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CIR orthophoto

CIR orthophotos are recorded using infrared, red, and green (IR, R, G) bands, resulting false color images. The central sections of the images are selected for mosaicing. Photogrammetrically processed images are orthorectified and georectified. The planimetric accuracy is the same as the GSD. The mosaicing method ensures the best color matching between images and produces a gap-free mosaic.

Description

CIR orthophotos are recorded using infrared, red, and green (IR, R, G) bands, resulting false color images. The central sections of the images are selected for mosaicing. Photogrammetrically processed images are orthorectified and georectified. The planimetric accuracy is the same as the GSD. The mosaicing method ensures the best color matching between images and produces a gap-free mosaic.

Advantages

Thanks to the false color image display, the live vegetation is red. The intensity of red refers to the quantity of biomass of the plants; the redder the pixel, the greater the amount of biomass. From this product an NDVI index map can be derived, which indicates the vegetation activity of a region and correlates with the photosynthetic activity of the plants. It is suitable for the analysis of plant health and maturity.

Parameters

format: tif + tfw or geotiff; GSD; bit depth (8 or 16 bits), classically 60/80 overlap in photogrammetry block; max. tilt of bulidings (controlled by the overlay of the photogrammetric block)

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