Keyword spotting on Hangul document images using two-level image-to-image matching

  • Authors:
  • Sang Cheol Park;Hwa Jeong Son;Chang Bu Jeong;Soo Hyung Kim

  • Affiliations:
  • Department of Computer Science, Chonnam National University, Yongbong-dong, Buk-gu, Kwangju, Korea;Department of Computer Science, Chonnam National University, Yongbong-dong, Buk-gu, Kwangju, Korea;Department of Computer Science, Chonnam National University, Yongbong-dong, Buk-gu, Kwangju, Korea;Department of Computer Science, Chonnam National University, Yongbong-dong, Buk-gu, Kwangju, Korea

  • Venue:
  • IEA/AIE'2005 Proceedings of the 18th international conference on Innovations in Applied Artificial Intelligence
  • Year:
  • 2005

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Abstract

A lot of printed documents and books has been published and saved as a form of images in digital libraries. Searching for a specified query word on document images is a challenging problem. The OCR software helps the images to be converted to the machine readable documents to search a full context [1]. Another approach [1, 2] is image-based one, in which both the document images and word information are saved in a database. The searching procedure is accomplished through comparing the features of query word image with the word images extracted from document images in the database. In this paper, we propose an accurate and fast keyword spotting system for searching user-specified keyword in Hangul document images by a two-level image-to-image matching method.