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ppocr/metrics/e2e_metric.py

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+# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+__all__ = ["E2EMetric"]
+
+from ppocr.utils.e2e_metric.Deteval import get_socre_A, get_socre_B, combine_results
+from ppocr.utils.e2e_utils.extract_textpoint_slow import get_dict
+
+
+class E2EMetric(object):
+    def __init__(
+        self,
+        mode,
+        gt_mat_dir,
+        character_dict_path,
+        main_indicator="f_score_e2e",
+        **kwargs,
+    ):
+        self.mode = mode
+        self.gt_mat_dir = gt_mat_dir
+        self.label_list = get_dict(character_dict_path)
+        self.max_index = len(self.label_list)
+        self.main_indicator = main_indicator
+        self.reset()
+
+    def __call__(self, preds, batch, **kwargs):
+        if self.mode == "A":
+            gt_polyons_batch = batch[2]
+            temp_gt_strs_batch = batch[3][0]
+            ignore_tags_batch = batch[4]
+            gt_strs_batch = []
+
+            for temp_list in temp_gt_strs_batch:
+                t = ""
+                for index in temp_list:
+                    if index < self.max_index:
+                        t += self.label_list[index]
+                gt_strs_batch.append(t)
+
+            for pred, gt_polyons, gt_strs, ignore_tags in zip(
+                [preds], gt_polyons_batch, [gt_strs_batch], ignore_tags_batch
+            ):
+                # prepare gt
+                gt_info_list = [
+                    {"points": gt_polyon, "text": gt_str, "ignore": ignore_tag}
+                    for gt_polyon, gt_str, ignore_tag in zip(
+                        gt_polyons, gt_strs, ignore_tags
+                    )
+                ]
+                # prepare det
+                e2e_info_list = [
+                    {"points": det_polyon, "texts": pred_str}
+                    for det_polyon, pred_str in zip(pred["points"], pred["texts"])
+                ]
+
+                result = get_socre_A(gt_info_list, e2e_info_list)
+                self.results.append(result)
+        else:
+            img_id = batch[5][0]
+            e2e_info_list = [
+                {"points": det_polyon, "texts": pred_str}
+                for det_polyon, pred_str in zip(preds["points"], preds["texts"])
+            ]
+            result = get_socre_B(self.gt_mat_dir, img_id, e2e_info_list)
+            self.results.append(result)
+
+    def get_metric(self):
+        metrics = combine_results(self.results)
+        self.reset()
+        return metrics
+
+    def reset(self):
+        self.results = []  # clear results