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StarGAN

Ref:
https://github.com/yunjey/stargan
https://arxiv.org/pdf/1711.09020.pdf

StarGAN如圖(b)與其他GAN模型相較受到關注的特色在於其不同Domain間的轉換可以使用同一個模不需要一對一Domain的產生很多組模型如圖(a).


Picture originated from: https://arxiv.org/pdf/1711.09020.pdf








下圖是使用StarGAN生成的圖片一組有六張分別是
Input + Black_Hair +Golden_Hair +Brown_Hair +Gender_Change +Aged 5Domain

Train這個模型在FX705GE(CPU:INTEL i7-8750H, 32G RAM)上花了約39小時作Training, 總共200,000 steps, 執行速度7 sec/ 10steps ,
相對GL753VE(CPU:INTEL i7-7700HQ, 24G RAM) 90 sec/ 10steps <== 只是worker node, 未開啟NVIDIA CUDA

從下列image看來效果有好有壞視人頭比例, training dataset, 相片品質及背景等條件而異.
感謝同仁們(EX-)及致中提供玉照協助!! 使用celebrity datasettraining 及部份testing



        Input               + Black_Hair       + Golden_Hair    + Brown_Hair       + Gender_Change + Aged






               Input            + Black_Hair       + Golden_Hair     + Brown_Hair     + Gender_Change + Aged





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DeepRacer

Preliminary training: deepracer-github-simapp.tar.gz Reward function: ./opt/install/sagemaker_rl_agent/lib/python3.5/site-packages/markov/environments/deepracer_env.py action = [steering_angle, throttle] TRAINING_IMAGE_SIZE = (160, 120) Plotted waypoints in vertices array of hard track Parameters: on_track, x, y, distance_from_center, car_orientation, progress, steps,                                                                          throttle, steering, track_width, waypoints, closest_waypoints Note: Above picture is from https://yanpanlau.github.io/2016/10/11/Torcs-Keras.html