Photograph’s Exposure Control by Fuzzy Logic

This paper presents a fuzzy control system of the exposure value (EV) of a digital camera. The intelligent controller considers fuzzy input variables, applies fuzzy rules and provides fuzzy and crisp results for the focal length, EV, aperture, and speed of a digital camera in an automatic way. The control system calculates the most appropriate solution considering the distance to the subject and the lighting conditions. The results obtained resemble the behavior of an intermediate level photographer. The prototype controller was developed with Xfuzzy and Java.