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Inicio  /  Applied Sciences  /  Vol: 12 Par: 14 (2022)  /  Artículo
ARTÍCULO
TITULO

Evaluation of a Framework for Robust Image Reversible Watermarking

Jose Juan Garcia-Hernandez    
Claudia Feregrino-Uribe    
Alejandra Menendez-Ortiz and Dan Williams Robledo-Cruz    

Resumen

In the literature, robust reversible watermarking schemes (RWSs) allow the extraction of watermarks after the images have suffered attacks; however, the modified images are compromised. On the other hand, self-recovery schemes will restore the compromised regions of the images, but no secret messages are inserted in these schemes. A framework for robust reversible watermarking with signal restoration capabilities was previously proposed in the literature. This study selects four fragile reversible watermarking techniques and two self-recovery schemes to design different framework configurations. These configurations are evaluated to test the framework?s performance and determine the structure that yields better results in terms of perceptual transparency using a well-known image database as the signal input. It was found that fragile reversible watermarking schemes hold low perceptual distortion, while self-recovery schemes produce high perceptual distortion levels. The inherent characteristics of each algorithm determine, a priori, the behavior of the framework, which is approximated by a proposed equation.