http://imagej.273.s1.nabble.com/Silent-client-side-image-processing-with-ImageJ-tp5012894p5012930.html
update site. I.e.: a desktop application. It will be easy to push future
Java code as part of a web application. But running Java client-side is
That would also make it easy to push updates. But it doesn't exactly give
you the "silent" processing you are looking for. Is that _really_ a
> Hi Curtis,
>
> Thanks so much for your advice. The reason I had hoped to do the processing
> on the client side was due to the fact that our web host doesn't allow Java
> applets on shared hosting (which we have) due to potential high CPU
> requirements - we'll need to move to virtual private server or dedicated
> server hosting to do that, which will cost us more than 10 times what we're
> currently paying. Not completely out of the question though if that's the
> only way we can make it work.
>
> An alternative of course might be to package an ImageJ-based front end
> desktop application that the user can download and install to carry out the
> image processing on his own machine, but if it's possible to do it as a web
> application then I believe that would be best as it would make it easier to
> upgrade and improve the system in the future.
>
> So here's a little more detail, in case it helps:
>
> - The TIFF images we need to process are actually GeoTIFFs and comprise 3
> bands - near-infrared, green and blue. I understand that ImageJ doesn't
> currently handle GeoTIFF metadata (that is to say I can't find any plugins
> that look like they can do it), and I'm experimenting with a few different
> ways to copy the GeoTIFF metadata from the input image and apply it
> post-processing to the output image, but that's not a pressing issue for
> now.
>
> - The processing involves a simple formula which creates a new single-band
> TIFF in which each pixel is assigned a value from 0-255, representing a
> real value of -1.0 to +1.0 (0 is -1.0, 128 is 0.0 and 255 is +1.0).
> The -1.0 to +1.0 index value is a result of the formula (N-G)/(N+G). This
> is a fairly widely used formula which can give an indication of crop health
> and stress among other things - high values indicate healthy crops, low
> values indicate unhealthy crops or very little crop biomass, and slight
> negative values indicate water or snow. I've been using Ned Horning's
> PhotoMonitoring plugin to do this via the GUI with very good results.
>
> - I then apply a custom LUT which helps emphasise the variations across the
> paddock, and categorise each zone into different range classes.
>
> - Finally I'd like to automatically add a border, colour legend, scale bar,
> North arrow etc - not up to this part yet though.
>
> - The final output needs to be in TIFF format. Ideally I'd like to output
> the maps in PDF format too but for now I'm just looking to get the basic
> process working automatically for a group of web users without input from
> my end each time an image is submitted for processing.
>
> Thanks again. If anyone can give me any additional advice on getting this
> to work through 'silent' client-side processing (i.e. without any of
> the ImageJ GUI elements being displayed to the user at any time) I'd really
> appreciate it. If this is simply not possible then that will also answer
> many of my questions!
>
> Cheers,
> Gareth
>
> On Friday, May 22, 2015, ctrueden [via ImageJ] <
>
[hidden email]> wrote:
>
> > Hi Gareth,
> >
> > > The processing itself would take place on the client machine
> >
> > I missed this point in my first response. That changes the equation. And
> I
> > don't have a good solution for you. But I would ask you to reevaluate
> > whether you really need to do things the way you describe, to accomplish
> > your goals. If you elaborate a bit more on what your requirements are,
> > perhaps people on the list can offer you more tractable solutions.
> >
> > Regards,
> > Curtis
> >
> > On Wed, May 20, 2015 at 10:21 PM, gj384 <[hidden email]
> > <
http:///user/SendEmail.jtp?type=node&node=5012911&i=0>> wrote:
> >
> > > Hi there,
> > >
> > > I'm in the process of developing an ImageJ macro with the following
> > basic
> > > workflow:
> > >
> > > 1. Open TIFF file
> > > 2. Calculate NDVI (using Ned Horning's PhotoMonitoring plugin)
> > > 3. Apply a custom LUT to the NDVI image
> > > 4. Add a few other elements to the map (legend, scale bar, north arrow
> > etc)
> > > 5. Save the new NDVI image as a new TIFF file
> > >
> > > What I would really like to do is have the above process run 'silently'
> > > from
> > > a website - by this I mean the user would open the web page, log in
> etc,
> > > select a file from his local drives, fill in a few options and submit
> it
> > > for
> > > processing. The processing itself would take place on the client
> > machine,
> > > and when it was complete the user would be presented with the final
> NDVI
> > > map
> > > which he could save and use.
> > >
> > > Before I go too far down the path of doing this with a macro and then
> > > attempting to turn it into a 'silent' program as described above, I
> just
> > > thought I would ask if anyone else has done anything like this before,
> > and
> > > whether it would even be possible. I tried a few different searches and
> > > couldn't find anything that seemed relevant to my question. I may be
> > going
> > > about this in completely the wrong way, and in fact this is highly
> > likely
> > > as
> > > I'm very new to both Java and ImageJ.
> > >
> > > If anyone could provide any pointers or similar examples which might
> > help
> > > I'd be extremely grateful!
> > >
> > > Thanks in advance
> > >
> > > Gareth Jones
> > >
> > >
> > >
> > > --
> > > View this message in context:
> > >
> >
>
http://imagej.1557.x6.nabble.com/Silent-client-side-image-processing-with-ImageJ-tp5012894.html> > > Sent from the ImageJ mailing list archive at Nabble.com.
> > >
> > > --
> > > ImageJ mailing list:
http://imagej.nih.gov/ij/list.html> > >
> >
> > --
> > ImageJ mailing list:
http://imagej.nih.gov/ij/list.html> >
> >
> > ------------------------------
> > If you reply to this email, your message will be added to the discussion
> > below:
> >
> >
>
http://imagej.1557.x6.nabble.com/Silent-client-side-image-processing-with-ImageJ-tp5012894p5012911.html> > To unsubscribe from 'Silent' client-side image processing with ImageJ,
> click
> > here
> > <
>
>
> > .
> > NAML
> > <
> http://imagej.1557.x6.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >
> >
>
>
> --
>
> *Gareth Jones*
> *Precision Agriculture Consultant*
>
> *Eden Precision Agriculture*
>
> 0414 524 106
>
[hidden email]
> edenpa.com.au
>
>
>
>
> --
> View this message in context:
>
http://imagej.1557.x6.nabble.com/Silent-client-side-image-processing-with-ImageJ-tp5012894p5012921.html> Sent from the ImageJ mailing list archive at Nabble.com.
>
> --
> ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>