func normalizeFaces(numFaces int) []eigenface.FaceVector {
filePattern := getPath() + "static/img/orl_faces/%v.png"
faces := make([]eigenface.FaceVector, numFaces)
for i := 0; i < numFaces; i++ {
filename := fmt.Sprintf(filePattern, i+1)
faces[i] = faceimage.ToVector(filename)
}
return eigenface.Normalize(faces)
}
func scratch(w http.ResponseWriter, r *http.Request) {
f := faceimage.ToVector("static/img/orl_faces/1.png")
averageFaces(5)
saveVector(f, w, r)
fmt.Fprint(w, "Done!")
}