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Measurements of heart rate without contact can be of much importance when the possibilities of skin contact for different reasons are limited, or for monitoring at distance over time. This is an emerging area in our time, and the idea to construct a working system to demonstrate the technique was therefore born. The work has been performed at the Department of Biomedical Engineering at LTH. The m
Continuous Delivery (CD) has today become an essential part of software development for a reliable and automated quality assurance process. However, the challenge of introducing CD starts with setting up a CD pipeline and providing the necessary infrastructure for it, which may take a considerable amount of time and require expertise knowledge. This complex and costly implementation will also requ
This thesis investigates the use of artificial neural networks for classifying Raman spectra of partially degraded cellulose samples by fungal species. A multilayer perceptron configuration of 4 hidden layers and 128 hidden nodes was able to classify a set of 60 samples with an overall prediction accuracy of 0.55. Results show that data resolution is an important factor when optimizing classifier
An ongoing trend the last couple of years has been the intense reporting of an increased amount of deliberate vehicle fires in Sweden. As the overall assumption in society is that the number of deliberate vehicle fires is steadily increasing, a statistic model trying to investigate this was made. In 1998, the share of deliberate car fires were estimated to 12%, the same number in 2015 was 38%, ind
The liver oil from C. monstrosa (rat fish) has traditionally been used as a natural remedy in the area around Skagerrak, since it is believed to have a wound healing and analgesic effects. On its back the rat fish carries a vigorous venom spine connected to glandular cells, which secrets toxins. A previous study shows that extract from the liver and venom glands had a cytotoxic activity on A. naup
Today's blockchain applications have been inherently created by and for users who understand the blockchain technology. To improve mass adoption of blockchain solutions, the user experience must improve, and the attention must move to users not familiar with the underlying technology. This dissertation starts with reviewing the main concepts of blockchain technology and examining the UX of dif
I mitt yrkesliv har jag varit verksam i ett antal olika organisationer inom samma bransch, både som anställd och på mellanchefsnivå. Det har fått mig att fundera på dels hur företag som till synes är ganska lika med samma verksamhet och målsättning ändå kan vara så olika? I denna uppsats tar jag utgångspunkt i hur det är att vara mellanchef. Att vara mellanchef innebär att vara den person som befi
Motivation and identity have been vastly investigated within second language acquisition (SLA). These issues are restrained by their complex and dynamic natures, which indicate that they are far from easy to research. The purpose of this essay was to continue traditional areas of research in order to add to empirical knowledge. The attempt was to show that systematic research is necessary in order
Det här examensarbetet har till avsikt att fördjupa och aktualisera kunskapen om vilka skolvägsutredningsmetoder som är bäst lämpade för att klarlägga en förbättrad trafikmiljö för barn. Arbetet består av två huvuddelar: den ena är en litteraturstudie som granskar tidigare kunskap inom området kring skolvägsutredningar och den andra delen består av skolvägsutredning via en digital respektive tradi
Is experimental case study on how to design a modern adventure playground using 3D printing and Recycled materials, as a way of integrating minor newcomers.
Insect pollinators, such as bees, provides us with important ecosystem services. Unfortunately, a decline in key pollinators has been seen globally. Habitat loss and fragmentation, e.g, caused by urbanization, have been pointed out as important driving factors of pollinator declines. However, studies have also shown that species richness of pollinators can be greater in urban than in rural habitat
Georg Pauli belonged to a group of artists known as the Opponents, due to their opposition of the way art education, exhibitions, and allocation of grants was managed by the The Royal Swedish Academy of Fine Arts (Kungliga Akademien för de fria konsterna). Their oppositional work resulted in the formation of the Arts Association (Konst¬närs¬förbundet) in 1886. In a series of books and articles, in
Language anxiety is one of the most difficult issues teachers face in the English classroom today. The area is vast and complex and not much research has been done with a practical focus. This study investigates how the Fogg behavior model can be used to identify foreign language anxiety, and how anxiety affects English learners in a Swedish context. I noticed that there was an inadequate amount o
