54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import os
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import sys
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import kornia
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import torch
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import numpy as np
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import scipy.io as sio
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from math import cos, sin
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sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
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from superSMPL.IO import readPC2Frame, readOBJ
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class Frame:
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def __init__(self, id, frame_nr, garment):
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self.id = id
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self.frame_nr = frame_nr
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self.garment = garment
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def mask_faces(F, mask):
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F_mask = np.take(mask, F.reshape(-1), axis=0)
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F_mask = F_mask.reshape((-1, 3)).sum(axis=1) == 3
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V_ind = np.zeros(mask.shape, dtype=np.int32)
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V_ind[mask] = np.arange(mask.sum())
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F_new = np.take(V_ind, F[F_mask, :].reshape(-1), axis=0).reshape((-1, 3))
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return F_new
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def read_frames_file(file):
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frames = []
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with open(file, 'r') as f:
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lines = f.readlines()
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for line in lines:
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id, frame_nr, garment = line.split()
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frames.append(Frame(id, int(frame_nr), garment))
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return frames
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def get_normals_from_depth(depth_image, depth_mask, camera_intrinsic):
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depth_dilated = kornia.morphology.dilation(depth_image[:,None,:,:], torch.ones((3,3), device=depth_image.get_device()), engine='convolution')
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depth_dilated = kornia.morphology.dilation(depth_dilated, torch.ones((3,3), device=depth_image.get_device()), engine='convolution')
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depth_dilated = torch.permute(depth_dilated, [0,2,3,1])
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depth_dilated[depth_mask,:] = depth_image[:,:,:,None][depth_mask,:]
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depth_dilated = torch.permute(depth_dilated, [0,3,1,2])
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normals = kornia.geometry.depth.depth_to_normals(depth_dilated, camera_intrinsic, normalize_points=True)
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normals = torch.permute(normals, [0,2,3,1]) * depth_mask[:,:,:,None]
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return normals
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def center_crop_resize(img, new_center, size):
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pass |