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Chinese character recognition has attracted much research interest due to its wide applications. Although it has been studied for many years, some issues in this field have not been completely resolved yet, e.g. the zero-shot problem.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Jingye Chen , Bin Li , Xiangyang Xue

A text on an image often stores important information and directly carries high level semantics, makes it as important source of information and become a very active research topic. Many studies have shown that the use of CNN-based neural…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Afgani Fajar Rizky , Novanto Yudistira , Edy Santoso

As one of the fundamental problems in document analysis, scene character recognition has attracted considerable interests in recent years. But the problem is still considered to be extremely challenging due to many uncontrollable factors…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Yizhi Wang , Zhouhui Lian , Yingmin Tang , Jianguo Xiao

In this paper, we present a robust method for scene recognition, which leverages Convolutional Neural Networks (CNNs) features and Sparse Coding setting by creating a new representation of indoor scenes. Although CNNs highly benefited the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Guilherme Nascimento , Camila Laranjeira , Vinicius Braz , Anisio Lacerda , Erickson R. Nascimento

The prevalent perspectives of scene text recognition are from sequence to sequence (seq2seq) and segmentation. Nevertheless, the former is composed of many components which makes implementation and deployment complicated, while the latter…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Hongxiang Cai , Jun Sun , Yichao Xiong

The pre-training of text encoders normally processes text as a sequence of tokens corresponding to small text units, such as word pieces in English and characters in Chinese. It omits information carried by larger text granularity, and thus…

Computation and Language · Computer Science 2019-11-05 Shizhe Diao , Jiaxin Bai , Yan Song , Tong Zhang , Yonggang Wang

The ability for computational agents to reason about the high-level content of real world scene images is important for many applications. Existing attempts at addressing the problem of complex scene understanding lack representational…

Computer Vision and Pattern Recognition · Computer Science 2018-02-20 Zachary A. Daniels , Dimitris N. Metaxas

Scene text recognition is a challenging task due to diverse variations of text instances in natural scene images. Conventional methods based on CNN-RNN-CTC or encoder-decoder with attention mechanism may not fully investigate stable and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Ruijie Yan , Liangrui Peng , Shanyu Xiao , Gang Yao

Knowledge of users' emotion states helps improve human-computer interaction. In this work, we presented EmoNet, an emotion detector of Chinese daily dialogues based on deep convolutional neural networks. In order to maintain the original…

Computation and Language · Computer Science 2017-10-04 Jialiang Zhao , Qi Gao

Chinese is one of the most widely used languages in the world, yet online handwritten Chinese character recognition (OLHCCR) remains challenging. To recognize Chinese characters, one popular choice is to adopt the 2D convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ji Gan , Weiqiang Wang , Ke Lu

This study aims to investigate the challenge of insufficient three-dimensional context in synthetic datasets for scene text rendering. Although recent advances in diffusion models and related techniques have improved certain aspects of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Li-Syun Hsiung , Jun-Kai Tu , Kuan-Wu Chu , Yu-Hsuan Chiu , Yan-Tsung Peng , Sheng-Luen Chung , Gee-Sern Jison Hsu

In this paper, we present a study on sample preselection in large training data set for CNN-based classification. To do so, we structure the input data set in a network representation, namely the Relative Neighbourhood Graph, and then…

Machine Learning · Computer Science 2018-03-07 Frédéric Rayar , Masanori Goto , Seiichi Uchida

Text detection, the key technology for understanding scene text, has become an attractive research topic. For detecting various scene texts, researchers propose plenty of detectors with different advantages: detection-based models enjoy…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

In recent years, after the neural-network-based method was proposed, the accuracy of the Chinese word segmentation task has made great progress. However, when dealing with out-of-vocabulary words, there is still a large error rate. We used…

Computation and Language · Computer Science 2019-01-18 Yung-Sung Chuang

Training models to high-end performance requires availability of large labeled datasets, which are expensive to get. The goal of our work is to automatically synthesize labeled datasets that are relevant for a downstream task. We propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-29 Amlan Kar , Aayush Prakash , Ming-Yu Liu , Eric Cameracci , Justin Yuan , Matt Rusiniak , David Acuna , Antonio Torralba , Sanja Fidler

Existing research generally treats Chinese character as a minimum unit for representation. However, such Chinese character representation will suffer two bottlenecks: 1) Learning bottleneck, the learning cannot benefit from its rich…

Computation and Language · Computer Science 2022-11-24 Zhijun Wang , Xuebo Liu , Min Zhang

Named entity recognition (NER) in Chinese is essential but difficult because of the lack of natural delimiters. Therefore, Chinese Word Segmentation (CWS) is usually considered as the first step for Chinese NER. However, models based on…

Computation and Language · Computer Science 2020-07-16 Yuying Zhu , Guoxin Wang , Börje F. Karlsson

This paper investigates a fundamental problem of scene understanding: how to parse a scene image into a structured configuration (i.e., a semantic object hierarchy with object interaction relations). We propose a deep architecture…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Ruimao Zhang , Liang Lin , Guangrun Wang , Meng Wang , Wangmeng Zuo

In the last few years, we have witnessed the rise of a series of deep learning methods to generate synthetic images that look extremely realistic. These techniques prove useful in the movie industry and for artistic purposes. However, they…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Sara Mandelli , Nicolò Bonettini , Paolo Bestagini , Stefano Tubaro

Just like its great success in solving many computer vision problems, the convolutional neural networks (CNN) provided new end-to-end approach to handwritten Chinese character recognition (HCCR) with very promising results in recent years.…

Computer Vision and Pattern Recognition · Computer Science 2015-05-20 Zhuoyao Zhong , Lianwen Jin , Zecheng Xie