forked from PulseFocusPlatform/PulseFocusPlatform
302 lines
11 KiB
Python
302 lines
11 KiB
Python
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import os
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import sys
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import json
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import paddle
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import numpy as np
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from .map_utils import prune_zero_padding, DetectionMAP
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from .coco_utils import get_infer_results, cocoapi_eval
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from .widerface_utils import face_eval_run
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from ppdet.data.source.category import get_categories
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from ppdet.utils.logger import setup_logger
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logger = setup_logger(__name__)
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__all__ = [
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'Metric', 'COCOMetric', 'VOCMetric', 'WiderFaceMetric', 'get_infer_results'
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]
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COCO_SIGMAS = np.array([
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.26, .25, .25, .35, .35, .79, .79, .72, .72, .62, .62, 1.07, 1.07, .87, .87,
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.89, .89
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]) / 10.0
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CROWD_SIGMAS = np.array(
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[.79, .79, .72, .72, .62, .62, 1.07, 1.07, .87, .87, .89, .89, .79,
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.79]) / 10.0
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class Metric(paddle.metric.Metric):
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def name(self):
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return self.__class__.__name__
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def reset(self):
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pass
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def accumulate(self):
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pass
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# paddle.metric.Metric defined :metch:`update`, :meth:`accumulate`
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# :metch:`reset`, in ppdet, we also need following 2 methods:
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# abstract method for logging metric results
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def log(self):
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pass
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# abstract method for getting metric results
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def get_results(self):
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pass
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class COCOMetric(Metric):
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def __init__(self, anno_file, **kwargs):
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assert os.path.isfile(anno_file), \
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"anno_file {} not a file".format(anno_file)
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self.anno_file = anno_file
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self.clsid2catid = kwargs.get('clsid2catid', None)
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if self.clsid2catid is None:
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self.clsid2catid, _ = get_categories('COCO', anno_file)
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self.classwise = kwargs.get('classwise', False)
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self.output_eval = kwargs.get('output_eval', None)
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# TODO: bias should be unified
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self.bias = kwargs.get('bias', 0)
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self.save_prediction_only = kwargs.get('save_prediction_only', False)
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self.iou_type = kwargs.get('IouType', 'bbox')
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self.reset()
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def reset(self):
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# only bbox and mask evaluation support currently
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self.results = {'bbox': [], 'mask': [], 'segm': [], 'keypoint': []}
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self.eval_results = {}
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def update(self, inputs, outputs):
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outs = {}
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# outputs Tensor -> numpy.ndarray
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for k, v in outputs.items():
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outs[k] = v.numpy() if isinstance(v, paddle.Tensor) else v
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im_id = inputs['im_id']
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outs['im_id'] = im_id.numpy() if isinstance(im_id,
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paddle.Tensor) else im_id
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infer_results = get_infer_results(
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outs, self.clsid2catid, bias=self.bias)
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self.results['bbox'] += infer_results[
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'bbox'] if 'bbox' in infer_results else []
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self.results['mask'] += infer_results[
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'mask'] if 'mask' in infer_results else []
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self.results['segm'] += infer_results[
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'segm'] if 'segm' in infer_results else []
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self.results['keypoint'] += infer_results[
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'keypoint'] if 'keypoint' in infer_results else []
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def accumulate(self):
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if len(self.results['bbox']) > 0:
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output = "bbox.json"
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if self.output_eval:
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output = os.path.join(self.output_eval, output)
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with open(output, 'w') as f:
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json.dump(self.results['bbox'], f)
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logger.info('The bbox result is saved to bbox.json.')
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if self.save_prediction_only:
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logger.info('The bbox result is saved to {} and do not '
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'evaluate the mAP.'.format(output))
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else:
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bbox_stats = cocoapi_eval(
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output,
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'bbox',
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anno_file=self.anno_file,
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classwise=self.classwise)
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self.eval_results['bbox'] = bbox_stats
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sys.stdout.flush()
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if len(self.results['mask']) > 0:
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output = "mask.json"
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if self.output_eval:
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output = os.path.join(self.output_eval, output)
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with open(output, 'w') as f:
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json.dump(self.results['mask'], f)
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logger.info('The mask result is saved to mask.json.')
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if self.save_prediction_only:
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logger.info('The mask result is saved to {} and do not '
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'evaluate the mAP.'.format(output))
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else:
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seg_stats = cocoapi_eval(
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output,
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'segm',
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anno_file=self.anno_file,
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classwise=self.classwise)
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self.eval_results['mask'] = seg_stats
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sys.stdout.flush()
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if len(self.results['segm']) > 0:
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output = "segm.json"
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if self.output_eval:
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output = os.path.join(self.output_eval, output)
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with open(output, 'w') as f:
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json.dump(self.results['segm'], f)
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logger.info('The segm result is saved to segm.json.')
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if self.save_prediction_only:
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logger.info('The segm result is saved to {} and do not '
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'evaluate the mAP.'.format(output))
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else:
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seg_stats = cocoapi_eval(
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output,
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'segm',
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anno_file=self.anno_file,
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classwise=self.classwise)
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self.eval_results['mask'] = seg_stats
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sys.stdout.flush()
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if len(self.results['keypoint']) > 0:
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output = "keypoint.json"
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if self.output_eval:
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output = os.path.join(self.output_eval, output)
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with open(output, 'w') as f:
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json.dump(self.results['keypoint'], f)
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logger.info('The keypoint result is saved to keypoint.json.')
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if self.save_prediction_only:
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logger.info('The keypoint result is saved to {} and do not '
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'evaluate the mAP.'.format(output))
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else:
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style = 'keypoints'
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use_area = True
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sigmas = COCO_SIGMAS
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if self.iou_type == 'keypoints_crowd':
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style = 'keypoints_crowd'
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use_area = False
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sigmas = CROWD_SIGMAS
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keypoint_stats = cocoapi_eval(
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output,
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style,
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anno_file=self.anno_file,
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classwise=self.classwise,
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sigmas=sigmas,
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use_area=use_area)
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self.eval_results['keypoint'] = keypoint_stats
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sys.stdout.flush()
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def log(self):
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pass
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def get_results(self):
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return self.eval_results
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class VOCMetric(Metric):
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def __init__(self,
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label_list,
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class_num=20,
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overlap_thresh=0.5,
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map_type='11point',
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is_bbox_normalized=False,
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evaluate_difficult=False,
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classwise=False):
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assert os.path.isfile(label_list), \
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"label_list {} not a file".format(label_list)
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self.clsid2catid, self.catid2name = get_categories('VOC', label_list)
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self.overlap_thresh = overlap_thresh
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self.map_type = map_type
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self.evaluate_difficult = evaluate_difficult
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self.detection_map = DetectionMAP(
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class_num=class_num,
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overlap_thresh=overlap_thresh,
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map_type=map_type,
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is_bbox_normalized=is_bbox_normalized,
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evaluate_difficult=evaluate_difficult,
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catid2name=self.catid2name,
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classwise=classwise)
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self.reset()
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def reset(self):
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self.detection_map.reset()
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def update(self, inputs, outputs):
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bbox_np = outputs['bbox'].numpy()
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bboxes = bbox_np[:, 2:]
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scores = bbox_np[:, 1]
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labels = bbox_np[:, 0]
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bbox_lengths = outputs['bbox_num'].numpy()
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if bboxes.shape == (1, 1) or bboxes is None:
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return
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gt_boxes = inputs['gt_bbox']
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gt_labels = inputs['gt_class']
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difficults = inputs['difficult'] if not self.evaluate_difficult \
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else None
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scale_factor = inputs['scale_factor'].numpy(
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) if 'scale_factor' in inputs else np.ones(
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(gt_boxes.shape[0], 2)).astype('float32')
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bbox_idx = 0
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for i in range(len(gt_boxes)):
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gt_box = gt_boxes[i].numpy()
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h, w = scale_factor[i]
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gt_box = gt_box / np.array([w, h, w, h])
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gt_label = gt_labels[i].numpy()
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difficult = None if difficults is None \
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else difficults[i].numpy()
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bbox_num = bbox_lengths[i]
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bbox = bboxes[bbox_idx:bbox_idx + bbox_num]
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score = scores[bbox_idx:bbox_idx + bbox_num]
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label = labels[bbox_idx:bbox_idx + bbox_num]
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gt_box, gt_label, difficult = prune_zero_padding(gt_box, gt_label,
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difficult)
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self.detection_map.update(bbox, score, label, gt_box, gt_label,
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difficult)
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bbox_idx += bbox_num
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def accumulate(self):
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logger.info("Accumulating evaluatation results...")
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self.detection_map.accumulate()
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def log(self):
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map_stat = 100. * self.detection_map.get_map()
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logger.info("mAP({:.2f}, {}) = {:.2f}%".format(self.overlap_thresh,
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self.map_type, map_stat))
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def get_results(self):
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return {'bbox': [self.detection_map.get_map()]}
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class WiderFaceMetric(Metric):
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def __init__(self, image_dir, anno_file, multi_scale=True):
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self.image_dir = image_dir
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self.anno_file = anno_file
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self.multi_scale = multi_scale
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self.clsid2catid, self.catid2name = get_categories('widerface')
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def update(self, model):
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face_eval_run(
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model,
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self.image_dir,
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self.anno_file,
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pred_dir='output/pred',
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eval_mode='widerface',
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multi_scale=self.multi_scale)
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