[Image-SIG] Is getdata() or load() more efficient for accessing pixels?
Christopher Barker
Chris.Barker at noaa.gov
Wed Dec 5 18:50:45 CET 2007
jorma kala wrote:
> I read that the getpixel function of the PIL library is relatively slow.
Depending on your needs, numpy may be a good bet:
http://jehiah.cz/archive/creating-images-with-numpy
Be sure to look at the comment below, demonstrating the new
Image.fromarray() function.
And you can convert a PIL image to a numpy array with no data copying:
arr = numpy.asarray(PIL_image)
-CHB
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Christopher Barker, Ph.D.
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Chris.Barker at noaa.gov
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