Essays about: "Håkan Johansson"

Found 4 essays containing the words Håkan Johansson.

  1. 1. Secret Sharing with Threshold Schemes

    University essay from Linnéuniversitetet/Institutionen för matematik (MA)

    Author : Håkan Johansson; [2020]
    Keywords : Secret; sharing; threshold; schemes; cheating; shadow; dealer; Shamir; Blakley; Mignotte; Asmuth-Bloom;

    Abstract : In this thesis, four different methods for secret sharing with threshold schemes will be investigated. We will discuss theory, implementation and security aspects. For example, we show how some known attacks are implemented.The methods considered in this thesis, are the schemes by Shamir, Blakley, Mignotte and Asmuth-Bloom. READ MORE

  3. 2. Volume Raycasting Performance Using DirectCompute

    University essay from Blekinge Tekniska Högskola/Sektionen för datavetenskap och kommunikation

    Author : Håkan Johansson; [2012]
    Keywords : volume rendering; volume raycasting; directcompute; directx11; performance;

    Abstract : Volume rendering is quite an old concept of representing images, dating back to the 1980's. It is very useful in the medical field for visualizing the results of a computer tomography (CT) and magnet resonance tomography (MRT) in 3D. READ MORE

  4. 3. Taktisk planering med geografisk hänsyn : fallstudie med Heureka PlanVis på SCA Skogs distrikt Liden

    University essay from SLU/Dept. of Forest Resource Management

    Author : Håkan Johansson; [2012]
    Keywords : strategic planning; long term forest planning; forest management;

    Abstract : SCA is the largest private owned forest owner in Sweden, with an ownership of 2 million hectares of productive forestland. To manage the planning of such large areas and to fit the traditional organization structure of a Swedish forest company, the planning approach is subdivided into three stages; strategic, tactical and operational. READ MORE

  5. 4. Database Performance and Complexity in Visual DataFlex

    University essay from Institutionen för informationsteknologi

    Author : Håkan Johansson; [2009]
    Keywords : ;

    Abstract : This report is meant to be used when choosing a third-party database management system in combination with Visual DataFlex. The database managers that are included in this test are Microsoft SQL Server, Pervasive.SQL, Oracle and Embedded Database. READ MORE