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summary.py
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summary.py
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#! /usr/bin/python
# -*- coding: utf8 -*-
'''
https://github.com/akaraspt/deepsleepnet
Copyright 2017 Akara Supratak and Hao Dong. All rights reserved.
'''
import argparse
import os
import re
import numpy as np
from sklearn.metrics import cohen_kappa_score
from sklearn.metrics import confusion_matrix, f1_score
from ccrrsleep.sleep_stage import W, N1, N2, N3, REM
def print_performance(cm):
tp = np.diagonal(cm).astype(np.float)
tpfp = np.sum(cm, axis=0).astype(np.float) # sum of each col
tpfn = np.sum(cm, axis=1).astype(np.float) # sum of each row
acc = np.sum(tp) / np.sum(cm)
precision = tp / tpfp
recall = tp / tpfn
f1 = (2 * precision * recall) / (precision + recall)
mf1 = np.mean(f1)
print("Sample: {}".format(np.sum(cm)))
print("W: {}".format(tpfn[W]))
print("N1: {}".format(tpfn[N1]))
print("N2: {}".format(tpfn[N2]))
print("N3: {}".format(tpfn[N3]))
print("REM: {}".format(tpfn[REM]))
print("Confusion matrix:")
print(cm)
print("Precision: {}".format(precision))
print("Recall: {}".format(recall))
print("F1: {}".format(f1))
print("Overall accuracy: {}".format(acc))
print("Macro-F1 accuracy: {}".format(mf1))
def perf_overall(data_dir):
# Remove non-output files, and perform ascending sort
allfiles = os.listdir(data_dir)
outputfiles = []
for idx, f in enumerate(allfiles):
if re.match("^output_.+\d+\.npz", f):
outputfiles.append(os.path.join(data_dir, f))
outputfiles.sort()
y_true = []
y_pred = []
for fpath in outputfiles:
with np.load(fpath,allow_pickle=True) as f:
print((f["y_true"].shape))
if len(f["y_true"].shape) == 1:
if len(f["y_true"]) < 10:
f_y_true = np.hstack(f["y_true"])
f_y_pred = np.hstack(f["y_pred"])
else:
f_y_true = f["y_true"]
f_y_pred = f["y_pred"]
else:
f_y_true = f["y_true"].flatten()
f_y_pred = f["y_pred"].flatten()
y_true.extend(f_y_true)
y_pred.extend(f_y_pred)
print("File: {}".format(fpath))
cm = confusion_matrix(f_y_true, f_y_pred, labels=[0, 1, 2, 3, 4])
print_performance(cm)
print(" ")
y_true = np.asarray(y_true)
y_pred = np.asarray(y_pred)
cm = confusion_matrix(y_true, y_pred)
acc = np.mean(y_true == y_pred)
mf1 = f1_score(y_true, y_pred, average="macro")
total = np.sum(cm, axis=1)
print("CCRRSleepNet (current)")
print_performance(cm)
print("Cohen's kappa score: {}".format(cohen_kappa_score(y_true, y_pred)))
def main():
parser = argparse.ArgumentParser()
parser.add_argument("--data_dir", type=str, default="output",
help="Directory where to load prediction outputs")
args = parser.parse_args()
if args.data_dir is not None:
perf_overall(data_dir=args.data_dir)
sharman2017 = np.asarray([
[7944, 11, 12, 6, 30],
[183, 113, 123, 4, 181],
[48, 4, 3334, 149, 86],
[13, 0, 198, 1088, 0],
[52, 11, 207, 0, 1339]
], dtype=np.int)
hassan2017 = np.asarray([
[3971, 28, 6, 0, 23],
[53, 117, 43, 0, 89],
[70, 5, 1641, 54, 41],
[33, 0, 104, 513, 0],
[41, 24, 84, 1, 655]
], dtype=np.int)
tsinalis2016 = np.asarray([
[2744, 441, 34, 23, 138],
[472, 1654, 262, 8, 366],
[621, 1270, 13696, 1231, 760],
[143, 7, 469, 4966, 6],
[308, 899, 340, 0, 6164]
], dtype=np.int)
dong2016 = np.asarray([
[5022, 577, 188, 19, 395],
[407, 2468, 989, 4, 965],
[130, 630, 27254, 1021, 763],
[13, 0, 1236, 6399, 5],
[103, 258, 609, 0, 9611]
], dtype=np.int)
hsu2013 = np.asarray([
[34, 2, 7, 2, 3],
[0, 20, 23, 3, 9],
[3, 4, 574, 8, 1],
[0, 0, 3, 26, 0],
[3, 5, 13, 4, 213]
], dtype=np.int)
liang2012 = np.asarray([
[195, 24, 4, 0, 3],
[61, 72, 48, 3, 69],
[12, 103, 4078, 216, 220],
[1, 4, 196, 1309, 0],
[8, 8, 22, 6, 1818]
], dtype=np.int)
fraiwan2012 = np.asarray([
[2407, 89, 111, 38, 40],
[56, 185, 52, 8, 48],
[69, 85, 1897, 174, 131],
[14, 9, 86, 482, 3],
[33, 60, 92, 3, 719]
], dtype=np.int)
# print(" ")
# print("Sharma (2017)")
# print_performance(sharman2017)
# print(" ")
# print("Hassan (2017)")
# print_performance(hassan2017)
# print(" ")
# print("Tsinalis (2016)")
# print_performance(tsinalis2016)
# print(" ")
# print("Dong (2016)")
# print_performance(dong2016)
# print(" ")
# print("Hsu (2013)")
# print_performance(hsu2013)
# print(" ")
# print("Liang (2012)")
# print_performance(liang2012)
# print(" ")
# print("Fraiwan (2012)")
# print_performance(fraiwan2012)
if __name__ == "__main__":
main()