Essays about: "Isak Hast"

Found 2 essays containing the words Isak Hast.

  1. 1. Automating Geographic Object-Based Image Analysis and Assessing the Methods Transferability : A Case Study Using High Resolution Geografiska SverigedataTM Orthophotos

    University essay from Högskolan i Gävle/Samhällsbyggnad, GIS

    Author : Isak Hast; Asmelash Mehari; [2016]
    Keywords : automatic training area selection; scale parameterisation; multiresolution segmentation; classification rule-sets; positional accuracy;

    Abstract : Geographic object-based image analysis (GEOBIA) is an innovative image classification technique that treats spatial features in an image as objects, rather than as pixels; thus resembling closer to that of human perception of the geographic space. However, the process of a GEOBIA application allows for multiple interpretations. READ MORE

  2. 2. Quality Assessment of Spatial Data: Positional Uncertainties of the National Shoreline Data of Sweden

    University essay from Högskolan i Gävle/Avdelningen för Industriell utveckling, IT och Samhällsbyggnad

    Author : Isak Hast; [2014]
    Keywords : spatial data; NSL; positional accuracy; uncertainty; quality; RMSE;

    Abstract : This study investigates on the planimetric (x, y) positional accuracy of the National Shoreline (NSL) data, produced in collaboration between the Swedish mapping agency Lantmäteriet and the Swedish Maritime Administration (SMA). Due to the compound nature of shorelines, such data is afflicted by substantial positional uncertainties. READ MORE