opencv_functions.py 文件源码

def load_cascades():
    # Load Haar cascade files containing features
    cascPaths = ['models/haarcascades/haarcascade_frontalface_default.xml',
                 'models/haarcascades/haarcascade_frontalface_alt.xml',
                 'models/haarcascades/haarcascade_frontalface_alt2.xml',
                 'models/haarcascades/haarcascade_frontalface_alt_tree.xml'
                 'models/lbpcascades/lbpcascade_frontalface.xml']
    faceCascades = []
    for casc in cascPaths:
        faceCascades.append(cv.CascadeClassifier(casc))

    return faceCascades

# Do Haar cascade face detection on a single image
# Face detection returns a list of faces
# Where each face is the coordinates of a rectangle containing a face:
#   (x,y,w,h)