First Step First a robust Spot Light Detection (SLD) is executed on the whole grayscale sourc e image in order to detect all visible spots lights.Second Step After an intermediate as sociation step which goal is to define relevant candidate s region from the previously detected spots, an Adaptiv e Template Matcher (ATM) is executed. The matcher algorithm which contains geometric and algorithmic templates de fined as explained in Section III.C evaluates matching co nfidence for every template candidates.Third Step Finally, a simple valida tion step is used to filter the candidates marked by the ATM .