Search results

In this paper we investigate, determine and classify the critical configurations for solving structure and motion problems for 1D retina vision. We give a complete categorization of all ambiguous configurations for a 1D (calibrated or uncalibrated) perspective camera irrespective of the number of points and views. It is well-known that the calibrated and uncalibrated case are linked through the ci

Popular Abstract in Swedish Varje år insjuknar ungefär 450 000 kvinnor i livmoderhalscancer (cervixcancer) i världen. Som en följd av screening för livmoderhalscancer, där kvinnor testar sig regelbundet för cellförändringar, har insjuknandet i livmoderhalscancer minskat. Det cellprov som används i screeningen lyckas dock inte upptäcka alla kvinnor som har ökad risk för framtida cancer. Humant papiDifferent types of human papillomavirus (HPV) vary in the extent they cause precursor lesions (CIN) and cancer. There are limited long-term efficacy data on HPV testing in primary screening Among 72 cervical cancers in Mozambique, HPV 16 and 18 were the most frequent HPV types (69% of cases). Comparing 108 cervical cancers cases and 517 matched controls nested within a population-based cohort in

For at least a decade, no new drug principles have been added to the therapeutic armamentarium for the treatment of lower urinary tract symptoms (LUTS) associated with or suggestive of benign prostatic hyperplasia (BPH). Theoretically, there seem to be several possibilities to improve the current treatment, which is based mainly on alpha1-adrenoceptor (AR) antagonists, 5alpha-reductase inhibitors

A summary of the aging and material validation studies carried out for the ATLAS Transition Radiation Tracker (TRT) is presented. Particular emphasis is put on the different phenomena observed in straw tubes operating with the chosen Xe/CF4/CO2 mixture. The most serious effects observed are silicon deposition on the anode wire and damage of the anode wire gold plating. Etching phenomena and active

Education is the foundation for achieving sustainable development. The United Nations Decade of Education for Sustainable Development declared from January 2005 to December 2014 demands a concerted effort to expand environmental education around the world. The Young Masters Program is an international education course, which utilises the internet to connect students, teachers, and tutors in differ

This paper describes an instrument - the Housing Enabler - used in the assessment of housing accessibility. The tool was developed from the original Enabler idea by Steinfeld et al (1979), resulting in an instrument for reliable assessment of the accessibility of the housing environment and the immediate outdoor environment in terms of occupational therapy. Apart from a description of the instrume

In this paper, we describe centering and noncentering methodology as complementary techniques for use in parametrization of broad classes of hierarchical models, with a view to the construction of effective MCMC algorithms for exploring posterior distributions from these models. We give a clear qualitative understanding as to when centering and noncentering work well, and introduce theory concerni

The weighted oscillator strengths (gf) and the lifetimes presented in this work were carried out in a multiconfiguration Hartree-Fock relativistic approach. In this calculation, the electrostatic parameters were optimized by a least-squares procedure, in order to improve the adjustment to experimental energy levels. This method produces gf-values that are in better agreement with intensity observa

Conjugate addition of Meldrum's acid to 2-cyclohexenone followed by direct cyclization in PPA/acetic acid constitutes a shorter, more reproducible and higher yielding route to bicyclo[2.2.2]octane-2,6-dione than previous methods. The crude dione could be used as substrate for the baker's yeast reduction to (IR, 4S, 6S)-bicyclo[2.2.2]octane-6-ol-2-one.

There are high hopes in Greenland that the country will go from being a nation of fishermen to a nation of oil producers. But what do we really know about the prospects? Our thesis investigates how favourable the geological, economic and institutional conditions are for building a self-­sustaining economy in Greenland based on its hydrocarbon resources. The geological conclusions are encouraging.

Datering med accelerator? Måhända låter det otympligt, men när det handlar om att datera med hjälp av sällsynta slag av grundämnen kan varje atom räknas. Då handlar det om att kunna räkna enskilda atomer, vilket är möjligt med acceleratorbaserad masspektrometri, AMS. Lunds Universitet har en accelerator anpassad just för den här sortens mätningar, vilken främst nyttjas av institutionerna för fysiFor decades, accelerator mass spectrometry (AMS) has been used for radiocarbon dating. The background of this technique is outlined along with an in-depth look at the graphitization process used to prepare samples for AMS analysis. The technology necessary to achieve the vacuum quality needed in graphitization and accelerator mass spectrometry is discussed as well. The graphitization system belong

Reklam kan inte ses som en isolerad kommunikation mellan företag och konsumenter, den existerar i samtiden, i en kontext och i ett samhälle som låter sig påverkas av den. Vad som exponeras i det offentliga påverkar de uppfattningar och föreställning människor har om omvärlden i ett långsiktigt perspektiv. Syftet med studien är att undersöka och skapa förståelse för hur reklambyråer hanterar balans