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| """ | |
| Internal code snippets were obtained from https://github.com/SystemErrorWang/White-box-Cartoonization/ | |
| For it to work tensorflow version 2.x changes were obtained from https://github.com/steubk/White-box-Cartoonization | |
| """ | |
| import os | |
| import uuid | |
| import time | |
| import subprocess | |
| import sys | |
| import cv2 | |
| import numpy as np | |
| import skvideo.io | |
| try: | |
| import tensorflow.compat.v1 as tf | |
| except ImportError: | |
| import tensorflow as tf | |
| import network | |
| import guided_filter | |
| class WB_Cartoonize: | |
| def __init__(self, weights_dir, gpu): | |
| if not os.path.exists(weights_dir): | |
| raise FileNotFoundError("Weights Directory not found, check path") | |
| self.load_model(weights_dir, gpu) | |
| print("Weights successfully loaded") | |
| def resize_crop(self, image): | |
| h, w, c = np.shape(image) | |
| if min(h, w) > 720: | |
| if h > w: | |
| h, w = int(720*h/w), 720 | |
| else: | |
| h, w = 720, int(720*w/h) | |
| image = cv2.resize(image, (w, h), | |
| interpolation=cv2.INTER_AREA) | |
| h, w = (h//8)*8, (w//8)*8 | |
| image = image[:h, :w, :] | |
| return image | |
| def load_model(self, weights_dir, gpu): | |
| try: | |
| tf.disable_eager_execution() | |
| except: | |
| None | |
| tf.reset_default_graph() | |
| self.input_photo = tf.placeholder(tf.float32, [1, None, None, 3], name='input_image') | |
| network_out = network.unet_generator(self.input_photo) | |
| self.final_out = guided_filter.guided_filter(self.input_photo, network_out, r=1, eps=5e-3) | |
| all_vars = tf.trainable_variables() | |
| gene_vars = [var for var in all_vars if 'generator' in var.name] | |
| saver = tf.train.Saver(var_list=gene_vars) | |
| if gpu: | |
| gpu_options = tf.GPUOptions(allow_growth=True) | |
| device_count = {'GPU':1} | |
| else: | |
| gpu_options = None | |
| device_count = {'GPU':0} | |
| config = tf.ConfigProto(gpu_options=None, device_count={'GPU':0}) | |
| self.sess = tf.Session(config=config) | |
| self.sess.run(tf.global_variables_initializer()) | |
| saver.restore(self.sess, tf.train.latest_checkpoint(weights_dir)) | |
| def infer(self, image): | |
| image = self.resize_crop(image) | |
| batch_image = image.astype(np.float32)/127.5 - 1 | |
| batch_image = np.expand_dims(batch_image, axis=0) | |
| ## Session Run | |
| output = self.sess.run(self.final_out, feed_dict={self.input_photo: batch_image}) | |
| ## Post Process | |
| output = (np.squeeze(output)+1)*127.5 | |
| output = np.clip(output, 0, 255).astype(np.uint8) | |
| return output | |
| def process_video(self, fname, frame_rate): | |
| ## Capture video using opencv | |
| cap = cv2.VideoCapture(fname) | |
| target_size = (int(cap.get(3)),int(cap.get(4))) | |
| output_fname = os.path.abspath('{}/{}-{}.mp4'.format(fname.replace(os.path.basename(fname), ''),str(uuid.uuid4())[:7],os.path.basename(fname).split('.')[0])) | |
| out = skvideo.io.FFmpegWriter(output_fname, inputdict={'-r':frame_rate}, outputdict={'-r':frame_rate}) | |
| while True: | |
| ret, frame = cap.read() | |
| if ret: | |
| frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) | |
| frame = self.infer(frame) | |
| frame = cv2.resize(frame, target_size) | |
| out.writeFrame(frame) | |
| else: | |
| break | |
| cap.release() | |
| out.close() | |
| final_name = '{}final_{}'.format(fname.replace(os.path.basename(fname), ''), os.path.basename(output_fname)) | |
| p = subprocess.Popen(['ffmpeg','-i','{}'.format(output_fname), "-pix_fmt", "yuv420p", final_name]) | |
| p.communicate() | |
| p.wait() | |
| os.system("rm "+output_fname) | |
| return final_name | |
| if __name__ == '__main__': | |
| gpu = len(sys.argv) < 2 or sys.argv[1] != '--cpu' | |
| wbc = WB_Cartoonize(os.path.abspath('white_box_cartoonizer/saved_models'), gpu) | |
| img = cv2.imread('white_box_cartoonizer/test.jpg') | |
| img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) | |
| cartoon_image = wbc.infer(img) | |
| import matplotlib.pyplot as plt | |
| plt.imshow(cartoon_image) | |
| plt.show() | |