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Extract bounding boxes OpenCV

Important Ibex answered on July 13, 2021 Popularity 9/10 Helpfulness 4/10

answer Extract bounding boxes OpenCV

related Extract all bounding boxes using OpenCV Python

Extract bounding boxes OpenCV

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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)

Popularity 9/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: extract opencv python

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Contributed on Jul 13 2021

Important Ibex

0 Answers Avg Quality 2/10

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Extract all bounding boxes using OpenCV Python

Comment

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)

Popularity 2/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: using opencv-python extract python

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Contributed on Nov 04 2021

Angry Albatross

0 Answers Avg Quality 2/10

Extract bounding boxes OpenCV

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Extract bounding boxes OpenCV

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Extract all bounding boxes using OpenCV Python

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