计算机科学 ›› 2015, Vol. 42 ›› Issue (7): 22-27.doi: 10.11896/j.issn.1002-137X.2015.07.006
廖 璋 熊胜超 彭智勇 彭煜玮
LIAO Zhang XIONG Sheng-chao PENG Zhi-yong PENG Yu-wei
摘要: 目前地理数据水印方法有很多,但大都缺少对地理数据同步保护的考虑,同时没有在同步保护的基础上进行多版权水印嵌入的方法。分析了地理数据增量水印和多版权水印的问题,基于量化调制技术,提出了一种能兼顾增量水印和多版权水印的地理数据水印方法。该方法采用基于距离划分的策略,将特征点集划分成两个可重现的不相交子集,通过分别缩放两个子集嵌入双重水印,保证了所有顶点都只在精度范围内修改一次,使保真性得到控制。此外,缩放调制策略使地理数据形状尽可能得到保证。实验表明,该方法能满足增量水印和多版权水印的要求,同时具有很好的鲁棒性。
[1] Samoa M,Matsuura Y,Takashima Y.A Scheme of digital watermarking for geographical mapdata[C]∥Proc.of the Symposium on Cryptography and Information Security.Okinama,Japan,2000:26-28 [2] Schulz G,Voigt M.A high capacity watermarking system fordigital maps[C]∥Proc.ACM Int.Workshop on Multimedia and Security.Magdeburg,Germany,Sep.2004:180-186 [3] Kang H.A vector watermarking using the generalized squaremask[C]∥Proc.of the InternationalConference on Information Technology:Coding and Computing.Las Vegas,NV,USA,2001:234-236 [4] Ohbuchi.Robust watermarking of vector digital maps[C]∥Proc.of the IEEE International Conferenceon Multimedia and Expo.,Lausanne,Switzerland,vol.1,2002:577-580 [5] Voigt M,Busch C.Feature-based watermarking of 2D-vector data[C]∥Proc.of the SPIE,Securityand Watermarking of Multimedia Content.Santa Clara,USA,vol.5020,2003:359-366 [6] Zhang L,et al.New robust watermarking algorithm for vector data[J].Wuhan University Journal of Natural Sciences,2010,15(5):403-407 [7] Bazin C,Le Bars J M,Madelaine J.A blind,fast and robustmethod for geographical data watermarking[C]∥ACM Symposium on Information,Computer and Communications Security.2007:265-272 [8] Lee S H,Kwon K R.Vector watermarking scheme for GIS vector map management[J].Multimedia tools and applications,2013,3(3):757-790 [9] Yan Hao-wen,Li J,Wen Hong.A key points-based blind watermarking approach for vector geo-spatial data[J].Computers,Environment and Urban Systems,2011,35(6):485-492 [10] 邵承永,汪海龙,牛夏牧,等.基于统计特征的二维矢量地图鲁棒水印算法[J].电子学报,2005,33:2312-2316 Shao Cheng-yong,Wang Hai-long,Niu Xia-mu,et al.A Robust Watermarking Algorithm for 2 D Vector Maps Based on Statistic Detection[J].Acta Electronica Sinica,2005,33:2312-2316 [11] Lafaye J B,Gross-Amblard D.Invisible graffiti on your buildings:blind and squaring-proof watermarking of geographical databases[C]∥Lecture notes in computer science,advances in spatial and temporal databases.LNCS 4605,2007:312-329 [12] Jungyeop K.Vector map digital watermarking using angles[C]∥2010 Sixth International Conference on Networked Computing and Advanced Information Management (NCM).2010 [13] 汪传建,葛贺飞,丁卯,等.一种基于可变步长量化调制的地理数据库水印方法[J].计算机研究与发展,2011,48(10):1960-1971 Wang Chuan-jian,Ge He-fei,Ding Mao,et al.A Geographic Databases Watermarking Method Based on Quantization Modulation with Variable Steps[J].Journal of Computer Research and Development,2011,48(10):1960-1971 [14] Wang Chuan-jian,et al.Watermarking geographical data on spatial topological relations[J].Multimedia Tools and Applications,2012,57(1):67-89 [15] Wu Bai-yan,Wang Wei-a,Miao Dan-dan.2D vector map watermarking based on spatial relations[C]∥International Conference on Earth Observation Data Processing and Analysis (ICEODPA).2008 [16] 刘晓红,李树军,黄文骞.制图综合中偏角限制道格拉斯算法研究[J].测绘与空间地理信息,2006,29(1):59-60 Liu Xiao-hong ,Li Shu-jun,Huang Wen-qian.Study of Douglas-Peucker Algorithm Controlling by the Goniometry in Generalization[J].Geomatics & Spatial Information Technology,2006,9(1):59-60 |
No related articles found! |
|