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  • 大小: 3.56MB
    文件類型: .zip
    金幣: 2
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    發(fā)布日期: 2023-11-18
  • 語言: Python
  • 標(biāo)簽:

資源簡介

subpixel:利用Tensorflow的一個子像素卷積神經(jīng)網(wǎng)絡(luò)

資源截圖

代碼片段和文件信息

“““
Modification?of?https://github.com/stanfordnlp/treelstm/blob/master/scripts/download.py

Downloads?the?following:
-?Celeb-A?dataset
-?LSUN?dataset
-?MNIST?dataset
“““

from?__future__?import?print_function
import?os
import?sys
import?gzip
import?json
import?shutil
import?zipfile
import?argparse
import?subprocess
from?six.moves?import?urllib

parser?=?argparse.ArgumentParser(description=‘Download?dataset?for?DCGAN.‘)
parser.add_argument(‘--datasets‘?metavar=‘N‘?type=str?nargs=‘+‘
???????????????????help=‘name?of?dataset?to?download?[celebA?lusn?mnist]‘)

def?download(url?dirpath):
????filename?=?url.split(‘/‘)[-1]
????filepath?=?os.path.join(dirpath?filename)
????u?=?urllib.request.urlopen(url)
????f?=?open(filepath?‘wb‘)
????filesize?=?int(u.headers[“Content-Length“])
????print(“Downloading:?%s?Bytes:?%s“?%?(filename?filesize))

????downloaded?=?0
????block_sz?=?8192
????status_width?=?70
????while?True:
????????buf?=?u.read(block_sz)
????????if?not?buf:
????????????print(‘‘)
????????????break
????????else:
????????????print(‘‘?end=‘\r‘)
????????downloaded?+=?len(buf)
????????f.write(buf)
????????status?=?((“[%-“?+?str(status_width?+?1)?+?“s]?%3.2f%%“)?%
????????????(‘=‘?*?int(float(downloaded)?/?filesize?*?status_width)?+?‘>‘?downloaded?*?100.?/?filesize))
????????print(status?end=‘‘)
????????sys.stdout.flush()
????f.close()
????return?filepath

def?unzip(filepath):
????print(“Extracting:?“?+?filepath)
????dirpath?=?os.path.dirname(filepath)
????with?zipfile.ZipFile(filepath)?as?zf:
????????zf.extractall(dirpath)
????os.remove(filepath)

def?download_celeb_a(dirpath):
????NUM_EXAMPLES?=?202599
????TRAIN_STOP?=?162770
????VALID_STOP?=?182637
????data_dir?=?‘celebA‘
????if?os.path.exists(os.path.join(dirpath?data_dir)):
????????print(‘Found?Celeb-A?-?skip‘)
????????return
????url?=?‘https://www.dropbox.com/sh/8oqt9vytwxb3s4r/AADIKlz8PR9zr6Y20qbkunrba/Img/img_align_celeba.zip?dl=1&pv=1‘
????filepath?=?download(url?dirpath)
????zip_dir?=?‘‘
????with?zipfile.ZipFile(filepath)?as?zf:
????????zip_dir?=?zf.namelist()[0]
????????zf.extractall(dirpath)
????os.remove(filepath)

????#?now?split?data?into?train/valid/test
????train_dir?=?os.path.join(dirpath?zip_dir?‘train‘)
????valid_dir?=?os.path.join(dirpath?zip_dir?‘valid‘)
????test_dir?=?os.path.join(dirpath?zip_dir?‘test‘)
????if?not?os.path.exists(train_dir):
????????os.makedirs(train_dir)
????if?not?os.path.exists(valid_dir):
????????os.makedirs(valid_dir)
????if?not?os.path.exists(test_dir):
????????os.makedirs(test_dir)
????zip_path?=?os.path.join(dirpath?zip_dir)
????for?i?in?range(NUM_EXAMPLES):
????????image_filename?=?“{:06d}.jpg“.format(i+1)
????????candidate_file?=?os.path.join(zip_path?image_filename)
????????if?os.path.exists(candidate_file):
????????????if?i?????????????????dest_dir?=?train_dir
????????????elif?i?????????????????dest_dir?=?valid_dir
????????????else:
????????????????dest_dir?=?test_dir
????????????dest_file?=?os.path.j

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-09-26?17:12??subpixel-master\
?????文件????????1045??2017-09-26?17:12??subpixel-master\.gitignore
?????文件????????1078??2017-09-26?17:12??subpixel-master\LICENSE
?????文件????????8882??2017-09-26?17:12??subpixel-master\README.md
?????目錄???????????0??2017-09-26?17:12??subpixel-master\docker\
?????文件????????1303??2017-09-26?17:12??subpixel-master\docker\Dockerfile
?????文件????????5565??2017-09-26?17:12??subpixel-master\download.py
?????目錄???????????0??2017-09-26?17:12??subpixel-master\images\
?????文件???????29359??2017-09-26?17:12??subpixel-master\images\input_detail.png
?????文件??????437539??2017-09-26?17:12??subpixel-master\images\lowres_input.png
?????文件??????402972??2017-09-26?17:12??subpixel-master\images\more_examples.png
?????文件???????27698??2017-09-26?17:12??subpixel-master\images\no_padding_no_strides.gif
?????文件??????203725??2017-09-26?17:12??subpixel-master\images\padding_strides_transposed.gif
?????文件???????21285??2017-09-26?17:12??subpixel-master\images\ps_eq.png
?????文件??????363275??2017-09-26?17:12??subpixel-master\images\spcnn_diagram.png
?????文件?????1167559??2017-09-26?17:12??subpixel-master\images\superres_epoch0.png
?????文件???????69257??2017-09-26?17:12??subpixel-master\images\superres_epoch0_detail.png
?????文件??????919301??2017-09-26?17:12??subpixel-master\images\superres_epoch6.png
?????文件???????72255??2017-09-26?17:12??subpixel-master\images\superres_epoch6_detail.png
?????文件????????5624??2017-09-26?17:12??subpixel-master\keras_subpixel.py
?????文件????????2617??2017-09-26?17:12??subpixel-master\main.py
?????文件????????8009??2017-09-26?17:12??subpixel-master\model.py
?????文件????????5031??2017-09-26?17:12??subpixel-master\ops.py
?????文件???????56315??2017-09-26?17:12??subpixel-master\ponynet.ipynb
?????文件????????1410??2017-09-26?17:12??subpixel-master\subpixel.py
?????文件????????7007??2017-09-26?17:12??subpixel-master\utils.py

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