To achieve high tampering localization precision and low distortion, a semi-fragile reversible
watermarking for authenticating 2D engineering graphics is proposed based on an …

Projection transformation is an important part of geographic analysis in geographic
information systems, which are particularly common for vector geographic data. However …

Security of vector maps is of importance in the community of geographic information
sciences. Although some encryption techniques can protect vector maps from piracy, they …

With the rapid development of digitalization and networking, copying and sharing vector
map data has become convenient, but it also brings security risks such as data interception …

Watermarking plays an import role in digital copyright protection. It enables copyright owners
to embed invisible watermarks within copies of data before distribution. However, most …

The combination of encryption and digital watermarking technologies is an increasingly
popular approach to achieve full lifecycle data protection. Recently, reversible data hiding in …

近年来, 矢量地理数据在政府, 国防, 国土, 交通, 海洋等多个领域广泛应用. 矢量地理数据在存储,
传输, 共享过程中正面临日趋严重的安全威胁. 矢量地理数据的安全保护与数据共享矛盾已成为 …

Developing a security solution for spatial files within today's enterprise Geographical
Information System (GIS) that is also usable presents a multifaceted challenge. These files …

Based on the unprecedented development of current information technology, under the
prevalence of third‐party payment, in order to increase the utilization rate of idle resources …

New media art is different from ready‐made art, installation art, body art, and land art. New
media art is a new art subject category with “optical” media and electronic media as the …