Juan Santos
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Thermal ortoimage

Started this discussion. Last reply by MIGUEL ABRIL Aug 12. 2 Replies

Hi,Im doing a thermal image mosaic from an Optris thermal video capture.First of all i've got to take snapshots of the video in order to get thermal images to work with. Second i've got to try some…Continue

Ortophoto with no georreferencing

Started this discussion. Last reply by Juan Santos Oct 30, 2014. 2 Replies

Hi!I made an inspeccion of the underneath part of a bridge, and wasn't able to georeference the images (GPS interference with the metallic parts).Anyway, I was triying to make a ortophoto and can't…Continue

 

Juan Santos's Page

Latest Activity

MIGUEL ABRIL replied to Juan Santos's discussion Thermal ortoimage
"hola, por favor me podrias ayudar con el tema de ortoimagen con camara termica pues tengo el sensor Aero Therm UC y no he podido generar la ortoimagen, mis imagnes estan en formatoi tiff y cuando las subo a Agisoft la imagenes quedan en tono gris…"
Aug 12
Habitat Estudios Ambientales s.l replied to Juan Santos's discussion Thermal ortoimage
"Hello, We work with Agisoft and we ortoimagen with thermal camera. Maybe missing more frontal and lateral overlap between frames. Extract frames from video more of the thermal camera. regards"
Apr 21, 2015
Juan Santos posted a discussion

Thermal ortoimage

Hi,Im doing a thermal image mosaic from an Optris thermal video capture.First of all i've got to take snapshots of the video in order to get thermal images to work with. Second i've got to try some alignament with no georeferencing and theres when the problems come. No software can align that pics (software like agisoft or pix4D), and when trying another kind of software (like MS Ice) it get many distorsion.Any idea on how to do it?PS; I didnt mention, but to make it worse, it's not a…See More
Apr 17, 2015
Juan Santos replied to Juan Santos's discussion Ortophoto with no georreferencing
"Hi Gerard. First of all, thanks for your answer. The main problem is that the bridge is mostly 5-6 meters high, so we flew the drone 3 m. high to have a proper view of the underneath part of it and not fliying too close to it. So, when we started to…"
Oct 30, 2014
Gerard Toonstra replied to Juan Santos's discussion Ortophoto with no georreferencing
"Hi Juan, This is normal, when you have high objects they generate a certain distortion in the image due to the perspective. Different softwares generate different results because of differences in the algorithm. In pix4d however you can choose which…"
Oct 30, 2014
Juan Santos posted a discussion

Ortophoto with no georreferencing

Hi!I made an inspeccion of the underneath part of a bridge, and wasn't able to georeference the images (GPS interference with the metallic parts).Anyway, I was triying to make a ortophoto and can't do it because of huge distorsion of the images. The drone was flying close to the bridge (3 meters) and the overlap of the images is enough (between 40-60%). The problem is not the overlapping, seems to be very different orientation and distorsion for being so close to the infraestructure.Has anyone…See More
Oct 30, 2014

Profile Information

About Me:
Mapping and topography specialist
Please tell us a bit about your UAV interest
Drone mapping, UAV photogrammetry
Hometown:
Zaragoza

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