A Review on Face Photo-Sketch Synthesis

Face sketch synthesis is a process of creating a sketch from available face photograph. This process is widely used in law enforcement and digital entertainment. If some factors except the facial are not present in training set, but they are present in photograph like hairpin, hair style, glasses, then it becomes more difficult to handle. And existing methods fails if the photographs are of different background and size. This results to poor quality of sketches. For that purpose different approaches are proposed. And this paper contains a review of all existing approaches were used for face sketch synthesis.