181 lines
7.0 KiB
Python
181 lines
7.0 KiB
Python
import argparse
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import os
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import tqdm
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import cv2
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import tensorflow as tf
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import scipy.interpolate as spi
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import numpy as np
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import plotly.graph_objects as go
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import plotly.express as ex
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os.environ["CUDA_VISIBLE_DEVICES"] = "1"
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gpus = tf.config.experimental.list_physical_devices('GPU')
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if gpus:
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try:
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# Currently, memory growth needs to be the same across GPUs
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for gpu in gpus:
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tf.config.experimental.set_memory_growth(gpu, True)
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logical_gpus = tf.config.experimental.list_logical_devices('GPU')
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print(len(gpus), "Physical GPUs,", len(logical_gpus), "Logical GPUs")
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except RuntimeError as e:
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# Memory growth must be set before GPUs have been initialized
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print(e)
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def fill(img, mask):
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coords = np.transpose(np.stack(np.nonzero((1 - mask))), (1,0))
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img_idx = np.transpose(np.stack(np.nonzero((mask))), (1,0))
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img_data = img[img_idx[:,0], img_idx[:,1], :]
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interpolator = spi.NearestNDInterpolator(x=img_idx, y=img_data)
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img_2 = interpolator(coords)
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res = np.zeros((512,256,3), dtype=np.float32)
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res[coords[:,0], coords[:,1], :] = img_2
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res[img_idx[:,0], img_idx[:,1], :] = img_data
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return res
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def fill_label(img, mask):
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coords = np.transpose(np.stack(np.nonzero((1 - mask))), (1,0))
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img_idx = np.transpose(np.stack(np.nonzero((mask))), (1,0))
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img_data = img[img_idx[:,0], img_idx[:,1]]
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interpolator = spi.NearestNDInterpolator(x=img_idx, y=img_data)
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img_2 = interpolator(coords)
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res = np.zeros((512,256), dtype=np.float32)
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res[coords[:,0], coords[:,1]] = img_2
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res[img_idx[:,0], img_idx[:,1]] = img_data
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return res
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class UVMaskStore():
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def __init__(self, folder, size):
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self.store = dict()
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self.folder = folder
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self.size = size
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def read(self, id):
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mask = np.load(os.path.join(self.folder, 'uv_mask' + ('_' + str(self.size) if self.size != 512 else ''), id + '.npz'))
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mask = mask['uv_mask']
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return mask
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def __getitem__(self, id) -> dict:
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if id not in self.store:
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self.store[id] = self.read(id)
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return self.store[id]
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def downscale_uv_maps_posed_body(folder, type, sizes):
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for size in sizes:
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os.makedirs(os.path.join(folder, type + '_' + str(size)), exist_ok=True)
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frames = os.listdir(os.path.join(folder, type))[int(args.start):int(args.end)]
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for frame in tqdm.tqdm(frames):
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id, _ = frame.split('_')
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img = np.load(os.path.join(folder, type, frame)); img = img['uv_posed_body_no_orient']
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mask_full = uv_mask_store[512][id]
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img = fill(img, mask_full)
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for size in sizes:
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mask = uv_mask_store[size][id]
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down = tf.image.resize(img, size=(size, int(size/2)), method=tf.image.ResizeMethod.LANCZOS5)
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down = down * mask[:,:,np.newaxis]
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np.savez_compressed(os.path.join(folder, type + '_' + str(size), frame), uv_posed_body_no_orient = down)
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def downscale_uv_maps_curv(folder, type, sizes):
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for size in sizes:
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os.makedirs(os.path.join(folder, type + '_' + str(size)), exist_ok=True)
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frames = os.listdir(os.path.join(folder, type))[int(args.start):int(args.end)]
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for frame in tqdm.tqdm(frames):
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id, _ = frame.split('_')
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img = np.load(os.path.join(folder, type, frame)); img = img['curvature_uv']
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mask_full = uv_mask_store[512][id]
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img = fill_label(img, mask_full)
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for size in sizes:
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mask = uv_mask_store[size][id]
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down = tf.image.resize(img[:,:,tf.newaxis], size=(size, int(size/2)), method=tf.image.ResizeMethod.NEAREST_NEIGHBOR)
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down = np.squeeze(down) * mask[:,:]
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np.savez_compressed(os.path.join(folder, type + '_' + str(size), frame), uv_curvature = down)
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def downscale_uv_maps_unposed(folder, type, sizes):
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for size in sizes:
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os.makedirs(os.path.join(folder, type + '_' + str(size)), exist_ok=True)
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frames = os.listdir(os.path.join(folder, type))[int(args.start):int(args.end)]
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for frame in tqdm.tqdm(frames):
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id, _ = frame.split('_')
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img = np.load(os.path.join(folder, type, frame)); img = img['uv_unposed_no_shape']
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mask_full = uv_mask_store[512][id]
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img = fill(img, mask_full)
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for size in sizes:
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mask = uv_mask_store[size][id]
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down = tf.image.resize(img, size=(size, int(size/2)), method=tf.image.ResizeMethod.LANCZOS5)
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down = down * mask[:,:,np.newaxis]
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np.savez_compressed(os.path.join(folder, type + '_' + str(size), frame), uv_unposed_no_shape = down)
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def downscale_uv_maps_static(folder, type, sizes):
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for size in sizes:
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os.makedirs(os.path.join(folder, type + '_' + str(size)), exist_ok=True)
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frames = os.listdir(os.path.join(folder, type))[int(args.start):int(args.end)]
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for frame in tqdm.tqdm(frames):
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id, _ = frame.split('.')
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img = np.load(os.path.join(folder, type, frame)); img = img['uv_static']
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mask_full = uv_mask_store[512][id]
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img = fill(img, mask_full)
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for size in sizes:
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down = tf.image.resize(img, size=(size, int(size/2)), method=tf.image.ResizeMethod.LANCZOS5)
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mask = uv_mask_store[size][id]
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down = down * mask[:,:,np.newaxis]
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np.savez_compressed(os.path.join(folder, type + '_' + str(size), frame), uv_static = down)
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def downscale_uv_maps_mask(folder, type, size):
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os.makedirs(os.path.join(folder, type + '_' + str(size)), exist_ok=True)
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frames = os.listdir(os.path.join(folder, type))[int(args.start):int(args.end)]
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for frame in tqdm.tqdm(frames):
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id, _ = frame.split('.')
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img = np.load(os.path.join(folder, type, frame)); img = img['uv_mask'].astype(np.float32)
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down = tf.image.resize(img[:,:,tf.newaxis], size=(size, int(size/2)), method=tf.image.ResizeMethod.NEAREST_NEIGHBOR)
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down = np.squeeze(down.numpy().astype(bool))
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np.savez_compressed(os.path.join(folder, type + '_' + str(size), frame), uv_mask = down)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument("-f", "--folder", help = "end of range", default='/home/workspace/data/dataset/train_skirt')
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parser.add_argument("-s", "--start", help = "start of range", default=0)
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parser.add_argument("-e", "--end", help = "end of range", default=1)
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parser.add_argument("-n", "--name", help = "end of range", default='lhunor')
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args = parser.parse_args()
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sizes = [32, 64, 128, 256]
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folder = args.folder
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uv_mask_store = { size: UVMaskStore(folder, size=size) for size in sizes }
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uv_mask_store[512] = UVMaskStore(folder, size=512)
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# downscale_uv_maps_mask(folder=folder, type='uv_mask', size=size)
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# downscale_uv_maps_static(folder=folder, type='uv_static', sizes=sizes)
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# downscale_uv_maps_unposed(folder=folder, type='uv_unposed_no_shape', sizes=sizes)
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downscale_uv_maps_curv(folder=folder, type='uv_curvature', sizes=sizes)
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# downscale_uv_maps_posed_body(folder=folder, type='uv_posed_body_no_orient', sizes=sizes)
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print() |