93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
# Copyright (c) 2021 Binbin Zhang(binbzha@qq.com)
|
|
# Menglong Xu
|
|
#
|
|
# 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 argparse
|
|
import os
|
|
import numpy as np
|
|
import matplotlib.pyplot as plt
|
|
|
|
|
|
def load_stats_file(stats_file):
|
|
values = []
|
|
with open(stats_file, 'r', encoding='utf8') as fin:
|
|
for line in fin:
|
|
arr = line.strip().split()
|
|
threshold, fa_per_hour, frr = arr
|
|
values.append([float(fa_per_hour), float(frr) * 100])
|
|
values.reverse()
|
|
return np.array(values)
|
|
|
|
|
|
def plot_det_curve(
|
|
keywords,
|
|
stats_dir,
|
|
figure_file,
|
|
xlim,
|
|
x_step,
|
|
ylim,
|
|
y_step):
|
|
plt.figure(dpi=200)
|
|
plt.rcParams['xtick.direction'] = 'in'
|
|
plt.rcParams['ytick.direction'] = 'in'
|
|
plt.rcParams['font.size'] = 12
|
|
|
|
for index, keyword in enumerate(keywords):
|
|
stats_file = os.path.join(stats_dir, 'stats.' + str(index) + '.txt')
|
|
values = load_stats_file(stats_file)
|
|
plt.plot(values[:, 0], values[:, 1], label=keyword)
|
|
|
|
plt.xlim([0, xlim])
|
|
plt.ylim([0, ylim])
|
|
plt.xticks(range(0, xlim + x_step, x_step))
|
|
plt.yticks(range(0, ylim + y_step, y_step))
|
|
plt.xlabel('False Alarm Per Hour')
|
|
plt.ylabel('False Rejection Rate (\\%)')
|
|
plt.grid(linestyle='--')
|
|
plt.legend(loc='best', fontsize=16)
|
|
plt.savefig(figure_file)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
parser = argparse.ArgumentParser(description='plot det curve')
|
|
parser.add_argument(
|
|
'--keywords',
|
|
required=True,
|
|
help=('keywords, must in the same order as in "dict/words.txt", ' +
|
|
'separated by ", "')
|
|
)
|
|
parser.add_argument('--stats_dir', required=True, help='dir of stats files')
|
|
parser.add_argument(
|
|
'--figure_file',
|
|
required=True,
|
|
help='path to save det curve')
|
|
parser.add_argument('--xlim', required=False, default='5', help='range of X-axis')
|
|
parser.add_argument('--x_step', required=False, default='1', help='step of X-axis')
|
|
parser.add_argument('--ylim', required=False, default='35', help='range of Y-axis')
|
|
parser.add_argument('--y_step', required=False, default='5', help='step of Y-axis')
|
|
|
|
args = parser.parse_args()
|
|
|
|
keywords = args.keywords.strip().split(', ')
|
|
xlim, x_step, ylim, y_step = map(
|
|
int, [args.xlim, args.x_step, args.ylim, args.y_step])
|
|
plot_det_curve(
|
|
keywords,
|
|
args.stats_dir,
|
|
args.figure_file,
|
|
xlim,
|
|
x_step,
|
|
ylim,
|
|
y_step)
|