-
Notifications
You must be signed in to change notification settings - Fork 24
/
morse_cv.py
134 lines (118 loc) · 4.71 KB
/
morse_cv.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
from scipy.spatial import distance
from imutils import face_utils
import imutils
import dlib
import cv2
from morse_converter import convertMorseToText
from collections import deque
import numpy as np
from morse_log import log
class Detectmorse():
# Constructor...
def __init__(self):
self.flag = 0
self.openEye = 0
self.str = ''
self.finalString = []
global L
self.L = []
self.closed = False
self.timer = 0
self.final = ''
self.pts = deque(maxlen=512)
self.thresh = 0.25
self.dot = 10
self.dash = 40
self.detect = dlib.get_frontal_face_detector()
self.predict = dlib.shape_predictor(
"shape_predictor_68_face_landmarks.dat") # Dat file is the crux of the code
(self.lStart, self.lEnd) = face_utils.FACIAL_LANDMARKS_IDXS["left_eye"]
(self.rStart, self.rEnd) = face_utils.FACIAL_LANDMARKS_IDXS["right_eye"]
def eye_aspect_ratio(self,eye):
A = distance.euclidean(eye[1], eye[5])
B = distance.euclidean(eye[2], eye[4])
C = distance.euclidean(eye[0], eye[3])
self.ear = (A + B) / (2.0 * C)
return self.ear
def calculate(self,frame):
frame = imutils.resize(frame, width=640)
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
subjects = self.detect(gray, 0)
for subject in subjects:
shape = self.predict(gray, subject)
shape = face_utils.shape_to_np(shape) # converting to NumPy Array
leftEye = shape[self.lStart:self.lEnd]
rightEye = shape[self.rStart:self.rEnd]
leftEAR = self.eye_aspect_ratio(leftEye)
rightEAR = self.eye_aspect_ratio(rightEye)
ear = (leftEAR + rightEAR) / 2.0
leftEyeHull = cv2.convexHull(leftEye)
rightEyeHull = cv2.convexHull(rightEye)
cv2.drawContours(frame, [leftEyeHull], -1, (0, 255, 0), 1)
cv2.drawContours(frame, [rightEyeHull], -1, (0, 255, 0), 1)
if ear < self.thresh: # closed eyes
self.flag += 1
self.pts.appendleft(self.flag)
self.openEye = 0
else:
self.openEye += 1
self.flag = 0
self.pts.appendleft(self.flag)
for i in range(1, len(self.pts)):
if self.pts[i] > self.pts[i - 1]:
# print(pts[i - 1], pts[i])
# if self.pts[i] > 30 and self.pts[i] < 60:
if self.pts[i] > 20 and self.pts[i] < 40:
print("Eyes have been closed for 30 frames! - Print '-'")
log("Eyes have been closed for 30 frames!")
self.L.append("-")
self.pts = deque(maxlen=512)
break
# elif self.pts[i] > 15 and self.pts[i] < 30:
elif self.pts[i] > 5 and self.pts[i] < 20:
print("Eyes have been closed for 15 frames!")
log("Eyes have been closed for 15 frames! - Print '.'")
self.L.append(".")
self.pts = deque(maxlen=512)
break
# elif self.pts[i] > 60:
elif self.pts[i] > 40:
print("Eyes have been closed for 40 frames!")
log("Eyes have been closed for 40 frames! - Remove morse character")
if len(self.L)>0:
self.L.pop()
else:
print("Nothing to remove")
log("Nothing to remove")
self.pts = deque(maxlen=512)
break
if (self.L != []):
print(self.L)
if self.openEye > 50:
if (self.L != []):
print(self.L)
self.str = convertMorseToText(''.join(self.L))
if self.str != None:
print(self.str)
self.finalString.append(self.str)
self.final = ''.join(self.finalString)
if self.str == None:
self.L = []
self.L = []
cv2.putText(frame, "Predicted : " + self.final, (10, 470),
cv2.FONT_HERSHEY_DUPLEX, 0.7, (52, 152, 219), 2)
return frame
def main():
cap = cv2.VideoCapture(0)
camera = Detectmorse()
while True:
ret, frame = cap.read()
frame = camera.calculate(frame)
cv2.imshow("Frame", frame)
key = cv2.waitKey(1) & 0xFF
if key == ord("q"):
break
cv2.destroyAllWindows()
cap.stop()
if __name__ == '__main__':
main()