Search for dissertations about: "data pre-processing"

Showing result 1 - 5 of 61 swedish dissertations containing the words data pre-processing.

2. 1. Spatio-Temporal Pre-Processing Methods for Region-of-Interest Video Coding

   Author : Linda S. Karlsson; Tingting Zhang; Mårten Sjöström; Youzhi Xu; Apostolos Georgakis; Mittuniversitetet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Region-of-interest; video coding; pre-processing; spatio-temporal filters; Computer and systems science; Data- och systemvetenskap;

   Abstract : In video transmission at low bit rates the challenge is to compress the video with a minimal reduction of the percieved quality. The compression can be adapted to knowledge of which regions in the video sequence are of most interest to the viewer. READ MORE

4. 2. Normalization and analysis of high-dimensional genomics data

   Author : Mattias Landfors; Patrik Rydén; Rebecka Jörnsten; Umeå universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; normalization; pre-processing; microarray; downstream analysis; evaluation; sensitivity; bias; genomics data; gene expression; spike-in data; ChIP-chip; Mathematical Statistics; matematisk statistik;

   Abstract : In the middle of the 1990’s the microarray technology was introduced. The technology allowed for genome wide analysis of gene expression in one experiment. Since its introduction similar high through-put methods have been developed in other fields of molecular biology. READ MORE

5. 3. Data mining of geospatial data: combining visual and automatic methods

   Author : Urška Demšar; Hans Hauska; Peter A. Burrough; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; geographic information science; geoinformatics; geovisualisation; spatial data mining; visual data mining; usability evaluation; Other information technology; Övrig informationsteknik;

   Abstract : Most of the largest databases currently available have a strong geospatial component and contain potentially useful information which might be of value. The discipline concerned with extracting this information and knowledge is data mining. Knowledge discovery is performed by applying automatic algorithms which recognise patterns in the data. READ MORE

6. 4. Applications of Knowledge Discovery in Quality Registries - Predicting Recurrence of Breast Cancer and Analyzing Non-compliance with a Clinical Guideline

   Author : Amir Reza Razavi; Nosrat Shahsavar; Arie Hasman; Linköpings universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Breast cancer; Clinical guidelines; Canonical correlation analysis; Data Mining; Data pre-processing; Decision tree induction; Knowledge Discovery in Databases; Medical informatics; Medicinsk informatik;

   Abstract : In medicine, data are produced from different sources and continuously stored in data depositories. Examples of these growing databases are quality registries. In Sweden, there are many cancer registries where data on cancer patients are gathered and recorded and are used mainly for reporting survival analyses to high level health authorities. READ MORE

7. 5. Development, analysis and implementation of pre-processing video filters

   Author : Håkan Norell; Mattias O´Nils; Danny Crookes; Mittuniversitetet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

   Abstract : The usage of video systems in households and industry has increased rapidly over the past few years. The benefits of visual processing, control and inspection have offered great opportunities for real-time video processing systems (RTVPS) for the general public as well as for heavy industries. READ MORE