Re: the number of bits of an image read with imread

[Søren Hauberg]

I'd use the class function:
  is8bits  = strcmp(class(im), "uint8");
  is16bits = strcmp(class(im), "uint16");

Søren

Eric Nowak skrev:
> Hi all,
> I am using octave to read 8bits and 16bits image with imread().
> I need to convert the image to floats in [0,1], e.g. dividing the image 
> values by 2^bitnb.
> The pb is, I can't figure out what the bit nb is.
>
> Of course, I can't look for the max value of an image to figure it out 
> because:
> - it is too slow
> - a 16bits image may have values under 255
>
> Any idea how to solve the problem?
>
> Thanks,
> Eric
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Help-octave mailing list
> address@hidden
> https://www.cae.wisc.edu/mailman/listinfo/help-octave