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eval_tracking.py
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eval_tracking.py
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# %%
# set numpy threads
import os
os.environ["OMP_NUM_THREADS"] = "20"
os.environ["OPENBLAS_NUM_THREADS"] = "20"
os.environ["MKL_NUM_THREADS"] = "20"
os.environ["VECLIB_MAXIMUM_THREADS"] = "20"
os.environ["NUMEXPR_NUM_THREADS"] = "20"
# currently requires custom-built igl-python binding
os.environ["IGL_PARALLEL_FOR_NUM_THREADS"] = "1"
import numpy as np
import igl
# %%
# import
import pathlib
from pprint import pprint
import json
import yaml
import hydra
from omegaconf import DictConfig, OmegaConf
import wandb
import zarr
from numcodecs import Blosc
from tqdm import tqdm
import pandas as pd
import numpy as np
from scipy.spatial import ckdtree
import igl
from common.parallel_util import parallel_map
from common.geometry_util import (
AABBNormalizer, AABBGripNormalizer)
# %%
# helper functions
def write_dict_to_group(data, group, compressor):
for key, data in data.items():
if isinstance(data, np.ndarray):
group.array(
name=key, data=data, chunks=data.shape,
compressor=compressor, overwrite=True)
else:
group[key] = data
def compute_pc_metrics(sample_key, samples_group, nocs_aabb, **kwargs):
sample_group = samples_group[sample_key]
# io
pc_group = sample_group['point_cloud']
gt_nocs = pc_group['gt_nocs'][:]
pred_nocs = pc_group['pred_nocs'][:]
# transform
normalizer = AABBNormalizer(nocs_aabb)
gt_nocs = normalizer.inverse(gt_nocs)
pred_nocs = normalizer.inverse(pred_nocs)
# compute
nocs_diff = pred_nocs - gt_nocs
nocs_error_mean_per_dim = np.mean(np.abs(nocs_diff), axis=0)
nocs_diff_std_per_dim = np.std(nocs_diff, axis=0)
mirror_gt_nocs = gt_nocs.copy()
mirror_gt_nocs[:, 0] = -mirror_gt_nocs[:, 0]
mirror_nocs_error = pred_nocs - mirror_gt_nocs
nocs_error_dist = np.linalg.norm(nocs_diff, axis=1)
mirror_nocs_error_dist = np.linalg.norm(mirror_nocs_error, axis=1)
mirror_min_nocs_error_dist = np.minimum(nocs_error_dist, mirror_nocs_error_dist)
metrics = {
'nocs_pc_error_distance': np.mean(nocs_error_dist),
'nocs_pc_mirror_error_distance': np.mean(mirror_nocs_error_dist),
'nocs_pc_min_agg_error_distance': np.mean(mirror_min_nocs_error_dist),
'nocs_pc_agg_min_error_distance': np.minimum(np.mean(nocs_error_dist), np.mean(mirror_nocs_error_dist))
}
axis_order = ['x', 'y', 'z']
per_dim_features = {
'nocs_pc_diff_std': nocs_diff_std_per_dim,
'nocs_pc_error': nocs_error_mean_per_dim,
}
for key, value in per_dim_features.items():
for i in range(3):
metrics['_'.join([key, axis_order[i]])] = value[i]
return metrics
def compute_chamfer(sample_key, samples_group, nocs_aabb,
**kwargs):
sample_group = samples_group[sample_key]
mesh_points_group = sample_group['mesh_points']
pred_sim_points = mesh_points_group['pred_sim_points'][:]
gt_sim_points = mesh_points_group['gt_sim_points'][:]
# compute chamfer distance
def get_chamfer(pred_points, gt_points):
pred_tree = ckdtree.cKDTree(pred_points)
gt_tree = ckdtree.cKDTree(gt_points)
forward_distance, forward_nn_idx = gt_tree.query(pred_points, k=1)
backward_distance, backward_nn_idx = pred_tree.query(gt_points, k=1)
forward_chamfer = np.mean(forward_distance)
backward_chamfer = np.mean(backward_distance)
symmetrical_chamfer = np.mean([forward_chamfer, backward_chamfer])
result = {
# 'chamfer_forward': forward_chamfer,
# 'chamfer_backward': backward_chamfer,
'chamfer_symmetrical': symmetrical_chamfer
}
return result
in_data = {
'sim': {
'pred_points': pred_sim_points,
'gt_points': gt_sim_points
},
}
key_order = ['sim']
old_in_data = in_data
in_data = dict([(x, old_in_data[x]) for x in key_order if x in old_in_data])
result = dict()
for category, kwargs in in_data.items():
out_data = get_chamfer(**kwargs)
for key, value in out_data.items():
result['_'.join([key, category])] = value
return result
def compute_euclidian(
sample_key,
samples_group,
**kwargs):
sample_group = samples_group[sample_key]
mesh_points_group = sample_group['mesh_points']
pred_sim_points = mesh_points_group['pred_sim_points'][:]
gt_sim_points = mesh_points_group['gt_sim_points'][:]
# compute chamfer distance
def get_euclidian(pred_points, gt_points):
euclidian = np.mean(np.linalg.norm(pred_sim_points - gt_sim_points, axis=1))
result = {
'euclidian': euclidian
}
return result
in_data = {
'sim': {
'pred_points': pred_sim_points,
'gt_points': gt_sim_points
},
}
key_order = ['sim']
old_in_data = in_data
in_data = dict([(x, old_in_data[x]) for x in key_order if x in old_in_data])
result = dict()
for category, kwargs in in_data.items():
out_data = get_euclidian(**kwargs)
for key, value in out_data.items():
result['_'.join([key, category])] = value
return result
# %%
# visualization functions
def get_task_mesh_vis(
sample_key,
samples_group,
offset=(0.8,0,0),
save_path=None,
**kwargs):
"""
Visualizes task space result as a point cloud
Order: GT sim mesh Pred sim mesh Sim point cloud
"""
sample_group = samples_group[sample_key]
# io
mesh_points_group = sample_group['mesh_points']
pred_sim_points = mesh_points_group['pred_sim_points'][:]
pred_nocs_points = mesh_points_group['pred_nocs_points'][:]
gt_nocs_points = mesh_points_group['gt_nocs_points'][:]
gt_sim_points = mesh_points_group['gt_sim_points'][:]
if 'attention_score' in mesh_points_group:
attention_score = mesh_points_group['attention_score'][:].repeat(3, axis=1)
else:
attention_score = None
pc_group = sample_group['point_cloud']
gt_input_pc = pc_group['input_points'][:]
gt_input_rgb = pc_group['input_rgb'][:].astype(np.float32)
pred_input_nocs = pc_group['pred_nocs'][:]
gt_nocs_pc = pc_group['gt_nocs'][:]
mesh_group = sample_group['gt_mesh']
cloth_faces_tri = mesh_group['cloth_faces_tri'][:]
# vis
offset_vec = np.array(offset)
gt_sim_pc = np.concatenate([gt_sim_points - offset_vec, gt_nocs_points * 255], axis=1)
pred_sim_pc = np.concatenate([pred_sim_points, pred_nocs_points * 255], axis=1)
pred_nocs_pc = np.concatenate([gt_input_pc + 2 * offset_vec, pred_input_nocs * 255], axis=1)
gt_rgb_pc = np.concatenate([gt_input_pc + offset_vec, gt_input_rgb], axis=1)
gt_nocs_pc = np.concatenate([gt_input_pc + 3 * offset_vec, gt_nocs_pc * 255], axis=1)
if attention_score is not None:
pred_att_pc = np.concatenate([pred_sim_points - 2 * offset_vec, attention_score * 255], axis=1)
all_pc = np.concatenate([pred_att_pc, gt_sim_pc, pred_sim_pc, gt_rgb_pc, pred_nocs_pc, gt_nocs_pc], axis=0).astype(np.float32)
else:
all_pc = np.concatenate([gt_sim_pc, pred_sim_pc, gt_rgb_pc, pred_nocs_pc, gt_nocs_pc], axis=0).astype(np.float32)
if save_path is not None:
num_mesh_points = pred_sim_pc.shape[0]
num_pc_points = gt_rgb_pc.shape[0]
padding = np.array([[num_mesh_points, num_mesh_points, num_mesh_points,
num_pc_points, num_pc_points, num_pc_points]]).astype(np.float32)
all_pc = np.concatenate([all_pc, padding], axis=0).astype(np.float32)
np.save(save_path, all_pc)
print('Saving to {}!'.format(save_path))
np.save(save_path.replace('vis', 'vis_faces'), cloth_faces_tri)
print('Saving to {}!'.format(save_path.replace('vis', 'vis_faces')))
vis_obj = wandb.Object3D(all_pc)
return vis_obj
def get_nocs_pc_vis(
sample_key,
samples_group,
offset=[1.0,0,0], **kwargs):
"""
GT nocs pc Pred nocs pc (colored with gt nocs)
"""
sample_group = samples_group[sample_key]
# io
pc_group = sample_group['point_cloud']
gt_nocs_pc = pc_group['gt_nocs'][:]
pred_nocs_pc = pc_group['pred_nocs'][:]
input_prev_nocs_pc = pc_group['input_prev_nocs'][:]
if 'pred_nocs_confidence' in pc_group:
pred_nocs_confidence = pc_group['pred_nocs_confidence'][:]
else:
pred_nocs_confidence = None
# vis
offset_vec = np.array(offset)
gt_nocs_vis = np.concatenate([gt_nocs_pc - offset_vec, gt_nocs_pc * 255], axis=1)
pred_nocs_vis = np.concatenate([pred_nocs_pc, gt_nocs_pc * 255], axis=1)
input_prev_nocs_vis = np.concatenate([input_prev_nocs_pc + offset_vec, input_prev_nocs_pc * 255], axis=1)
if pred_nocs_confidence is not None:
pred_confidence_vis = np.concatenate([pred_nocs_pc + 2 * offset_vec, pred_nocs_confidence * 255], axis=1)
all_pc = np.concatenate([gt_nocs_vis, pred_nocs_vis, input_prev_nocs_vis, pred_confidence_vis])
else:
all_pc = np.concatenate([gt_nocs_vis, pred_nocs_vis, input_prev_nocs_vis])
vis_obj = wandb.Object3D(all_pc)
return vis_obj
def get_nocs_mesh_vis(sample_key,
samples_group,
offset=[1.0,0,0], **kwargs):
"""
GT nocs pc Pred nocs pc (colored with gt nocs)
"""
sample_group = samples_group[sample_key]
# io
mesh_group = sample_group['mesh_points']
gt_nocs_mesh = mesh_group['gt_nocs_points'][:]
pred_nocs_mesh = mesh_group['pred_nocs_points'][:]
# vis
offset_vec = np.array(offset)
gt_nocs_vis = np.concatenate([gt_nocs_mesh - offset_vec, gt_nocs_mesh * 255], axis=1)
pred_nocs_vis = np.concatenate([pred_nocs_mesh, gt_nocs_mesh * 255], axis=1)
all_pc = np.concatenate([gt_nocs_vis, pred_nocs_vis])
vis_obj = wandb.Object3D(all_pc)
return vis_obj
# %%
# main script
@hydra.main(config_path="config",
config_name="eval_tracking_default.yaml")
def main(cfg: DictConfig) -> None:
# load datase
pred_output_dir = os.path.expanduser(cfg.main.prediction_output_dir)
pred_config_path = os.path.join(pred_output_dir, 'config.yaml')
pred_config_all = OmegaConf.load(pred_config_path)
# setup wandb
output_dir = os.getcwd()
print(output_dir)
wandb_path = os.path.join(output_dir, 'wandb')
os.mkdir(wandb_path)
wandb_run = wandb.init(
project=os.path.basename(__file__),
**cfg.logger)
wandb_meta = {
'run_name': wandb_run.name,
'run_id': wandb_run.id
}
meta = {
'script_path': __file__
}
all_config = {
'config': OmegaConf.to_container(cfg, resolve=True),
'prediction_config': OmegaConf.to_container(pred_config_all, resolve=True),
'output_dir': output_dir,
'wandb': wandb_meta,
'meta': meta
}
yaml.dump(all_config, open('config.yaml', 'w'), default_flow_style=False)
wandb.config.update(all_config)
# setup zarr
pred_zarr_path = os.path.join(pred_output_dir, 'prediction.zarr')
pred_root = zarr.open(pred_zarr_path, 'r+')
samples_group = pred_root['samples']
summary_group = pred_root.require_group('summary', overwrite=False)
compressor = Blosc(cname='zstd', clevel=6, shuffle=Blosc.BITSHUFFLE)
sample_key, sample_group = next(iter(samples_group.groups()))
print(sample_group.tree())
all_sample_keys = list()
all_sample_groups = list()
for sample_key, sample_group in samples_group.groups():
all_sample_keys.append(sample_key)
all_sample_groups.append(sample_group)
global_metrics_group = summary_group.require_group('metrics', overwrite=False)
global_per_sample_group = global_metrics_group.require_group('per_sample', overwrite=False)
global_agg_group = global_metrics_group.require_group('aggregate', overwrite=False)
# write instance order
sample_keys_arr = np.array(all_sample_keys)
global_per_sample_group.array('sample_keys', sample_keys_arr,
chunks=sample_keys_arr.shape, compressor=compressor, overwrite=True)
# load aabb
input_zarr_path = os.path.expanduser(
pred_config_all.config.datamodule.zarr_path)
input_root = zarr.open(input_zarr_path, 'r')
input_samples_group = input_root['samples']
input_summary_group = input_root['summary']
nocs_aabb = input_summary_group['cloth_canonical_aabb_union'][:]
sim_aabb = input_summary_group['cloth_aabb_union'][:]
num_workers = cfg.main.num_workers
sample_keys_series = pd.Series(all_sample_keys)
result_df = parallel_map(
lambda x: False,
sample_keys_series,
num_workers=num_workers,
preserve_index=True)
is_sample_null = result_df.result
not_null_sample_keys_series = sample_keys_series.loc[~is_sample_null]
# compute metrics
metric_func_dict = {
'compute_pc_metrics': compute_pc_metrics,
'compute_chamfer': compute_chamfer,
'compute_euclidian': compute_euclidian,
}
num_workers = cfg.main.num_workers
all_metrics = dict()
for func_key, func in metric_func_dict.items():
print("Running {}".format(func_key))
metric_args = OmegaConf.to_container(cfg.eval[func_key], resolve=True)
if not metric_args['enabled']:
print("Disabled, skipping")
continue
print("Config:")
pprint(metric_args)
result_df = parallel_map(
lambda x: func(
sample_key=x,
samples_group=samples_group,
input_samples_group=input_samples_group,
nocs_aabb=nocs_aabb,
sim_aabb=sim_aabb,
**metric_args),
not_null_sample_keys_series,
num_workers=num_workers,
preserve_index=True)
# print error
errors_series = result_df.loc[result_df.error.notnull()].error
if len(errors_series) > 0:
print("Errors:")
print(errors_series)
result_dict = dict()
for key in sample_keys_series.index:
data = dict()
if key in result_df.index:
value = result_df.result.loc[key]
if value is not None:
data = value
result_dict[key] = data
this_metric_df = pd.DataFrame(
list(result_dict.values()),
index=sample_keys_series.index)
for column in this_metric_df:
all_metrics[column] = this_metric_df[column]
value = np.array(this_metric_df[column])
global_per_sample_group.array(
name=column, data=value, chunks=value.shape,
compressor=compressor, overwrite=True)
value_agg = np.nanmean(value)
global_agg_group[column] = value_agg
all_metrics_df = pd.DataFrame(
all_metrics,
index=sample_keys_series.index)
all_metrics_df['null_percentage'] = is_sample_null.astype(np.float32)
all_metrics_agg = all_metrics_df.mean()
for column in all_metrics_df:
if 'euclidian' in column:
all_metrics_agg[column + '@0.03'] = (all_metrics_df[column] <= 0.03).sum() \
/ len(all_metrics_df[column])
all_metrics_agg[column + '@0.05'] = (all_metrics_df[column] <= 0.05).sum() \
/ len(all_metrics_df[column])
all_metrics_agg[column + '@0.08'] = (all_metrics_df[column] <= 0.08).sum() \
/ len(all_metrics_df[column])
all_metrics_agg[column + '@0.1'] = (all_metrics_df[column] <= 0.1).sum() \
/ len(all_metrics_df[column])
all_metrics_agg[column + '@0.15'] = (all_metrics_df[column] <= 0.15).sum() \
/ len(all_metrics_df[column])
print(all_metrics_agg)
# save metric to disk
all_metrics_path = os.path.join(output_dir, 'all_metrics.csv')
agg_path = os.path.join(output_dir, 'all_metrics_agg.csv')
summary_path = os.path.join(output_dir, 'summary.json')
all_metrics_df.to_csv(all_metrics_path)
all_metrics_df.describe().to_csv(agg_path)
json.dump(dict(all_metrics_agg), open(summary_path, 'w'), indent=2)
if cfg.vis.samples_per_instance <= 0:
print("Done!")
return
# visualization
# pick best and worst
rank_column = all_metrics_df[cfg.vis.rank_metric]
sorted_rank_column = rank_column.sort_values()
best_idxs = sorted_rank_column.index[:cfg.vis.num_best]
worst_idxs = sorted_rank_column.index[-cfg.vis.num_best:][::-1]
if cfg.vis.random_sample_regular:
num_samples = len(sorted_rank_column)
vis_idxs = np.random.choice(num_samples, size=cfg.vis.num_normal)
else:
start_idx, end_idx = cfg.vis.vis_sample_idxs_range
vis_idxs = np.arange(start_idx, end_idx+1)
print('vis_idxs: {}'.format(vis_idxs.tolist()))
vis_idx_dict = dict()
for i, idx in enumerate(vis_idxs):
vis_idx_dict[idx] = "regular_{0:02d}".format(i)
for i, idx in enumerate(best_idxs):
vis_idx_dict[idx] = "best_{0:02d}".format(i)
for i, idx in enumerate(worst_idxs):
vis_idx_dict[idx] = "worst_{0:02d}".format(i)
vis_func_dict = {
'task_mesh_vis': get_task_mesh_vis,
'nocs_pc_vis': get_nocs_pc_vis,
'nocs_mesh_vis': get_nocs_mesh_vis,
}
no_override_keys = list()
# all_log_data = list()
print("Logging visualization to wandb")
for i in tqdm(range(len(all_metrics_df))):
log_data = dict(all_metrics_df.loc[i])
if i in vis_idx_dict:
vis_key = vis_idx_dict[i]
if cfg.vis.save_point_cloud:
save_dir = os.path.join(output_dir, 'vis')
if not os.path.exists(save_dir):
os.mkdir(save_dir)
os.makedirs(save_dir.replace('vis', 'vis_faces'), exist_ok=True)
save_path = os.path.join(save_dir, '{:0>4d}.npy'.format(i))
else:
save_path = None
for func_key, func in vis_func_dict.items():
metric_args = OmegaConf.to_container(cfg.vis[func_key], resolve=True)
sample_key = sample_keys_series.loc[i]
vis_obj = func(sample_key, samples_group,
nocs_aabb=nocs_aabb,
sim_aabb=sim_aabb,
save_path=save_path,
**metric_args)
vis_name = '_'.join([func_key, vis_key])
log_data[vis_name] = vis_obj
# all_log_data.append(log_data)
wandb_run.log(log_data, step=i)
print("Logging summary to wandb")
for key, value in tqdm(all_metrics_agg.items()):
wandb_run.summary[key] = value
print("Done!")
# %%
# driver
if __name__ == "__main__":
main()