WET: Watermarking, Encryption and transcoding.

  • Dooms, Ann (Administrative Promotor)
  • Van De Walle, Rik (Coördinator)
  • Preneel, Bart (Co-Promotor)

Project Details


Encryption, or cryptography in general, provides means for secure delivery of content to the consumer such that only rightful persons can derive the original information from its encrypted version. Once the content is decrypted, however, this protection is gone. Watermarking can complement cryptography in this scenario by embedding information within the content itself. When producing and distributing video, next to security issues, one also often has to deal with varying transport networks and end-user devices. Here one aims for the principle 'encode once - use many' which can be accomplished by H.264/AVC and SVC encoded video. Hence, in theory, security and flexible encoding solutions exist, however in reality, when combining these techniques no low-complexity off-the-shelf solutions exist. Therefore we will investigate how transcoding (of the bit rate and/or spatial resolution) and watermarking can be performed directly on encrypted (format-compliant) H.264/AVC or SVC encoded video to optimally balance between robust watermarks, transcoding possibilities and security of the encryption routine. By joining the complementary expertise of the involved research groups MMLab, ETRO-IRIS and COSIC this can be accomplished through this novel fundamental scientific research. Furthermore, the obtained results can give new insights in related problems and recommendations for future video codecs.
Effective start/end date1/01/1131/12/14


  • Numerical Linear Algebra
  • Digital Image Processing
  • Low Power Cmos
  • Embedded System Design
  • Image Reconstruction
  • Displays
  • Audio Processing
  • Micro-Electronics Technology
  • Light Detectors
  • Sige Bicmos Design
  • Satellite Image Analysis
  • Telemedicine
  • Medical Image Analysis
  • Inverse Problems
  • Video Compression
  • JPEGx
  • Neural Networks
  • Mine Detection
  • Vision
  • Digital Signal Processing
  • Electronic System Design
  • Machine Vision
  • Micro Electronics
  • Cmos Design
  • Chip Interconnects (Inter / Intra)
  • Humanitarian Demining
  • Speech Processing
  • Mpegx
  • Light Emitters
  • Pattern Recognition
  • Mm-Wave Technology
  • Robot Vision
  • Impedance Tomography
  • Image Compression
  • Light Modulators
  • Opto-Electronics
  • Motion Estimation And Tracking
  • Medical Image Visualization
  • Computer Aided Electronic Design
  • Multispectral Image Analysis
  • Electronics
  • Computer Vision
  • Image Processing
  • Image Analysis
  • Industrial Visual Inspection

Flemish discipline codes in use since 2023

  • (Bio)medical engineering
  • Mathematical sciences and statistics
  • Electrical and electronic engineering


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