Search for dissertations about: "Using laser scanning to detect"

Showing result 1 - 5 of 10 swedish dissertations containing the words Using laser scanning to detect.

  2. 1. Mapping and monitoring of vegetation using airborne laser scanning

    Author : Mattias Nyström; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : In this thesis, the utility of airborne laser scanning (ALS) for monitoring vegetation of relevance for the environmental sector was investigated. The vegetation characteristics studied include measurements of biomass, biomass change and vegetation classification in the forest-tundra ecotone; afforestation of grasslands; and detection of windthrown trees. READ MORE

  4. 2. Mobile robot fault detection using multiple localization modules

    Author : Paul Sundvall; Bo Wahlberg; Patric Jensfelt; Fredrik Gustafsson; KTH; []
    Keywords : ;

    Abstract : Most applications in service robotics require that the position of the robot is accurately known. Faults affecting the localization system can thus have serious effects on the overall performance. READ MORE

  5. 3. Interaction mechanisms of pulsed laser beams at different wavelengths with matter

    Author : Olga Yalukova; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Manufacturing Systems Engineering; Produktionsutveckling;

    Abstract : This thesis presents an investigation of the interaction mechanism involved in processing of different engineering materials using pulsed TEA CO2- and Nd:YAG lasers. Several methods were used. Digital Speckle Photography (DSP) or Speckle Correlation was used to detect micro-structural changes in the material surface during laser irradiation. READ MORE

  6. 4. Small-Scale Dosimetry for the Testis: Applications in Nuclear Medicine Diagnostics and Therapy

    Author : Suaad Meerkhan; Lund Medicinsk strålningsfysik; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Testis; 111-In; Autoradiography; Biodistribution; Small-Scale; Monte Carlo; Dosimetry; spermatogonia; gammaH2AX; immunofluorescence;

    Abstract : It is well known that the testicles are among the most radiosensitive tissue, and constitute an important critical target for both external and internal radiation during diagnostic and therapeutic use of radionuclides. In systemic radionuclide therapy where very high activities are administered, the testis may become a dose-limiting organ; often with a complex, non-uniform activity distribution and a resulting non-uniform absorbed-dose distribution. READ MORE

  7. 5. Tree stem diameter estimation from terrestrial point clouds

    Author : Mona Forsman; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Forest owners, governments, and environmental organizations demand forest information for planning of forest operations, estimation of value, and for environmental monitoring. This information is collected using airborne and satellite remote sensing combined with field inventory of sample plots. READ MORE