Re: Octave 3.8.0 imread and imwrite

[Carnë Draug]

On 21 February 2014 14:22,  <address@hidden> wrote:
> I am trying to do something very simple and it is not working the way I would
> expect. the file input.jpg is a an 8bit grayscale image. If I read it in
> with imread the array ends up as a uint8 array
>
>
>                 AID=imread("input.jpg");
>                 imwrite(AID, "test.bmp");
>                 imwrite(AID, "test.jpg");
>
> When I write it out, test.bmp is a 24bit image and has a red tinge to it.
> The test.jpg is an 8bit image bit it is not correct as the white background
> in the image becomes a dark gray.
>
> This has worked forever with 3.2.4 and 3.6.4.
>
> What am I doing wrong?

Unless you give us a way to reproduce the problem, we can't do much.
Can you send us the picture? If it was working before and not anymore,
it may be a regression (there was a lot of changes in imwrite and
imread for Octave 3.8.0). The bug tracker may be the right place to
report this.

Carnë