Sökning: "användning av bilder"
Visar resultat 16 - 20 av 25 avhandlingar innehållade orden användning av bilder.
16. Studies on the use of digital radiography for the assessment of periapical bone lesions
Sammanfattning : The aim was to study digital radiography and to evaluate the influence of image processing on digital dental radiographs for the assessment of periapical lesions. In four studies, artificial bone lesions were made periapically and interradicularly in the mandibular premolar and molar regions. LÄS MER
17. Image Quality Optimisation and Dose Management in CT, SPECT/CT, and PET/CT
Sammanfattning : The significant increase in the use of CT, alone or combined with SPECT or PET, has raised concerns about patient radiation exposure and the consequent increased risk of malignancy later in life. The overall objective of this work was to evaluate and optimise different approaches for minimising patient radiation absorbed dose and maintaining or improving image quality in CT, SPECT/CT, and PET/CT. LÄS MER
18. Pornografi och sexuell exponering bland unga män och kvinnor
Sammanfattning : Denna licentiatavhandling rör unga, pornografi och sexuell exponering; närmare bestämt unga mäns användning av pornografi, samt framför allt unga kvinnors sexuella exponering på internet. Sexuella representationer finns närvarande i vardagen och pornografikonsumtionen har ökat med internets utveckling, företrädesvis bland ungdomar. LÄS MER
19. Diffuse Optical Spectroscopy and Imaging of Turbid Media
Sammanfattning : This thesis deals with optical spectroscopy and imaging of complex and strongly scattering turbid media. Focus is mainly placed on three topics, being i) diffuse optical spectroscopy of choroidal tumors, ii) gas spectroscopy in scattering materials using the GASMAS (gas in scattering media absorption spectroscopy) technique, and iii) luminescence diffuse optical imaging and tomography of tissues. LÄS MER
20. Laser Absorption Spectroscopy of Gas in Scattering Media
Sammanfattning : Absorption spectroscopy constitutes a chemical analysis tool which can be applied to various samples and application fields. This thesis focuses on gas absorption spectroscopy with the means of diode lasers - tunable diode laser absorption spectroscopy, TDLAS. LÄS MER