Essays about: "Threshold segmentation"

Showing result 21 - 25 of 26 essays containing the words Threshold segmentation.

  1. 21. Automatic evaluation of breast density in mammographic images

    University essay from KTH/Skolan för teknik och hälsa (STH)

    Author : Tomas Björklund; [2012]
    Keywords : ;

    Abstract : The goal of this master thesis is to develop a computerized method for automatic estimation of the mammographic density of mammographic images from 5 different types of mammography units.   Mammographic density is a measurement of the amount of fibroglandular tissue in a breast. READ MORE

  3. 22. Application of image segmentation in inspection of welding : Practical research in MATLAB

    University essay from Högskolan i Borås/Institutionen Handels- och IT-högskolan

    Author : Jiannan Shen; [2012]
    Keywords : image segmentation; threshold; clustering;

    Abstract : As one of main methods in modern steel production, welding plays a very important role in our national economy, which has been widely applied in many fields such as aviation, petroleum, chemicals, electricity, railways and so on. The craft of welding can be improved in terms of welding tools, welding technology and welding inspection. READ MORE

  4. 23. Radar and Optical Data Fusion for Object Based Urban Land Cover Mapping

    University essay from KTH/Geodesi och geoinformatik

    Author : Alexander Jacob; [2011]
    Keywords : Data Fusion; Image Segmentation; Object based Mapping; Urban Land Cover; SAR; Radar; Multispectral; Region growing and merging;

    Abstract : The creation and classification of segments for object based urban land cover mapping is the key goal of this master thesis. An algorithm based on region growing and merging was developed, implemented and tested. The synergy effects of a fused data set of SAR and optical imagery were evaluated based on the classification results. READ MORE

  5. 24. Evaluation of Red Colour Segmentation Algorithms in Traffic Signs Detection

    University essay from Datateknik

    Author : Sitao Feng; [2010]
    Keywords : Traffic signs; Colour Segmentation; Dynamic Threshold Algorithm; A Modification of de la Escalera’s Algorithm; the Fuzzy Colour Segmentation Algorithm; Shadow and Highlight Invariant Algorithm.;

    Abstract : Colour segmentation is the most commonly used method in road signs detection. Road sign contains several basic colours such as red, yellow, blue and white which depends on countries.The objective of this thesis is to do an evaluation of the four colour segmentation algorithms. READ MORE

  6. 25. Nuclei Segmentation on Bright-Field Images

    University essay from Institutionen för informationsteknologi

    Author : Francisco Cruz Fernández; [2010]
    Keywords : ;

    Abstract : Nuclei segmentation is a common and complicated task in image analysis. There is no general solution for the problem, and depending on the image characteristics the segmentation can be performed in different ways. READ MORE