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main.py
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main.py
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#imports
import cv2
import dlib
import numpy as np
from math import hypot
from imutils import face_utils
from utils import *
import winsound
# KEYBOARD SETTING/VARIABLES:
keyboard=np.zeros((300,800,3),np.uint8)
first_col_index=[0,10,20,30,40,50]
second_col_index=[1,11,21,31,41,51]
third_col_index=[2,12,22,32,42,52]
fourth_col_index=[3,13,23,33,43,53]
fifth_col_index=[4,14,24,34,44,54]
sixth_col_index=[5,15,25,35,45,55]
seventh_col_index=[6,16,26,36,46,56]
eighth_col_index=[7,17,27,37,47,57]
ninth_col_index=[8,18,28,38,48,58]
tenth_col_index=[9,19,29,39,49,59]
key_set={0:"1",1:"2",2:"3",3:"4",4:"5",5:"6",6:"7",7:"8",8:"9",9:"0",
10:"q",11:"w",12:"e",13:"r",14:"t",15:"y",16:"u",17:"i",18:"o",19:"p",
20:"a",21:"s",22:"d",23:"f",24:"g",25:"h",26:"j",27:"k",28:"l",29:";",
30:"z",31:"x",32:"c",33:"v",34:"b",35:"n",36:"m",37:"<",38:">",39:"?",
40:"+",41:"-",42:",",43:".",44:"/",45:"*",46:"@",47:".",48:"!",49:" ",
50:"->",51:"->",52:"->",53:"->",54:"->",55:"->",56:"->",57:"->",58:"->",59:"->",}
#counters
frame_count_column=0 #this is frame count for column
frame_count_row=0 #this is frame count for row
col_index=[]
col=0
blink_count=0 #this for couting the blink (used for blink for changing the row and column)
blink_count_indivisual_key=0 #this is for counting the blink to check whether the key should press or not
font_letter=cv2.FONT_HERSHEY_PLAIN
col_select=False #this for selecting the particular column
row=0 #this is to count the row after particular column is selected
IMG_SIZE=(34,26)
###################
type_text="" #this is to store the typed character
###################
#user defined class object for blink detection using cnn model
bd=Blink_detection()
white_board=np.ones((100,800,3),np.uint8)
#######################
detector=dlib.get_frontal_face_detector()
predictor=dlib.shape_predictor("FILES\\shape_predictor_68_face_landmarks.dat")
cap=cv2.VideoCapture(0)
#####################
#FUNCTION TO DRAW KEYBOARD
def draw_keyboard(letter_index,letter,light):
if letter_index==0:
x=0
y=0
elif letter_index==1:
x=80
y=0
elif letter_index==2:
x=160
y=0
elif letter_index==3:
x=240
y=0
elif letter_index==4:
x=320
y=0
elif letter_index==5:
x=400
y=0
elif letter_index==6:
x=480
y=0
elif letter_index==7:
x=560
y=0
elif letter_index==8:
x=640
y=0
elif letter_index==9:
x=720
y=0
elif letter_index==10:
x=0
y=50
elif letter_index==11:
x=80
y=50
elif letter_index==12:
x=160
y=50
elif letter_index==13:
x=240
y=50
elif letter_index==14:
x=320
y=50
elif letter_index==15:
x=400
y=50
elif letter_index==16:
x=480
y=50
elif letter_index==17:
x=560
y=50
elif letter_index==18:
x=640
y=50
elif letter_index==19:
x=720
y=50
elif letter_index==20:
x=0
y=100
elif letter_index==21:
x=80
y=100
elif letter_index==22:
x=160
y=100
elif letter_index==23:
x=240
y=100
elif letter_index==24:
x=320
y=100
elif letter_index==25:
x=400
y=100
elif letter_index==26:
x=480
y=100
elif letter_index==27:
x=560
y=100
elif letter_index==28:
x=640
y=100
elif letter_index==29:
x=720
y=100
elif letter_index==30:
x=0
y=150
elif letter_index==31:
x=80
y=150
elif letter_index==32:
x=160
y=150
elif letter_index==33:
x=240
y=150
elif letter_index==34:
x=320
y=150
elif letter_index==35:
x=400
y=150
elif letter_index==36:
x=480
y=150
elif letter_index==37:
x=560
y=150
elif letter_index==38:
x=640
y=150
elif letter_index==39:
x=720
y=150
elif letter_index==40:
x=0
y=200
elif letter_index==41:
x=80
y=200
elif letter_index==42:
x=160
y=200
elif letter_index==43:
x=240
y=200
elif letter_index==44:
x=320
y=200
elif letter_index==45:
x=400
y=200
elif letter_index==46:
x=480
y=200
elif letter_index==47:
x=560
y=200
elif letter_index==48:
x=640
y=200
elif letter_index==49:
x=720
y=200
elif letter_index==50:
x=0
y=250
elif letter_index==51:
x=80
y=250
elif letter_index==52:
x=160
y=250
elif letter_index==53:
x=240
y=250
elif letter_index==54:
x=320
y=250
elif letter_index==55:
x=400
y=250
elif letter_index==56:
x=480
y=250
elif letter_index==57:
x=560
y=250
elif letter_index==58:
x=640
y=250
elif letter_index==59:
x=720
y=250
font=cv2.FONT_HERSHEY_PLAIN
letter_thickness=2
key_space=2
font_scale=3
height=50
width=80
if light==True:
cv2.rectangle(keyboard,(x+key_space,y+key_space),(x+width-key_space,y+height-key_space),(0,255,0),-1)
else:
cv2.rectangle(keyboard,(x+key_space,y+key_space),(x+width-key_space,y+height-key_space),(0,255,0),key_space)
letter_size=cv2.getTextSize(letter,font,font_scale,letter_thickness)[0]
letter_height,letter_width=letter_size[1],letter_size[0]
letter_x=int((width-letter_width)/2)+x
letter_y=int((height+letter_height)/2)+y
cv2.putText(keyboard,letter,(letter_x,letter_y),font,font_scale,(255,255,255),letter_thickness)
while True:
main_windows = np.zeros((780,1000,3),np.uint8)
if col_select==True:
frame_count_row=frame_count_row+1
else:
frame_count_column=frame_count_column+1
if frame_count_column==10:
col=col+1
if col==10:
col=0 #reseting the column
frame_count_column=0
if frame_count_row==10:
row=row+1
if row==6:
row=0 #resetting the row
col_select=False
frame_count_row=0
if col==0:
col_index=first_col_index
elif col==1:
col_index=second_col_index
elif col==2:
col_index=third_col_index
elif col==3:
col_index=fourth_col_index
elif col==4:
col_index=fifth_col_index
elif col==5:
col_index=sixth_col_index
elif col==6:
col_index=seventh_col_index
elif col==7:
col_index=eighth_col_index
elif col==8:
col_index=ninth_col_index
elif col==9:
col_index=tenth_col_index
keyboard[:]=(0,0,0) #reseting the keyboard
if col_select==False:
for i in range(0,60):
if i in col_index:
draw_keyboard(i,key_set[i],True)
else:
draw_keyboard(i,key_set[i],False)
else:
for i in range(0,60):
if i == col_index[row]:
draw_keyboard(i,key_set[i],True)
else:
draw_keyboard(i,key_set[i],False)
#Blink integration begin
_,frame=cap.read() #reading the frame form the webcam
frame = cv2.flip(frame, flipCode=1 )
gray=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY) #coverting the bgr frame to gray scale
faces=detector(gray) #this returns the dlib rectangle
#now extracting the rectangle which contain the upper and lower cordinates of the face
for face in faces:
shapes = predictor(gray, face)
shapes = face_utils.shape_to_np(shapes)
eye_img_l, eye_rect_l = bd.crop_eye(gray, eye_points=shapes[36:42])
eye_img_r, eye_rect_r = bd.crop_eye(gray, eye_points=shapes[42:48])
eye_img_l = cv2.resize(eye_img_l, dsize=IMG_SIZE)
eye_img_r = cv2.resize(eye_img_r, dsize=IMG_SIZE)
eye_img_r = cv2.flip(eye_img_r, flipCode=1)
eye_input_l = eye_img_l.copy().reshape((1, IMG_SIZE[1], IMG_SIZE[0], 1)).astype(np.float32) / 255.
eye_input_r = eye_img_r.copy().reshape((1, IMG_SIZE[1], IMG_SIZE[0], 1)).astype(np.float32) / 255.
pred_l,pred_r=bd.model_predict(eye_input_l,eye_input_r)
if pred_l < 0.1 and pred_r <0.1:
cv2.putText(main_windows,"------BLINK DETECTED------",(375,325), font_letter,1, (0,0,255),2)
print("blink detected")
blink_count=blink_count+1
if col_select==True:
blink_count_indivisual_key=blink_count_indivisual_key+1
frame_count_row=frame_count_row-1
else:
frame_count_column=frame_count_column-1
else:
blink_count=0
blink_count_indivisual_key=0
if blink_count==10:
col_select=True
#implementing keyboard typing
if blink_count_indivisual_key==10 and col_select==True:
col_select=False #to disable the active column
type_text=type_text+key_set[col_index[row]]
blink_count_indivisual_key=0
white_board[:]=(0,0,0)
winsound.Beep(500,100)
cv2.putText(white_board,type_text,(10,50),cv2.FONT_HERSHEY_PLAIN,5,(255,255,255),3)
row=0 #resetting the row
# visualize
state_l = 'O %.1f' if pred_l > 0.1 else '- %.1f'
state_r = 'O %.1f' if pred_r > 0.1 else '- %.1f'
state_l = state_l % pred_l
state_r = state_r % pred_r
cv2.rectangle(frame, pt1=tuple(eye_rect_l[0:2]), pt2=tuple(eye_rect_l[2:4]), color=(64,224,208), thickness=2)
cv2.rectangle(frame, pt1=tuple(eye_rect_r[0:2]), pt2=tuple(eye_rect_r[2:4]), color=(255,0,0), thickness=2)
# Combaining all windows into single window:
main_windows[50:150, 100:200] = cv2.resize(cv2.cvtColor(eye_img_l,cv2.COLOR_BGR2RGB),(100,100))
cv2.putText(main_windows,"LEFT EYE",(100,170), font_letter,1, (0,255,0),1)
cv2.putText(main_windows,str(state_l+"%"),(100,200), font_letter,2, (0,0,255),1)
main_windows[50:150, 800:900] = cv2.resize(cv2.cvtColor(eye_img_r,cv2.COLOR_BGR2RGB),(100,100))
cv2.putText(main_windows,"RIGHT EYE",(800,170), font_letter,1, (0,255,0),1)
cv2.putText(main_windows,str(state_r+"%"),(800,200), font_letter,2, (0,0,255),1)
main_windows[0:300, 300:700]= cv2.resize(frame,(400,300))
main_windows[350:650, 100:900] = keyboard
main_windows[670:770, 100:900] = white_board
cv2.imshow("Main_Windows",main_windows)
key=cv2.waitKey(10)
if key==ord('q'):
break
cv2.destroyAllWindows()