Features

DROACOR can be used out of the box for supported sensor systems. The mostly automatic data import and pre-configured atmospheric correction makes it usable without expert knowledge about atmospheric compensation.

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Features

DROACOR® can be used out of the box for supported sensor systems. The mostly automatic data import and pre-configured atmospheric correction makes it usable without expert knowledge about atmospheric compensation.

Automatic physical reflectance retrieval method

Radiation parameters from LibRadtran radiative transfer model

Temperature retrievel fo single band TIR sensors

Processing of ground based and side-looking imagery

Aerosol optical thickness estimate by enhanced dark object method

Topographic illumination correction based on digital surface model input

Optional below-cloud reflectance retrieval

Panel based inflight radiometric calibration

Built-in multi-file and simultaneous multi-product vegetation index calculation

Data visualization, evaluation and basic processing using the build-in GLIMPS tools

De-shadowing of cloud/building cast shadow areas using image-based shade detection routines.

batch processing support through the availability of an open data format and scripting environment,

Spectral recalibration for VNIR and SWIR using oxygen band positions

Automatic processing and product generation

Improved results in shaded vegetation areas

A New Generation

During the last few years, drone-borne sensors have been widely used in geology, exploration, and agriculture. Image acquisition is possible for clear and cloudy conditions and in areas difficult to access. UAV data acquisitions are often conducted over longer periods of the day. Our new generation physical approach of atmospheric correction software provides a practical solution to this problem. It improves the analysis of the series of images since ground brightness variations caused by varying illumination conditions and atmospheric influences can be compensated.

DROACOR® is designed for currently available UAV based sensors. It is suited for multispectral visible/near infrared sensors as well as for hyperspectral instruments operating within the 400 – 2500 nm spectral range.

Usable without expert knowledge about atmospheric compensation
Reflectance retrieval consistent over time and solar position
Improved results in shaded vegetation areas
Enables meaningful time series analyses through coherent reflectance retrievals
Allows quantiative index analysis using absolute reflectances
Optimized for fully automatic processing and product generation
Low altitude optimized adjacency radiance and irradiance correction

The DROACOR® software has been built specifically for operational processing of large volumes of drone data which includes fully automatic operation in a batch or cloud computing environment. This software leads to higher consistency for large scale UAV data processing without the need of frequent deployment of reference panels in the field.

Optimized for low flight altitudes (i.e. < 2 km above ground)
Consistent image acquisitions and meta data (e.g. EXIF) required