PaddleClas/ppcls/utils/misc.py

156 lines
5.1 KiB
Python

# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
# 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.
import paddle
__all__ = ['AverageMeter']
class AverageMeter(object):
"""
Computes and stores the average and current value
Code was based on https://github.com/pytorch/examples/blob/master/imagenet/main.py
"""
def __init__(self, name='', fmt='f', postfix="", need_avg=True):
self.name = name
self.fmt = fmt
self.postfix = postfix
self.need_avg = need_avg
self.reset()
def reset(self):
""" reset """
self.val = 0
self.avg = 0
self.sum = 0
self.count = 0
def update(self, val, n=1):
""" update """
self.val = val
self.sum += val * n
self.count += n
self.avg = self.sum / self.count
@property
def avg_info(self):
if isinstance(self.avg, paddle.Tensor):
self.avg = float(self.avg)
return "{}: {:.5f}".format(self.name, self.avg)
@property
def total(self):
return '{self.name}_sum: {self.sum:{self.fmt}}{self.postfix}'.format(
self=self)
@property
def total_minute(self):
return '{self.name} {s:{self.fmt}}{self.postfix} min'.format(
s=self.sum / 60, self=self)
@property
def mean(self):
return '{self.name}: {self.avg:{self.fmt}}{self.postfix}'.format(
self=self) if self.need_avg else ''
@property
def value(self):
return '{self.name}: {self.val:{self.fmt}}{self.postfix}'.format(
self=self)
class AttrMeter(object):
"""
Computes and stores the average and current value
Code was based on https://github.com/pytorch/examples/blob/master/imagenet/main.py
"""
def __init__(self, threshold=0.5):
self.threshold = threshold
self.reset()
def reset(self):
self.gt_pos = 0
self.gt_neg = 0
self.true_pos = 0
self.true_neg = 0
self.false_pos = 0
self.false_neg = 0
self.gt_pos_ins = []
self.true_pos_ins = []
self.intersect_pos = []
self.union_pos = []
def update(self, metric_dict):
self.gt_pos += metric_dict['gt_pos']
self.gt_neg += metric_dict['gt_neg']
self.true_pos += metric_dict['true_pos']
self.true_neg += metric_dict['true_neg']
self.false_pos += metric_dict['false_pos']
self.false_neg += metric_dict['false_neg']
self.gt_pos_ins += metric_dict['gt_pos_ins'].tolist()
self.true_pos_ins += metric_dict['true_pos_ins'].tolist()
self.intersect_pos += metric_dict['intersect_pos'].tolist()
self.union_pos += metric_dict['union_pos'].tolist()
def res(self):
import numpy as np
eps = 1e-20
label_pos_recall = 1.0 * self.true_pos / (
self.gt_pos + eps) # true positive
label_neg_recall = 1.0 * self.true_neg / (
self.gt_neg + eps) # true negative
# mean accuracy
label_ma = (label_pos_recall + label_neg_recall) / 2
label_pos_recall = np.mean(label_pos_recall)
label_neg_recall = np.mean(label_neg_recall)
label_prec = (self.true_pos / (self.true_pos + self.false_pos + eps))
label_acc = (self.true_pos /
(self.true_pos + self.false_pos + self.false_neg + eps))
label_f1 = np.mean(2 * label_prec * label_pos_recall /
(label_prec + label_pos_recall + eps))
ma = (np.mean(label_ma))
self.gt_pos_ins = np.array(self.gt_pos_ins)
self.true_pos_ins = np.array(self.true_pos_ins)
self.intersect_pos = np.array(self.intersect_pos)
self.union_pos = np.array(self.union_pos)
instance_acc = self.intersect_pos / (self.union_pos + eps)
instance_prec = self.intersect_pos / (self.true_pos_ins + eps)
instance_recall = self.intersect_pos / (self.gt_pos_ins + eps)
instance_f1 = 2 * instance_prec * instance_recall / (
instance_prec + instance_recall + eps)
instance_acc = np.mean(instance_acc)
instance_prec = np.mean(instance_prec)
instance_recall = np.mean(instance_recall)
instance_f1 = 2 * instance_prec * instance_recall / (
instance_prec + instance_recall + eps)
instance_acc = np.mean(instance_acc)
instance_prec = np.mean(instance_prec)
instance_recall = np.mean(instance_recall)
instance_f1 = np.mean(instance_f1)
res = [
ma, label_f1, label_pos_recall, label_neg_recall, instance_f1,
instance_acc, instance_prec, instance_recall
]
return res