A Reversible Decryption Model for Vector and Raster Integration Based on Trigonometric Function

doi:10.13474/j.cnki.11-2246.2017.0322

Abstract

Abstract: Vector-raster geographic data are important part of basic geographic information data, hence the research on its security is very important. These data are open for share and use only when decrypted in terms of our country's relevant laws and regulations on decrypted geometric precision of public maps. Based on analysis of properties of description by trigonometric function, this paper devised a reversible description model for integrated vector-raster geographic data by trigonometric function with considering of the characteristics of stack use of these data. Experiments show that the model maintains well the topological relations of geographical entities with fast processing speed, high security, controlled error and good data connections.

Key words: vector-raster geographic data, decryption model, trigonometric function, decryption characteristic

CLC Number:

P208

YU Hui, ZHOU Wei, MA Xinnian. A Reversible Decryption Model for Vector and Raster Integration Based on Trigonometric Function[J]. 测绘通报, 2017, 0(10): 89-94.

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