DisparityMapToElevationMap

Brief Description

Projects a disparity map into a regular elevation map

Long Description

This application uses a disparity map computed from a stereo image pair to produce an elevation map on the ground area covered by the stereo pair. The needed inputs are : the disparity map, the stereo pair (in original geometry) and the epipolar deformation grids. These grids have to link the original geometry (stereo pair) and the epipolar geometry (disparity map).

Parameters

[param] -io <string> This group of parameters allows setting the input and output images and grids.. Mandatory: True. Default Value: "0"
[param] -step <float> Spacing of the output elevation map (in meters). Mandatory: True. Default Value: "5"
[param] -hmin <float> Minimum elevation expected (in meters). Mandatory: True. Default Value: "0"
[param] -hmax <float> Maximum elevation expected (in meters). Mandatory: True. Default Value: "100"
[param] -elev <string> This group of parameters allows managing elevation values. Supported formats are SRTM, DTED or any geotiff processed by the DEM import application. Mandatory: True. Default Value: "0"
[param] -ram <int32> Available memory for processing (in MB). Mandatory: False. Default Value: "128"

Limitations

None

Authors

OTB-Team

Example of use

io.in: disparity.tif
io.left: sensor_left.tif
io.right: sensor_right.tif
io.lgrid: grid_epi_left.tif
io.rgrid: grid_epi_right.tif
io.out: dem.tif