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Updating of maps
The Finnish Geodetic Institute aims at developing automatic methods to be used in the updating process.
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Using the intensity information in laser scanning
A standard lidar survey produces a point cloud consisting of the topographic information (e.g., position in x,y,z) and the intensity (I).
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Application of Remote Sensing for Estimation of Agricultural Crop Production
Due to increasing consumption of food in the world and due to increasing cooperation of agriculture policy between European countries the importance of annual crop production estimation has been increased.
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New goals and metrics guide the NLS’s sustainability activities
The National Land Survey of Finland has updated its sustainability programme and goals for 2025–2030.
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30-years of Finland in ESA: Earth Observation growing strong in Finland with Arctic Satellite Calibration and Validation Center and new space opportunities
Earth Observation growing strong in Finland with Arctic Satellite Calibration and Validation Center and new space opportunities
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Development of block adjustment methods
The knowledge of the orientation of the images taken from airborne or space platforms is needed before the images can be exploited.
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Changes to delimitation rules for built real estate
The National Land Survey has changed the delimitation rules in the service Statistical information on real estate transactions. The delimitation rules were changed because there was a quality deviation in the Official purchase price register. The change affects statistics on built real estate with one-family homes from 2013 onwards.
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Orientation of aerial and satellite images without using targeted ground control
Solving orientations, i. e. parameters of the mathematical model of imaging, is an inevitable task when utilising aerial and satellite images
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EPSG register for coordinate systems and transformations updated regarding Finnish systems
The National Land Survey of Finland (NLS) maintains national reference systems in Finland. Reference systems are often used by referring to a coordinate or height system using the EPSG register’s code.
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Quality of direct georeferencing and calibration of direct georeferencing systems
The direct georeferencing is based on integration of GPS and IMU.
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