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run_recover_mesh_per_view_nlmvss.py
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import sys
import os
from glob import glob
import subprocess
import numpy as np
import open3d as o3d
import cv2
import argparse
from recover_mesh import recover_mesh
parser = argparse.ArgumentParser()
parser.add_argument('object_name', help='name of the target object (e.g., 00152)', type=str)
parser.add_argument('view_index', help='index of the reference view', type=int)
parser.add_argument('--wo-sfs', action='store_true')
parser.add_argument('--exp-name', default='nlmvss', type=str)
args = parser.parse_args()
object_name = args.object_name
view_index = args.view_index
out_dir = './run/mesh_per_view'
result_dir = './run/est_shape_mat_per_view'
if args.wo_sfs:
out_dir = out_dir+'_wo_sfs'
result_dir = result_dir+'_wo_sfs'
out_dir = out_dir+'/'+args.exp_name+'/'+object_name+'/'+str(view_index).zfill(3)
result_dir = result_dir+'/'+args.exp_name+'/'+object_name+'/'+str(view_index).zfill(3)+'/final_results'
os.makedirs(out_dir, exist_ok=True)
print('result_dir:', result_dir)
print('out_dir:', out_dir)
# create unnormalized gt mesh
gt_mesh_files = sorted(glob(os.environ['HOME']+'/data/mvs_eval/assets/shape/*.obj'))
if len(gt_mesh_files) != 6:
gt_mesh_file = None
else:
object_id = int(object_name)
gt_mesh_file = gt_mesh_files[(object_id // 6) % len(gt_mesh_files)]
mesh = o3d.io.read_triangle_mesh(gt_mesh_file)
verts = np.asarray(mesh.vertices)
faces = np.asarray(mesh.triangles)
bbox_min = np.min(verts, axis=0)
bbox_max = np.max(verts, axis=0)
bbox_center = 0.5 * (bbox_min + bbox_max)
bbox_diagonal = np.linalg.norm(bbox_max - bbox_min)
camera_min_distance = 1.0
camera_tangent = 1.0 / (2.0 / 1200 * 5000.0)
scale = 0.5 * bbox_diagonal / camera_tangent / camera_min_distance
verts -= bbox_center
verts /= scale
mesh.vertices = o3d.utility.Vector3dVector(verts)
o3d.io.write_triangle_mesh(out_dir+'/mesh_gt.ply', mesh)
gt_mesh_file = out_dir+'/mesh_gt.ply'
recover_mesh(
result_dir,
out_dir,
gt_mesh_file=gt_mesh_file,
compute_mesh_errors=False,
num_neighbors=-1
)
subprocess.run([
'meshlabserver',
'-i', out_dir+'/merged_points.ply',
'-o', out_dir+'/mesh_poisson.ply',
'-m', 'sa',
'-s', './data/remeshing_sharp.mlx'
])
subprocess.run([
'meshlabserver',
'-i', out_dir+'/mesh_poisson.ply',
'-o', out_dir+'/mesh_poisson.ply',
'-m', 'sa',
'-s', './data/loop_subdivision.mlx'
])
subprocess.run([
'python',
'eval_utils/remove_invisible_facets.py',
out_dir,
'-n', str(-1)
])
subprocess.run([
'meshlabserver',
'-i', out_dir+'/mesh.ply',
'-o', out_dir+'/mesh.ply',
'-m', 'sa',
'-s', './data/close_holes.mlx'
])
# render from other views
if not os.path.exists('./run/est_shape_mat/nlmvss/'+object_name+'/final_results'):
exit()
os.makedirs(out_dir+'/novel_view_rendering', exist_ok=True)
for view_id in range(20):
view_dir = out_dir+'/novel_view_rendering/view-'+str(1+view_id).zfill(2)
os.makedirs(view_dir, exist_ok=True)
intrinsic_file = './run/est_shape_mat/nlmvss/'+object_name+'/final_results/view-'+str(1+view_id).zfill(2)+'/intrinsics.npy'
extrinsic_file = './run/est_shape_mat/nlmvss/'+object_name+'/final_results/view-'+str(1+view_id).zfill(2)+'/extrinsics.npy'
subprocess.run([
'python', 'eval_utils/render_geometry_mgl.py',
'-i', intrinsic_file,
'-e', extrinsic_file,
'-n', view_dir+'/mesh_normal.npy',
'-d', view_dir+'/mesh_depth.npy',
'-m', view_dir+'/mesh_mask.png',
'--up-sampling', '4',
out_dir+'/mesh.ply',
'128', '128',
])
img_shading = (255*(np.clip(0.8*np.load(view_dir+'/mesh_normal.npy')[:,:,2], 0, 1)**(1/2.2))).astype(np.uint8)
mesh_mask = cv2.imread(view_dir+'/mesh_mask.png', 0)
cv2.imwrite(view_dir+'/mesh_shading.png', np.concatenate([
img_shading[:,:,None], img_shading[:,:,None], img_shading[:,:,None], mesh_mask[:,:,None]
], axis=-1))
print('created', view_dir+'/mesh_shading.png')
if not (gt_mesh_file is None):
subprocess.run([
'python', 'eval_utils/render_geometry_mgl.py',
'-i', intrinsic_file,
'-e', extrinsic_file,
'-n', view_dir+'/gt_mesh_normal.npy',
'-d', view_dir+'/gt_mesh_depth.npy',
'-m', view_dir+'/gt_mesh_mask.png',
'--up-sampling', '4',
out_dir+'/mesh_gt.ply',
'128', '128',
])
img_shading = (255*(np.clip(0.8*np.load(view_dir+'/gt_mesh_normal.npy')[:,:,2], 0, 1)**(1/2.2))).astype(np.uint8)
mesh_mask = cv2.imread(view_dir+'/gt_mesh_mask.png', 0)
cv2.imwrite(view_dir+'/gt_mesh_shading.png', np.concatenate([
img_shading[:,:,None], img_shading[:,:,None], img_shading[:,:,None], mesh_mask[:,:,None]
], axis=-1))
print('created', view_dir+'/gt_mesh_shading.png')