1. Larson, G. and Shakespeare, R., [Rendering with Radiance: The Art and Science of Lighting Visualization ], Computer Graphics and Geometric Modeling Series, Morgan Kaufmann (1998).
2. Framework for objective evaluation of privacy filters
3. The “which blair project”: a quick visual method for evaluating perceptual color maps,;Rogowitz,2001
4. The FERET evaluation methodology for face-recognition algorithms
5. Using Warping for Privacy Protection in Video Surveillance,;Korshunov,2013