U ui(@s0ddlZddlZddlZddlmZz ddlZWn*ek rZedede YnXde_ e Z e ZeeZeZeeZeZeeZeZeeZddZdd Zd d Zd d Zd'ddZ d(ddZ!d)ddZ"d*ddZ#d+ddZ$d,ddZ%d-dd Z&d.d"d#Z'd/d%d&Z(dS)0N) ImageFilez\Please install `face_recognition_models` with this command before using `face_recognition`: zCpip install git+https://github.com/ageitgey/face_recognition_modelsTcCs||||fS)z Convert a dlib 'rect' object to a plain tuple in (top, right, bottom, left) order :param rect: a dlib 'rect' object :return: a plain tuple representation of the rect in (top, right, bottom, left) order )toprightbottomleft)rectrN/home/lhs5088/backend/venv/lib/python3.8/site-packages/face_recognition/api.py _rect_to_css sr cCs t|d|d|d|dS)z Convert a tuple in (top, right, bottom, left) order to a dlib `rect` object :param css: plain tuple representation of the rect in (top, right, bottom, left) order :return: a dlib `rect` object r)dlibZ rectangle)cssrrr _css_to_rect*srcCs<t|ddt|d|dt|d|dt|ddfS)aX Make sure a tuple in (top, right, bottom, left) order is within the bounds of the image. :param css: plain tuple representation of the rect in (top, right, bottom, left) order :param image_shape: numpy shape of the image array :return: a trimmed plain tuple representation of the rect in (top, right, bottom, left) order rr r r )maxmin)rZ image_shaperrr _trim_css_to_bounds4srcCs*t|dkrtdStjj||ddS)a Given a list of face encodings, compare them to a known face encoding and get a euclidean distance for each comparison face. 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The default is "hog". :return: A list of tuples of found face locations in css (top, right, bottom, left) order r"csg|]}tt|jjqSrrr rshape.0Zfacer&rr wsz"face_locations..csg|]}tt|jqSr)rr r+r,r.rr r/ysN)r)r%rr.r face_locationsls r0cCst|||dS)aa Returns an 2d array of dlib rects of human faces in a image using the cnn face detector :param img: A list of images (each as a numpy array) :param number_of_times_to_upsample: How many times to upsample the image looking for faces. Higher numbers find smaller faces. :return: A list of dlib 'rect' objects of found face locations ) batch_size)r#)imagesr'r2rrr _raw_face_locations_batched|sr4cs&fdd}t||}tt||S)a Returns an 2d array of bounding boxes of human faces in a image using the cnn face detector If you are using a GPU, this can give you much faster results since the GPU can process batches of images at once. 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