On 08/28/2014 05:59 PM, Brian Matherly wrote:
> These have been added now:
> https://github.com/ddennedy/frei0r/pull/5#event-158437274
>
> You can choose between NDVI and VI. You can also select the channel for
> I and V.
> I added an optional legend to the bottom. The text is drawn by Cairo. If
>
>> The channel chooser and formula selection shouldn't be too hard to add.
>> The legend might be a little tricky. Frei0r doesn't provide a good way
>> to render text. So I would have to add a dependency on some other
>> library like pango or Qt.
>
> How about Cairo? There already are some frei0r
Hi,
On 07/24/2014 03:54 PM, Brian Matherly wrote:
> In the screenshot you sent, I noticed that the "Color Map" parameter was
> not exposed by KDENLIVE. With the XML file, does KDENLIVE allow you to
> change the color map? Any suggestions on other color maps that should be
> added or what should be
Hi Stefan,
>> I finally got the filters and had time to mod a camera. Copying the
>> ndvi.so into my system's freior-1 libdir worked and I can access all
>> parameters (?) in KDEnLive which makes testing much easier :). Or do I
>> see all parameters? Screenshot is attached.
>
>Never mind - I foun
Here's the link to the theoretical background of NIR-VIS:
http://agribotix.com/blog/2014/6/10/misconceptions-about-uav-collected-ndvi-imagery-and-the-agribotix-experience-in-ground-truthing-these-images-for-agriculture
-S
--
On 07/23/2014 10:50 PM, Stefan Gofferje wrote:
> I finally got the filters and had time to mod a camera. Copying the
> ndvi.so into my system's freior-1 libdir worked and I can access all
> parameters (?) in KDEnLive which makes testing much easier :). Or do I
> see all parameters? Screenshot is at
Just a short update. I'm still waiting for my filters. As soon as I have
them, I will take some sample footage and test.
-S
--
(o_ Stefan Gofferje| SCLT, MCP, CCSA
//\ Reg'd Linux User #247167 | VCP #2263
V_/_ Heckler & Koch - the original point and click interface
-
> If I may, I would like to suggest 2 additional parameters which would
> select the channels for NIR and VIS (red, green, blue). That would make
> the filter also compatible with red filters as used for e.g. the Moebius
> camera (they have NIR in the blue channel and VIS in the red channel)
> and
Hi,
On 06/30/2014 08:38 AM, Dan Dennedy wrote:
> Stefan, Brian reached a good working state on the NDVI plugin, and
> today I pushed it into the upstream git repos. On Tuesday July 1,
> there will be a new version of Shotcut (14.07) that will include the
> filter. The filter is not yet exposed in
On Thu, Jun 19, 2014 at 2:45 AM, Stefan Gofferje
wrote:
> On 06/19/2014 07:47 AM, Brian Matherly wrote:
>> That's a long time to wait. What about one of the 54000 DIY-Drones
>> members? Does anyone have any footage they could share?
>
> http://diydrones.com/profiles/blogs/development-of-ndvi-postp
On 06/19/2014 07:47 AM, Brian Matherly wrote:
> That's a long time to wait. What about one of the 54000 DIY-Drones
> members? Does anyone have any footage they could share?
http://diydrones.com/profiles/blogs/development-of-ndvi-postprocessing-plugin-for-frei0r-the-mlt
--
(o_ Stefan Gofferje
On 06/19/2014 07:47 AM, Brian Matherly wrote:
> That's a long time to wait. What about one of the 54000 DIY-Drones
> members? Does anyone have any footage they could share?
I will post a request but as it's not yet possible to easily postprocess
the video, there's probably not much video yet. Publ
>> Stefan, can you provide some sample IR footage with the IR in the red
>> and VIS in the blue channel like you described above?
>
> Yup, in 2 or 3 weeks. I'm waiting for the filter sheet and some lenses
> to arrive.
That's a long time to wait. What about one of the 54000 DIY-Drones
members? Doe
On Wed, Jun 18, 2014 at 5:51 AM, Brian Matherly wrote:
>
> As long as image alignment isn't needed, I think that Frei0r would be a good
> place to add the feature.
>
> Dan, what is your opinion of Frei0r? With only two commits in over a year,
> will there ever be another Frei0r release?
frei0r is
On 06/18/2014 03:51 PM, Brian Matherly wrote:
> Stefan, can you provide some sample IR footage with the IR in the red
> and VIS in the blue channel like you described above?
Yup, in 2 or 3 weeks. I'm waiting for the filter sheet and some lenses
to arrive.
-S
--
(o_ Stefan Gofferje
>> Are the IR and VIS videos coming from different unsynchronized
>> cameras? Do you also need functions to align the images spatially and
>> temporally?
>
> I think, that's a possibility but as far as I can tell, most
> "grassroots" environmentalists use a single camera with some kind of
> filter
On 06/17/2014 08:07 PM, Dan Dennedy wrote:
> Are the IR and VIS videos coming from different unsynchronized
> cameras? Do you also need functions to align the images spatially and
> temporally?
I think, that's a possibility but as far as I can tell, most
"grassroots" environmentalists use a single
On Mon, Jun 16, 2014 at 10:41 AM, Stefan Gofferje
wrote:
> Hi,
>
> On 06/16/2014 07:47 PM, Brian Matherly wrote:
>>> NDVI = (IR - VIS) / (IR + VIS)
>>
>> What is the equation for VIS? "VIS = (G + B) / 2" ?
>
> No, usually the infrablue filters don't let any green pass, so in this
> case, VIS would
Hi,
On 06/16/2014 07:47 PM, Brian Matherly wrote:
>> NDVI = (IR - VIS) / (IR + VIS)
>
> What is the equation for VIS? "VIS = (G + B) / 2" ?
No, usually the infrablue filters don't let any green pass, so in this
case, VIS would be the blue channel and IR the red channel.
> Are negative NDVI valu
> I'm using modified cameras from multicopter platforms and would like to
> create NDVI false color footage. Generally, I'm using KDEnLive but I'm
> also having an eye on Shortcut.
>
> NDVI imagery is usually created with a camera which has no IR cut filter
> but an infrablue filter (e.g. Rosco 200
Hi,
I'm using modified cameras from multicopter platforms and would like to
create NDVI false color footage. Generally, I'm using KDEnLive but I'm
also having an eye on Shortcut.
NDVI imagery is usually created with a camera which has no IR cut filter
but an infrablue filter (e.g. Rosco 2007). Th
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