Task #14812

Support #14808: création d'une vidéo au ralenti par opencv

capture des images a partir d'un video

Added by Sebastien LENGAGNE 2 months ago. Updated 2 months ago.

Status:NewStart date:11/22/2022
Priority:NormalDue date:
Assignee:Awa Semou FAYE% Done:

0%

Category:-
Target version:Polytech Projets GE - Troisième Itération 2022
Remaining (hours)

Description

import cv2
import sched, time

s = sched.scheduler(time.time, time.sleep)

cam = cv2.VideoCapture(0)

cv2.namedWindow("test")

img_counter = 0

while True:
ret, frame = cam.read()
if not ret:
print("failed to grab frame")
break
cv2.imshow("test", frame)

k = cv2.waitKey(1)
if k%256 27: # ESC pressed
print("Escape hit, closing...")
break
elif k%256 32: # SPACE pressed
img_name = "opencv_frame_{}.png".format(img_counter)
cv2.imwrite(img_name, frame)
print("{} written!".format(img_name))
img_counter += 1

cam.release()

cv2.destroyAllWindows()


Related issues

Copied from Task #14733: capture des images a partir d'un video New 11/22/2022

History

#1 Updated by Sebastien LENGAGNE 2 months ago

  • Copied from Task #14733: capture des images a partir d'un video added

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