fiftyone.utils.cityscapes

module documentation

(source)

Utilities for working with the Cityscapes dataset.

Function	`parse_cityscapes_dataset`	Parses the Cityscapes archive(s) in the specified directory and writes the requested splits in subdirectories of `dataset_dir` in `fiftyone.types.FiftyOneDataset` format.
Variable	`logger`	Undocumented
Function	`_export_split`	Undocumented
Function	`_extract_coarse_annos`	Undocumented
Function	`_extract_fine_annos`	Undocumented
Function	`_extract_images`	Undocumented
Function	`_extract_person_annos`	Undocumented
Function	`_parse_bbox_file`	Undocumented
Function	`_parse_coarse_annos`	Undocumented
Function	`_parse_fine_annos`	Undocumented
Function	`_parse_images`	Undocumented
Function	`_parse_person_annos`	Undocumented
Function	`_parse_polygon_annos`	Undocumented
Function	`_parse_polygons_file`	Undocumented
Function	`_parse_source_dir`	Undocumented
Function	`_parse_split`	Undocumented
Function	`_raise_cityscapes_error`	Undocumented
Constant	`_COARSE_ANNOS_ZIP`	Undocumented
Constant	`_FINE_ANNOS_ZIP`	Undocumented
Constant	`_IMAGES_ZIP`	Undocumented
Constant	`_PERSON_ANNOS_ZIP`	Undocumented

def parse_cityscapes_dataset(source_dir, dataset_dir, scratch_dir, splits, fine_annos=None, coarse_annos=None, person_annos=None): (source) ¶

Parses the Cityscapes archive(s) in the specified directory and writes the requested splits in subdirectories of dataset_dir in fiftyone.types.FiftyOneDataset format.

The archives must have been manually downloaded into the directory before this method is called.

The source_dir should contain the following files:

source_dir/
    leftImg8bit_trainvaltest.zip
    gtFine_trainvaltest.zip             # optional
    gtCoarse.zip                        # optional
    gtBbox_cityPersons_trainval.zip     # optional

Parameters
source_dir	the directory continaining the manually downloaded Cityscapes files
dataset_dir	the directory in which to build the output dataset
scratch_dir	a scratch directory to use for temporary files
splits	a list of splits to parse. Supported values are `(train, test, validation)`
fine_annos:`None`	whether to load the fine annotations (True), or not (False), or only if the ZIP file exists (None)
coarse_annos:`None`	whether to load the coarse annotations (True), or not (False), or only if the ZIP file exists (None)
person_annos:`None`	whether to load the personn detections (True), or not (False), or only if the ZIP file exists (None)
Raises
`OSError`	if any required source files are not present

logger = (source) ¶

Undocumented

def _export_split(split, split_dir, images_dir, fine_annos_dir, coarse_annos_dir, person_annos_dir): (source) ¶

Undocumented

def _extract_coarse_annos(coarse_annos_zip_path, scratch_dir): (source) ¶

Undocumented

def _extract_fine_annos(fine_annos_zip_path, scratch_dir): (source) ¶

Undocumented

def _extract_images(images_zip_path, scratch_dir): (source) ¶

Undocumented

def _extract_person_annos(person_annos_zip_path, scratch_dir): (source) ¶

Undocumented

def _parse_bbox_file(json_path): (source) ¶

Undocumented

def _parse_coarse_annos(coarse_annos_dir, split): (source) ¶

Undocumented

def _parse_fine_annos(fine_annos_dir, split): (source) ¶

Undocumented

def _parse_images(images_dir, split): (source) ¶

Undocumented

def _parse_person_annos(person_annos_dir, split): (source) ¶

Undocumented

def _parse_polygon_annos(glob_patt, split, anno_type, suffix): (source) ¶

Undocumented

def _parse_polygons_file(json_path): (source) ¶

Undocumented

def _parse_source_dir(source_dir, fine_annos, coarse_annos, person_annos): (source) ¶

Undocumented

def _parse_split(split): (source) ¶

Undocumented

def _raise_cityscapes_error(msg): (source) ¶

Undocumented

_COARSE_ANNOS_ZIP: str = (source) ¶

Undocumented

Value

'gtCoarse.zip'

_FINE_ANNOS_ZIP: str = (source) ¶

Undocumented

Value

'gtFine_trainvaltest.zip'

_IMAGES_ZIP: str = (source) ¶

Undocumented

Value

'leftImg8bit_trainvaltest.zip'

_PERSON_ANNOS_ZIP: str = (source) ¶

Undocumented

Value

'gtBbox_cityPersons_trainval.zip'