搜索结果: 1-4 共查到“测绘科学技术 Watermarking”相关记录4条 . 查询时间(0.046 秒)
Study on Copyright Authentication of GIS Vector Data Based on Zero-Watermarking
GIS Copyright Authentication Digital Product Vector Data Zero-watermarking Hash
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2015/12/18
GIS vector data is closely linked with the development of social economy and national defense, which is of high production cost and high precision, so the copyright protection of GIS vector data means...
Research on the Autocorrelation Detection in Digital Watermarking Techniques
Digital Watermarking Autocorrelation Detection Multiple Watermarking Robustness
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2015/12/11
Based on the self-characteristic of digital watermarking techniques and the multi-statistic theory, this paper makes a research on the watermark autocorrelation detection. First, the setting of detect...
An Adaptive Content Based Localized Watermarking Algorithm for Remote Sensing Image
Vision Application Algorithms Feature Image Spot
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2015/5/27
In this paper, we proposed a new adaptive content-based localized watermarking algorithm for remote sensing images based on DWT,which adaptively embeds corresponding watermarks into the local regions ...
FEATURE-BASED DIGITAL WATERMARKING FOR REMOTE SENSING IMAGES
Watermarking Feature Extraction Transformation Quality Robustness
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2014/4/28
With the rapid development of information and communication technology, people can acquire and distribute many kinds of digital data more conveniently than before. The consequence is that the "copyrig...