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Popular Abstract in English The ultimate goal of computer vision is to make computers "see" like humans do. Toward this goal, one essential step is to enable computers to perceive a three-dimensional (3D) space as in the real world. In this thesis, we investigate the problem of reconstructing a 3D scene model from ordinary two-dimensional (2D) images. More specifically, given a set of images of thThis thesis is focused on geometric computer vision problems. The first part of the thesis aims at solving one fundamental problem, namely low-rank matrix factorization. We provide several novel insights into the problem. In brief, we characterize, generate, parametrize and solve the minimal problems associated with low-rank matrix factorization. Beyond that, we give several new algorithms based o

The empirical-bias bandwidth selector (EBBS) is a method for data-driven selection of bandwidths for local polynomial regression. It is a bandwidth selection method for estimation of the mean-function and its partial derivatives of any order as well as for estimation of the variance-function. Moreover EBBS allows for univariate as well as multivariate predictor variables. In this paper we introd

This is the first study indicating an association between gradually diminished risk of fractures and years of increased physical activity. Our results could imply great benefits not only for the individual but also for the healthcare burden and cost of society.

Popular Abstract in English Consumption of multimedia content is one of the main tasks we perform in our day-to- day lives, such as listening to music on an iPod or watching the news from an online steaming service. As technology has evolved and enabled easier access to different content (basically access anything anywhere), our consumption has grown. In only the last decades we have evolved from Multimedia has become one of the cornerstones of our 21st century society and, when combined with mobility, has enabled a tremendous evolution of our society. However, joining these two concepts introduces many technical challenges. These range from having sufficient performance for handling multimedia content to having the battery stamina for acceptable mobile usage. When taking a projection of w

Purpose. To create a retina consisting mainly of photoreceptors for future use as donor tissue in retinal transplantation. Methods. Fetal full-thickness neuroretinas from Sprague Dawley rats 17 (E17) or 20 (E20) days post conception were placed in culture for 7 or 14 days. Explants and age-matched control retinas were examined by light microscopy and with a panel of immunohistochemical markers lab

Background:Dilatation of cranial vessels has been proposed as a part of the cascade that initiates an episode of migraine. This is based on the observation that intravenous administration of several substances with vasodilator properties can trigger migraine-like symptoms in migraineurs.Methods:We used in vitro myography of human cerebral arteries and in vitro pressurized arteriography of rat midd

Mechanical load through physical activity has been shown to be one of the best stimuli to increase the bone strength. This effect of mechanical load accounts for both the accrual of bone mineral and structural skeletal adaptations. Exercise prescription also includes a "window of opportunity" in the late pre- and early peri-pubertal period, where exercise is supposed to insert the most obvious ben

Genom EU-rätten och Sveriges konventioner om social trygghet ingår Försäkringskassan och andra svenska socialförsäkringsorgan i internationella administrativa samarbetsstrukturer. I dessa utbyts uppgifter om enskilda i fråga om exempelvis namn, familjeförhållanden och hälsotillstånd. I artikeln undersöks hur Försäkringskassan ska delta i sådant informationsutbyte och samtidigt tillämpa den svenska

A matched case-referent study was conducted to investigate the risk of gastrointestinal cancer in cement workers. All male cases of cancer in esophagus, stomach, colon and rectum in the period 1922-1988 from two parishes surrounding a cement plant were identified. For each case, four referents were chosen, matched to age and year of death. Employment in the cement plant was confirmed as from plant

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Limited data exist on surgical providers and their scope of practice in low-income countries (LICs). The aim of this study was to assess the distribution and productivity of all surgical providers in an LIC, and to evaluate correlations between the surgical workforce availability, productivity, rates, and volume of surgery at the district and hospital levels.