Estimating Biomass and Nitrogen Amount of Barley and Grass Using UAV and Aircraft Based Spectral and Photogrammetric 3D Features

Roope Näsi, Niko Viljanen, Jere Kaivosoja, +4

Remote Sensing

Precision AgricultureEnvironmental MonitoringEngineeringLand UseForestry +16

Automatic Detection of Buildings and Changes in Buildings for Updating of Maps

Leena Matikainen, Juha Hyyppä, Eero Ahokas, +2

Remote Sensing

EngineeringChange DetectionBuilding TechnologyBuilding DesignSocial Sciences +15

Digital Airborne Photogrammetry—A New Tool for Quantitative Remote Sensing?—A State-of-the-Art Review On Radiometric Aspects of Digital Photogrammetric Images

Eija Honkavaara, Román Arbiol, Lauri Markelin, +11

Remote Sensing

EngineeringMeasurementPhotogrammetric ProcessEarth ScienceImage Analysis +18

Machine learning estimators for the quantity and quality of grass swards used for silage production using drone-based imaging spectrometry and photogrammetry

Raquel Alves de Oliveira, Roope Näsi, Oiva Niemeläinen, +9

Remote Sensing of Environment

Precision AgricultureEnvironmental MonitoringEngineeringAgricultural EconomicsTerrestrial Sensing +16

Direct Reflectance Measurements from Drones: Sensor Absolute Radiometric Calibration and System Tests for Forest Reflectance Characterization

Teemu Hakala, Lauri Markelin, Eija Honkavaara, +8

Sensors

Environmental MonitoringEngineeringMultispectral ImagingForestryTerrestrial Sensing +26

Geometric test field calibration of digital photogrammetric sensors

Eija Honkavaara, Eero Ahokas, Juha Hyyppä, +5

ISPRS Journal of Photogrammetry and Remote Sensing

Sensor CalibrationDigital Photogrammetric SensorsEngineeringMeasurementCalibration +5

A Permanent Test Field for Digital Photogrammetric Systems

Eija Honkavaara, Jouni Peltoniemi, Eero Ahokas, +7

Photogrammetric Engineering & Remote Sensing

EngineeringMeasurementEducationComprehensive Field-testingImage Analysis +17

Direct reflectance transformation methodology for drone-based hyperspectral imaging

Juha Suomalainen, Raquel Alves de Oliveira, Teemu Hakala, +4

Remote Sensing of Environment

Direct Reflectance WorkflowEnvironmental MonitoringReflectance FactorsEngineeringAerospace Engineering +13

Characterizing Seedling Stands Using Leaf-Off and Leaf-On Photogrammetric Point Clouds and Hyperspectral Imagery Acquired from Unmanned Aerial Vehicle

Mohammad Imangholiloo, Ninni Saarinen, Lauri Markelin, +7

Forests

Precision AgricultureEngineeringForest BiometricsBotanyLand Use +17

A Process for Radiometric Correction of UAV Image Blocks

Eija Honkavaara, Teemu Hakala, Lauri Markelin, +3

Photogrammetrie - Fernerkundung - Geoinformation

RadarEngineeringAerial RoboticsRadiometric CorrectionSynthetic Aperture Radar +4