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6143 Uppsatser om Computer science - networks and communications - Sida 47 av 410

Naturlig haptisk kraftåterkoppling från volymdata

As the volumes are entering the world of computer graphics the pure volume visualisation becomes a more important tool in for example research and medical applications. But the advance in haptics --- force feedback from the computer --- is behind. In volume haptics no equal to the proxy method so popular in surface haptics has yet emerged. Some implementations of volume haptics even use surfaces as intermediate representations so that surface haptics can be used.The intention of this work was to create natural feeling haptic feedback from volumetric density data using pure volume haptics. The haptic algorithm would be implemented in Reachin API for the Reachin Desktop Display, together with other parts to build up a usable volume visualisation environment.To achieve the feeling of stiffness and friction dependent on tissue type, a proxy based method was developed.

Naturskolan- en metod till lärande? : Outdoor teaching - A method for learning?

The purpose of this essay is to find an answer to whether the methodology used by the Naturskolan conduces to learning and also if the Naturskolan, as a method of its own, leads to an increased interest in natural science for the pupils participating in the classes at the Naturskolan.The method which has been used to reach the results of the study is a quantitative opinion poll. The results reached through the study has been compared to previous research in the subject. Deeper studies were made to examine however the interest of the pupils was influenced by their visit at the Naturskolan.The results of the study show an increase of interest in natural science after visiting the Naturskolan. It also shows that the teachers? interest in natural science and outdoor pedagogy has increased by the visit at the Naturskolan.Through this study we came to the conclusion that the Naturskolan is a good method to learning..

NTA i förskola : En studie i hur förskollärare upplever att arbeta med NTA

AbstractThis study deals with NTA in preschool and the purpose of the study is to find out how the NTA project works out in practice. In the empirical study I have used questionnaires as a research method (Trost2001). Questionnaires have been sent to preschool teachers in the whole of Sweden to get as good a selection as possible. The responses received have been processed and analyzed. The results are reported below.The majority of the teachers thought it worked well to work with the NTA.

Simulerad interaktiv arbetsmiljö : Från teori till design och implementering

This is a thesis on D-level. In a previous course, at our program Computer Science, we came up with an idea of how to improve/complement training for new employees who are situated in a stressful workplace at companies who are in a constant need of rehiring. We developed this concept and came up with an idea for a simulator that could train staff as well as relieve stress and tension for new employees. The idea matured and became a Serious Game simulator based on a dual-wield Wii-controlled PC-based simulator with Bluetooth support.The purpose of this paper is to produce a design concept for a simulator as well as conducting research on the topics: mental and physical learning abilities, psychomotor abilities, visual perception, hand-eye coordination, confidence, simulators and Serious Games. The conducted research will be the foundation for the design concept which will be implemented in our co-workers', Henrik Djerf & Daniel Gomez-Ortega, prototype.

Teknikens betydelse i en lärande miljö : Datoranvändandets betydelse i undervisningen för elever i åk 7 i en Stockholmsförort

We live in a society that is constantly developing and where technology is getting a more major roll. The school is a very important part of our society and should therefore develop in pace with the surrounding society. Having this in our thoughts we decided that our purpose for this case study should be to study the importance of technology in a learning environment for seventh graders in a specific school. To be able to find this out, we have used constructivism and sociocultural perspective on learning. We have gathered our empirical data for the study through participant observations and a focus group interview.

Vem kliar min rygg? : En studie av företagares uppfattning om personliga nätverk

AbstractPeople and organizations that network with one another have during the past decades, at a larger extent than before, replaced classical hierarchies. These networks have become increasingly important, as the globalisation has amplified the pressure for focused and flexibleorganizations. There is a risk of restraining the inventiveness of the firm and force customers and suppliers into cooperation by a too great commitment and dedication to the network. There are two sides to every penny, positive and negative aspects of networking.Concerning the negative approach to networking, there is relatively little theory present. The theory is regarded an emerging theory.

Datorbaserad bedömning i språk forskningsläge, erfarenheter och implikationer

To support uniform and fair assessment of Swedish students? English language competences, mandatory National tests are provided both for secondary and upper secondary education. The current thesis may be seen as a contribution to the further development and validation of these tests, with regard to the likely introduction of computerized testing methods. The aim is to gain further knowledge from current research in the field, to study and elucidate international experiences of implementation, and to gather and analyze feedback from students and teachers. Based on my findings, some tentative conclusions will be drawn, and recommendations made concerning future developments.

Demokrati i förändring : En studie om hur synen på demokrati har förändrats i samhällskunskapsläroböcker över tid

AbstractIn the paper, democracy's development and change are studied in Swedish textbooks related to social science. The study?s starting point is that the picture of democracy provided to students has changed over time. The study aims to see how the view on democracy has altered in Swedish textbooks in social science. In order to examine this, I have studied seven textbooks, from 1945 to 2006, in social science.

[demos.v1.0] till [demos.v2.0] : En fallstudie av modifierbarhet

This report is an examination paper in computer science at University of Växjö. The report will focus on the possibility to create adaptable systems and to cost calculate the work needed to modify a system to meet new demands. A project [demos] developed by Interactive Institute studio [12-21] in Växjö is the starting point in our work. They have during a period of two years developed a prototype of a system which intends to get youth and democratic selected representatives a communication platform where they may communicate with SMS. Today they are in a position when they want to develop the system for other user groups with slighter different purpose and to do that they need a more flexible system.

Bibliotekarier i privat sektor

The aim of this thesis is to accomplish an understanding on how librarians experience their professional role at private companies. The study is based on qualitative interviews with persons who have a degree in Library and Information science, but does not work as an ordinary librarian. To answer why the respondents work at private companies, this thesis dwells on how the education in library and information science prepares their students to face an alternative career; why the respondents wants to work at private firms instead of a library; if the salary is a key factor in order to choose a career; if the respondents think the companies appreciate their qualifications, and finally, if the respondents think they intrude on other professions' territory? Working at a private company, with a degree in library- and information science, is not, according to the respondents, easy. Although appreciated by their knowledge in the field of information, the interviewees think that the title librarian is hard to cope with.

Tillförlitlighet i klinisk användning för två förståelighetstest på svenska för barn i åldrarna 4-10 år

Intelligibility is a central concept in speech-language pathology regarding assessment and treatment of speech. At present, there is no reliable or valid Swedish test for measuring intelligibility. The main purpose of the current study was to conduct a clinical trial of the computer-based intelligibility test ?Swedish test of intelligibility for children? and to investigate the test?s reliability. Another purpose was to investigate the reliability of the rating form ?Intelligibility in context scale?.

Produktutformning av en ny snöskoter

Detta examensarbete är det avlutande momentet på civilingenjörsutbildningen Ergonomisk design och produktion vid Luleå tekniska universitet. Målet med projektet är att designa en helt ny skotermodell exteriört. Tyngdpunkten i projektet är utseendet men även andra aspekter behandlas, så som ergonomi, materialval och tekniska lösningar. En Internetbaserad enkätundersökning, marknadsundersökning samt systematisk problembehandling ligger till grund för designen av fyra grundkoncept. Dessa undersöks genom strukturerat konceptval samt samråd med uppdragsgivaren.

Forensic Carving from Unallocated Space

Computer Forensics investigations have become more and more common while investigating IT-related issues. From experience, hard disks, USB thumb, memory sticks contains information that might be useful. Computer Forensics is regulary conducted by Police, Customs, Tax investigators but also within private companies and organisations. However, there are areas within the storage device that are not part of the organisied structure that a file system gives. The reason for that might be that the information has been erased by intention, a virus destroyed the file system and so on.

Avståndsvarnare till Mobiltelefon

This report describes a study, description and testing of parts to an application adapted to the operating system Android. The application is supposed to measure the distance to a car ahead. Apart from distance measurements the ability of the application to calculate its own speed with the help of GPS is tested. From these two parameters, speed, distance and some constants the theoretical stopping distance of the car will be calculated in order to warn the driver if the car is too close to the car ahead in relation to its own speed and stopping distance.Tests were conducted on the different applications that were programmed and the result showed that the camera technique in the mobile phone itself limits the maximum distance of the distance measurement application. The max distance the tests in this thesis revealed was approximately 5 meters.

Dominerande affärsmodeller inom området informationssäkerhet

Computers together with Internet have been growing enormously, during the last decade and the area of information technology has been growing in the same speed. As long as the surrounding environment evolves, the business models must within the IT-area, keep the same pace. So, how do business corporations handle this change to attract customers? How do the dominant business models look like? In many cases, they are apparently much the same. But what differences can we see and what areas can be improved? We have showed that the IT area isn?t just one, it consist of several segments.

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