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JIA Peihong, CHEN Yunzhen, MA Jinsong, ZHU Dakui. Digital Watermark-based Security Technology for Geo-spatial Graphics Data[J]. Chinese Geographical Science, 2006, 16(3): 276-281.
Citation: JIA Peihong, CHEN Yunzhen, MA Jinsong, ZHU Dakui. Digital Watermark-based Security Technology for Geo-spatial Graphics Data[J]. Chinese Geographical Science, 2006, 16(3): 276-281.
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Digital Watermark-based Security Technology for Geo-spatial Graphics Data

  • 1.

    The Key Laboratory of Coast & Inland Development of Ministry of Education, Nanjing University, Nanjing 210093, China;

  • 2.

    Jiangsu Provincial Survey Bureau, Nanjing 210013, China

  • Received Date: 2006-05-08
  • Rev Recd Date: 2006-08-15
  • Publish Date: 2006-09-20
  • The paper presents a set of techniques of digital watermarking by which copyright and user rights messages are hidden into geo-spatial graphics data, as well as techniques of compressing and encrypting the watermarked geo-spatial graphics data. The technology aims at tracing and resisting the illegal distribution and duplication of the geo-spatial graphics data product, so as to effectively protect the data producer's rights as well as to facilitate the secure sharing of geo-spatial graphics data. So far in the GIS field throughout the world, few researches have been made on digital watermarking. The research is a novel exploration both in the field of security management of geo-spatial graphics data and in the applications of digital watermarking technique. An application software employing the pro- posed technology has been developed. A number of experimental tests on the 1:500,000 digital bathymetric chart of the South China Sea and 1:10,000 digital topographic map of Jiangsu Province have been conducted to verify the feasibility of the proposed technology.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Digital Watermark-based Security Technology for Geo-spatial Graphics Data

  • 1. The Key Laboratory of Coast & Inland Development of Ministry of Education, Nanjing University, Nanjing 210093, China;
  • 2. Jiangsu Provincial Survey Bureau, Nanjing 210013, China
  • Received Date: 2006-05-08
  • Rev Recd Date: 2006-08-15
  • Publish Date: 2006-09-20

Abstract: The paper presents a set of techniques of digital watermarking by which copyright and user rights messages are hidden into geo-spatial graphics data, as well as techniques of compressing and encrypting the watermarked geo-spatial graphics data. The technology aims at tracing and resisting the illegal distribution and duplication of the geo-spatial graphics data product, so as to effectively protect the data producer's rights as well as to facilitate the secure sharing of geo-spatial graphics data. So far in the GIS field throughout the world, few researches have been made on digital watermarking. The research is a novel exploration both in the field of security management of geo-spatial graphics data and in the applications of digital watermarking technique. An application software employing the pro- posed technology has been developed. A number of experimental tests on the 1:500,000 digital bathymetric chart of the South China Sea and 1:10,000 digital topographic map of Jiangsu Province have been conducted to verify the feasibility of the proposed technology.

JIA Peihong, CHEN Yunzhen, MA Jinsong, ZHU Dakui. Digital Watermark-based Security Technology for Geo-spatial Graphics Data[J]. Chinese Geographical Science, 2006, 16(3): 276-281.
Citation: JIA Peihong, CHEN Yunzhen, MA Jinsong, ZHU Dakui. Digital Watermark-based Security Technology for Geo-spatial Graphics Data[J]. Chinese Geographical Science, 2006, 16(3): 276-281.
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