/Python/Extract all bounding boxes using OpenCV Python

Extract all bounding boxes using OpenCV Python

import cv2

im = cv2.imread('c:/data/ph.jpg')
gray=cv2.cvtColor(im,cv2.COLOR_BGR2GRAY)
contours, hierarchy = cv2.findContours(gray,cv2.RETR_LIST,cv2.CHAIN_APPROX_SIMPLE)[-2:]
idx =0 
for cnt in contours:
    idx += 1
    x,y,w,h = cv2.boundingRect(cnt)
    roi=im[y:y+h,x:x+w]
    cv2.imwrite(str(idx) + '.jpg', roi)
    #cv2.rectangle(im,(x,y),(x+w,y+h),(200,0,0),2)
cv2.imshow('img',im)
cv2.waitKey(0)

Source: stackoverflow.com

Similar codes

0 vote146 views1 answer
Scroll horizontal excel
Python
0 vote163 views1 answer
Pandas como eliminar filas con valores no nulos en una columna
Python
0 vote156 views1 answer
How to run same function on multiple threads in pyhton
Python
5 votes242 views3 answers
Stop function python
Python
32 votes143 views4 answers
Clipboard python
Python
0 vote143 views1 answer
Python advanced programming exercises
Python
0 vote145 views2 answers
How to play a mp3 file in python
Python
16 votes158 views2 answers
Python to excel
Python
1 vote140 views1 answer
Python how to create attribute of class while iterating a list
Python
0 vote240 views1 answer
How do you read from a dictionary in python
Python