... Oracle Research Laboratory, The Olivetti & Oracle Research Laboratory Face Database of Faces,http://www.cam-orl.co.uk/facedatabase.html.[18] I. Koren, Computer Arithmetic Algorithms,AKPeters,Natick,Mass, ... preprocessing like cropping, data classification, andcolor model change.Figure 6 shows the classification result of 220 face andnon -face data. X-axis shows the data number of face dataTable 5: ... to examine how neural network-based face detector can employ the minimal num-ber of bits in an FPU to reduce hardware resources, yetmaintain a face detector’s overall accuracy.This paper is...