![]() ![]() ![]() ![]() Over the last two decades multiple robust algorithmic solutions were proposed. Many studies have been conducted to try to replicate this process, automatically using machines, because face detection is considered as a prerequisite for many computer vision application areas such as security, surveillance, and content based image retrieval. Indeed, a human being is able to easily locate faces in its environment despite difficult conditions such as occlusions of parts of a face and bad lightening. Thereafter he can detect faces in an extremely reliable way. He can extract the information about it and focus only on areas of interest (the phenomenon of attention). This type of object detection has the distinction of having a very large intra-class, making it a particularly difficult problem to solve, especially when one wishes to achieve real time processing.Ī human being has a great ability to analyze images. It consists of automatically finding all the faces in an image despite the considerable variations of lighting, background, appearance of people, position/orientation of faces, and their sizes. Face detection is a fundamental prerequisite step in the process of face recognition. ![]()
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