diff options
Diffstat (limited to 'utils/dataset.py')
| -rw-r--r-- | utils/dataset.py | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/utils/dataset.py b/utils/dataset.py index 387c211..41e2f1e 100644 --- a/utils/dataset.py +++ b/utils/dataset.py @@ -1,7 +1,7 @@ import os import random import re -from typing import Optional, NewType, Union +from typing import Optional, NewType, Union, List, Tuple, Set, Dict import numpy as np import torch @@ -11,9 +11,9 @@ from sklearn.preprocessing import LabelEncoder from torch.utils import data from tqdm import tqdm -ClipClasses = NewType('ClipClasses', set[str]) -ClipConditions = NewType('ClipConditions', set[str]) -ClipViews = NewType('ClipViews', set[str]) +ClipClasses = NewType('ClipClasses', Set[str]) +ClipConditions = NewType('ClipConditions', Set[str]) +ClipViews = NewType('ClipViews', Set[str]) class CASIAB(data.Dataset): @@ -27,11 +27,11 @@ class CASIAB(data.Dataset): num_sampled_frames: int = 30, truncate_threshold: int = 40, discard_threshold: int = 15, - selector: Optional[dict[ + selector: Optional[Dict[ str, Union[ClipClasses, ClipConditions, ClipViews] ]] = None, num_input_channels: int = 3, - frame_size: tuple[int, int] = (64, 32), + frame_size: Tuple[int, int] = (64, 32), cache_on: bool = False ): """ @@ -79,15 +79,15 @@ class CASIAB(data.Dataset): self.views: np.ndarray[np.str_] # Labels, classes, conditions and views in dataset, # set of three attributes above - self.metadata: dict[str, list[np.int64, str]] + self.metadata: Dict[str, List[np.int64, str]] # Dictionaries for indexing frames and frame names by clip name # and chip path when cache is on - self._cached_clips_frame_names: Optional[dict[str, list[str]]] = None - self._cached_clips: Optional[dict[str, torch.Tensor]] = None + self._cached_clips_frame_names: Optional[Dict[str, List[str]]] = None + self._cached_clips: Optional[Dict[str, torch.Tensor]] = None # Video clip directory names - self._clip_names: list[str] = [] + self._clip_names: List[str] = [] clip_names = sorted(os.listdir(self._root_dir)) if self._is_train: @@ -174,7 +174,7 @@ class CASIAB(data.Dataset): def __getitem__( self, index: int - ) -> dict[str, Union[np.int64, str, torch.Tensor]]: + ) -> Dict[str, Union[np.int64, str, torch.Tensor]]: label = self.labels[index] condition = self.conditions[index] view = self.views[index] @@ -222,8 +222,8 @@ class CASIAB(data.Dataset): def _load_cached_video( self, clip: torch.Tensor, - frame_names: list[str], - sampled_frame_names: list[str] + frame_names: List[str], + sampled_frame_names: List[str] ) -> torch.Tensor: # Mask the original clip when it is long enough if len(frame_names) >= self._num_sampled_frames: @@ -253,7 +253,7 @@ class CASIAB(data.Dataset): return clip def _sample_frames(self, clip_path: str, - is_caching: bool = False) -> list[str]: + is_caching: bool = False) -> List[str]: if self._cache_on: if is_caching: # Sort frame in advance for loading convenience |