Sökresultat

Artificiell intelligens används för att känna igen detaljerade vägnätverk med hjälp av flygfotografi och data från OpenStreetMap. Modellen kan känna replikera körfiler och deras riktning, men inte alltid hur dessa ansluter vid korsningar. Utmaningen med att skapa detaljerade kartor Att ha tillgång till detaljerade och korrekta digitala kartor över transportnätverk är avgörande för områden som navAccess to detailed network data is often constrained by access-controlled datasets or by extensive manual labour. This study addresses the challenge by proposing a novel approach to extract lane-level road topology graphs at signalised intersections. The aim is to predict intersection topologies directly from aerial imagery and a simplified OpenStreetMap road-level graph using neural networks, bri

Machine learning models can analyze physiological data, such as electroencephalography (EEG), for various classification tasks. One such task is Auditory Attention Decoding (AAD), aimed at identifying the sound a person is actively attending to, offering significant benefits for users of hearing aids. However, EEG data often exhibits a low signal-to-noise ratio, and its collection is often expensi

In this thesis general formulas for calculating variance and total variance for the dynamics of distributed averaging in discrete time are presented. These formulas are derived by building on previous notions and ideas of stability measures and convergence. In doing so, a framework for quantifying stability of distributed averaging models through variance and total variance is provided. In additio

Oh dear god, how can something so simple become this hard? It’s just a house, I’ve lived in houses before, my entire life actually. But now I’m the one who’s designing it, for me and my family. All of a sudden, this fundamental thing of living and creating a home gets all rusty with the patina of pressure. I can’t oversee anything, I can’t take things for granted. Now, it’s time to decide, or shou

The Atlantic Multidecadal Variability (AMV) is a variation in sea surface temperature (SST) in the North Atlantic with a period of about 60-90 years. The drivers of this mode of variability are largely unknown as observational data only go back 150 years. Global climate models can help us better understand the AMV and its drivers and this thesis investigates how the AMV behaves in the Earth system

This thesis studies how subject extractions are accepted in Scandinavian (Danish, Norwegian, Swedish and Fenno-Swedish) through an extensive acceptability judgment study. The results from the study were compared with previous research and analyzed against accounts on why subject extraction constraints occur and why the acceptance of subject extractions in Scandinavian vasty varies. The subject ext

Inom algebra finns det ett koncept som heter kohomologi. Från början kom det från topologi: till ett rum kan man associera en mängd algebraiska strukturer, nämligen kohomologigrupperna av rummet, som berättar om vissa egenskaper rummet har. Man märkte relativt snabbt att sådana strukturer kunde användas i fler situationer, och på så vis föddes ämnet homologisk algebra. Det man såg var att man kundWe provide an introduction to the basic theory of triangulated categories and t-structures, and cover these in detail with a particular focus on recollements, roughly speaking gluings. Triangulated categories are a convenient setting for developing foundational results in homotopical algebra, and t-structures allow a refinement of this by imposing that objects have a kind of "grading" on

The topic of unequal regional development is well-studied, and evening those inequalities out has long been a core priority for the European Union, deemed necessary for sustainable long-term growth across the EU. Even so, many regions seem to be ‘left behind’ or treated as though they ‘don’t matter’, and the ‘populist vote’ for Euroskeptic, ‘anti-systemic’ parties has grown steadily throughout the

Global population growth presents challenges to sustainable food and energy produc- tion. Transitioning to renewable energy sources, like solar power, requires significant land allocations, conflicting with the need for arable farmland. Agrivoltaics (AV) offers a potential solution by integrating crops and solar panels on the same land. Ensuring consistent and adequate agricultural output alongsid

Elektrolys som komplement till reformering av metan Elektrolys och reformering av metan är metoder för att producera vätgas. Kan en elektrolysör adderas till en reformeringsanläggning och minska både koldioxidutsläpp och produktionskostnader? Elektrolys sker då vattenmolekylerna splittras med hjälp av el till väte och syre, detta görs med en elektrolysör. För att analysera fördelarna av att komple

Livet kan ibland tolkas som ett svårt pysselspel; det är många bitar som måste tas till hänsyn och läggas på rätt plats för att kunna få ihop en klar och korrekt bild på det hela. På den biologiska och samtidigt mikroskopiska skalan gäller detsamma för protein och peptider (ett kortare protein) som är ganska viktiga pysselbitar som ansvarar för de flesta funktioner i kroppen. Här behöver man inte Natriuretic peptides (NPs), such as atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP), are hormones produced in the heart’s cardiomyocytes. ANP has been shown to form amyloids, which prevent the heart from functioning properly, ultimately increasing the risk of congestive heart failure (CHF). BNP also has been found in amyloid structures within the heart. Here, multiple algorith

With the development of the global economy and human society, population growth and urbanization, water resources are becoming more and more important, and the monitoring of water resources is also crucial. Therefore, this article designed a system for monitoring PH level in water, and designed a wireless transmission system based on LoRa technology. According to the actual application requir

The Mandarin Chinese grammatical marker le has long been a major focus of grammatical research in Chinese linguistics, yet no definition of its semantics has been able to comprehensively account for the marker's full range of functions and uses. Therefore, the aim of the present study is to identify all major meanings expressed by each conventionally accepted le type in a sentence, and investi

Sedan början av 2000-talet har mängden anskaffad materiel bland anställda i Försvarsmakten ökat. Det är i huvudsak personlig utrustning. Detta trots att Försvarsmakten har tydliga regler och instruktioner som säger att det inte är tillåtet. Anledningen till detta är många. De stora anledningarna är tillgängligheten till att via internet kunna, som privatperson, köpa egen militär personlig utrustni

Låneförbuden i den svenska aktiebolagslagen (ABL) utgör kapitalskydds-regler och innefattar två separata förbudsbestämmelser. Först, ett generellt låneförbud, ofta benämnt som förbudet mot närståendelån, som specificeras i 21 kap. 1§ ABL. Detta förbud hindrar aktiebolag från att låna ut pengar till exempelvis styrelsemedlemmar, aktieägare i bolaget, eller andra bolag inom samma koncern. För det anThe loan prohibitions in the Swedish Aktiebolagslagen (ABL) constitute capital protection rules and mainly encompass two separate prohibition provisions. First, a general loan prohibition, often referred to as the prohibi-tion against loans to related parties (närståendelåneförbudet), which is specified in ABL chapter 21, section 1. This prohibition prevents Swedish limited companies (Sw. aktiebol

Användning av maskininlärning i veterinärmedicinsk blodanalys Blodanalys är ett viktigt diagnostiskt verktyg inom både human- och veterinärmedicin tack vare den omfattande fysiologiska informationen blod kan förtälja. Idag finns det automatiska, digitala analysmetoder tillgängliga som möjliggör mer effektiv analys samt minskad variation mellan olika observatörer. Blod analyseras oftast i en regioCurrent automated haematology systems lack the functionality of avian blood analysis using 10x magnification, which is an important feature as it allows for faster and more cost-effective blood analysis. The problem originates from the difference in red blood cell morphology in avian blood compared to mammalian blood, as the former are nucleated. The project was divided in two objectives, finding

This study investigates the effects of a linguistic self-distancing technique during reflection on affect, challenge versus threat appraisal, and anticipatory stress for individuals in high-stress occupations. Research in the laboratory suggests that reflections using non-first-person pronouns can reduce emotional reactivity to stressors, improve challenge appraisal, and reduce stress anticipation

Evacuation models can be reliably used if they are sufficiently validated for the application in question (e.g. Fire Safety Engineering). To be useful, an evacuation model should therefore be an accurate enough representation of the real-world behaviour of evacuees. The scope of this work was to determine how accurately the model crowd:it (making use of the Optimal Steps Model) provides a represen

Det byggs fler solenergianläggningar än någonsin, och det är en utveckling som bara ser ut att fortsätta under de kommande åren. Solcellsmodulerna som används i dessa så kallade solparker produceras och installeras idag med en beräknad livstid på minst 25 år; 25 år där de förväntas producera elektricitet och samtidigt konstant exponeras för olika väderförhållanden. Av alla installerade solcellsmodMore solar power plants are being built than ever, and the number only seems to increase every year. The photovoltaic modules used in these plants are manufactured and installed today with an estimated lifetime of a minimum of 25 years; 25 years of constant exposure to various weather conditions, and 25 years of expected power production. As 90 % of all installed PV modules are less than 10 years