A Review on Models of Human Face Verification Techniques

Face verification has a huge impact in different types of media purpose, like security access control, monitoring and control, retrieval of images, etc. They are used in many domains such as banks, airplanes, police areas and others. On the other hand, the presence of variable illumination, pretense, facial look, aging and other unsystematic reasons regularly cause identification errors. Moreover, increase the level of controlling and executing of the face verification methods is not only difficult but also a critical sense of function. The aim of this research is to make a review on some selected researcher's work, the methods used by them for face verifications, their findings and to see which one is optimal and for what it is used. Anyway, there is no specific protocol to judge these methods and also there is no 100% accuracy of them.