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tweet_with_gesture.py
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tweet_with_gesture.py
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import os
import sys
import cv2
import time
import math
import tweepy
import random
import pickle
import credentials
import numpy as np
class HandGesture:
def __init__(self):
self.last_gesture = 'nothing'
self.curr_time = 0
self.min_time = 30
self.api = self.get_api()
self.tweets = self.load_tweets()
def get_api(self):
api_key = credentials.api_key
api_secret = credentials.api_secret
access_token = credentials.access_token
access_token_secret = credentials.access_token_secret
auth = tweepy.OAuthHandler(api_key, api_secret)
auth.set_access_token(access_token, access_token_secret)
api = tweepy.API(auth)
return api
def add_tweet(self, gesture, tweet):
if gesture not in self.tweets:
self.tweets[gesture] = [tweet]
else:
self.tweets[gesture].append(tweet)
def remove_tweet(self, gesture, tweet):
if gesture not in self.tweets or tweet not in self.tweets[gesture]:
return
self.tweets[gesture].remove(tweet)
def save_tweets(self, path='tweets.pickle'):
with open(path, 'wb') as file:
pickle.dump(self.tweets, file, protocol=pickle.HIGHEST_PROTOCOL)
print('Saved')
def load_tweets(self, path='tweets.pickle'):
if not os.path.exists(path):
print('No tweets to load')
return {}
with open(path, 'rb') as file:
tweets = pickle.load(file)
return tweets
def reset_gesture(self):
self.gesture = 'nothing'
self.curr_time = 0
def publish_tweet(self, gesture):
print('FOUND ', gesture)
if gesture not in self.tweets:
print('Nothing to tweet, try adding a tweet for this gesture')
return
try:
tweet = random.choice(self.tweets[gesture])
self.api.update_status(tweet)
print('Tweeted', tweet)
except Exception as e:
print(str(e))
return
def count_gesture(self, gesture):
print(gesture)
if (self.last_gesture == gesture):
self.curr_time += 1
else:
self.last_gesture = gesture
self.curr_time = 1
if self.curr_time > self.min_time:
self.curr_time = 0
self.publish_tweet(gesture)
return True
return False
def run(self):
cap = cv2.VideoCapture(0)
if not cap.isOpened():
print('Error opening the video')
return
while(cap.isOpened()):
try:
ret, frame = cap.read()
if (ret == False):
print('Algo de errado não ta certo')
continue
frame = cv2.flip(frame, 1)
kernel = np.ones((3,3), np.uint8)
region_of_interest = frame[100:300, 300:500]
cv2.rectangle(frame, (300,100), (500,300), (0,255,0), 0)
hsv = cv2.cvtColor(region_of_interest, cv2.COLOR_BGR2HSV)
lower_mask = np.array([0,60,100], dtype=np.uint8)
upper_mask = np.array([20,255,255], dtype=np.uint8)
mask = cv2.inRange(hsv, lower_mask, upper_mask)
mask = cv2.dilate(mask, kernel, iterations = 4)
mask = cv2.GaussianBlur(mask, (5,5), 100)
contours, hierarchy = cv2.findContours(mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
cnt = max(contours, key = lambda x: cv2.contourArea(x))
epsilon = 0.0005 * cv2.arcLength(cnt, True)
approx = cv2.approxPolyDP(cnt, epsilon, True)
hull = cv2.convexHull(cnt)
areahull = cv2.contourArea(hull)
areacnt = cv2.contourArea(cnt)
arearatio=((areahull-areacnt)/areacnt)*100
hull = cv2.convexHull(approx, returnPoints=False)
defects = cv2.convexityDefects(approx, hull)
if defects is None: continue
num_points = 0
for i in range(defects.shape[0]):
s, e, f, d = defects[i,0]
start = tuple(approx[s][0])
end = tuple(approx[e][0])
far = tuple(approx[f][0])
pt = (100,180)
a = math.sqrt((end[0] - start[0])**2 + (end[1] - start[1])**2)
b = math.sqrt((far[0] - start[0])**2 + (far[1] - start[1])**2)
c = math.sqrt((end[0] - far[0])**2 + (end[1] - far[1])**2)
s = (a+b+c)/2
ar = math.sqrt(s*(s-a)*(s-b)*(s-c))
d = (2*ar) / a
angle = math.acos((b**2 + c**2 - a**2)/(2*b*c)) * 57
if angle <= 90 and d>30:
num_points += 1
cv2.circle(region_of_interest, far, 3, [255,0,0], -1)
cv2.line(region_of_interest, start, end, [0,255,0], 2)
num_points += 1
font = cv2.FONT_HERSHEY_SIMPLEX
if num_points == 1:
if areacnt < 2000:
self.reset_gesture()
cv2.putText(frame,'Put your hand in the box', (0, 50), font, 1, (0, 0, 255), 3, cv2.LINE_AA)
elif arearatio < 12:
self.reset_gesture()
cv2.putText(frame, '0', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
else:
self.count_gesture('1')
cv2.putText(frame, '1', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
elif num_points == 2:
self.count_gesture('2')
cv2.putText(frame, '2', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
elif num_points == 3:
self.count_gesture('3')
cv2.putText(frame, '3', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
elif num_points == 4:
self.count_gesture('4')
cv2.putText(frame, '4', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
elif num_points == 5:
self.count_gesture('5')
cv2.putText(frame, '5', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
elif num_points == 6:
self.reset_gesture()
cv2.putText(frame, 'reposition', (0,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
else:
self.reset_gesture()
cv2.putText(frame, 'reposition', (10,50), font, 2, (0,0,255), 3, cv2.LINE_AA)
cv2.imshow('mask', mask)
cv2.imshow('frame', frame)
cv2.waitKey(10)
except KeyboardInterrupt:
print("Ok ok, quitting")
cv2.destroyAllWindows()
cap.release()
sys.exit(1)
except Exception as e:
print(str(e))
pass
cv2.destroyAllWindows()
cap.release()
def get_menu():
print('---- Options ----')
print('1 - Add new tweet')
print('2 - Remove existing tweet')
print('3 - Save tweets')
print('4 - See current tweets')
print('5 - Run')
print('6 - Quit')
if __name__ == '__main__':
get_menu()
hg = HandGesture()
op = input()
while op != '6':
if op == '1':
gesture = input('Enter gesture: ')
tweet = input('Enter tweet: ')
hg.add_tweet(gesture, tweet)
print('Done')
elif op == '2':
gesture = input('Enter gesture: ')
tweet = input('Enter tweet: ')
hg.remove_tweet(gesture, tweet)
print('Done')
elif op == '3':
hg.save_tweets()
elif op == '4':
print(hg.tweets)
elif op == '5':
hg.run()
else:
print('Invalid operation')
op = input()