Martin van Leeuwen
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View article: The Fifth Phase of the Radiation Transfer Model Intercomparison Exercise (RAMI-V): Experiment Description and Results on Actual Canopy Scenarios
The Fifth Phase of the Radiation Transfer Model Intercomparison Exercise (RAMI-V): Experiment Description and Results on Actual Canopy Scenarios Open
This paper presents the latest results of the radiation transfer model intercomparison (RAMI) of the realistic vegetation scenarios. RAMI-V included the same one-dimensional (1D) and 3D scenes of RAMI-IV phase and 2 new realistic ones, def…
View article: Towards an improved understanding of the influence of subpixel vegetation structure on pixel-level spectra: a simulation approach
Towards an improved understanding of the influence of subpixel vegetation structure on pixel-level spectra: a simulation approach Open
The planned NASA Hyperspectral Infrared Imager (HyspIRI) mission, equipped with an imaging spectrometer that has the capability of monitoring ecosystems globally, will provide an unprecedented opportunity to address scientific challenges r…
View article: Understanding limits of species identification using simulated imaging spectroscopy
Understanding limits of species identification using simulated imaging spectroscopy Open
Imaging spectroscopy is a powerful tool for mapping and monitoring the spatial distribution of species compositions. Most spectroscopy studies rely on extensive field campaigns to assess classification accuracies against ground-truth sampl…
View article: Multiview Marker-Free Registration of Forest Terrestrial Laser Scanner Data With Embedded Confidence Metrics
Multiview Marker-Free Registration of Forest Terrestrial Laser Scanner Data With Embedded Confidence Metrics Open
Terrestrial laser scanning has demonstrated increasing potential for rapid comprehensive measurement of forest structure, especially when multiple scans are spatially registered in order to reduce the limitations of occlusion. Although mar…
View article: Towards an Improved LAI Collection Protocol via Simulated and Field-Based PAR Sensing
Towards an Improved LAI Collection Protocol via Simulated and Field-Based PAR Sensing Open
In support of NASA’s next-generation spectrometer—the Hyperspectral Infrared Imager (HyspIRI)—we are working towards assessing sub-pixel vegetation structure from imaging spectroscopy data. Of particular interest is Leaf Area Index (LAI), …
View article: Marker-Free Registration of Forest Terrestrial Laser Scanner Data Pairs With Embedded Confidence Metrics
Marker-Free Registration of Forest Terrestrial Laser Scanner Data Pairs With Embedded Confidence Metrics Open
Terrestrial laser scanning (TLS) has emerged as an effective tool for rapid comprehensive measurement of object structure. Registration of TLS data is an important prerequisite to overcome the limitations of occlusion. However, due to the …