deep-person-reid/torchreid/datasets/sensereid.py

83 lines
2.7 KiB
Python

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
import glob
import re
import sys
import urllib
import tarfile
import zipfile
import os.path as osp
from scipy.io import loadmat
import numpy as np
import h5py
from scipy.misc import imsave
import copy
from .bases import BaseImageDataset
class SenseReID(BaseImageDataset):
"""
SenseReID
This dataset is used for test purpose only.
Reference:
Zhao et al. Spindle Net: Person Re-identification with Human Body
Region Guided Feature Decomposition and Fusion. CVPR 2017.
URL: https://drive.google.com/file/d/0B56OfSrVI8hubVJLTzkwV2VaOWM/view
Dataset statistics:
- train: 0 ids, 0 images
- query: 522 ids, 1040 images
- gallery: 1717 ids, 3388 images
"""
dataset_dir = 'sensereid'
def __init__(self, root='data', verbose=True, **kwargs):
super(SenseReID, self).__init__(root)
self.dataset_dir = osp.join(self.root, self.dataset_dir)
self.query_dir = osp.join(self.dataset_dir, 'SenseReID', 'test_probe')
self.gallery_dir = osp.join(self.dataset_dir, 'SenseReID', 'test_gallery')
self._check_before_run()
query = self._process_dir(self.query_dir)
gallery = self._process_dir(self.gallery_dir)
if verbose:
print('=> SenseReID loaded (test only)')
self.print_dataset_statistics(query, query, gallery)
self.train = copy.deepcopy(query) # only used to initialize trainloader
self.query = query
self.gallery = gallery
self.num_train_pids, self.num_train_imgs, self.num_train_cams = self.get_imagedata_info(self.train)
self.num_query_pids, self.num_query_imgs, self.num_query_cams = self.get_imagedata_info(self.query)
self.num_gallery_pids, self.num_gallery_imgs, self.num_gallery_cams = self.get_imagedata_info(self.gallery)
def _check_before_run(self):
"""Check if all files are available before going deeper"""
if not osp.exists(self.dataset_dir):
raise RuntimeError('"{}" is not available'.format(self.dataset_dir))
if not osp.exists(self.query_dir):
raise RuntimeError('"{}" is not available'.format(self.query_dir))
if not osp.exists(self.gallery_dir):
raise RuntimeError('"{}" is not available'.format(self.gallery_dir))
def _process_dir(self, dir_path):
img_paths = glob.glob(osp.join(dir_path, '*.jpg'))
dataset = []
for img_path in img_paths:
img_name = osp.splitext(osp.basename(img_path))[0]
pid, camid = img_name.split('_')
pid, camid = int(pid), int(camid)
dataset.append((img_path, pid, camid))
return dataset