@startuml ec_image_utiils
class ImageUtils {
  {static} load_image(filename : string) : image
  {static} normalize(img : image) : image
  {static} detect_faces_with_mtcnn(img : image) : List[boundingBox]
  {static} crop_faces_to_160x160(img : image, bounding_boxes : List[boundingBox]) : imageArray
  {static} get_user_cropped_image_from_photo(filename : string) : image
}
@enduml