http://imagej.273.s1.nabble.com/Turboreg-Problem-with-jpg-and-png-image-format-tp5002040p5002049.html
saves the file in an rgb format. You can convert to an 8-bit grayscale
selecting 8-bit grayscale as an option.
> Hello everybody,
>
> I have a problem I can't figure out alone any more. Out of my microscope
> data I create image files using mathlab. with turboreg I want to align the
> images with respect to another. This works perfekt when I create .jpg files
> with mathlab, but if I use .png or even .tif images the error "At least two
> grayscale or RGB-stack images are required".
> I tried to get rid of this problem changing the export options in mathlab
> to
> grayscale, but it doesn't work. This option is also under the "rendering"
> dialog box, so i am even not sure if this is the right place to change the
> export options but I didn't finde any other options.
>
> I want to use .png images because it is a lossles compression and .jpg
> smoothes my data, though changing it a bit which is not wanted. My data is
> only in grayscale, but the images seem to appear as colour, what I don't
> understand. I would be very happy if anybody has some ideas.
>
> Thank you.
>
> Jonas
>
>
>
>
> --
> View this message in context:
>
http://imagej.1557.n6.nabble.com/Turboreg-Problem-with-jpg-and-png-image-format-tp5002040.html> Sent from the ImageJ mailing list archive at Nabble.com.
>
> --
> ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>
Joel B. Sheffield, Ph.D