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It has been recognized for some years that the use of computer graphics systems has great potential for improving man/computer communication. In the past, however, the high cost of graphics hardware, and the lack of accepted principles for graphics programming, prevented the widespread use of such systems. Recently, hardware has become more readily available, and efforts have been made to develop graphics software standards. This report presents an overview of one of the proposed standards, the Core System, and also discusses a portable subroutine library, based on the the Core System, that has been developed for use at McMaster University. This library, called SSOCS, is written in Pascal, and allows a user to produce two-dimensional images without regard to the characteristics of the graphics devices being used. / Thesis / Master of Science (MS)

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Magister Commercii - Mcom (Political Studies) / This thesis focuses on the National Prosecuting Authority (NPA) of South Africa between 1998 and 2017, by looking at whether it acts as an independent institution and if it strengthens the quality of democracy in the country. The research addresses various sub-research questions such as, what is independence? What is a quality democracy? Is the NPA able to foster democratic accountability? It further assesses to which extent executive influence and leadership instability affect the independence of the NPA, by looking at the relationship between the executive – the state Presidents’ and government officials – and the NPA, over the years, in terms of the law practiced. And lastly, whether the role of ANC has affected the NPA. These questions arise out of my interest to understand the NPA in terms of its constitutional mandate and how it impacts democracy. The principal concepts used to date indicates that democracy comprises several procedural norms. These democratic norms – accountability, the constraint of executive power, the separation of powers, and the rule of law form the bases for my research study; while other integral factors include independence, state capture, and dominant party systems. The research methodology for this thesis incorporated qualitative research, a case study, and triangulation. The research also included interviews, with Advocate Shaun Abrahams, Dr Silas Ramaite, Advocate Vusi Pikoli, Advocate Glynnis Breytenbach, Mr Steven Swart, Mr Lawson Naidoo, Mr Paul Hoffman, Dr Jeff Rudin, Professor Lukas Muntingh, Professor Lovell Fernandez, Mr Gareth Newham, and Advocate Mike Pothier as the interviewees. The data analysis and synthesis suggest that the lack of oversight of the NPA alongside the political dominance of the ANC has allowed for an infiltration of political influence within the institution resulting in the selective prosecution of high-profile cases. The data highlights the blurring of lines as a result of state capture which has tainted the NPA’s independence. The importance of this research study lies in the relationship of the NPA and democracy, as an erosion of the NPA essentially correlates with the weakening of democracy. Therefore it is vital to protect our independent institutions, like the NPA, as they strengthen our democracy, assist in upholding the rule of law and the Constitution.

Magister Artium - MA / This thesis focuses on the National Prosecuting Authority (NPA) of South Africa between 1998 and 2017, by looking at whether it acts as an independent institution and if it strengthens the quality of democracy in the country. The research addresses various sub-research questions such as, what is independence? What is a quality democracy? Is the NPA able to foster democratic accountability? It further assesses to which extent executive influence and leadership instability affect the independence of the NPA, by looking at the relationship between the executive – the state Presidents’ and government officials – and the NPA, over the years, in terms of the law practiced. And lastly, whether the role of ANC has affected the NPA. These questions arise out of my interest to understand the NPA in terms of its constitutional mandate and how it impacts democracy. The principal concepts used to date indicates that democracy comprises several procedural norms. These democratic norms – accountability, the constraint of executive power, the separation of powers, and the rule of law form the bases for my research study; while other integral factors include independence, state capture, and dominant party systems. The research methodology for this thesis incorporated qualitative research, a case study, and triangulation. The research also included interviews, with Advocate Shaun Abrahams, Dr Silas Ramaite, Advocate Vusi Pikoli, Advocate Glynnis Breytenbach, Mr Steven Swart, Mr Lawson Naidoo, Mr Paul Hoffman, Dr Jeff Rudin, Professor Lukas Muntingh, Professor Lovell Fernandez, Mr Gareth Newham, and Advocate Mike Pothier as the interviewees. The data analysis and synthesis suggest that the lack of oversight of the NPA alongside the political dominance of the ANC has allowed for an infiltration of political influence within the institution resulting in the selective prosecution of high-profile cases. The data highlights the blurring of lines as a result of state capture which has tainted the NPA’s independence. The importance of this research study lies in the relationship of the NPA and democracy, as an erosion of the NPA essentially correlates with the weakening of democracy. Therefore it is vital to protect our independent institutions, like the NPA, as they strengthen our democracy, assist in upholding the rule of law and the Constitution.

<p>This Master’s Thesis was part of the project called Multimodalanalysis at the Depart-ment of Biomedical Engineering and Informatics at the Ume˚ University Hospital inUme˚ Sweden. The aim of the project is to develop multivariate measurement anda,analysis methods of the skeletal muscle physiology. One of the methods used to scanthe muscle is functional ultrasound. In a study performed by the project group datawas aquired, where test subjects were instructed to follow a certain exercise scheme,which was measured. Since there currently is no superior method to analyze the result-ing data (in form of ultrasound video sequences) several methods are being looked at.One considered method is called Independent Vector Analysis (IVA). IVA is a statisticalmethod to find independent components in a mix of components. This Master’s Thesisis about segmenting and analyzing the ultrasound images with help of IVA, to validateif it is a suitable method for this kind of tasks.First the algorithm was tested on generated mixed data to find out how well itperformed. The results were very accurate, considering that the method only usesapproximations. Some expected variation from the true value occured though.When the algorithm was considered performing to satisfactory, it was tested on thedata gathered by the study and the result can very well reflect an approximation of truesolution, since the resulting segmented signals seem to move in a possible way. But themethod has weak sides (which have been tried to be minimized) and all error analysishas been done by human eye, which definitly is a week point. But for the time being itis more important to analyze trends in the signals, rather than analyze exact numbers.So as long as the signals behave in a realistic way the result can not be said to becompletley wrong. So the overall results of the method were deemed adequate for the application at hand.</p> / Multimodalanalys

I denna studie undersöks hur journalister på Sveriges och Irlands största dagstidningar, Dagens Nyheter och Irish Independent, rapporterar om abort under perioden 1 januari - 1 augusti 2012. Studiens teoretiska utgångspunkt har inspirerats av Jesper Strömbäcks teori om mediernas gestaltningsmakt. Carol Lee Bacchis ‘What´s the problem’-approach har gett en förståelse för att abortfrågan ses på olika sätt i olika delar av världen. Bill Kovach och Tom Rosenstiels journalistiska riktlinjer har varit utgångspunkt för vad som förväntas av yrkesverksamma journalister världen över. För att besvara hur journalisterna på de båda tidningarna rapporterar om abort genomfördes en kvantitativ analys som omfattade 152 texter. Den kvantitativa analysen kompletterades med en kvalitativ analys av fem texter från varje tidning. Studien visar att de ideologiska och kulturella strukturer som återfinns i samhället i hög grad återspeglas i hur journalister rapporterar om abort. Abort omskrivs med en högre acceptans i Dagens Nyheter och mer konservativt i Irish Independent. Samtidigt är svenska journalisters rapportering om abort mer likriktad än de irländska journalisternas, som visar på en bredare spann av åsikter och sätt att se på abortfrågan. Det finns inte enbart skillnader i hur irländska och svenska journalister rapporterar om abort. Studien visar att även om journalisterna har olika syn på abortfrågan ser de på den som makthavarnas ansvar - inte individens. Svenska journalisters rapportering om abort blir även mer lik de irländska journalisternas när abortfrågan övergår till att handla om det mer etiskt känsliga ämnet fosterdiagnostik.