def check_distraction(self):
"""Se detecta una distraccion en caso de que se pase un umbral con respecto a los angulos de euler originales"""
vertical_threshold = 10
horizontal_threshold = 25
vertical_lower_bound = self.initial_face_angle_vertical - vertical_threshold
horizontal_lower_bound = self.initial_face_angle_horizontal - horizontal_threshold
horizontal_upper_bound = self.initial_face_angle_horizontal + horizontal_threshold
if (self.face_angle_vertical < vertical_lower_bound
or self.face_angle_horizontal < horizontal_lower_bound
or self.face_angle_horizontal > horizontal_upper_bound):
if (self.alarm.lost_face()):
CsvHandler.csv_input(
self.CAR_REGISTRATION, self.EVENT_STRING_DISTRACTION,
'' + str(self.gps.get_lat()) +
', ' + str(self.gps.get_lon()) + '',
str(self.gps.get_speed()), self.frame)
print("Distraccion detectada y registrada")
def check_drowsiness(self):
"""Conteo de pestaneos, bostezos y detección de sueño"""
self.blink_drowsiness_symptoms = 8
if self.ear < self.EYE_AR_THRESH:
if ((self.counter <= time.time() - self.EYE_AR_CONSEC_FRAMES)
and self.t_end_blink == 0):
self.t_end_blink = time.time() + 5
self.alarm.text_to_speech("alarm") #El conductor se durmió
CsvHandler.csv_input(
self.CAR_REGISTRATION, self.EVENT_STRING_SLEEP,
'' + str(self.gps.get_lat()) +
', ' + str(self.gps.get_lon()) + '',
str(self.gps.get_speed()), self.frame)
else:
self.counter = time.time()
if (time.time() > self.t_end_blink):
self.t_end_blink = 0
# conteo de pestaneos
if self.ear < self.EYE_AR_THRESH:
self.blink_verification = True
else:
if self.blink_verification == True:
self.blink_verification = False
self.blink_counter += 1
print("Cantidad de pestaneos: ", self.blink_counter)
# control de pestaneos largos en un tiempo a definir
if self.ear < self.EYE_AR_THRESH:
if self.blink_counter_verification == True:
self.blink_counter_verification = False
self.blink_eye_closed = time.time() + self.BLINK_TIME_CLOSED
if time.time(
) >= self.blink_eye_closed and self.blink_eye_closed != 0:
self.blink_time_alert_counter_a.append(time.time())
self.blink_eye_closed = 0
print("Se subio el contador de sintomas (pestaneos) en 1",
self.blink_time_alert_counter_a)
if len(self.blink_time_alert_counter_a
) == self.BLINK_TIME_ALERT:
self.blink_time_alert_counter_a = []
self.alarm.text_to_speech("drows_alert")
CsvHandler.csv_input(
self.CAR_REGISTRATION, self.EVENT_STRING_DROWSINESS,
'' + str(self.gps.get_lat()) +
', ' + str(self.gps.get_lon()),
str(self.gps.get_speed()), self.frame)
else:
self.blink_counter_verification = True
self.blink_eye_closed = 0
# solamente mantiene los pestaneos que se relaizaron en el intervalo de un minuto hacia atras, el resto los elimina
if len(self.blink_time_alert_counter_a) > 0:
if self.blink_time_alert_counter_a[0] <= (time.time() -
self.BLINK_TIME_GAP):
self.blink_time_alert_counter_a.pop(0)
print("elimine un elemento (pestaneo) porque paso un min",
self.blink_time_alert_counter_a)
# bostezos
if self.lips_distance > self.YAWN_THRESH and self.t_end == 0:
self.t_end = time.time() + 5
if self.yawn_counter_verification == True:
self.yawn_counter_verification = False
self.yawn_time_alert_counter_a.append(time.time())
print("se a incrementado en 1 bostezos",
self.yawn_time_alert_counter_a)
if len(self.yawn_time_alert_counter_a) == self.YAWN_TIME_ALERT:
self.alarm.text_to_speech("drows_alert")
self.yawn_time_alert_counter_a = []
else:
self.yawn_counter_verification = True
if len(self.yawn_time_alert_counter_a) > 0:
if self.yawn_time_alert_counter_a[0] <= (time.time() -
self.YAWN_TIME_GAP):
self.yawn_time_alert_counter_a.pop(0)
print("se elimino un lemento (Bostezo) porque paso un min",
self.yawn_time_alert_counter_a)
if (time.time() > self.t_end):
self.t_end = 0