Initial media depth project backup

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2026-05-20 12:25:12 +08:00
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# MIT License
# Copyright (c) 2022 Intelligent Systems Lab Org
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# File author: Shariq Farooq Bhat

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def infer_type(x): # hacky way to infer type from string args
if not isinstance(x, str):
return x
try:
x = int(x)
return x
except ValueError:
pass
try:
x = float(x)
return x
except ValueError:
pass
return x
def parse_unknown(unknown_args):
clean = []
for a in unknown_args:
if "=" in a:
k, v = a.split("=")
clean.extend([k, v])
else:
clean.append(a)
keys = clean[::2]
values = clean[1::2]
return {k.replace("--", ""): infer_type(v) for k, v in zip(keys, values)}

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# MIT License
# Copyright (c) 2022 Intelligent Systems Lab Org
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# File author: Shariq Farooq Bhat
import json
import os
from zoedepth.utils.easydict import EasyDict as edict
from zoedepth.utils.arg_utils import infer_type
import pathlib
import platform
ROOT = pathlib.Path(__file__).parent.parent.resolve()
HOME_DIR = os.path.expanduser("./data")
COMMON_CONFIG = {
"save_dir": os.path.expanduser("./depth_anything_finetune"),
"project": "ZoeDepth",
"tags": '',
"notes": "",
"gpu": None,
"root": ".",
"uid": None,
"print_losses": False
}
DATASETS_CONFIG = {
"kitti": {
"dataset": "kitti",
"min_depth": 0.001,
"max_depth": 80,
"data_path": os.path.join(HOME_DIR, "Kitti/raw_data"),
"gt_path": os.path.join(HOME_DIR, "Kitti/data_depth_annotated_zoedepth"),
"filenames_file": "./train_test_inputs/kitti_eigen_train_files_with_gt.txt",
"input_height": 352,
"input_width": 1216, # 704
"data_path_eval": os.path.join(HOME_DIR, "Kitti/raw_data"),
"gt_path_eval": os.path.join(HOME_DIR, "Kitti/data_depth_annotated_zoedepth"),
"filenames_file_eval": "./train_test_inputs/kitti_eigen_test_files_with_gt.txt",
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"do_random_rotate": True,
"degree": 1.0,
"do_kb_crop": True,
"garg_crop": True,
"eigen_crop": False,
"use_right": False
},
"kitti_test": {
"dataset": "kitti",
"min_depth": 0.001,
"max_depth": 80,
"data_path": os.path.join(HOME_DIR, "Kitti/raw_data"),
"gt_path": os.path.join(HOME_DIR, "Kitti/data_depth_annotated_zoedepth"),
"filenames_file": "./train_test_inputs/kitti_eigen_train_files_with_gt.txt",
"input_height": 352,
"input_width": 1216,
"data_path_eval": os.path.join(HOME_DIR, "Kitti/raw_data"),
"gt_path_eval": os.path.join(HOME_DIR, "Kitti/data_depth_annotated_zoedepth"),
"filenames_file_eval": "./train_test_inputs/kitti_eigen_test_files_with_gt.txt",
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"do_random_rotate": False,
"degree": 1.0,
"do_kb_crop": True,
"garg_crop": True,
"eigen_crop": False,
"use_right": False
},
"nyu": {
"dataset": "nyu",
"avoid_boundary": False,
"min_depth": 1e-3, # originally 0.1
"max_depth": 10,
"data_path": os.path.join(HOME_DIR, "nyu"),
"gt_path": os.path.join(HOME_DIR, "nyu"),
"filenames_file": "./train_test_inputs/nyudepthv2_train_files_with_gt.txt",
"input_height": 480,
"input_width": 640,
"data_path_eval": os.path.join(HOME_DIR, "nyu"),
"gt_path_eval": os.path.join(HOME_DIR, "nyu"),
"filenames_file_eval": "./train_test_inputs/nyudepthv2_test_files_with_gt.txt",
"min_depth_eval": 1e-3,
"max_depth_eval": 10,
"min_depth_diff": -10,
"max_depth_diff": 10,
"do_random_rotate": True,
"degree": 1.0,
"do_kb_crop": False,
"garg_crop": False,
"eigen_crop": True
},
"ibims": {
"dataset": "ibims",
"ibims_root": os.path.join(HOME_DIR, "iBims1/m1455541/ibims1_core_raw/"),
"eigen_crop": True,
"garg_crop": False,
"do_kb_crop": False,
"min_depth_eval": 0,
"max_depth_eval": 10,
"min_depth": 1e-3,
"max_depth": 10
},
"sunrgbd": {
"dataset": "sunrgbd",
"sunrgbd_root": os.path.join(HOME_DIR, "SUNRGB-D"),
"eigen_crop": True,
"garg_crop": False,
"do_kb_crop": False,
"min_depth_eval": 0,
"max_depth_eval": 8,
"min_depth": 1e-3,
"max_depth": 10
},
"diml_indoor": {
"dataset": "diml_indoor",
"diml_indoor_root": os.path.join(HOME_DIR, "DIML/indoor/sample/testset/"),
"eigen_crop": True,
"garg_crop": False,
"do_kb_crop": False,
"min_depth_eval": 0,
"max_depth_eval": 10,
"min_depth": 1e-3,
"max_depth": 10
},
"diml_outdoor": {
"dataset": "diml_outdoor",
"diml_outdoor_root": os.path.join(HOME_DIR, "DIML/outdoor/test/LR"),
"eigen_crop": False,
"garg_crop": True,
"do_kb_crop": False,
"min_depth_eval": 2,
"max_depth_eval": 80,
"min_depth": 1e-3,
"max_depth": 80
},
"diode_indoor": {
"dataset": "diode_indoor",
"diode_indoor_root": os.path.join(HOME_DIR, "DIODE/val/indoors/"),
"eigen_crop": True,
"garg_crop": False,
"do_kb_crop": False,
"min_depth_eval": 1e-3,
"max_depth_eval": 10,
"min_depth": 1e-3,
"max_depth": 10
},
"diode_outdoor": {
"dataset": "diode_outdoor",
"diode_outdoor_root": os.path.join(HOME_DIR, "DIODE/val/outdoor/"),
"eigen_crop": False,
"garg_crop": True,
"do_kb_crop": False,
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"min_depth": 1e-3,
"max_depth": 80
},
"hypersim_test": {
"dataset": "hypersim_test",
"hypersim_test_root": os.path.join(HOME_DIR, "HyperSim/"),
"eigen_crop": True,
"garg_crop": False,
"do_kb_crop": False,
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"min_depth": 1e-3,
"max_depth": 10
},
"vkitti": {
"dataset": "vkitti",
"vkitti_root": os.path.join(HOME_DIR, "shortcuts/datasets/vkitti_test/"),
"eigen_crop": False,
"garg_crop": True,
"do_kb_crop": True,
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"min_depth": 1e-3,
"max_depth": 80
},
"vkitti2": {
"dataset": "vkitti2",
"vkitti2_root": os.path.join(HOME_DIR, "vKitti2/"),
"eigen_crop": False,
"garg_crop": True,
"do_kb_crop": True,
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"min_depth": 1e-3,
"max_depth": 80,
},
"ddad": {
"dataset": "ddad",
"ddad_root": os.path.join(HOME_DIR, "shortcuts/datasets/ddad/ddad_val/"),
"eigen_crop": False,
"garg_crop": True,
"do_kb_crop": True,
"min_depth_eval": 1e-3,
"max_depth_eval": 80,
"min_depth": 1e-3,
"max_depth": 80,
},
}
ALL_INDOOR = ["nyu", "ibims", "sunrgbd", "diode_indoor", "hypersim_test"]
ALL_OUTDOOR = ["kitti", "diml_outdoor", "diode_outdoor", "vkitti2", "ddad"]
ALL_EVAL_DATASETS = ALL_INDOOR + ALL_OUTDOOR
COMMON_TRAINING_CONFIG = {
"dataset": "nyu",
"distributed": True,
"workers": 16,
"clip_grad": 0.1,
"use_shared_dict": False,
"shared_dict": None,
"use_amp": False,
"aug": True,
"random_crop": False,
"random_translate": False,
"translate_prob": 0.2,
"max_translation": 100,
"validate_every": 0.25,
"log_images_every": 0.1,
"prefetch": False,
}
def flatten(config, except_keys=('bin_conf')):
def recurse(inp):
if isinstance(inp, dict):
for key, value in inp.items():
if key in except_keys:
yield (key, value)
if isinstance(value, dict):
yield from recurse(value)
else:
yield (key, value)
return dict(list(recurse(config)))
def split_combined_args(kwargs):
"""Splits the arguments that are combined with '__' into multiple arguments.
Combined arguments should have equal number of keys and values.
Keys are separated by '__' and Values are separated with ';'.
For example, '__n_bins__lr=256;0.001'
Args:
kwargs (dict): key-value pairs of arguments where key-value is optionally combined according to the above format.
Returns:
dict: Parsed dict with the combined arguments split into individual key-value pairs.
"""
new_kwargs = dict(kwargs)
for key, value in kwargs.items():
if key.startswith("__"):
keys = key.split("__")[1:]
values = value.split(";")
assert len(keys) == len(
values), f"Combined arguments should have equal number of keys and values. Keys are separated by '__' and Values are separated with ';'. For example, '__n_bins__lr=256;0.001. Given (keys,values) is ({keys}, {values})"
for k, v in zip(keys, values):
new_kwargs[k] = v
return new_kwargs
def parse_list(config, key, dtype=int):
"""Parse a list of values for the key if the value is a string. The values are separated by a comma.
Modifies the config in place.
"""
if key in config:
if isinstance(config[key], str):
config[key] = list(map(dtype, config[key].split(',')))
assert isinstance(config[key], list) and all([isinstance(e, dtype) for e in config[key]]
), f"{key} should be a list of values dtype {dtype}. Given {config[key]} of type {type(config[key])} with values of type {[type(e) for e in config[key]]}."
def get_model_config(model_name, model_version=None):
"""Find and parse the .json config file for the model.
Args:
model_name (str): name of the model. The config file should be named config_{model_name}[_{model_version}].json under the models/{model_name} directory.
model_version (str, optional): Specific config version. If specified config_{model_name}_{model_version}.json is searched for and used. Otherwise config_{model_name}.json is used. Defaults to None.
Returns:
easydict: the config dictionary for the model.
"""
config_fname = f"config_{model_name}_{model_version}.json" if model_version is not None else f"config_{model_name}.json"
config_file = os.path.join(ROOT, "models", model_name, config_fname)
if not os.path.exists(config_file):
return None
with open(config_file, "r") as f:
config = edict(json.load(f))
# handle dictionary inheritance
# only training config is supported for inheritance
if "inherit" in config.train and config.train.inherit is not None:
inherit_config = get_model_config(config.train["inherit"]).train
for key, value in inherit_config.items():
if key not in config.train:
config.train[key] = value
return edict(config)
def update_model_config(config, mode, model_name, model_version=None, strict=False):
model_config = get_model_config(model_name, model_version)
if model_config is not None:
config = {**config, **
flatten({**model_config.model, **model_config[mode]})}
elif strict:
raise ValueError(f"Config file for model {model_name} not found.")
return config
def check_choices(name, value, choices):
# return # No checks in dev branch
if value not in choices:
raise ValueError(f"{name} {value} not in supported choices {choices}")
KEYS_TYPE_BOOL = ["use_amp", "distributed", "use_shared_dict", "same_lr", "aug", "three_phase",
"prefetch", "cycle_momentum"] # Casting is not necessary as their int casted values in config are 0 or 1
def get_config(model_name, mode='train', dataset=None, **overwrite_kwargs):
"""Main entry point to get the config for the model.
Args:
model_name (str): name of the desired model.
mode (str, optional): "train" or "infer". Defaults to 'train'.
dataset (str, optional): If specified, the corresponding dataset configuration is loaded as well. Defaults to None.
Keyword Args: key-value pairs of arguments to overwrite the default config.
The order of precedence for overwriting the config is (Higher precedence first):
# 1. overwrite_kwargs
# 2. "config_version": Config file version if specified in overwrite_kwargs. The corresponding config loaded is config_{model_name}_{config_version}.json
# 3. "version_name": Default Model version specific config specified in overwrite_kwargs. The corresponding config loaded is config_{model_name}_{version_name}.json
# 4. common_config: Default config for all models specified in COMMON_CONFIG
Returns:
easydict: The config dictionary for the model.
"""
check_choices("Model", model_name, ["zoedepth", "zoedepth_nk"])
check_choices("Mode", mode, ["train", "infer", "eval"])
if mode == "train":
check_choices("Dataset", dataset, ["nyu", "kitti", "mix", None])
config = flatten({**COMMON_CONFIG, **COMMON_TRAINING_CONFIG})
config = update_model_config(config, mode, model_name)
# update with model version specific config
version_name = overwrite_kwargs.get("version_name", config["version_name"])
config = update_model_config(config, mode, model_name, version_name)
# update with config version if specified
config_version = overwrite_kwargs.get("config_version", None)
if config_version is not None:
print("Overwriting config with config_version", config_version)
config = update_model_config(config, mode, model_name, config_version)
# update with overwrite_kwargs
# Combined args are useful for hyperparameter search
overwrite_kwargs = split_combined_args(overwrite_kwargs)
config = {**config, **overwrite_kwargs}
# Casting to bool # TODO: Not necessary. Remove and test
for key in KEYS_TYPE_BOOL:
if key in config:
config[key] = bool(config[key])
# Model specific post processing of config
parse_list(config, "n_attractors")
# adjust n_bins for each bin configuration if bin_conf is given and n_bins is passed in overwrite_kwargs
if 'bin_conf' in config and 'n_bins' in overwrite_kwargs:
bin_conf = config['bin_conf'] # list of dicts
n_bins = overwrite_kwargs['n_bins']
new_bin_conf = []
for conf in bin_conf:
conf['n_bins'] = n_bins
new_bin_conf.append(conf)
config['bin_conf'] = new_bin_conf
if mode == "train":
orig_dataset = dataset
if dataset == "mix":
dataset = 'nyu' # Use nyu as default for mix. Dataset config is changed accordingly while loading the dataloader
if dataset is not None:
config['project'] = f"MonoDepth3-{orig_dataset}" # Set project for wandb
if dataset is not None:
config['dataset'] = dataset
config = {**DATASETS_CONFIG[dataset], **config}
config['model'] = model_name
typed_config = {k: infer_type(v) for k, v in config.items()}
# add hostname to config
config['hostname'] = platform.node()
return edict(typed_config)
def change_dataset(config, new_dataset):
config.update(DATASETS_CONFIG[new_dataset])
return config

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"""
EasyDict
Copy/pasted from https://github.com/makinacorpus/easydict
Original author: Mathieu Leplatre <mathieu.leplatre@makina-corpus.com>
"""
class EasyDict(dict):
"""
Get attributes
>>> d = EasyDict({'foo':3})
>>> d['foo']
3
>>> d.foo
3
>>> d.bar
Traceback (most recent call last):
...
AttributeError: 'EasyDict' object has no attribute 'bar'
Works recursively
>>> d = EasyDict({'foo':3, 'bar':{'x':1, 'y':2}})
>>> isinstance(d.bar, dict)
True
>>> d.bar.x
1
Bullet-proof
>>> EasyDict({})
{}
>>> EasyDict(d={})
{}
>>> EasyDict(None)
{}
>>> d = {'a': 1}
>>> EasyDict(**d)
{'a': 1}
>>> EasyDict((('a', 1), ('b', 2)))
{'a': 1, 'b': 2}
Set attributes
>>> d = EasyDict()
>>> d.foo = 3
>>> d.foo
3
>>> d.bar = {'prop': 'value'}
>>> d.bar.prop
'value'
>>> d
{'foo': 3, 'bar': {'prop': 'value'}}
>>> d.bar.prop = 'newer'
>>> d.bar.prop
'newer'
Values extraction
>>> d = EasyDict({'foo':0, 'bar':[{'x':1, 'y':2}, {'x':3, 'y':4}]})
>>> isinstance(d.bar, list)
True
>>> from operator import attrgetter
>>> list(map(attrgetter('x'), d.bar))
[1, 3]
>>> list(map(attrgetter('y'), d.bar))
[2, 4]
>>> d = EasyDict()
>>> list(d.keys())
[]
>>> d = EasyDict(foo=3, bar=dict(x=1, y=2))
>>> d.foo
3
>>> d.bar.x
1
Still like a dict though
>>> o = EasyDict({'clean':True})
>>> list(o.items())
[('clean', True)]
And like a class
>>> class Flower(EasyDict):
... power = 1
...
>>> f = Flower()
>>> f.power
1
>>> f = Flower({'height': 12})
>>> f.height
12
>>> f['power']
1
>>> sorted(f.keys())
['height', 'power']
update and pop items
>>> d = EasyDict(a=1, b='2')
>>> e = EasyDict(c=3.0, a=9.0)
>>> d.update(e)
>>> d.c
3.0
>>> d['c']
3.0
>>> d.get('c')
3.0
>>> d.update(a=4, b=4)
>>> d.b
4
>>> d.pop('a')
4
>>> d.a
Traceback (most recent call last):
...
AttributeError: 'EasyDict' object has no attribute 'a'
"""
def __init__(self, d=None, **kwargs):
if d is None:
d = {}
else:
d = dict(d)
if kwargs:
d.update(**kwargs)
for k, v in d.items():
setattr(self, k, v)
# Class attributes
for k in self.__class__.__dict__.keys():
if not (k.startswith('__') and k.endswith('__')) and not k in ('update', 'pop'):
setattr(self, k, getattr(self, k))
def __setattr__(self, name, value):
if isinstance(value, (list, tuple)):
value = [self.__class__(x)
if isinstance(x, dict) else x for x in value]
elif isinstance(value, dict) and not isinstance(value, self.__class__):
value = self.__class__(value)
super(EasyDict, self).__setattr__(name, value)
super(EasyDict, self).__setitem__(name, value)
__setitem__ = __setattr__
def update(self, e=None, **f):
d = e or dict()
d.update(f)
for k in d:
setattr(self, k, d[k])
def pop(self, k, d=None):
delattr(self, k)
return super(EasyDict, self).pop(k, d)
if __name__ == "__main__":
import doctest
doctest.testmod()

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# MIT License
# Copyright (c) 2022 Intelligent Systems Lab Org
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# File author: Shariq Farooq Bhat
import numpy as np
def get_intrinsics(H,W):
"""
Intrinsics for a pinhole camera model.
Assume fov of 55 degrees and central principal point.
"""
f = 0.5 * W / np.tan(0.5 * 55 * np.pi / 180.0)
cx = 0.5 * W
cy = 0.5 * H
return np.array([[f, 0, cx],
[0, f, cy],
[0, 0, 1]])
def depth_to_points(depth, R=None, t=None):
K = get_intrinsics(depth.shape[1], depth.shape[2])
Kinv = np.linalg.inv(K)
if R is None:
R = np.eye(3)
if t is None:
t = np.zeros(3)
# M converts from your coordinate to PyTorch3D's coordinate system
M = np.eye(3)
M[0, 0] = -1.0
M[1, 1] = -1.0
height, width = depth.shape[1:3]
x = np.arange(width)
y = np.arange(height)
coord = np.stack(np.meshgrid(x, y), -1)
coord = np.concatenate((coord, np.ones_like(coord)[:, :, [0]]), -1) # z=1
coord = coord.astype(np.float32)
# coord = torch.as_tensor(coord, dtype=torch.float32, device=device)
coord = coord[None] # bs, h, w, 3
D = depth[:, :, :, None, None]
# print(D.shape, Kinv[None, None, None, ...].shape, coord[:, :, :, :, None].shape )
pts3D_1 = D * Kinv[None, None, None, ...] @ coord[:, :, :, :, None]
# pts3D_1 live in your coordinate system. Convert them to Py3D's
pts3D_1 = M[None, None, None, ...] @ pts3D_1
# from reference to targe tviewpoint
pts3D_2 = R[None, None, None, ...] @ pts3D_1 + t[None, None, None, :, None]
# pts3D_2 = pts3D_1
# depth_2 = pts3D_2[:, :, :, 2, :] # b,1,h,w
return pts3D_2[:, :, :, :3, 0][0]
def create_triangles(h, w, mask=None):
"""
Reference: https://github.com/google-research/google-research/blob/e96197de06613f1b027d20328e06d69829fa5a89/infinite_nature/render_utils.py#L68
Creates mesh triangle indices from a given pixel grid size.
This function is not and need not be differentiable as triangle indices are
fixed.
Args:
h: (int) denoting the height of the image.
w: (int) denoting the width of the image.
Returns:
triangles: 2D numpy array of indices (int) with shape (2(W-1)(H-1) x 3)
"""
x, y = np.meshgrid(range(w - 1), range(h - 1))
tl = y * w + x
tr = y * w + x + 1
bl = (y + 1) * w + x
br = (y + 1) * w + x + 1
triangles = np.array([tl, bl, tr, br, tr, bl])
triangles = np.transpose(triangles, (1, 2, 0)).reshape(
((w - 1) * (h - 1) * 2, 3))
if mask is not None:
mask = mask.reshape(-1)
triangles = triangles[mask[triangles].all(1)]
return triangles

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# MIT License
# Copyright (c) 2022 Intelligent Systems Lab Org
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# File author: Shariq Farooq Bhat
"""Miscellaneous utility functions."""
from scipy import ndimage
import base64
import math
import re
from io import BytesIO
import matplotlib
import matplotlib.cm
import numpy as np
import requests
import torch
import torch.distributed as dist
import torch.nn
import torch.nn as nn
import torch.utils.data.distributed
from PIL import Image
from torchvision.transforms import ToTensor
class RunningAverage:
def __init__(self):
self.avg = 0
self.count = 0
def append(self, value):
self.avg = (value + self.count * self.avg) / (self.count + 1)
self.count += 1
def get_value(self):
return self.avg
def denormalize(x):
"""Reverses the imagenet normalization applied to the input.
Args:
x (torch.Tensor - shape(N,3,H,W)): input tensor
Returns:
torch.Tensor - shape(N,3,H,W): Denormalized input
"""
mean = torch.Tensor([0.485, 0.456, 0.406]).view(1, 3, 1, 1).to(x.device)
std = torch.Tensor([0.229, 0.224, 0.225]).view(1, 3, 1, 1).to(x.device)
return x * std + mean
class RunningAverageDict:
"""A dictionary of running averages."""
def __init__(self):
self._dict = None
def update(self, new_dict):
if new_dict is None:
return
if self._dict is None:
self._dict = dict()
for key, value in new_dict.items():
self._dict[key] = RunningAverage()
for key, value in new_dict.items():
self._dict[key].append(value)
def get_value(self):
if self._dict is None:
return None
return {key: value.get_value() for key, value in self._dict.items()}
def colorize(value, vmin=None, vmax=None, cmap='gray_r', invalid_val=-99, invalid_mask=None, background_color=(128, 128, 128, 255), gamma_corrected=False, value_transform=None):
"""Converts a depth map to a color image.
Args:
value (torch.Tensor, numpy.ndarry): Input depth map. Shape: (H, W) or (1, H, W) or (1, 1, H, W). All singular dimensions are squeezed
vmin (float, optional): vmin-valued entries are mapped to start color of cmap. If None, value.min() is used. Defaults to None.
vmax (float, optional): vmax-valued entries are mapped to end color of cmap. If None, value.max() is used. Defaults to None.
cmap (str, optional): matplotlib colormap to use. Defaults to 'magma_r'.
invalid_val (int, optional): Specifies value of invalid pixels that should be colored as 'background_color'. Defaults to -99.
invalid_mask (numpy.ndarray, optional): Boolean mask for invalid regions. Defaults to None.
background_color (tuple[int], optional): 4-tuple RGB color to give to invalid pixels. Defaults to (128, 128, 128, 255).
gamma_corrected (bool, optional): Apply gamma correction to colored image. Defaults to False.
value_transform (Callable, optional): Apply transform function to valid pixels before coloring. Defaults to None.
Returns:
numpy.ndarray, dtype - uint8: Colored depth map. Shape: (H, W, 4)
"""
if isinstance(value, torch.Tensor):
value = value.detach().cpu().numpy()
value = value.squeeze()
if invalid_mask is None:
invalid_mask = value == invalid_val
mask = np.logical_not(invalid_mask)
# normalize
vmin = np.percentile(value[mask],2) if vmin is None else vmin
vmax = np.percentile(value[mask],85) if vmax is None else vmax
if vmin != vmax:
value = (value - vmin) / (vmax - vmin) # vmin..vmax
else:
# Avoid 0-division
value = value * 0.
# squeeze last dim if it exists
# grey out the invalid values
value[invalid_mask] = np.nan
cmapper = matplotlib.cm.get_cmap(cmap)
if value_transform:
value = value_transform(value)
# value = value / value.max()
value = cmapper(value, bytes=True) # (nxmx4)
# img = value[:, :, :]
img = value[...]
img[invalid_mask] = background_color
# return img.transpose((2, 0, 1))
if gamma_corrected:
# gamma correction
img = img / 255
img = np.power(img, 2.2)
img = img * 255
img = img.astype(np.uint8)
return img
def count_parameters(model, include_all=False):
return sum(p.numel() for p in model.parameters() if p.requires_grad or include_all)
def compute_errors(gt, pred):
"""Compute metrics for 'pred' compared to 'gt'
Args:
gt (numpy.ndarray): Ground truth values
pred (numpy.ndarray): Predicted values
gt.shape should be equal to pred.shape
Returns:
dict: Dictionary containing the following metrics:
'a1': Delta1 accuracy: Fraction of pixels that are within a scale factor of 1.25
'a2': Delta2 accuracy: Fraction of pixels that are within a scale factor of 1.25^2
'a3': Delta3 accuracy: Fraction of pixels that are within a scale factor of 1.25^3
'abs_rel': Absolute relative error
'rmse': Root mean squared error
'log_10': Absolute log10 error
'sq_rel': Squared relative error
'rmse_log': Root mean squared error on the log scale
'silog': Scale invariant log error
"""
thresh = np.maximum((gt / pred), (pred / gt))
a1 = (thresh < 1.25).mean()
a2 = (thresh < 1.25 ** 2).mean()
a3 = (thresh < 1.25 ** 3).mean()
abs_rel = np.mean(np.abs(gt - pred) / gt)
sq_rel = np.mean(((gt - pred) ** 2) / gt)
rmse = (gt - pred) ** 2
rmse = np.sqrt(rmse.mean())
rmse_log = (np.log(gt) - np.log(pred)) ** 2
rmse_log = np.sqrt(rmse_log.mean())
err = np.log(pred) - np.log(gt)
silog = np.sqrt(np.mean(err ** 2) - np.mean(err) ** 2) * 100
log_10 = (np.abs(np.log10(gt) - np.log10(pred))).mean()
return dict(a1=a1, a2=a2, a3=a3, abs_rel=abs_rel, rmse=rmse, log_10=log_10, rmse_log=rmse_log,
silog=silog, sq_rel=sq_rel)
def compute_metrics(gt, pred, interpolate=True, garg_crop=False, eigen_crop=True, dataset='nyu', min_depth_eval=0.1, max_depth_eval=10, **kwargs):
"""Compute metrics of predicted depth maps. Applies cropping and masking as necessary or specified via arguments. Refer to compute_errors for more details on metrics.
"""
if 'config' in kwargs:
config = kwargs['config']
garg_crop = config.garg_crop
eigen_crop = config.eigen_crop
min_depth_eval = config.min_depth_eval
max_depth_eval = config.max_depth_eval
if gt.shape[-2:] != pred.shape[-2:] and interpolate:
pred = nn.functional.interpolate(
pred, gt.shape[-2:], mode='bilinear', align_corners=True)
pred = pred.squeeze().cpu().numpy()
pred[pred < min_depth_eval] = min_depth_eval
pred[pred > max_depth_eval] = max_depth_eval
pred[np.isinf(pred)] = max_depth_eval
pred[np.isnan(pred)] = min_depth_eval
gt_depth = gt.squeeze().cpu().numpy()
valid_mask = np.logical_and(
gt_depth > min_depth_eval, gt_depth < max_depth_eval)
if garg_crop or eigen_crop:
gt_height, gt_width = gt_depth.shape
eval_mask = np.zeros(valid_mask.shape)
if garg_crop:
eval_mask[int(0.40810811 * gt_height):int(0.99189189 * gt_height),
int(0.03594771 * gt_width):int(0.96405229 * gt_width)] = 1
elif eigen_crop:
# print("-"*10, " EIGEN CROP ", "-"*10)
if dataset == 'kitti':
eval_mask[int(0.3324324 * gt_height):int(0.91351351 * gt_height),
int(0.0359477 * gt_width):int(0.96405229 * gt_width)] = 1
else:
# assert gt_depth.shape == (480, 640), "Error: Eigen crop is currently only valid for (480, 640) images"
eval_mask[45:471, 41:601] = 1
else:
eval_mask = np.ones(valid_mask.shape)
valid_mask = np.logical_and(valid_mask, eval_mask)
return compute_errors(gt_depth[valid_mask], pred[valid_mask])
#################################### Model uilts ################################################
def parallelize(config, model, find_unused_parameters=True):
if config.gpu is not None:
torch.cuda.set_device(config.gpu)
model = model.cuda(config.gpu)
config.multigpu = False
if config.distributed:
# Use DDP
config.multigpu = True
config.rank = config.rank * config.ngpus_per_node + config.gpu
dist.init_process_group(backend=config.dist_backend, init_method=config.dist_url,
world_size=config.world_size, rank=config.rank)
config.batch_size = int(config.batch_size / config.ngpus_per_node)
# config.batch_size = 8
config.workers = int(
(config.num_workers + config.ngpus_per_node - 1) / config.ngpus_per_node)
print("Device", config.gpu, "Rank", config.rank, "batch size",
config.batch_size, "Workers", config.workers)
torch.cuda.set_device(config.gpu)
model = nn.SyncBatchNorm.convert_sync_batchnorm(model)
model = model.cuda(config.gpu)
model = torch.nn.parallel.DistributedDataParallel(model, device_ids=[config.gpu], output_device=config.gpu,
find_unused_parameters=find_unused_parameters)
elif config.gpu is None:
# Use DP
config.multigpu = True
model = model.cuda()
model = torch.nn.DataParallel(model)
return model
#################################################################################################
#####################################################################################################
class colors:
'''Colors class:
Reset all colors with colors.reset
Two subclasses fg for foreground and bg for background.
Use as colors.subclass.colorname.
i.e. colors.fg.red or colors.bg.green
Also, the generic bold, disable, underline, reverse, strikethrough,
and invisible work with the main class
i.e. colors.bold
'''
reset = '\033[0m'
bold = '\033[01m'
disable = '\033[02m'
underline = '\033[04m'
reverse = '\033[07m'
strikethrough = '\033[09m'
invisible = '\033[08m'
class fg:
black = '\033[30m'
red = '\033[31m'
green = '\033[32m'
orange = '\033[33m'
blue = '\033[34m'
purple = '\033[35m'
cyan = '\033[36m'
lightgrey = '\033[37m'
darkgrey = '\033[90m'
lightred = '\033[91m'
lightgreen = '\033[92m'
yellow = '\033[93m'
lightblue = '\033[94m'
pink = '\033[95m'
lightcyan = '\033[96m'
class bg:
black = '\033[40m'
red = '\033[41m'
green = '\033[42m'
orange = '\033[43m'
blue = '\033[44m'
purple = '\033[45m'
cyan = '\033[46m'
lightgrey = '\033[47m'
def printc(text, color):
print(f"{color}{text}{colors.reset}")
############################################
def get_image_from_url(url):
response = requests.get(url)
img = Image.open(BytesIO(response.content)).convert("RGB")
return img
def url_to_torch(url, size=(384, 384)):
img = get_image_from_url(url)
img = img.resize(size, Image.ANTIALIAS)
img = torch.from_numpy(np.asarray(img)).float()
img = img.permute(2, 0, 1)
img.div_(255)
return img
def pil_to_batched_tensor(img):
return ToTensor()(img).unsqueeze(0)
def save_raw_16bit(depth, fpath="raw.png"):
if isinstance(depth, torch.Tensor):
depth = depth.squeeze().cpu().numpy()
assert isinstance(depth, np.ndarray), "Depth must be a torch tensor or numpy array"
assert depth.ndim == 2, "Depth must be 2D"
depth = depth * 256 # scale for 16-bit png
depth = depth.astype(np.uint16)
depth = Image.fromarray(depth)
depth.save(fpath)
print("Saved raw depth to", fpath)