The current paper aims at presenting multitemporal monitoring oftwo crop fields using close-range aerial photogrammetrictechniques with a combination of sten jacket m different sensors.A fixed-wing unmanned aerialvehicle was used to map the crops click here regularlyin 2016 and 2017.The goal ofthe following study isto show the experimental results of an enhanced keypoint number extraction of NIR and TIR images and the importance of radiometric calibration of close-range data.