Journal of Geo-information Science, Volume. 22, Issue 3, 379(2020)

A Perceptual Hash Algorithm for DEM Data Authentication and Tamper Localization

Xingang ZHANG1...1,2,2,3,3, Haowen YAN1,1,2,2,3,3,*, and Liming ZHANG1,1,2,2,33 |Show fewer author(s)
Author Affiliations
  • 1Faculty of Geomatics, Lanzhou Jiaotong University, Lanzhou 730070, China
  • 1兰州交通大学测绘与地理信息学院,兰州 730070
  • 2National-Local Joint Engineering Research Center of Technologies and Applications for National Geographic State Monitoring, Lanzhou 730070, China
  • 2地理国情监测技术应用国家地方联合工程研究中心,兰州 730070
  • 3Gansu Provincial Engineering Laboratory for National Geographic State Monitoring, Lanzhou 730070, China
  • 3甘肃省地理国情监测工程实验室,兰州 730070
  • show less
    Figures & Tables(8)
    Perceptual hash algorithm for DEM data authentication
    Discrete cosine transformation result of grid unit
    Original experimental data and grid partitioned data
    Rendering graphs of different DEM data attack types
    Tamper localization tests
    • Table 1. Statistical results of robustness tests

      View table
      View in Article

      Table 1. Statistical results of robustness tests

      攻击类型数据A数据B
      相对中误差检测哈希度量认证结果准确性相对中误差检测哈希度量认证结果准确性
      水印嵌入通过通过通过认证准确通过通过通过认证准确
      格式转为img通过通过通过认证准确通过通过通过认证准确
      格式转为dat通过通过通过认证准确通过通过通过认证准确
    • Table 2. Statistical results of tamper detection

      View table
      View in Article

      Table 2. Statistical results of tamper detection

      攻击类型数据A数据B
      中误差检测哈希度量认证结果准确性中误差检测哈希度量认证结果准确性
      不做修改通过通过通过准确通过通过通过准确
      高程平移(10 m)不通过不通过准确不通过不通过准确
      高程缩放(99%)不通过不通过准确不通过不通过准确
      噪声攻击(0.1%)通过不通过不通过准确不通过不通过准确
      噪声攻击(1%)不通过不通过准确不通过不通过准确
      众值滤波(4像元)通过不通过不通过准确通过不通过不通过准确
      众值滤波(8像元)通过不通过不通过准确通过不通过不通过准确
      部分替换不通过不通过准确不通过不通过准确
    • Table 3. Statistical results of the Hamming distance

      View table
      View in Article

      Table 3. Statistical results of the Hamming distance

      数据名称格网类型平均汉明距离
      A'篡改格网0.836
      未篡改格网0.010
      B'篡改格网0.854
      未篡改格网0.009
    Tools

    Get Citation

    Copy Citation Text

    Xingang ZHANG, Haowen YAN, Liming ZHANG. A Perceptual Hash Algorithm for DEM Data Authentication and Tamper Localization[J]. Journal of Geo-information Science, 2020, 22(3): 379

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Received: Jun. 26, 2019

    Accepted: --

    Published Online: Sep. 16, 2020

    The Author Email: YAN Haowen (haowen2010@gmail.com)

    DOI:10.12082/dqxxkx.2020.190336

    Topics