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Recognition of text on word or line images, without the need for sub-word segmentation has become the mainstream of research and development of text recognition for Indian languages. Modelling unsegmented sequences using Connectionist…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Minesh Mathew , Ajoy Mondal , CV Jawahar

Online handwritten Chinese text recognition (OHCTR) is a challenging problem as it involves a large-scale character set, ambiguous segmentation, and variable-length input sequences. In this paper, we exploit the outstanding capability of…

计算机视觉与模式识别 · 计算机科学 2017-05-26 Zecheng Xie , Zenghui Sun , Lianwen Jin , Hao Ni , Terry Lyons

We propose a neuralized undirected graphical model called Neural-Hidden-CRF to solve the weakly-supervised sequence labeling problem. Under the umbrella of probabilistic undirected graph theory, the proposed Neural-Hidden-CRF embedded with…

计算与语言 · 计算机科学 2023-10-02 Zhijun Chen , Hailong Sun , Wanhao Zhang , Chunyi Xu , Qianren Mao , Pengpeng Chen

Online Multi-Object Tracking (MOT) is a challenging problem and has many important applications including intelligence surveillance, robot navigation and autonomous driving. In existing MOT methods, individual object's movements and…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Hui Zhou , Wanli Ouyang , Jian Cheng , Xiaogang Wang , Hongsheng Li

In unsupervised causal representation learning for sequential data with time-delayed latent causal influences, strong identifiability results for the disentanglement of causally-related latent variables have been established in stationary…

机器学习 · 计算机科学 2024-08-02 Xiangchen Song , Weiran Yao , Yewen Fan , Xinshuai Dong , Guangyi Chen , Juan Carlos Niebles , Eric Xing , Kun Zhang

We propose a novel method to accelerate training and inference process of recurrent neural network transducer (RNN-T) based on the guidance from a co-trained connectionist temporal classification (CTC) model. We made a key assumption that…

音频与语音处理 · 电气工程与系统科学 2022-11-01 Yongqiang Wang , Zhehuai Chen , Chengjian Zheng , Yu Zhang , Wei Han , Parisa Haghani

We propose an off-line approach to explicitly encode temporal patterns spatially as different types of images, namely, Gramian Angular Fields and Markov Transition Fields. This enables the use of techniques from computer vision for feature…

机器学习 · 计算机科学 2015-09-25 Zhiguang Wang , Tim Oates

Large Language Models (LLMs) have demonstrated remarkable success across diverse fields, establishing a powerful paradigm for complex information processing. This has inspired the integration of speech into LLM frameworks, often by…

音频与语音处理 · 电气工程与系统科学 2025-12-30 Xiangyu Zhang , Fuming Fang , Peng Gao , Bin Qin , Beena Ahmed , Julien Epps

Training automatic speech recognition (ASR) systems requires large amounts of data in the target language in order to achieve good performance. Whereas large training corpora are readily available for languages like English, there exists a…

音频与语音处理 · 电气工程与系统科学 2017-11-15 Markus Müller , Sebastian Stüker , Alex Waibel

Complex textual information extraction tasks are often posed as sequence labeling or \emph{shallow parsing}, where fields are extracted using local labels made consistent through probabilistic inference in a graphical model with constrained…

机器学习 · 计算机科学 2018-10-01 Dung Thai , Sree Harsha Ramesh , Shikhar Murty , Luke Vilnis , Andrew McCallum

In this paper, we introduce a novel network, called discriminative feature network (DFNet), to address the unsupervised video object segmentation task. To capture the inherent correlation among video frames, we learn discriminative features…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Mingmin Zhen , Shiwei Li , Lei Zhou , Jiaxiang Shang , Haoan Feng , Tian Fang , Long Quan

Time series anomaly detection plays a critical role in automated monitoring systems. Most previous deep learning efforts related to time series anomaly detection were based on recurrent neural networks (RNN). In this paper, we propose a…

机器学习 · 计算机科学 2019-06-03 Tailai Wen , Roy Keyes

Semi-supervised action recognition aims to improve spatio-temporal reasoning ability with a few labeled data in conjunction with a large amount of unlabeled data. Albeit recent advancements, existing powerful methods are still prone to…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Yu Wang , Sanping Zhou , Kun Xia , Le Wang

Non-native speech causes automatic speech recognition systems to degrade in performance. Past strategies to address this challenge have considered model adaptation, accent classification with a model selection, alternate pronunciation…

音频与语音处理 · 电气工程与系统科学 2019-10-03 Shahram Ghorbani , Ahmet E. Bulut , John H. L. Hansen

Event analysis in untrimmed videos has attracted increasing attention due to the application of cutting-edge techniques such as CNN. As a well studied property for CNN-based models, the receptive field is a measurement for measuring the…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Zhaobo Qi , Shuhui Wang , Chi Su , Li Su , Weigang Zhang , Qingming Huang

We propose a new approach to image segmentation, which exploits the advantages of both conditional random fields (CRFs) and decision trees. In the literature, the potential functions of CRFs are mostly defined as a linear combination of…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Fayao Liu , Guosheng Lin , Ruizhi Qiao , Chunhua Shen

In this paper, we propose a variety of Long Short-Term Memory (LSTM) based models for sequence tagging. These models include LSTM networks, bidirectional LSTM (BI-LSTM) networks, LSTM with a Conditional Random Field (CRF) layer (LSTM-CRF)…

计算与语言 · 计算机科学 2015-08-11 Zhiheng Huang , Wei Xu , Kai Yu

Joint segmentation and classification of fine-grained actions is important for applications of human-robot interaction, video surveillance, and human skill evaluation. However, despite substantial recent progress in large-scale action…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Colin Lea , Austin Reiter , Rene Vidal , Gregory D. Hager

Cursive handwritten text recognition is a challenging research problem in the domain of pattern recognition. The current state-of-the-art approaches include models based on convolutional recurrent neural networks and multi-dimensional long…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Lalita Kumari , Sukhdeep Singh , VVS Rathore , Anuj Sharma

The success of deep learning often derives from well-chosen operational building blocks. In this work, we revise the temporal convolution operation in CNNs to better adapt it to text processing. Instead of concatenating word…

计算与语言 · 计算机科学 2015-08-19 Tao Lei , Regina Barzilay , Tommi Jaakkola