Template Matching on videoes

asked 2017-05-06 22:42:22 -0500

moh3th1 gravatar image

updated 2017-05-06 22:44:29 -0500

How to modify this code to implement template matching on videos

import cv2
import numpy as np

img_rgb = cv2.imread('opencv-template-matching-python-tutorial.jpg')
img_gray = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)

template = cv2.imread('opencv-template-for-matching.jpg',0)
w, h = template.shape[::-1]
res = cv2.matchTemplate(img_gray,template,cv2.TM_CCOEFF_NORMED)
threshold = 0.8
loc = np.where( res >= threshold)
for pt in zip(*loc[::-1]):
    cv2.rectangle(img_rgb, pt, (pt[0] + w, pt[1] + h), (0,255,255), 2)

cv2.imshow('Detected',img_rgb)
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Comments

I don't understand how you can have a problem if you already try "CAMShift .. and tried Object Tracking Algorithms in opencv 3 like BOOSTING, MIL, TLD, MEDIANFLOW" to read a video in python it's here

all python tutorials are here

LBerger gravatar imageLBerger ( 2017-05-07 02:38:43 -0500 )edit

yes , I tried those but all of them failed with mario .. so I want to try template matching on videos but I don,t know how to start ..how can I use cv2.VideoCapture('.....avi')with this sample of code

moh3th1 gravatar imagemoh3th1 ( 2017-05-07 09:34:16 -0500 )edit

I don't know python but I think you can use this tutorials. ret ,frame = cap.read() give what you called im_rgb and after use your code...

About avi it will depends of your system linux or windows

LBerger gravatar imageLBerger ( 2017-05-07 09:50:07 -0500 )edit