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Conditional Random Rields (CRF) have been widely applied in image segmentations. While most studies rely on hand-crafted features, we here propose to exploit a pre-trained large convolutional neural network (CNN) to generate deep features…

计算机视觉与模式识别 · 计算机科学 2015-03-31 Fayao Liu , Guosheng Lin , Chunhua Shen

During the last couple of years, Recurrent Neural Networks (RNN) have reached state-of-the-art performances on most of the sequence modelling problems. In particular, the "sequence to sequence" model and the neural CRF have proved to be…

计算与语言 · 计算机科学 2019-04-17 Marco Dinarelli , Loïc Grobol

Like other problems in computer vision, offline handwritten Chinese character recognition (HCCR) has achieved impressive results using convolutional neural network (CNN)-based methods. However, larger and deeper networks are needed to…

计算机视觉与模式识别 · 计算机科学 2017-02-28 Xuefeng Xiao , Lianwen Jin , Yafeng Yang , Weixin Yang , Jun Sun , Tianhai Chang

With the development of the economy, the number of financial tickets increases rapidly. The traditional manual invoice reimbursement and financial accounting system bring more and more burden to financial accountants. Therefore, based on…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Fukang Tian , Haiyu Wu , Bo Xu

Scene text recognition (STR) has attracted much attention due to its broad applications. The previous works pay more attention to dealing with the recognition of Latin text images with complex backgrounds by introducing language models or…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Haiyang Yu , Xiaocong Wang , Bin Li , Xiangyang Xue

Character-level Neural Machine Translation (NMT) models have recently achieved impressive results on many language pairs. They mainly do well for Indo-European language pairs, where the languages share the same writing system. However, for…

计算与语言 · 计算机科学 2018-08-28 Nikola I. Nikolov , Yuhuang Hu , Mi Xue Tan , Richard H. R. Hahnloser

Automatic Part-of-speech (POS) tagging is a preprocessing step of many natural language processing (NLP) tasks such as name entity recognition (NER), speech processing, information extraction, word sense disambiguation, and machine…

计算与语言 · 计算机科学 2022-07-08 Tusarkanta Dalai , Tapas Kumar Mishra , Pankaj K Sa

Named entity recognition is a challenging task that has traditionally required large amounts of knowledge in the form of feature engineering and lexicons to achieve high performance. In this paper, we present a novel neural network…

计算与语言 · 计算机科学 2016-07-20 Jason P. C. Chiu , Eric Nichols

End-to-end approaches have drawn much attention recently for significantly simplifying the construction of an automatic speech recognition (ASR) system. RNN transducer (RNN-T) is one of the popular end-to-end methods. Previous studies have…

计算与语言 · 计算机科学 2019-04-24 Senmao Wang , Pan Zhou , Wei Chen , Jia Jia , Lei Xie

The task of Chinese text spam detection is very challenging due to both glyph and phonetic variations of Chinese characters. This paper proposes a novel framework to jointly model Chinese variational, semantic, and contextualized…

计算与语言 · 计算机科学 2019-09-02 Zhuoren Jiang , Zhe Gao , Guoxiu He , Yangyang Kang , Changlong Sun , Qiong Zhang , Luo Si , Xiaozhong Liu

Convolution Neural Networks (CNN) have recently achieved state-of-the art performance on handwritten Chinese character recognition (HCCR). However, most of CNN models employ the SoftMax activation function and minimize cross entropy loss,…

机器学习 · 计算机科学 2019-09-02 Junyi Zou , Jinliang Zhang , Ludi Wang

Recently, Chinese word segmentation (CWS) methods using neural networks have made impressive progress. Most of them regard the CWS as a sequence labeling problem which construct models based on local features rather than considering global…

计算与语言 · 计算机科学 2019-12-02 Xuewen Shi , Heyan Huang , Ping Jian , Yuhang Guo , Xiaochi Wei , Yi-Kun Tang

Sequence labeling architectures use word embeddings for capturing similarity, but suffer when handling previously unseen or rare words. We investigate character-level extensions to such models and propose a novel architecture for combining…

计算与语言 · 计算机科学 2016-11-15 Marek Rei , Gamal K. O. Crichton , Sampo Pyysalo

Segmental conditional random fields (SCRFs) and connectionist temporal classification (CTC) are two sequence labeling methods used for end-to-end training of speech recognition models. Both models define a transcription probability by…

计算与语言 · 计算机科学 2017-06-07 Liang Lu , Lingpeng Kong , Chris Dyer , Noah A. Smith

Chinese parsing has traditionally been solved by three pipeline systems including word-segmentation, part-of-speech tagging and dependency parsing modules. In this paper, we propose an end-to-end Chinese parsing model based on character…

计算与语言 · 计算机科学 2020-12-09 Yuan Zhang , Zhiyang Teng , Yue Zhang

In this article I proposed a new model to achieve Chinese word segmentation(CWS),which may have the potentiality to apply in other domains in the future.It is a new thinking in CWS compared to previous works,to consider it as a clustering…

计算与语言 · 计算机科学 2020-02-19 Yuze Zhao

The mood of a text and the intention of the writer can be reflected in the typeface. However, in designing a typeface, it is difficult to keep the style of various characters consistent, especially for languages with lots of morphological…

计算机视觉与模式识别 · 计算机科学 2018-12-14 Yonggyu Park , Junhyun Lee , Yookyung Koh , Inyeop Lee , Jinhyuk Lee , Jaewoo Kang

In this work, we address the face parsing task with a Fully-Convolutional continuous CRF Neural Network (FC-CNN) architecture. In contrast to previous face parsing methods that apply region-based subnetwork hundreds of times, our FC-CNN is…

计算机视觉与模式识别 · 计算机科学 2017-08-15 Lei Zhou , Zhi Liu , Xiangjian He

This paper proposes a novel framework for detecting redundancy in supervised sentence categorisation. Unlike traditional singleton neural network, our model incorporates character-aware convolutional neural network (Char-CNN) with…

计算与语言 · 计算机科学 2017-06-06 Xinyu Fu , Eugene Ch'ng , Uwe Aickelin , Simon See

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