Handwritten Chinese character recognition using fuzzy image alignment

Fangyi Li, Qiang Shen, Neil MacParthalain, Ying Li

Research output: Contribution to journalArticlepeer-review

10 Citations (SciVal)
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Abstract

The task of handwritten Chinese character recognition is one of the most challenging areas of human handwriting classification. The main reason for this is related to the writing system itself which encompasses thousands of characters, coupled with high levels of diversity in personal writing styles and attributes. Much of the existing work for both online and off-line handwritten Chinese character recognition has focused on methods which employ feature extraction and segmentation steps. The preprocessed data from these steps form the basis for the subsequent classification and recognition phases. This paper proposes an approach for handwritten Chinese character recognition and classification using only an image alignment technique and does not require the aforementioned steps. Rather than extracting features from the image, which often means building models from very large training data, the proposed method instead uses the mean image transformations as a basis for model building. The use of an image-only model means that no subjective tuning of the feature extraction is required. In addition by employing a fuzzy-entropy-based metric, the work also entails improved ability to model different types of uncertainty. The classifier is a simple distance-based nearest neighbour classification system based on template matching. The approach is applied to a publicly available real-world database of handwritten Chinese characters and demonstrates that it can achieve high classification accuracy and is robust in the presence of noise.
Original languageEnglish
Pages (from-to)2939–2949
JournalSoft Computing
Volume20
Issue number8
Early online date17 Nov 2015
DOIs
Publication statusPublished - 01 Aug 2016

Keywords

  • handwritten Chinese character recognition
  • fuzzy entropy
  • group-wise image alignment

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