Re: convert 8 bit to 16 bit
Posted by
Glen MacDonald-2 on
Jul 28, 2017; 5:16pm
URL: http://imagej.273.s1.nabble.com/convert-8-bit-to-16-bit-tp5019139p5019143.html
Dear Ash
this is a scaling issue, since conversion does not add intensities, it places them at the bottom of a much deeper bucket. A value of 128 is mid-way in 8-bit intensity range (50% of maximum) but is only 0.02% of maximum in 16-bits.
From the Fiji website
https://imagej.net/Troubleshooting#The_image_I_loaded_is_displayed_all_black.21_But_it_is_not_black.21Regards,
Glen MacDonald
Digital Microscopy Center
Box 357923
University of Washington
Seattle, WA 98195-7923 USA
(206) 616-4156
depts.washington.edu/digmicro
[hidden email]
> On Jul 28, 2017, at 5:51 AM, Ash Fairy <
[hidden email]> wrote:
>
> hii all
>
> i wanted to convert an 8 bit image to 16 bit... i converted it by giving
> image-type-16 bit...when i adjusted the brightness and contrast , its still
> displaying in 0-255 range...
> and when i manually varied it by giving SET 0-65535,...
> the image wash off and disappears!!
>
> is it possible to convert an 8 bit image to 16 bit with pixel values
> 0-65535,,
>
>
> plz help!
>
> --
> ImageJ mailing list:
http://imagej.nih.gov/ij/list.html--
ImageJ mailing list:
http://imagej.nih.gov/ij/list.html