Search for dissertations about: "J Bengtsson"

Showing result 1 - 5 of 10 swedish dissertations containing the words J Bengtsson.

  1. 1. Image Filtering Methods for Biomedical Applications

    Author : M. Khalid Khan Niazi; Ewert Bengtsson; Ingela Nyström; Lucas J. van Vliet; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Digital image analysis; Image filtering; Intensity inhomogeneity correction; Empirical mode decomposition; Particle Swarm optimization; Image registration; Computerized Image Processing; Datoriserad bildbehandling;

    Abstract : Filtering is a key step in digital image processing and analysis. It is mainly used for amplification or attenuation of some frequencies depending on the nature of the application. Filtering can either be performed in the spatial domain or in a transformed domain. READ MORE

  2. 2. Negative symptoms, repetitive transcranial magnetic stimulation and heart rate variability in schizophrenia and depression

    Author : Johan Bengtsson; Robert Bodén; Jonas Persson; Erik Olsson; Caroline Wass; Jimmi Nielsen; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; negative symptoms; psychotic disorders; affective disorders; non-invasive brain stimulation; transdiagnostics; psychometrics; autonomic nervous system; Psychiatry; Psykiatri;

    Abstract : Negative symptoms comprise anhedonia, avolition, and blunted affect. Although first described in schizophrenia, these symptoms share phenomenology with the depressive state. Pharmacological treatment has not been successful in reducing negative symptoms. READ MORE

  3. 3. Production of polyhydroxyalkanoates in biological treatment of industrial wastewaters

    Author : Simon Bengtsson; Bioteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polyhydroxyalkanoates; mixed cultures; glycogen accumulating organisms GAO ; feast and famine; acidogenic fermentation; activated sludge;

    Abstract : In search of more environmentally friendly polymer materials, polyhydroxyalkanoates (PHAs) have been considered as promising candidates. PHAs exhibit a broad range of material properties, can be produced from renewable resources and are completely biodegradable. READ MORE

  4. 4. Pictorial presentation of subclinical atherosclerosis : a measure to reduce the risk for cardiovascular disease

    Author : Anna Bengtsson; Margareta Norberg; Eva Fhärm; Per Wester; Mai-Lis Hellénius; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cardiovascular disease; non-adherence; pictorial information; prevention; subclinical atherosclerosis;

    Abstract : The overall aim was improved cardiovascular disease (CVD) prevention through the VIPVIZA intervention. This includes the provision of pictorial information of subclinical atherosclerosis to participants and their general practitioners (GPs), follow-up phone call, and written information to the participant. READ MORE

  5. 5. The Mystery of Inequality : Essays on Culture, Development, and Distributions

    Author : Olle Hammar; Daniel Waldenström; Niklas Bengtsson; Ingvild Almås; Uppsala universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Inequality; Culture; Development; Economics; Nationalekonomi;

    Abstract : Essay I (with Daniel Waldenström): We estimate trends in global earnings dispersion across occupational groups by constructing a new database that covers 68 developed and developing countries between 1970 and 2018. Our main finding is that global earnings inequality has fallen, primarily during the 2000s and 2010s, when the global Gini coefficient dropped by 15 points and the earnings share of the world’s poorest half doubled. READ MORE