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Research on the Digital Watermarking Algorithms and Attack Methods for Vector Geospatial Data
Author: GuoSiYuan
Tutor: ZhuChangQing
School: PLA Information Engineering University
Course: Cartography and Geographic Information Systems
Keywords: Vector the geographic space data The spatial domain Watermarking algorithm Blind watermark Attack methods Assessment model
CLC: P208
Type: Master's thesis
Year: 2008
Downloads: 16
Quote: 1
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Abstract
The the digital watermark technology is the the the in recent years the international academic community the rise of of the a the field of cuttingedge research , it through the embedded in the watermark in the the the digital products in the the to be protected to prove the copyrighted by the case of or tracking the tort . The geospatial data is the to describe the the of the important information of of the for mankind's survival the Earth , is the the the necessary basis for of the the the countries the basis of facilities and the the Earth scientific research of the . With the the the rapidly development and wide application of the the digital watermark technology of the , in recent years , , the digital watermark technology the in particular is in the the safety of geospatial and data vector the geographic space data safety aspects of caused by the the a high degree of attach importance to of the people of the . In this paper , in order to the vector geographic space data digital watermark technology The major points for the study of should , on the the vector geographic spatial data watermark algorithm , attack methods and assessment of model carried out research, the main research the the contents of and the outcome of of there are : ( 1 ) analysis of the watermarking technology of the data digital of the the vector geospatial the principle of and characteristics of , for the the research of the the data watermark of the of the vector geographic space has the establishment of a theoretical basis for . ( 2 ) put forward a one kinds of based on the the of the space domain of of the grayscale image watermark vector the data watermark algorithm of the geospatial . On top of the On this basis, , put forward a one kinds of can improve the the the An Improved Algorithm for of the data the accuracy of . In addition , also put forward the a one kinds of space domain vector geographic space data Blind Watermarking Algorithm . (3) summarizes the and analyze the a vector geographic the the of the commonly used attack of method of of the space data watermark , and put forward a on the the the classification of of the attack methods and on hierarchical dividing . ( 4 ) put forward a one kinds of of in order to the user as the center vector geographic space data watermark assessment model , The model in order to the the the actual needs of of the the user's  oriented company , and The assessment on the conducted by by the watermark algorithm is more has a the the the actual significance and the the the value in use of . ( 5 ) based on the to the the algorithm of the the vector geographic space data watermark of the , an attacker method , and assessment of model , the , the design the with the to achieve the software of the a the the algorithm , The attack and an assessment of of of vector geographic space data watermark of the verify that the system .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > General issues > Mapping database and information system
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