98 lines
3.8 KiB
Python
98 lines
3.8 KiB
Python
'''
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@ Date: 2021-04-15 16:57:53
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@ Author: Qing Shuai
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@ LastEditors: Qing Shuai
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@ LastEditTime: 2021-10-15 16:43:12
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@ FilePath: /EasyMocap/easymocap/annotator/basic_dataset.py
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'''
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from os.path import join
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import os
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import shutil
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from .file_utils import getFileList
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class ImageFolder:
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def __init__(self, path, sub=None, image='images', annot='annots',
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no_annot=False, share_annot=False, ext='.jpg', remove_tmp=True,
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max_per_folder=-1) -> None:
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self.root = path
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self.image = image
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self.annot = annot
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self.image_root = join(path, self.image)
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self.annot_root = join(path, self.annot)
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if not os.path.exists(self.annot_root) or no_annot:
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no_annot = True
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self.share_annot = share_annot
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self.annot_root_tmp = join(path, self.annot + '_tmp')
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if os.path.exists(self.annot_root_tmp) and remove_tmp:
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shutil.rmtree(self.annot_root_tmp)
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if sub is None:
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self.imgnames = getFileList(self.image_root, ext=ext, max=max_per_folder)
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if not no_annot:
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self.annnames = getFileList(self.annot_root, ext='.json')
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else:
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self.imgnames = getFileList(join(self.image_root, sub), ext=ext)
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self.imgnames = [join(sub, name) for name in self.imgnames]
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if not no_annot:
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self.annnames = getFileList(join(self.annot_root, sub), ext='.json')
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self.annnames = [join(sub, name) for name in self.annnames]
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if len(self.annnames) != len(self.imgnames) and share_annot:
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if len(self.annnames) == 1:
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self.annnames = [self.annnames[0] for _ in range(len(self.imgnames))]
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else:
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length = min(len(self.imgnames), len(self.annnames))
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self.imgnames = self.imgnames[:length]
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self.annnames = self.annnames[:length]
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self.isTmp = True
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self.no_annot = no_annot
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def __getitem__(self, index):
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imgname = join(self.image_root, self.imgnames[index])
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if self.no_annot:
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annname = None
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else:
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if self.isTmp:
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annname = join(self.annot_root_tmp, self.annnames[index])
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else:
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annname = join(self.annot_root, self.annnames[index])
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return imgname, annname
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def __len__(self):
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return len(self.imgnames)
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def __str__(self) -> str:
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return '{}: {} images'.format(self.root, len(self))
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class MVBase:
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def __init__(self, path, subs, annot='annots') -> None:
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self.root = path
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self.subs = subs
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self.image = 'images'
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self.annot = annot
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self.image_root = join(path, self.image)
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self.annot_root = join(path, self.annot)
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self.annot_root_tmp = join(path, self.annot + '_tmp')
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assert len(subs) > 0, subs
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self.imgnames, self.annnames = {}, {}
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for sub in subs:
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imgnames = getFileList(join(self.image_root, sub), ext='.jpg')
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annnames = getFileList(join(self.annot_root, sub), ext='.json')
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imgnames = [join(sub, name) for name in imgnames]
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annnames = [join(sub, name) for name in annnames]
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self.imgnames[sub] = imgnames
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self.annnames[sub] = annnames
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self.isTmp = True
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def __getitem__(self, index):
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imgnames, annnames = {}, {}
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for sub in self.subs:
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imgnames[sub] = join(self.image_root, self.imgnames[sub][index])
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if self.isTmp:
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annname = join(self.annot_root_tmp, self.annnames[sub][index])
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else:
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annname = join(self.annot_root, self.annnames[sub][index])
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annnames[sub] = annname
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return imgnames, annnames
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def __len__(self):
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return len(self.imgnames[self.subs[0]]) |