit context audio from a stream, using segmented or…

音频与语音处理 · 电气工程与系统科学 2021-06-16 Andreas Schwarz , Ilya Sklyar , Simon Wiesler

We replace the Hidden Markov Model (HMM) which is traditionally used in in continuous speech recognition with a bi-directional recurrent neural network encoder coupled to a recurrent neural network decoder that directly emits a stream of…

神经与进化计算 · 计算机科学 2014-12-05 Jan Chorowski , Dzmitry Bahdanau , Kyunghyun Cho , Yoshua Bengio

Neural approaches to sequence labeling often use a Conditional Random Field (CRF) to model their output dependencies, while Recurrent Neural Networks (RNN) are used for the same purpose in other tasks. We set out to establish RNNs as an…

机器学习 · 计算机科学 2018-10-02 Saeed Najafi , Colin Cherry , Grzegorz Kondrak

Language identification is critical for many downstream tasks in automatic speech recognition (ASR), and is beneficial to integrate into multilingual end-to-end ASR as an additional task. In this paper, we propose to modify the structure of…

音频与语音处理 · 电气工程与系统科学 2022-09-14 Chao Zhang , Bo Li , Tara Sainath , Trevor Strohman , Sepand Mavandadi , Shuo-yiin Chang , Parisa Haghani

Recurrent Neural Networks (RNN) have recently achieved the best performance in off-line Handwriting Text Recognition. At the same time, learning RNN by gradient descent leads to slow convergence, and training times are particularly long…

机器学习 · 计算机科学 2013-12-09 Jérôme Louradour , Christopher Kermorvant

Extracting temporal and representation features efficiently plays a pivotal role in understanding visual sequence information. To deal with this, we propose a new recurrent neural framework that can be stacked deep effectively. There are…

计算机视觉与模式识别 · 计算机科学 2019-10-28 Bo Pang , Kaiwen Zha , Hanwen Cao , Chen Shi , Cewu Lu