Alpine rivers have been channelized by significant river training works in the past two centuries and are now disconnected from their natural environment. In addition, their flow regime is often affected by hydropower plant operation. Also the risk of flood damages is increasing continuously due to urbanization requiring additional flood protection measures. Nevertheless, such trained rivers st...

Nowadays digital watermarking has become an important technique, because using computational tools, digital contents can be copied and/or modified easily. At the beginning, the digital watermarking has been used for either copyright protection purpose or content authentication purpose. However, in many situations both purposes (copyright protection and content authentication) are required to be...