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This book constitutes the refereed proceedings of the 8th Interntaional Workshop, IWDW 2009, held in Guildford, Surrey, UK, August 24-26, 2009. The 25 revised full papers, including 4 poster presentations, presented together with 3 invited papers were carefully reviewed and selected from 50 submissions. The papers are organized in topical sections on robust watermarking, video watermarking, steganography...
An adaptive image-based visual servo (IBVS) control for a quadrotor helicopter is proposed in this paper. By employing the adaptive gain in the IBVS control method, performance and stability of the under-actuated system are improved. The performance of the overall approach is validated by numerical and vision integrated hardware-in-the-loop-simulation (HILS) with the nonlinear quadrotor helicopter...
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