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

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6 views

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

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 Stereogrametry. I could replicate successfully ...
3
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1answer
42 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
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1answer
91 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 ...
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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
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2answers
360 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 ...
0
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1answer
406 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
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1answer
209 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
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1answer
402 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
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1answer
136 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
345 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
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1answer
575 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
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2answers
740 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
402 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
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1answer
167 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
696 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 ...