I am trying to run a python file in Ubuntu. But it is not running and I am not getting any error messages either. While loop is not running in Linux but it is working in windows
#!/usr/bin/env python
import cv2
import numpy as np
import math
cap = cv2.VideoCapture(0)
while(cap.isOpened()):
ret, img = cap.read()
cv2.rectangle(img,(300,300),(100,100),(0,255,0),0)
crop_img = img[100:300, 100:300]
grey = cv2.cvtColor(crop_img, cv2.COLOR_BGR2GRAY)
value = (35, 35)
blurred = cv2.GaussianBlur(grey, value, 0)
_, thresh1 = cv2.threshold(blurred, 127, 255,
cv2.THRESH_BINARY_INV+cv2.THRESH_OTSU)
cv2.imshow('Thresholded', thresh1)
(version, _, _) = cv2.__version__.split('.')
if version is '3':
image, contours, hierarchy = cv2.findContours(thresh1.copy(), \
cv2.RETR_TREE, cv2.CHAIN_APPROX_NONE)
elif version is '2':
contours, hierarchy = cv2.findContours(thresh1.copy(),cv2.RETR_TREE, \
cv2.CHAIN_APPROX_NONE)
cnt = max(contours, key = lambda x: cv2.contourArea(x))
x,y,w,h = cv2.boundingRect(cnt)
cv2.rectangle(crop_img,(x,y),(x+w,y+h),(0,0,255),0)
hull = cv2.convexHull(cnt)
drawing = np.zeros(crop_img.shape,np.uint8)
cv2.drawContours(drawing,[cnt],0,(0,255,0),0)
cv2.drawContours(drawing,[hull],0,(0,0,255),0)
hull = cv2.convexHull(cnt,returnPoints = False)
defects = cv2.convexityDefects(cnt,hull)
count_defects = 0
cv2.drawContours(thresh1, contours, -1, (0,255,0), 3)
for i in range(defects.shape[0]):
s,e,f,d = defects[i,0]
start = tuple(cnt[s][0])
end = tuple(cnt[e][0])
far = tuple(cnt[f][0])
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)
angle = math.acos((b**2 + c**2 - a**2)/(2*b*c)) * 57
if angle <= 90:
count_defects += 1
cv2.circle(crop_img,far,1,[0,0,255],-1)
#dist = cv2.pointPolygonTest(cnt,far,True)
cv2.line(crop_img,start,end,[0,255,0],2)
#cv2.circle(crop_img,far,5,[0,0,255],-1)
if count_defects == 1:
cv2.putText(img,"I am Vipul", (50,50), cv2.FONT_HERSHEY_SIMPLEX, 2, 2)
elif count_defects == 2:
str = "This is a basic hand gesture recognizer"
cv2.putText(img, str, (5,50), cv2.FONT_HERSHEY_SIMPLEX, 1, 2)
elif count_defects == 3:
cv2.putText(img,"This is 4 :P", (50,50), cv2.FONT_HERSHEY_SIMPLEX, 2, 2)
elif count_defects == 4:
cv2.putText(img,"Hi!!!", (50,50), cv2.FONT_HERSHEY_SIMPLEX, 2, 2)
else:
cv2.putText(img,"Hello World!!!", (50,50),\
cv2.FONT_HERSHEY_SIMPLEX, 2, 2)
cv2.imshow('Gesture', img)
all_img = np.hstack((drawing, crop_img))
cv2.imshow('Contours', all_img)
k = cv2.waitKey(10)
if k == 27:
break
kathir@kathir-VirtualBox:~/Desktop/Handgesture$ python BasicHandgesture.py
kathir@kathir-VirtualBox:~/Desktop/Handgesture$ python
Python 2.7.12 |Anaconda 4.2.0 (64-bit)| (default, Jul 2 2016, 17:42:40)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Anaconda is brought to you by Continuum Analytics.
Please check out: http://continuum.io/thanks and https://anaconda.org
>>> import cv2
>>>
KeyboardInterrupt
>>>
kathir@kathir-VirtualBox:~/Desktop/Handgesture$ python BasicHandgesture.py
kathir@kathir-VirtualBox:~/Desktop/Handgesture$
My code is this. Any Help is appreciable !!
