Optical security features for plastic card documents [3314-32]
Two-dimensional two-step Fourier spectrum analysis for similar-image identification [3314-14]
How do you select the right security features for your company's products? [3314-06]
Evaluation of security features in new design of U.S. currency [3314-02]
Color pictorial serpentine halftone for secure embedded data [3314-34]
Additional security features for optically variable foils [3314-25]
Results of attacks on a claimed robust digital image watermark [3314-11]
LEAN: laser-etched aqua number [3314-27]
Biometric Encryption using image processing [3314-41]
Holocomposer: progress toward a high-security holographic identification card [3314-22]