{"thcode":2,"term":{"code":574,"name":"image analysis","parent":189,"scope":"Pattern analysis of the shapes and textures of images to identify features and derive information about them."},"uf":[],"bt":[{"code":189,"name":"computational methods","parent":734,"scope":"Mathematical techniques used to analyze numerical data."},{"code":734,"name":"methods","parent":1,"scope":"Techniques, methods, procedures, or strategies for research, management, collection, or analysis of scientific information in USGS."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[{"code":2265,"name":"structure from motion","parent":574,"scope":"Mathematical analysis, using photogrammetric principles, of multiple images that depict the same subject from different angles to derive geometrical information and relationships in three-dimensional space that are not inherent in any single image. Often used for deriving land elevation or large scale orthoimagery from a collection of aerial photographs."}],"rt":[{"code":447,"name":"geography","parent":291,"scope":"Study of the earth's landforms, topography, and climate, the distribution of flora and fauna, and the distribution, culture, and activities of human populations."},{"code":472,"name":"geospatial analysis","parent":1085,"scope":"Detailed study of information such as measurements, counts, and computations as a function of geographical location."},{"code":1085,"name":"spatial analysis","parent":189,"scope":"Use of quantitative tools to study social, economic, and geographic data in relation to distributions and patterns in geographic space."}]}