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- import cv2
- import os
- import pickle
- from PIL import Image
- import numpy as np
- BASE_DIR = os.path.dirname(os.path.abspath(__file__))
- image_dir = os.path.join(BASE_DIR, "images")
- face_cascade = cv2.CascadeClassifier('cascades/data/haarcascade_frontalface_alt.xml')
- recognizer = cv2.face.LBPHFaceRecognizer_create()
- current_id = 0
- label_ids = {}
- y_labels = []
- x_train = []
- for root, dirs, files in os.walk(image_dir):
- for file in files:
- if file.endswith("png") or file.endswith("jpg"):
- path = os.path.join(root, file)
- label = os.path.basename(root).replace(" ", "-").lower()
- # print(label, path)
- if not label in label_ids:
- label_ids[label] = current_id
- current_id += 1
- id_ = label_ids[label]
- print(label_ids)
- # y_labels.append(label) # some number
- # x_train.append(path) # verify this image, turn into NUMPY array, GRAY
- pil_image = Image.open(path).convert("L") # grayscale
- size = (550, 550)
- final_image = pil_image.resize(size, Image.ANTIALIAS)
- image_array = np.array(final_image, "uint8")
- # print(image_array)
- faces = face_cascade.detectMultiScale(image_array, scaleFactor=1.5, minNeighbors=5)
- for(x, y, w, h) in faces:
- roi = image_array[y:y+h, x:x+h]
- x_train.append(roi)
- y_labels.append(id_)
- # print(y_labels)
- # print(x_train)
- with open("labels.pickle", 'wb') as f:
- pickle.dump(label_ids, f)
- recognizer.train(x_train, np.array(y_labels))
- recognizer.save("trainner.xml")
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