Sökning: "Outlier detection"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden Outlier detection.

  1. 1. Data Modeling for Outlier Detection

    Detta är en avhandling från Karlskrona : Blekinge Tekniska Högskola

    Författare :Shahrooz Abghari; Blekinge Tekniska Högskola.; [2018]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; data modeling; cluster analysis; stream data; outlier detection;

    Sammanfattning : This thesis explores the data modeling for outlier detection techniques in three different application domains: maritime surveillance, district heating, and online media and sequence datasets. The proposed models are evaluated and validated under different experimental scenarios, taking into account specific characteristics and setups of the different domains. LÄS MER

  2. 2. Urban Change Detection Using Multitemporal SAR Images

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Osama Yousif; KTH.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Change detection; High resolution; Image denoising; Kittler-Illingworth; MAP-MRF; Multitemporal SAR images; Nonlocal means; Object-based; Otsu; Outlier detection; Remote sensing; SAR speckle; Urban; Geodesy and Geoinformatics; Geodesi och geoinformatik;

    Sammanfattning : Multitemporal SAR images have been increasingly used for the detection of different types of environmental changes. The detection of urban changes using SAR images is complicated due to the complex mixture of the urban environment and the special characteristics of SAR images, for example, the existence of speckle. LÄS MER

  3. 3. Conformal anomaly detection Detecting abnormal trajectories in surveillance applications

    Detta är en avhandling från Skövde : University of Skövde

    Författare :Rikard Laxhammar; Högskolan i Skövde.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Anomaly detection; conformal prediction; trajectory analysis; video surveillance; maritime surveillance; Technology; Teknik; Skövde Artificial Intelligence Lab SAIL ; Skövde Artificial Intelligence Lab SAIL ;

    Sammanfattning : Human operators of modern surveillance systems are confronted with an increasing amount of trajectory data from moving objects, such as people, vehicles, vessels, and aircraft. A large majority of these trajectories reflect routine traffic and are uninteresting. LÄS MER

  4. 4. Modelling the offset lithographic printing process

    Detta är en avhandling från Göteborg : Chalmers university of technology

    Författare :Cristofer Englund; Högskolan i Halmstad.; [2006]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Information technology Image analysis; TEKNIKVETENSKAP Informationsteknik Bildanalys; Neural networks; Self-organizing map; Data mining; Outlier detection; Leverages; Committee; Adaptive modelling;

    Sammanfattning : A concept for data management and adaptive modelling of the offset lithographic printing process is proposed. Artificial neural networks built from historical process data are used to model the offset printing process aiming to develop tools for online ink flow control. LÄS MER

  5. 5. Modelling and controlling an offset lithographic printing process

    Detta är en avhandling från Göteborg : Chalmers university of technology

    Författare :Cristofer Englund; Högskolan i Halmstad.; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Information technology Image analysis; TEKNIKVETENSKAP Informationsteknik Bildanalys; Neural networks; Self-organizing map; Data mining; Outlier detection; Committee; Multiple models; Colour print control;

    Sammanfattning : The objective of this thesis is to provide methods for print quality enhancements in an offset lithographic printing proess. Various parameters characterising the print quality are recognised, however, in this work print quality is defined as the deviation of the amount of ink in a sample image from the reference print. LÄS MER