Files
cvpr/inference_custom.py
T

105 lines
3.1 KiB
Python

import tensorflow as tf
import os
import sys
import cv2
import numpy as np
from PIL import Image
from dataset import DatasetSimple
from load_models import load_generator
from tf_utils import allow_memory_growth
def m2uv_array(m2uv):
result = np.zeros((14475, 2), dtype=np.int32)
for k, v in m2uv.items():
if len(v) == 2:
result[k] = list(v)
elif len(v) == 1:
x = v.pop()
result[k] = [x, x]
else:
assert False
return result
def uv_to_mesh(uv):
uv_res = 256
m2uv = np.load('MeshUtils/m2uv.npy', allow_pickle=True).item()
m2uv = m2uv_array(m2uv)
uv_map = np.load('Meshutils/stretched_uv_map_3.npy')
uv_map_discreet = np.floor(uv_map * uv_res).astype(np.int32)
mesh = np.zeros((14475, 3))
uv_pixels = uv_map_discreet[m2uv]
# counter = np.ones((14475))
# counter[m2uv[:, 0] == m2uv[:, 1]] = 2
mesh = np.mean(uv[uv_pixels[:, :, 0], uv_pixels[:, :, 1], :], axis=1) # / counter[:, np.newaxis]
return mesh
def inference(ckpt_dir, use_custom_cuda, res, folder, data_folder, samples=100):
# create generator
resolutions = [4, 8, 16, 32, 64, 128, 256, 512, 1024]
featuremaps = [512, 512, 512, 512, 512, 256, 128, 64, 32]
filter_index = resolutions.index(res)
g_params = {
'z_dim': 256,
'w_dim': 256,
'labels_dim': 0,
'n_mapping': 8,
'resolutions': resolutions[:filter_index + 1],
'featuremaps': featuremaps[:filter_index + 1],
}
generator = load_generator(g_params, is_g_clone=True, ckpt_dir=ckpt_dir, custom_cuda=use_custom_cuda)
dataset = DatasetSimple('/home/workspace/data/dataset/stylegan_new/train').cache().batch(1).repeat()
i = 0
for batch in dataset:
print(i)
# generate image
fake_images = generator([tf.random.normal(shape=[1, g_params['z_dim']]),
batch[1]],
training=False, truncation_psi=0.5)
np.savez_compressed(os.path.join(folder, str(i) + '.npz'), uv=tf.squeeze(fake_images), template=tf.squeeze(batch[1][2]), body=tf.squeeze(batch[3]), mask=tf.squeeze(batch[4]))
img = np.transpose(np.round((fake_images + 1) * 128)[0], [1,2,0])
cv2.imwrite(os.path.join(folder, str(i) + '.jpg'), img)
i += 1
if i > samples:
break
return
def main():
allow_memory_growth()
checkpoints = [
{
'res': 512,
'ckpt_dir': 'models/stylegan2-test-5-512x512',
'use_custom_cuda': True,
'folder': 'output',
'data_folder': '/home/workspace/data/dataset/stylegan_new/train'
},
]
for run_item in checkpoints:
res = run_item['res']
ckpt_dir = run_item['ckpt_dir']
use_custom_cuda = run_item['use_custom_cuda']
folder = run_item['folder']
message = f'{res}x{res} with custom cuda' if use_custom_cuda else f'{res}x{res} without custom cuda'
data_folder = run_item['data_folder']
print(message)
inference(ckpt_dir, use_custom_cuda, res, folder, data_folder)
return
if __name__ == '__main__':
main()