New image-processing tools and data-processing network systems have considerably increased the volume of transmitted information such as 2D and 3D images with high resolution. This book explores alternatives and research that is converging towards optical/numerical hybrid solutions for high-volume signal and image processing and transmission.

New image-processing tools and data-processing network systems have considerably increased the volume of transmitted information such as 2D and 3D images with high resolution. Thus, more complex networks and long processing times become necessary, and high image quality and transmission speeds are requested for an increasing number of applications. To satisfy these two requests, several, either numerical or optical solutions, were offered separately. Advanced Secure Optical Image Processing for Communications explores both alternatives and describes research works that are converging towards optical/numerical hybrid solutions for high-volume signal and image processing and transmission. Without being limited to hybrid approaches, the latter are particularly investigated in this book in the purpose of combining the advantages of both techniques. Additionally, pure numerical or optical solutions are also considered since they emphasize the advantages of one of the two approaches separately.

1. Optical information security systems based on gyrator wavelet transform

2. Optical One-way Hash Function

3. A survey of Different MIMO and Relay Techniques for Free-Space Optical Communications

4. Coded aperture correlation holography system for recording secured digital holograms of incoherently illuminated 3D scenes

5. Equal Modulus Decomposition based Asymmetric Optical Cryptosystems

6. Information security using fractional transforms

7. Privacy protection by multimodal biometric encryption

8. Nonlinear techniques for secure optical encryption and multifactor authentication

9. Enhanced single random phase holographic encryption of optical images

10. Single-Pixel Optical Information Encoding and Authentication

11. Compressive secure holographic imaging inspired by the cambrian explosion

12. Simultaneous encryption and arithmetic coding for performing image compression

13. A Comparative Study of CFs, LBP, HOG, SIFT, SURF, and BRIEF for security and face recognition