Search for dissertations about: "Digital Colour Photography"

Found 3 swedish dissertations containing the words Digital Colour Photography.

  2. 1. Colour Correction of Underwater Images Using Spectral Data

    Author : Julia Åhlén; Ewert Bengtsson; Jussi Parkkinen; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Bildanalys; Colour; Correction; Attenuation; Coefficient; Underwater; Bildanalys; Image analysis; Bildanalys; Computer science;

    Abstract : For marine sciences sometimes there is a need to perform underwater photography. Optical properties of light cause severe quality problems for underwater photography. Light of different energies is absorbed at highly different rates under water causing significant bluishness of the images. READ MORE

  4. 2. Multivariate non-invasive measurements of skin disorders

    Author : Josefina Nyström; Britta Lindholm-Sethson; Paul SLU Geladi; Lars Noergaard; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Multivariate Data Analysis; Non-invasive techniques; Clinical studies; Principal Component Analysis; Partial Least Squares Discriminant Analysis; Wilcoxon Signed Rank Sum Test; Near-InfraRed spectroscopy; Frequency Bio Impedance Analysis of whole body; Laser Doppler Imaging; Digital Colour Photography; Analytical chemistry; Analytisk kemi;

    Abstract : The present thesis proposes new methods for obtaining objective and accurate diagnoses in modern healthcare. Non-invasive techniques have been used to examine or diagnose three different medical conditions, namely neuropathy among diabetics, radiotherapy induced erythema (skin redness) among breast cancer patients and diagnoses of cutaneous malignant melanoma. READ MORE

  5. 3. Screening for diabetic retinopathy : aspects of photographic methods

    Author : Gunvor von Wendt; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Diabetic retinopathy; diabetic maculopathy; screening; retinal photography; photographic fields; grading scale; inter-observer agreement; inter-method agreement; monochromatic photography; retinal neovascularizations; sight-threatening diabetic retinopathy;

    Abstract : Diabetic retinopathy (DRP) is a major cause of acquired blindness and visual impairment among people of working age as well as those aged 65 years or more. About 3-4% of the population has diabetes mellitus, 35-65% of the diabetic patients have some type of DRP and 10-35% have sight-threatening retinopathy. READ MORE