53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
# ------------------------------------------------------------------------
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# Deformable DETR
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# Copyright (c) 2020 SenseTime. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 [see LICENSE for details]
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# ------------------------------------------------------------------------
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# Modified from DETR (https://github.com/facebookresearch/detr)
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# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
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# ------------------------------------------------------------------------
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import json
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import os
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import util.misc as utils
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try:
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from panopticapi.evaluation import pq_compute
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except ImportError:
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pass
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class PanopticEvaluator(object):
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def __init__(self, ann_file, ann_folder, output_dir="panoptic_eval"):
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self.gt_json = ann_file
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self.gt_folder = ann_folder
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if utils.is_main_process():
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if not os.path.exists(output_dir):
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os.mkdir(output_dir)
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self.output_dir = output_dir
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self.predictions = []
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def update(self, predictions):
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for p in predictions:
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with open(os.path.join(self.output_dir, p["file_name"]), "wb") as f:
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f.write(p.pop("png_string"))
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self.predictions += predictions
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def synchronize_between_processes(self):
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all_predictions = utils.all_gather(self.predictions)
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merged_predictions = []
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for p in all_predictions:
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merged_predictions += p
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self.predictions = merged_predictions
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def summarize(self):
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if utils.is_main_process():
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json_data = {"annotations": self.predictions}
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predictions_json = os.path.join(self.output_dir, "predictions.json")
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with open(predictions_json, "w") as f:
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f.write(json.dumps(json_data))
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return pq_compute(self.gt_json, predictions_json, gt_folder=self.gt_folder, pred_folder=self.output_dir)
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return None
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