Re: Opening image with big file size

Posted by donny008 on Aug 20, 2010; 6:05pm
URL: http://imagej.273.s1.nabble.com/Opening-image-with-big-file-size-tp3687203p3687211.html

No Glen i dont convert to jpeg. However by changing the pixel size the
problem has been solved. thankyou



On Fri, Aug 20, 2010 at 7:43 PM, Glen MacDonald <[hidden email]>wrote:

> Are you converting the image to jpeg?  The file size in the directory is
> the compressed size, but files will open to the original size.  You will
> need to remove pixels/voxels by cropping or sub-sampling.  If bit depth is >
> 8-bits then cut file size by reducing to 8-bits.  If multi-channel, reduce
> channel number.  Or buy more memory.
>
> The best approach will depend on specifics of your files and their
> application.
> Glen
>
> Glen MacDonald
> Core for Communication Research
> Virginia Merrill Bloedel Hearing Research Center
> Box 357923
> University of Washington
> Seattle, WA 98195-7923  USA
> [phone]
> [hidden email]
>
>
> On Aug 20, 2010, at 10:30 AM, Donny George wrote:
>
> > Hello
> >
> > I have rather weird situation. I have certain images which have size of
> > around 13 MB. Since working on these images is time consuming I reduced
> the
> > file size to around 1 MB. But once I try to open this new image, its open
> > the old image and the display information shows 13 MB again. I had
> assumed
> > that this was probably associated with the method i used to reduce the
> file
> > size (i used photoshop). So now i tried many other softwares to do the
> same
> > task of reducing file size. And tried opening them but it all somehow
> > displays the old 13 MB image. I also tried updating the ImageJ version. I
> > cant really figure out why this is so. someone has any idea why this
> happens
> > ?
> >
> >
> > Regards
> > Donny
> >
> >
> >
> >
> > --
> > Donny George
>

--
Donny George