Tagged Questions

The practice of determining the geometric properties of objects from photographic images.

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2
votes
2answers
27 views

Stereoscopy Software

I'm learning the Manual Photogrammetry process, Stereoscopy, to Process UAV Imagery. I'd like to know about others software, especially open source or low cost. ERDAS Imagine, Erdas Extensions for ...
2
votes
0answers
23 views

Photogrametry using e-Foto (Stereo Plotter, Stereo Imagery, Stereoscopy)

I'm learning Photogrametry with Stereo-view using e-Foto (http://www.efoto.eng.uerj.br/en). At the end, I want to know how to do Photogrametry via Stereoscopy in PC with Anaglyph Glasses. I could ...
3
votes
1answer
44 views

Stereo Analyst & ArcGIS 10.1 - volume calculation

I use to perform analysis and imagery exploitation with the software above. I have created a Stereo Analyst report with some 3d polygon by a stereoscopic block. How do I calculate the volume of some ...
0
votes
1answer
95 views

Inpho Match-AT (Application Master - Multi photo measurement)

I am new to Inpho Match-AT software and trying to do ground control measurement in Multi photo measurement. I am unable to display the outline in the overview and also the image list is not shown ...
1
vote
1answer
30 views

Star Markers - unable to get tie points in Inpho Match-AT

What do the star markers mean in Trimble's Inpho Match-AT software, specifically in the multi-photo measurement feature? I have been unable to generate tie points in an aerial triangulation in photos ...
11
votes
2answers
376 views

Looking for an “introduction to photogrammetry” book with a well documented chapter on UAV

I would like to recommend a book for my students to learn the basis of photogrammetry. I've read "Introduction to modern photogrammetry", 2001, from Mikhaïl, Bethel and McGlone. Unfortunately, the ...
1
vote
1answer
412 views

Is there an alternative for ERDAS IMAGINE AutoSync (eventuelly for QuantumGis)?

I had the possibility to work with a Demo-Version of the ERDAS IMAGINE module AutoSync. I have different geo-rasters (i.e. geoTIFFs) produced by UAV photography and which have to be matched the best ...
3
votes
1answer
217 views

Create DEM from cartosat stereo pairs?

I have two carstosat stereo pair images. All i need to do is to extract DEM from those. So, i tried it doing with OSGeo4W. but i didn't succeeded in it. So IS there any other softwares or opensource ...
4
votes
1answer
410 views

Direct Georeferencing with X,Y,Z and Omega, Phi, Kappa

I have images taken from plane, it's longitude, latitude, elevation, omega, phi, kappa. I suppose that earth is flat (I don't need any DEM on that stage) and I want to calculate how image is nailed to ...
1
vote
1answer
144 views

3D roof polygon creation from polylines in ARCGIS 10.1

I am Working in arcgis 10.1,I would like to create roof polygons from lines, the lines are captured with photogrammetry technique. As per my requirement I have found tool "3D Building Generator ...
5
votes
3answers
350 views

DEM generation from ASTER L1B imagery using FOSS

Is there any (photogrammetric or other) FOSS package to support the generation of a DEM from ASTER L1B products (i.e. combining the spectral bands 3N and 3B)? Are there any practical examples or/and ...
3
votes
1answer
594 views

Aerial Photograph Footprint Size Calculation

I was wondering what an easy formula to calculate the dimensions of the ground covered by an aerial photograph. I know the following: camera sensor size (mm x mm) camera focal length (mm) height ...
2
votes
2answers
755 views

QGIS, point clouds and photogrammetry

I'm trying to use photogrammetry and Structure from Motion to record buildings, and I'm looking for a way to bring these into a format usable in GIS, in particular pointclouds and models of terrain, ...
3
votes
3answers
409 views

Which Software can derive building footprints from imagery?

I'm looking for a software solution that can process large areas of imagery to produce building footprints. For the area of interest, I can source either satellite stereo pairs or oblique imagery. I ...
6
votes
1answer
168 views

3D photography visualisation and data acquisition

Couple of years back, i remember seeing a demo on web from Microsoft (i think it was) which showed a web application which was displaying what i would describe as a "cloud" of terrestrial survey ...
6
votes
2answers
703 views

What Open Source (command line/API) method is there to orthorectify and georeference an aerial image given telemetry data?

How can I take an image and orthorectify it automatically with open source software? The information associated with each image is: camera specs latitude, longitude, elevation of the camera ...