def main():
Settings.init()
init_gpus(Settings.gpu_ids)
cfg = load_config(Settings.conf)
model = ReidNet(cfg)
if len(Settings.gpu_ids.split(',')) > 1:
print('>>> Using multi-GPUs, enable DataParallel')
model = torch.nn.DataParallel(model)
print('>>> Using model weights: {}'.format(cfg.TEST.PRETRAINED_MODEL))
state = torch.load(cfg.TEST.PRETRAINED_MODEL)
# qnum = 3368
qnum = 1678 # query num
# qnum = 100 # query num
model.load_state_dict(state['model_state_dict'])
dataset = VeRi(root=cfg.DATASET.PATH,
mode='query') # total 1678 query samples
# dataset = Market1501(root=cfg.DATASET.PATH, mode='query') # 3368 (query)
random.shuffle(dataset.query)
dataset.query = dataset.query[:qnum] # choose only qnum samples
dataset = EvalDataset((256, 256), dataset, mode='query')
gallery_dataset = VeRi(root=cfg.DATASET.PATH, mode='gallery')
# gallery_dataset = Market1501(root=cfg.DATASET.PATH, mode='gallery')
gallery_dataset = EvalDataset((256, 256), gallery_dataset, mode='gallery')
dataloader = torch.utils.data.DataLoader(dataset,
batch_size=32,
shuffle=False,
num_workers=4)
gallery_loader = torch.utils.data.DataLoader(gallery_dataset,
batch_size=32,
shuffle=False,
num_workers=4)
evaluator = ReidEvaluator(cfg, num_query=qnum)
start_time = time.time()
res = inference_on_dataset(model, dataloader, evaluator, gallery_loader)
end_time = time.time()
# unpcaking
rank_n = [res['Rank-{}'.format(n)] for n in [1, 5, 10]]
mAP = res['mAP']
roc = [res['TPR@FPR={:.0e}'.format(fpr)] for fpr in [1e-4, 1e-3, 1e-2]]
summary(rank_n,
mAP,
roc,
dataset='VeRi',
num_query=qnum,
time_cons=(end_time - start_time))
for cfg in cfgs:
self.predictors.append(DefaultPredictor(cfg))
def run_on_loader(self, data_loader):
for batch in data_loader:
predictions = []
for predictor in self.predictors:
predictions.append(predictor(batch["images"]))
yield torch.cat(predictions, dim=-1), batch
if __name__ == "__main__":
args = get_parser().parse_args()
logger = setup_logger()
cfgs = []
for config_file in args.config_file:
cfg = setup_cfg(config_file, args.opts)
cfgs.append(cfg)
results = OrderedDict()
for dataset_name in cfgs[0].DATASETS.TESTS:
test_loader, num_query = build_reid_test_loader(cfgs[0], dataset_name)
evaluator = ReidEvaluator(cfgs[0], num_query)
feat_extract = FeatureExtraction(cfgs)
for (feat, batch) in tqdm.tqdm(feat_extract.run_on_loader(test_loader),
total=len(test_loader)):
evaluator.process(batch, feat)
result = evaluator.evaluate()
results[dataset_name] = result
print_csv_format(results)
def build_evaluator(cls, cfg, num_query, output_dir=None):
return ReidEvaluator(cfg, num_query, output_dir)
def build_evaluator(cls, cfg, dataset_name, output_dir=None):
data_loader, num_query = cls.build_test_loader(cfg, dataset_name)
return data_loader, ReidEvaluator(cfg, num_query, output_dir)
def build_evaluator(cls, cfg, num_query, output_folder=None):
if output_folder is None:
output_folder = os.path.join(cfg.OUTPUT_DIR, "inference")
return ReidEvaluator(cfg, num_query)
def build_evaluator(cls, test_loader, test_pair_file):
return ReidEvaluator(test_loader, test_pair_file)
def get_evaluator(cfg, dataset_name, output_dir=None):
data_loader, num_query = build_reid_test_loader(cfg,
dataset_name=dataset_name)
return data_loader, ReidEvaluator(cfg, num_query, output_dir)
