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Commit 2d21747a authored by Zhang's avatar Zhang
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v0.4.2

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encoding/parallel.py
View file @ 2d21747a
......@@ -189,10 +189,11 @@ def _criterion_parallel_apply(modules, inputs, targets, kwargs_tup=None, devices
outputs.append(output)
return outputs
###########################################################################
# Adapted from Synchronized-BatchNorm-PyTorch.
# https://github.com/vacancy/Synchronized-BatchNorm-PyTorch
#
class CallbackContext(object):
pass
......
encoding/src/encoding_lib.cpp deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#include <THC/THC.h>
#include <thc_encoding.h>
extern THCState *state;
#ifdef __cplusplus
extern "C" {
#endif
// float
#include "generic/encoding_generic.c"
#include "THC/THCGenerateFloatType.h"
#include "generic/syncbn_generic.c"
#include "THC/THCGenerateFloatType.h"
#include "generic/pooling_generic.c"
#include "THC/THCGenerateFloatType.h"
// double
#include "generic/encoding_generic.c"
#include "THC/THCGenerateDoubleType.h"
#include "generic/syncbn_generic.c"
#include "THC/THCGenerateDoubleType.h"
#include "generic/pooling_generic.c"
#include "THC/THCGenerateDoubleType.h"
#ifdef __cplusplus
}
#endif
encoding/src/encoding_lib.h deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
/*
#include <THC/THC.h>
#ifdef __cplusplus
extern "C" {
#endif
#define Encoding_(NAME) TH_CONCAT_4(Encoding_, Real, _, NAME)
#define THCTensor TH_CONCAT_3(TH,CReal,Tensor)
#define THCTensor_(NAME) TH_CONCAT_4(TH,CReal,Tensor_,NAME)
// float
#include "generic/encoding_generic.h"
#include "THC/THCGenerateFloatType.h"
#include "generic/syncbn_generic.h"
#include "THC/THCGenerateFloatType.h"
#ifdef __cplusplus
}
#endif
*/
int Encoding_Float_scaledl2_forward(THCudaTensor *SL,
THCudaTensor *X, THCudaTensor *C, THCudaTensor *S);
int Encoding_Float_scaledl2_backward(
THCudaTensor *GSL, THCudaTensor *GX, THCudaTensor *GC,
THCudaTensor *X, THCudaTensor *C, THCudaTensor *S);
int Encoding_Float_aggregate_forward(THCudaTensor *E, THCudaTensor *A,
THCudaTensor *X, THCudaTensor *C);
int Encoding_Float_aggregate_backward(THCudaTensor *GA, THCudaTensor *GE,
THCudaTensor *A, THCudaTensor *X, THCudaTensor *C);
int Encoding_Float_batchnorm_Forward(THCudaTensor *output_,
THCudaTensor *input_, THCudaTensor *mean_,
THCudaTensor *invstd_, THCudaTensor *gamma_, THCudaTensor *beta_);
int Encoding_Float_batchnorm_Backward(THCudaTensor *gradoutput_,
THCudaTensor *input_, THCudaTensor *gradinput_,
THCudaTensor *gradgamma_, THCudaTensor *gradbeta_,
THCudaTensor *mean_, THCudaTensor *invstd_,
THCudaTensor *gamma_,THCudaTensor *beta_,
THCudaTensor *gradMean_, THCudaTensor *gradStd_, int train);
int Encoding_Float_sum_square_Forward(THCudaTensor *input_,
THCudaTensor *sum_, THCudaTensor *square_);
int Encoding_Float_sum_square_Backward(
THCudaTensor *gradInput, THCudaTensor *input_,
THCudaTensor *gradSum_, THCudaTensor *gradSquare_);
int Encoding_Float_DilatedAvgPool2d_Forward(
THCudaTensor *X_, THCudaTensor *Y_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW);
int Encoding_Float_DilatedAvgPool2d_Backward(
THCudaTensor *gradX_, THCudaTensor *gradY_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW);
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
int Encoding_Double_scaledl2_forward(THCudaDoubleTensor *SL,
THCudaDoubleTensor *X, THCudaDoubleTensor *C, THCudaDoubleTensor *S);
int Encoding_Double_scaledl2_backward(
THCudaDoubleTensor *GSL, THCudaDoubleTensor *GX,
THCudaDoubleTensor *GC, THCudaDoubleTensor *X,
THCudaDoubleTensor *C, THCudaDoubleTensor *S);
int Encoding_Double_aggregate_forward(THCudaDoubleTensor *E,
THCudaDoubleTensor *A, THCudaDoubleTensor *X, THCudaDoubleTensor *C);
int Encoding_Double_aggregate_backward(THCudaDoubleTensor *GA,
THCudaDoubleTensor *GE, THCudaDoubleTensor *A, THCudaDoubleTensor *X,
THCudaDoubleTensor *C);
int Encoding_Double_batchnorm_Forward(THCudaDoubleTensor *output_,
THCudaDoubleTensor *input_, THCudaDoubleTensor *mean_,
THCudaDoubleTensor *invstd_, THCudaDoubleTensor *gamma_,
THCudaDoubleTensor *beta_);
int Encoding_Double_batchnorm_Backward(THCudaDoubleTensor *gradoutput_,
THCudaDoubleTensor *input_, THCudaDoubleTensor *gradinput_,
THCudaDoubleTensor *gradgamma_, THCudaDoubleTensor *gradbeta_,
THCudaDoubleTensor *mean_, THCudaDoubleTensor *invstd_,
THCudaDoubleTensor *gamma_, THCudaDoubleTensor *beta_,
THCudaDoubleTensor *gradMean_, THCudaDoubleTensor *gradStd_,
int train);
int Encoding_Double_sum_square_Forward(THCudaDoubleTensor *input_,
THCudaDoubleTensor *sum_, THCudaDoubleTensor *square_);
void Encoding_Double_sum_square_Backward(
THCudaDoubleTensor *gradInput, THCudaDoubleTensor *input_,
THCudaDoubleTensor *gradSum_, THCudaDoubleTensor *gradSquare_);
int Encoding_Double_DilatedAvgPool2d_Forward(
THCudaDoubleTensor *X_, THCudaDoubleTensor *Y_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW);
int Encoding_Double_DilatedAvgPool2d_Backward(
THCudaDoubleTensor *gradX_, THCudaDoubleTensor *gradY_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW);
encoding/src/generic/encoding_generic.c deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/encoding_generic.c"
#else
int Encoding_(scaledl2_forward)(THCTensor *SL,
THCTensor *X, THCTensor *C, THCTensor *S)
/*
* ScaledL2 operation
*/
{
Encoding_(ScaledL2_Forward)(state, SL, X, C, S);
/* C function return number of the outputs */
return 0;
}
int Encoding_(scaledl2_backward)(
THCTensor *GSL, THCTensor *GX, THCTensor *GC,
THCTensor *X, THCTensor *C, THCTensor *S)
/*
* ScaledL2 operation
*/
{
Encoding_(ScaledL2_Backward)(state, GSL, GX, GC, X, C, S);
/* C function return number of the outputs */
return 0;
}
int Encoding_(aggregate_forward)(THCTensor *E, THCTensor *A,
THCTensor *X, THCTensor *C)
/*
* Aggregate operation
*/
{
Encoding_(Aggregate_Forward)(state, E, A, X, C);
/* C function return number of the outputs */
return 0;
}
int Encoding_(aggregate_backward)(THCTensor *GA, THCTensor *GE,
THCTensor *A, THCTensor *X, THCTensor *C)
/*
* Aggregate backward operation to A
* G (dl/dR), L (dl/dE), A (assignments)
*/
{
Encoding_(Aggregate_Backward)(state, GA, GE, A, X, C);
/* C function return number of the outputs */
return 0;
}
#endif
encoding/src/generic/encoding_generic.h deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/encoding_generic.h"
#else
int Encoding_(scaledl2_forward)(THCTensor *SL,
THCTensor *X, THCTensor *C, THCTensor *S);
int Encoding_(scaledl2_backward)(
THCTensor *GSL, THCTensor *GX, THCTensor *GC,
THCTensor *X, THCTensor *C, THCTensor *S);
int Encoding_(aggregate_forward)(THCTensor *E, THCTensor *A,
THCTensor *X, THCTensor *C);
int Encoding_(aggregate_backward)(THCTensor *GA, THCTensor *GE,
THCTensor *A, THCTensor *X, THCTensor *C);
int Encoding_(aggregateP_forward)(THCTensor *E, THCTensor *A,
THCTensor *R);
int Encoding_(aggregateP_backward)(THCTensor *GA, THCTensor *GR,
THCTensor *L, THCTensor *A, THCTensor *R);
int Encoding_(residual_forward)(THCTensor *R, THCTensor *X, THCTensor *D);
int Encoding_(residual_backward)(THCTensor *GR, THCTensor *GX,
THCTensor *GD);
int Encoding_(squaresqueeze_forward)(THCTensor *L, THCTensor *R);
int Encoding_(squaresqueeze_backward)(THCTensor *GL, THCTensor *GR,
THCTensor *R);
#endif
encoding/src/generic/pooling_generic.c deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/pooling_generic.c"
#else
int Encoding_(DilatedAvgPool2d_Forward)(
THCTensor *X_, THCTensor *Y_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW)
/*
*/
{
Encoding_(DilatedAvgPool_Forward)(state,
X_, Y_, kH, kW, dH, dW,
padH, padW, dilationH, dilationW);
/* C function return number of the outputs */
return 0;
}
int Encoding_(DilatedAvgPool2d_Backward)(
THCTensor *gradX_, THCTensor *gradY_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW)
/*
*/
{
Encoding_(DilatedAvgPool_Backward)(state,
gradX_, gradY_, kH, kW, dH, dW,
padH, padW, dilationH, dilationW);
/* C function return number of the outputs */
return 0;
}
#endif
encoding/src/generic/pooling_generic.h deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/pooling_generic.c"
#else
int Encoding_(DilatedAvgPool2d_Forward)(
THCTensor *X_, THCTensor *Y_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW);
int Encoding_(DilatedAvgPool2d_Backward)(
THCTensor *gradX_, THCTensor *gradY_,
int kH, int kW, int dH, int dW,
int padH, int padW,
int dilationH, int dilationW);
#endif
encoding/src/generic/syncbn_generic.c deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/syncbn_generic.c"
#else
int Encoding_(batchnorm_Forward)(THCTensor *output_, THCTensor *input_,
THCTensor *mean_, THCTensor *invstd_,
THCTensor *gamma_, THCTensor *beta_)
/*
*
*/
{
Encoding_(BatchNorm_Forward)(state, output_, input_,
mean_, invstd_, gamma_, beta_);
/* C function return number of the outputs */
return 0;
}
int Encoding_(batchnorm_Backward)(THCTensor *gradoutput_,
THCTensor *input_, THCTensor *gradinput_,
THCTensor *gradgamma_, THCTensor *gradbeta_, THCTensor *mean_,
THCTensor *invstd_, THCTensor *gamma_, THCTensor *beta_,
THCTensor *gradMean_, THCTensor *gradStd_, int train)
/*
*/
{
Encoding_(BatchNorm_Backward)(state, gradoutput_, input_, gradinput_,
gradgamma_, gradbeta_, mean_, invstd_, gamma_, beta_, gradMean_, gradStd_,
train);
/* C function return number of the outputs */
return 0;
}
int Encoding_(sum_square_Forward)(THCTensor *input_,
THCTensor *sum_, THCTensor *square_)
/*
*/
{
Encoding_(Sum_Square_Forward)(state, input_, sum_, square_);
/* C function return number of the outputs */
return 0;
}
int Encoding_(sum_square_Backward)(
THCTensor *gradInput, THCTensor *input_,
THCTensor *gradSum_, THCTensor *gradSquare_)
/*
*/
{
Encoding_(Sum_Square_Backward)(state, gradInput, input_, gradSum_,
gradSquare_);
/* C function return number of the outputs */
return 0;
}
#endif
encoding/src/generic/syncbn_generic.h deleted 100644 → 0
View file @ 7e19143c
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Created by: Hang Zhang
* ECE Department, Rutgers University
* Email: zhang.hang@rutgers.edu
* Copyright (c) 2017
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/syncbn_generic.h"
#else
int Encoding_(batchnorm_Forward)(THCTensor *output_, THCTensor *input_,
THCTensor *mean_, THCTensor *invstd_,
THCTensor *gamma_, THCTensor *beta_);
int Encoding_(batchnorm_Backward)(THCTensor *gradoutput_,
THCTensor *input_, THCTensor *gradinput_,
THCTensor *gradgamma_, THCTensor *gradbeta_, THCTensor *mean_,
THCTensor *invstd_, THCTensor *gamma_, THCTensor *beta_,
THCTensor *gradMean_, THCTensor *gradStd_, int train);
int Encoding_(sum_square_Forward)(THCTensor *input_,
THCTensor *sum_, THCTensor *square_);
int Encoding_(sum_square_Backward)(
THCTensor *gradInput, THCTensor *input_,
THCTensor *gradSum_, THCTensor *gradSquare_);
#endif
encoding/utils/__init__.py 0 → 100644
View file @ 2d21747a
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
## Created by: Hang Zhang
## ECE Department, Rutgers University
## Email: zhang.hang@rutgers.edu
## Copyright (c) 2017
##
## This source code is licensed under the MIT-style license found in the
## LICENSE file in the root directory of this source tree
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
"""Encoding Util Tools"""
from .lr_scheduler import LR_Scheduler
from .metrics import batch_intersection_union, batch_pix_accuracy
from .pallete import get_mask_pallete
from .train_helper import get_selabel_vector
from .presets import load_image
from .files import *
__all__ = ['LR_Scheduler', 'batch_pix_accuracy', 'batch_intersection_union',
'save_checkpoint', 'download', 'mkdir', 'check_sha1', 'load_image',
'get_mask_pallete']
encoding/utils/files.py 0 → 100644
View file @ 2d21747a
import os
import requests
import errno
import shutil
import hashlib
from tqdm import tqdm
import torch
__all__ = ['save_checkpoint', 'download', 'mkdir', 'check_sha1']
def save_checkpoint(state, args, is_best, filename='checkpoint.pth.tar'):
"""Saves checkpoint to disk"""
directory = "runs/%s/%s/%s/"%(args.dataset, args.model, args.checkname)
if not os.path.exists(directory):
os.makedirs(directory)
filename = directory + filename
torch.save(state, filename)
if is_best:
shutil.copyfile(filename, directory + 'model_best.pth.tar')
def download(url, path=None, overwrite=False, sha1_hash=None):
"""Download an given URL
Parameters
----------
url : str
URL to download
path : str, optional
Destination path to store downloaded file. By default stores to the
current directory with same name as in url.
overwrite : bool, optional
Whether to overwrite destination file if already exists.
sha1_hash : str, optional
Expected sha1 hash in hexadecimal digits. Will ignore existing file when hash is specified
but doesn't match.
Returns
-------
str
The file path of the downloaded file.
"""
if path is None:
fname = url.split('/')[-1]
else:
path = os.path.expanduser(path)
if os.path.isdir(path):
fname = os.path.join(path, url.split('/')[-1])
else:
fname = path
if overwrite or not os.path.exists(fname) or (sha1_hash and not check_sha1(fname, sha1_hash)):
dirname = os.path.dirname(os.path.abspath(os.path.expanduser(fname)))
if not os.path.exists(dirname):
os.makedirs(dirname)
print('Downloading %s from %s...'%(fname, url))
r = requests.get(url, stream=True)
if r.status_code != 200:
raise RuntimeError("Failed downloading url %s"%url)
total_length = r.headers.get('content-length')
with open(fname, 'wb') as f:
if total_length is None: # no content length header
for chunk in r.iter_content(chunk_size=1024):
if chunk: # filter out keep-alive new chunks
f.write(chunk)
else:
total_length = int(total_length)
for chunk in tqdm(r.iter_content(chunk_size=1024),
total=int(total_length / 1024. + 0.5),
unit='KB', unit_scale=False, dynamic_ncols=True):
f.write(chunk)
if sha1_hash and not check_sha1(fname, sha1_hash):
raise UserWarning('File {} is downloaded but the content hash does not match. ' \
'The repo may be outdated or download may be incomplete. ' \
'If the "repo_url" is overridden, consider switching to ' \
'the default repo.'.format(fname))
return fname
def check_sha1(filename, sha1_hash):
"""Check whether the sha1 hash of the file content matches the expected hash.
Parameters
----------
filename : str
Path to the file.
sha1_hash : str
Expected sha1 hash in hexadecimal digits.
Returns
-------
bool
Whether the file content matches the expected hash.
"""
sha1 = hashlib.sha1()
with open(filename, 'rb') as f:
while True:
data = f.read(1048576)
if not data:
break
sha1.update(data)
return sha1.hexdigest() == sha1_hash
def mkdir(path):
"""make dir exists okay"""
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
encoding/utils/lr_scheduler.py 0 → 100644
View file @ 2d21747a
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
## Created by: Hang Zhang
## ECE Department, Rutgers University
## Email: zhang.hang@rutgers.edu
## Copyright (c) 2017
##
## This source code is licensed under the MIT-style license found in the
## LICENSE file in the root directory of this source tree
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
import math
class LR_Scheduler(object):
"""Learning Rate Scheduler
Step mode: ``lr = baselr * 0.1 ^ {floor(epoch-1 / lr_step)}``
Cosine mode: ``lr = baselr * 0.5 * (1 + cos(iter/maxiter))``
Poly mode: ``lr = baselr * (1 - iter/maxiter) ^ 0.9``
Args:
args: :attr:`args.lr_scheduler` lr scheduler mode (`cos`, `poly`),
:attr:`args.lr` base learning rate, :attr:`args.epochs` number of epochs,
:attr:`args.lr_step`
niters: number of iterations per epoch
"""
def __init__(self, args, niters=0):
self.mode = args.lr_scheduler
print('Using {} LR Scheduler!'.format(self.mode))
self.lr = args.lr
if self.mode == 'step':
self.lr_step = args.lr_step
else:
self.niters = niters
self.N = args.epochs * niters
self.epoch = -1
def __call__(self, optimizer, i, epoch, best_pred):
if self.mode == 'cos':
T = (epoch - 1) * self.niters + i
lr = 0.5 * self.lr * (1 + math.cos(1.0 * T / self.N * math.pi))
elif self.mode == 'poly':
T = (epoch - 1) * self.niters + i
lr = self.lr * pow((1 - 1.0 * T / self.N), 0.9)
elif self.mode == 'step':
lr = self.lr * (0.1 ** ((epoch - 1) // self.lr_step))
else:
raise RuntimeError('Unknown LR scheduler!')
if epoch > self.epoch:
print('\n=>Epoches %i, learning rate = %.4f, \
previous best = %.4f' % (epoch, lr, best_pred))
self.epoch = epoch
self._adjust_learning_rate(optimizer, lr)
def _adjust_learning_rate(self, optimizer, lr):
if len(optimizer.param_groups) == 1:
optimizer.param_groups[0]['lr'] = lr
else:
# enlarge the lr at the head
optimizer.param_groups[0]['lr'] = lr
for i in range(1, len(optimizer.param_groups)):
optimizer.param_groups[i]['lr'] = lr * 10
encoding/utils/metrics.py 0 → 100644
View file @ 2d21747a
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
## Created by: Hang Zhang
## ECE Department, Rutgers University
## Email: zhang.hang@rutgers.edu
## Copyright (c) 2017
##
## This source code is licensed under the MIT-style license found in the
## LICENSE file in the root directory of this source tree
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
import numpy as np
import torch
def batch_pix_accuracy(predict, target):
"""Batch Pixel Accuracy
Args:
predict: input 4D tensor
target: label 3D tensor
"""
_, predict = torch.max(predict, 1)
predict = predict.cpu().numpy() + 1
target = target.cpu().numpy() + 1
pixel_labeled = np.sum(target > 0)
pixel_correct = np.sum((predict == target)*(target > 0))
assert pixel_correct <= pixel_labeled, "Correct area should be smaller than Labeled"
return pixel_correct, pixel_labeled
def batch_intersection_union(predict, target, nclass):
"""Batch Intersection of Union
Args:
predict: input 4D tensor
target: label 3D tensor
nclass: number of categories (int)
"""
_, predict = torch.max(predict, 1)
mini = 1
maxi = nclass
nbins = nclass
predict = predict.cpu().numpy() + 1
target = target.cpu().numpy() + 1
predict = predict * (target > 0).astype(predict.dtype)
intersection = predict * (predict == target)
# areas of intersection and union
area_inter, _ = np.histogram(intersection, bins=nbins, range=(mini, maxi))
area_pred, _ = np.histogram(predict, bins=nbins, range=(mini, maxi))
area_lab, _ = np.histogram(target, bins=nbins, range=(mini, maxi))
area_union = area_pred + area_lab - area_inter
assert (area_inter <= area_union).all(), \
"Intersection area should be smaller than Union area"
return area_inter, area_union
# ref https://github.com/CSAILVision/sceneparsing/blob/master/evaluationCode/utils_eval.py
def pixel_accuracy(im_pred, im_lab):
im_pred = np.asarray(im_pred)
im_lab = np.asarray(im_lab)
# Remove classes from unlabeled pixels in gt image.
# We should not penalize detections in unlabeled portions of the image.
pixel_labeled = np.sum(im_lab > 0)
pixel_correct = np.sum((im_pred == im_lab) * (im_lab > 0))
#pixel_accuracy = 1.0 * pixel_correct / pixel_labeled
return pixel_correct, pixel_labeled
def intersection_and_union(im_pred, im_lab, num_class):
im_pred = np.asarray(im_pred)
im_lab = np.asarray(im_lab)
# Remove classes from unlabeled pixels in gt image.
im_pred = im_pred * (im_lab > 0)
# Compute area intersection:
intersection = im_pred * (im_pred == im_lab)
area_inter, _ = np.histogram(intersection, bins=num_class-1,
range=(1, num_class - 1))
# Compute area union:
area_pred, _ = np.histogram(im_pred, bins=num_class-1,
range=(1, num_class - 1))
area_lab, _ = np.histogram(im_lab, bins=num_class-1,
range=(1, num_class - 1))
area_union = area_pred + area_lab - area_inter
return area_inter, area_union
encoding/utils.py → encoding/utils/pallete.py
View file @ 2d21747a
......@@ -8,162 +8,7 @@
## LICENSE file in the root directory of this source tree
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
"""Encoding Util Tools"""
import os
import errno
import requests
import shutil
import hashlib
import math
from tqdm import tqdm
import numpy as np
import torch
__all__ = ['LR_Scheduler', 'save_checkpoint', 'batch_pix_accuracy',
'batch_intersection_union', 'download', 'mkdir', 'check_sha1']
class LR_Scheduler(object):
"""Learning Rate Scheduler
Step mode: ``lr = baselr * 0.1 ^ {floor(epoch-1 / lr_step)}``
Cosine mode: ``lr = baselr * 0.5 * (1 + cos(iter/maxiter))``
Poly mode: ``lr = baselr * (1 - iter/maxiter) ^ 0.9``
Args:
args: :attr:`args.lr_scheduler` lr scheduler mode (`cos`, `poly`),
:attr:`args.lr` base learning rate, :attr:`args.epochs` number of epochs,
:attr:`args.lr_step`
niters: number of iterations per epoch
"""
def __init__(self, args, niters=0):
self.mode = args.lr_scheduler
print('Using {} LR Scheduler!'.format(self.mode))
self.lr = args.lr
if self.mode == 'step':
self.lr_step = args.lr_step
else:
self.niters = niters
self.N = args.epochs * niters
self.epoch = -1
def __call__(self, optimizer, i, epoch, best_pred):
if self.mode == 'cos':
T = (epoch - 1) * self.niters + i
lr = 0.5 * self.lr * (1 + math.cos(1.0 * T / self.N * math.pi))
elif self.mode == 'poly':
T = (epoch - 1) * self.niters + i
lr = self.lr * pow((1 - 1.0 * T / self.N), 0.9)
elif self.mode == 'step':
lr = self.lr * (0.1 ** ((epoch - 1) // self.lr_step))
else:
raise RuntimeError('Unknown LR scheduler!')
if epoch > self.epoch:
print('\n=>Epoches %i, learning rate = %.4f, \
previous best = %.4f' % (epoch, lr, best_pred))
self.epoch = epoch
self._adjust_learning_rate(optimizer, lr)
def _adjust_learning_rate(self, optimizer, lr):
if len(optimizer.param_groups) == 1:
optimizer.param_groups[0]['lr'] = lr
else:
# enlarge the lr at the head
optimizer.param_groups[0]['lr'] = lr
for i in range(1, len(optimizer.param_groups)):
optimizer.param_groups[i]['lr'] = lr * 10
# refer to https://github.com/xternalz/WideResNet-pytorch
def save_checkpoint(state, args, is_best, filename='checkpoint.pth.tar'):
"""Saves checkpoint to disk"""
directory = "runs/%s/%s/%s/"%(args.dataset, args.model, args.checkname)
if not os.path.exists(directory):
os.makedirs(directory)
filename = directory + filename
torch.save(state, filename)
if is_best:
shutil.copyfile(filename, directory + 'model_best.pth.tar')
def batch_pix_accuracy(predict, target):
"""Batch Pixel Accuracy
Args:
predict: input 4D tensor
target: label 3D tensor
"""
_, predict = torch.max(predict, 1)
# pixel_labeled = (target >= 0).sum().item()
# TODO currently torch.eq is not working as expected, change back when it's fixed
# pixel_correct = torch.eq(predict, target).sum().item()
predict = predict.cpu().numpy()
target = target.cpu().numpy()
pixel_labeled = np.sum(target >= 0)
pixel_correct = np.sum((predict == target)*(target >= 0))
assert(pixel_correct <= pixel_labeled)
return pixel_correct, pixel_labeled
def batch_intersection_union(predict, target, nclass):
"""Batch Intersection of Union
Args:
predict: input 4D tensor
target: label 3D tensor
nclass: number of categories (int)
"""
_, predict = torch.max(predict, 1)
mini = 0
maxi = nclass - 1
nbins = nclass
"""
predict = predict.cpu().numpy()
target = target.cpu().numpy()
predict = predict * (target >= 0).astype(predict.dtype)
intersection = predict * (predict == target)
# areas of intersection and union
area_inter, _ = np.histogram(intersection, bins=nbins,
range=(mini, maxi))
area_pred, _ = np.histogram(predict, bins=nbins,
range=(mini, maxi))
area_lab, _ = np.histogram(target, bins=nbins,
range=(mini, maxi))
area_union = area_pred + area_lab - area_inter
# Somehow PyTorch update break this, will change back if fixed
"""
predict = predict * (target >= 0).type_as(predict)
intersection = predict * (predict == target).type_as(predict)
area_inter = torch.histc(intersection.cpu().float(), bins=nclass,
min=mini, max=maxi)
area_pred = torch.histc(predict.cpu().float(), bins=nclass, min=mini,
max=maxi)
area_lab = torch.histc(target.cpu().float(), bins=nclass, min=mini,
max=maxi)
area_union = area_pred + area_lab - area_inter
return area_inter, area_union
def get_selabel_vector(target, nclass):
"""Get SE-Loss Label in a batch
Args:
predict: input 4D tensor
target: label 3D tensor (BxHxW)
nclass: number of categories (int)
Output:
2D tensor (BxnClass)
"""
batch = target.size(0)
tvect = torch.zeros(batch, nclass)
for i in range(batch):
hist = torch.histc(target[i].data.float(),
bins=nclass, min=0,
max=nclass-1)
vect = hist>0
tvect[i] = vect
return tvect
from PIL import Image
def get_mask_pallete(npimg, dataset='detail'):
"""Get image color pallete for visualizing masks"""
......@@ -171,7 +16,7 @@ def get_mask_pallete(npimg, dataset='detail'):
if dataset == 'pascal_voc':
npimg[npimg==21] = 255
# put colormap
out_img = Image.fromarray(npimg.astype('uint8'))
out_img = Image.fromarray(npimg.squeeze().astype('uint8'))
if dataset == 'ade20k':
out_img.putpalette(adepallete)
elif dataset == 'cityscapes':
......@@ -181,131 +26,6 @@ def get_mask_pallete(npimg, dataset='detail'):
return out_img
def download(url, path=None, overwrite=False, sha1_hash=None):
"""Download an given URL
Parameters
----------
url : str
URL to download
path : str, optional
Destination path to store downloaded file. By default stores to the
current directory with same name as in url.
overwrite : bool, optional
Whether to overwrite destination file if already exists.
sha1_hash : str, optional
Expected sha1 hash in hexadecimal digits. Will ignore existing file when hash is specified
but doesn't match.
Returns
-------
str
The file path of the downloaded file.
"""
if path is None:
fname = url.split('/')[-1]
else:
path = os.path.expanduser(path)
if os.path.isdir(path):
fname = os.path.join(path, url.split('/')[-1])
else:
fname = path
if overwrite or not os.path.exists(fname) or (sha1_hash and not check_sha1(fname, sha1_hash)):
dirname = os.path.dirname(os.path.abspath(os.path.expanduser(fname)))
if not os.path.exists(dirname):
os.makedirs(dirname)
print('Downloading %s from %s...'%(fname, url))
r = requests.get(url, stream=True)
if r.status_code != 200:
raise RuntimeError("Failed downloading url %s"%url)
total_length = r.headers.get('content-length')
with open(fname, 'wb') as f:
if total_length is None: # no content length header
for chunk in r.iter_content(chunk_size=1024):
if chunk: # filter out keep-alive new chunks
f.write(chunk)
else:
total_length = int(total_length)
for chunk in tqdm(r.iter_content(chunk_size=1024),
total=int(total_length / 1024. + 0.5),
unit='KB', unit_scale=False, dynamic_ncols=True):
f.write(chunk)
if sha1_hash and not check_sha1(fname, sha1_hash):
raise UserWarning('File {} is downloaded but the content hash does not match. ' \
'The repo may be outdated or download may be incomplete. ' \
'If the "repo_url" is overridden, consider switching to ' \
'the default repo.'.format(fname))
return fname
def check_sha1(filename, sha1_hash):
"""Check whether the sha1 hash of the file content matches the expected hash.
Parameters
----------
filename : str
Path to the file.
sha1_hash : str
Expected sha1 hash in hexadecimal digits.
Returns
-------
bool
Whether the file content matches the expected hash.
"""
sha1 = hashlib.sha1()
with open(filename, 'rb') as f:
while True:
data = f.read(1048576)
if not data:
break
sha1.update(data)
return sha1.hexdigest() == sha1_hash
def mkdir(path):
"""make dir exists okay"""
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
# ref https://github.com/CSAILVision/sceneparsing/blob/master/evaluationCode/utils_eval.py
def pixel_accuracy(im_pred, im_lab):
im_pred = np.asarray(im_pred)
im_lab = np.asarray(im_lab)
# Remove classes from unlabeled pixels in gt image.
# We should not penalize detections in unlabeled portions of the image.
pixel_labeled = np.sum(im_lab > 0)
pixel_correct = np.sum((im_pred == im_lab) * (im_lab > 0))
#pixel_accuracy = 1.0 * pixel_correct / pixel_labeled
return pixel_correct, pixel_labeled
def intersection_and_union(im_pred, im_lab, num_class):
im_pred = np.asarray(im_pred)
im_lab = np.asarray(im_lab)
# Remove classes from unlabeled pixels in gt image.
im_pred = im_pred * (im_lab > 0)
# Compute area intersection:
intersection = im_pred * (im_pred == im_lab)
area_inter, _ = np.histogram(intersection, bins=num_class-1,
range=(1, num_class - 1))
# Compute area union:
area_pred, _ = np.histogram(im_pred, bins=num_class-1,
range=(1, num_class - 1))
area_lab, _ = np.histogram(im_lab, bins=num_class-1,
range=(1, num_class - 1))
area_union = area_pred + area_lab - area_inter
return area_inter, area_union
def _get_voc_pallete(num_cls):
n = num_cls
pallete = [0]*(n*3)
......@@ -329,3 +49,4 @@ adepallete = [0,0,0,120,120,120,180,120,120,6,230,230,80,50,50,4,200,3,120,120,8
citypallete = [
128,64,128,244,35,232,70,70,70,102,102,156,190,153,153,153,153,153,250,170,30,220,220,0,107,142,35,152,251,152,70,130,180,220,20,60,255,0,0,0,0,142,0,0,70,0,60,100,0,80,100,0,0,230,119,11,32,128,192,0,0,64,128,128,64,128,0,192,128,128,192,128,64,64,0,192,64,0,64,192,0,192,192,0,64,64,128,192,64,128,64,192,128,192,192,128,0,0,64,128,0,64,0,128,64,128,128,64,0,0,192,128,0,192,0,128,192,128,128,192,64,0,64,192,0,64,64,128,64,192,128,64,64,0,192,192,0,192,64,128,192,192,128,192,0,64,64,128,64,64,0,192,64,128,192,64,0,64,192,128,64,192,0,192,192,128,192,192,64,64,64,192,64,64,64,192,64,192,192,64,64,64,192,192,64,192,64,192,192,192,192,192,32,0,0,160,0,0,32,128,0,160,128,0,32,0,128,160,0,128,32,128,128,160,128,128,96,0,0,224,0,0,96,128,0,224,128,0,96,0,128,224,0,128,96,128,128,224,128,128,32,64,0,160,64,0,32,192,0,160,192,0,32,64,128,160,64,128,32,192,128,160,192,128,96,64,0,224,64,0,96,192,0,224,192,0,96,64,128,224,64,128,96,192,128,224,192,128,32,0,64,160,0,64,32,128,64,160,128,64,32,0,192,160,0,192,32,128,192,160,128,192,96,0,64,224,0,64,96,128,64,224,128,64,96,0,192,224,0,192,96,128,192,224,128,192,32,64,64,160,64,64,32,192,64,160,192,64,32,64,192,160,64,192,32,192,192,160,192,192,96,64,64,224,64,64,96,192,64,224,192,64,96,64,192,224,64,192,96,192,192,224,192,192,0,32,0,128,32,0,0,160,0,128,160,0,0,32,128,128,32,128,0,160,128,128,160,128,64,32,0,192,32,0,64,160,0,192,160,0,64,32,128,192,32,128,64,160,128,192,160,128,0,96,0,128,96,0,0,224,0,128,224,0,0,96,128,128,96,128,0,224,128,128,224,128,64,96,0,192,96,0,64,224,0,192,224,0,64,96,128,192,96,128,64,224,128,192,224,128,0,32,64,128,32,64,0,160,64,128,160,64,0,32,192,128,32,192,0,160,192,128,160,192,64,32,64,192,32,64,64,160,64,192,160,64,64,32,192,192,32,192,64,160,192,192,160,192,0,96,64,128,96,64,0,224,64,128,224,64,0,96,192,128,96,192,0,224,192,128,224,192,64,96,64,192,96,64,64,224,64,192,224,64,64,96,192,192,96,192,64,224,192,192,224,192,32,32,0,160,32,0,32,160,0,160,160,0,32,32,128,160,32,128,32,160,128,160,160,128,96,32,0,224,32,0,96,160,0,224,160,0,96,32,128,224,32,128,96,160,128,224,160,128,32,96,0,160,96,0,32,224,0,160,224,0,32,96,128,160,96,128,32,224,128,160,224,128,96,96,0,224,96,0,96,224,0,224,224,0,96,96,128,224,96,128,96,224,128,224,224,128,32,32,64,160,32,64,32,160,64,160,160,64,32,32,192,160,32,192,32,160,192,160,160,192,96,32,64,224,32,64,96,160,64,224,160,64,96,32,192,224,32,192,96,160,192,224,160,192,32,96,64,160,96,64,32,224,64,160,224,64,32,96,192,160,96,192,32,224,192,160,224,192,96,96,64,224,96,64,96,224,64,224,224,64,96,96,192,224,96,192,96,224,192,0,0,0]
encoding/utils/presets.py 0 → 100644
View file @ 2d21747a
"""Preset Transforms for Demos"""
from PIL import Image
import numpy as np
import torch
import torchvision.transforms as transform
__all__ = ['load_image', 'subtract_imagenet_mean_batch']
input_transform = transform.Compose([
transform.ToTensor(),
transform.Normalize([.485, .456, .406], [.229, .224, .225])])
def load_image(filename, size=None, scale=None, keep_asp=True):
"""Load the image for demos"""
img = Image.open(filename).convert('RGB')
if size is not None:
if keep_asp:
size2 = int(size * 1.0 / img.size[0] * img.size[1])
img = img.resize((size, size2), Image.ANTIALIAS)
else:
img = img.resize((size, size), Image.ANTIALIAS)
elif scale is not None:
img = img.resize((int(img.size[0] / scale), int(img.size[1] / scale)), Image.ANTIALIAS)
img = input_transform(img)
return img
encoding/utils/train_helper.py 0 → 100644
View file @ 2d21747a
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
## Created by: Hang Zhang
## ECE Department, Rutgers University
## Email: zhang.hang@rutgers.edu
## Copyright (c) 2017
##
## This source code is licensed under the MIT-style license found in the
## LICENSE file in the root directory of this source tree
##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
import torch
def get_selabel_vector(target, nclass):
"""Get SE-Loss Label in a batch
Args:
predict: input 4D tensor
target: label 3D tensor (BxHxW)
nclass: number of categories (int)
Output:
2D tensor (BxnClass)
"""
batch = target.size(0)
tvect = torch.zeros(batch, nclass)
for i in range(batch):
hist = torch.histc(target[i].data.float(),
bins=nclass, min=0,
max=nclass-1)
vect = hist>0
tvect[i] = vect
return tvect
scripts/prepare_ade20k.py 0 → 100644
View file @ 2d21747a
"""Prepare ADE20K dataset"""
import os
import shutil
import argparse
import zipfile
from encoding.utils import download, mkdir
_TARGET_DIR = os.path.expanduser('~/.encoding/data')
def parse_args():
parser = argparse.ArgumentParser(
description='Initialize ADE20K dataset.',
epilog='Example: python prepare_ade20k.py',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--download-dir', default=None, help='dataset directory on disk')
args = parser.parse_args()
return args
def download_ade(path, overwrite=False):
_AUG_DOWNLOAD_URLS = [
('http://data.csail.mit.edu/places/ADEchallenge/ADEChallengeData2016.zip', '219e1696abb36c8ba3a3afe7fb2f4b4606a897c7'),
('http://data.csail.mit.edu/places/ADEchallenge/release_test.zip', 'e05747892219d10e9243933371a497e905a4860c'),]
download_dir = os.path.join(path, 'downloads')
mkdir(download_dir)
for url, checksum in _AUG_DOWNLOAD_URLS:
filename = download(url, path=download_dir, overwrite=overwrite, sha1_hash=checksum)
# extract
with zipfile.ZipFile(filename,"r") as zip_ref:
zip_ref.extractall(path=path)
if __name__ == '__main__':
args = parse_args()
mkdir(os.path.expanduser('~/.encoding/data'))
if args.download_dir is not None:
if os.path.isdir(_TARGET_DIR):
os.remove(_TARGET_DIR)
# make symlink
os.symlink(args.download_dir, _TARGET_DIR)
else:
download_ade(_TARGET_DIR, overwrite=False)
scripts/prepare_pascal.py 0 → 100644
View file @ 2d21747a
"""Prepare PASCAL VOC datasets"""
import os
import shutil
import argparse
import tarfile
from encoding.utils import download, mkdir
_TARGET_DIR = os.path.expanduser('~/.encoding/data')
def parse_args():
parser = argparse.ArgumentParser(
description='Initialize PASCAL VOC dataset.',
epilog='Example: python prepare_pascal.py',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--download-dir', type=str, default=None, help='dataset directory on disk')
parser.add_argument('--no-download', action='store_true', help='disable automatic download if set')
parser.add_argument('--overwrite', action='store_true', help='overwrite downloaded files if set, in case they are corrputed')
args = parser.parse_args()
return args
def download_voc(path, overwrite=False):
_DOWNLOAD_URLS = [
('http://host.robots.ox.ac.uk/pascal/VOC/voc2012/VOCtrainval_11-May-2012.tar',
'4e443f8a2eca6b1dac8a6c57641b67dd40621a49')]
download_dir = os.path.join(path, 'downloads')
mkdir(download_dir)
for url, checksum in _DOWNLOAD_URLS:
filename = download(url, path=download_dir, overwrite=overwrite, sha1_hash=checksum)
# extract
with tarfile.open(filename) as tar:
tar.extractall(path=path)
def download_aug(path, overwrite=False):
_AUG_DOWNLOAD_URLS = [
('http://www.eecs.berkeley.edu/Research/Projects/CS/vision/grouping/semantic_contours/benchmark.tgz', '7129e0a480c2d6afb02b517bb18ac54283bfaa35')]
download_dir = os.path.join(path, 'downloads')
mkdir(download_dir)
for url, checksum in _AUG_DOWNLOAD_URLS:
filename = download(url, path=download_dir, overwrite=overwrite, sha1_hash=checksum)
# extract
with tarfile.open(filename) as tar:
tar.extractall(path=path)
shutil.move(os.path.join(path, 'benchmark_RELEASE'),
os.path.join(path, 'VOCaug'))
filenames = ['VOCaug/dataset/train.txt', 'VOCaug/dataset/val.txt']
# generate trainval.txt
with open(os.path.join(path, 'VOCaug/dataset/trainval.txt'), 'w') as outfile:
for fname in filenames:
fname = os.path.join(path, fname)
with open(fname) as infile:
for line in infile:
outfile.write(line)
if __name__ == '__main__':
args = parse_args()
mkdir(os.path.expanduser('~/.encoding/datasets'))
if args.download_dir is not None:
if os.path.isdir(_TARGET_DIR):
os.remove(_TARGET_DIR)
os.symlink(args.download_dir, _TARGET_DIR)
else:
download_voc(_TARGET_DIR, overwrite=False)
download_aug(_TARGET_DIR, overwrite=False)
scripts/prepare_pcontext.py 0 → 100644
View file @ 2d21747a
"""Prepare PASCAL Context dataset"""
import os
import shutil
import argparse
import tarfile
from encoding.utils import download, mkdir
_TARGET_DIR = os.path.expanduser('~/.encoding/data')
PASD_URL="https://codalabuser.blob.core.windows.net/public/%s"
def parse_args():
parser = argparse.ArgumentParser(
description='Initialize PASCAL Context dataset.',
epilog='Example: python prepare_pcontext.py',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--download-dir', default=None, help='dataset directory on disk')
args = parser.parse_args()
return args
def download_ade(path, overwrite=False):
_AUG_DOWNLOAD_URLS = [
('http://host.robots.ox.ac.uk/pascal/VOC/voc2010/VOCtrainval_03-May-2010.tar', 'bf9985e9f2b064752bf6bd654d89f017c76c395a'),
('https://codalabuser.blob.core.windows.net/public/trainval_merged.json', '169325d9f7e9047537fedca7b04de4dddf10b881')]
download_dir = os.path.join(path, 'downloads')
mkdir(download_dir)
for url, checksum in _AUG_DOWNLOAD_URLS:
filename = download(url, path=download_dir, overwrite=overwrite, sha1_hash=checksum)
# extract
if os.path.splitext(filename)[1] == '.tar':
with tarfile.open(filename) as tar:
tar.extractall(path=path)
else:
shutil.move(filename, os.path.join(path, 'VOCdevkit/VOC2010/'+os.path.basename(filename)))
if __name__ == '__main__':
args = parse_args()
mkdir(os.path.expanduser('~/.encoding/data'))
if args.download_dir is not None:
if os.path.isdir(_TARGET_DIR):
os.remove(_TARGET_DIR)
# make symlink
os.symlink(args.download_dir, _TARGET_DIR)
else:
download_ade(_TARGET_DIR, overwrite=False)
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