| from PIL import Image |
| import matplotlib.pyplot as plt |
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| |
| def log_image(x, opts): |
| return tensor2im(x) |
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|
| def tensor2im(var): |
| var = var.cpu().detach().transpose(0, 2).transpose(0, 1).numpy() |
| var = ((var + 1) / 2) |
| var[var < 0] = 0 |
| var[var > 1] = 1 |
| var = var * 255 |
| return Image.fromarray(var.astype('uint8')) |
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|
| def vis_faces(log_hooks): |
| display_count = len(log_hooks) |
| fig = plt.figure(figsize=(12, 4 * display_count)) |
| gs = fig.add_gridspec(display_count, 4) |
| for i in range(display_count): |
| hooks_dict = log_hooks[i] |
| vis_faces_with_age(hooks_dict, fig, gs, i) |
| plt.tight_layout() |
| return fig |
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|
| def vis_faces_with_age(hooks_dict, fig, gs, i): |
| fig.add_subplot(gs[i, 0]) |
| plt.imshow(hooks_dict['input_face']) |
| plt.title('Input\nOut Sim={:.2f}\nInput Age={:.2f}'.format(float(hooks_dict['diff_input_real']), |
| float(hooks_dict['input_age_real']))) |
| fig.add_subplot(gs[i, 1]) |
| plt.imshow(hooks_dict['target_face']) |
| plt.title('Target\nIn={:.2f},Out={:.2f}\nTarget Age={:.2f}'.format(float(hooks_dict['diff_views_real']), |
| float(hooks_dict['diff_target_real']), |
| float(hooks_dict['target_age_real']))) |
| fig.add_subplot(gs[i, 2]) |
| plt.imshow(hooks_dict['output_face']) |
| plt.title('Output\nTarget Sim={:.2f}\nOuput Age={:.2f}'.format(float(hooks_dict['diff_target_real']), |
| float(hooks_dict['output_age_real']))) |
| fig.add_subplot(gs[i, 3]) |
| plt.imshow(hooks_dict['recovered_face']) |
| plt.title('Recovered\nTarget Sim={:.2f}\nOuput Age={:.2f}'.format(float(hooks_dict['diff_target_cycle']), |
| float(hooks_dict['output_age_cycle']))) |
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|
