Sökning: "multiresolution segmentation"

Hittade 2 uppsatser innehållade orden multiresolution segmentation.

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

    Magister-uppsats, Högskolan i Gävle/Samhällsbyggnad, GIS

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

    Sammanfattning : 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. LÄS MER

  3. 2. Evaluation of pixel based and object based classification methods for land cover mapping with high spatial resolution satellite imagery, in the Amazonas, Brazil

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Linnea Jonsson; [2015]
    Nyckelord :support vector machine; maximum likelihood; SPOT-5; classification; geography; physical geography; RBF-kernel; OBIA; multiresolution segmentation; Earth and Environmental Sciences;

    Sammanfattning : In the state of Acre, Brazil, there is ongoing land use change, where inhabitants of this part of the Amazonian rainforest practice shifting agriculture. Practicing this type of agriculture is, according to the SKY Rainforest Rescue organization, damaging to forest ecosystems. LÄS MER