Python + OpenCV + imencode

Question

I have this script part:

image = cv2.imdecode(data, 1)                
cv2.putText(image,"Hello World!", (10,10), cv2.FONT_HERSHEY_SIMPLEX, 1, 255)
cv2.imwrite("/temp/image.jpg", image)

This works fine.

But I want to encode the edited image with imencode():

result, img = cv2.imencode('.jpg', image, [1, 90])

And I get this error message: result, encimg = cv2.imencode('.jpg', image, [1, 90])

TypeError: 'bool' object is not iterable

Anyone know what's wrong with this?

Instead of excerpting the part of the error you think is relevant to us, please edit your question to include the full traceback — mhlester
– mhlester, Commented Feb 2, 2014 at 0:52

drewp · Accepted Answer · 2014-06-04 06:17:20Z

1

This looks like an older opencv version, where the signature was result=imencode(ext, img, outBuffer)

Hopefully you can get a newer opencv library version.

See http://opencv-users.1802565.n2.nabble.com/Bug-Python-cv2-imencode-td7185380.html for a similar report.

answered Jun 4, 2014 at 6:17

drewp

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