face_dataset.py 文件源码

def __init__(self, paths, classifier_path, input_resize=None, output_resize=None, root='.', margin_ratio=0.3):
        """
        :param paths: image files :see: https://github.com/pfnet/chainer/blob/master/chainer/datasets/image_dataset.py
        :param classifier_path: XML of pre-trained face detector.
        You can find it from https://github.com/opencv/opencv/tree/master/data/haarcascades
        :param input_resize: set it if you want to resize image **before** running face detector
        :param output_resize: target size of output image
        """
        super().__init__(paths=paths, resize=input_resize, root=root)
        self.classifier = cv2.CascadeClassifier(classifier_path)
        self.margin_ratio = margin_ratio
        self.output_resize = output_resize