face_detector.py 文件源码

def __init__(self, haarCascadeFilePath, videoCapture):
        try:
            self.faceCascade = cv2.CascadeClassifier(haarCascadeFilePath)
        except:
            raise Exception("Error creating haar cascade classifier. Are you sure file " + haarCascadeFilePath + " exists?")
        self.videoCapture = videoCapture
        self.foundFace = False
        self.trackedFace = None
        self.trackedFaceROI = None
        self.templateMatchingStartTime = cv2.getTickCount()
        self.templateMatchingCurrentTime = cv2.getTickCount()
        self.isTemplateMatchingRunning = False
        self.img = None