This comprehensive text on image and video watermarking algorithm using optimization techniques is designed for research scholars and postgraduate students for electronics and communication engineering, electrical and electronics engineering, computer science engineering and also non engineering students use full this text book. The text covers aspects of image and video representation including:1. Comprehensive coverage of image and video watermarking and its applications.2. Image and video watermarking techniques are explained in full and comprehensive treatment of optimization techniques.3. Algorithm developments (software) for Robust Hybrid Image watermarking, DCT-LDPC Algorithm, SVD -CT Algorithm and DWT-SVD based Video watermarking algorithm, DWT-PCA-PSO algorithm, DWT-BT- Firefly algorithm.4. Over approximately 20 pieces of art and numerous illustrative examples are provided to help the reader understand the subject.5. Easy to understand and to learn independently.