Optimization of illumination profiles in line-scan camera systems

Pasi Karjalainen (Corresponding Author), Timo Lappalainen

    Research output: Contribution to journalArticleScientificpeer-review

    1 Citation (Scopus)

    Abstract

    A method for the optimization of illumination in line-scan camera systems is proposed. By using this method it is possible to calculate the optimal positions and luminous intensities of the light sources to obtain the desired illuminance at a surface. The proposed method is especially suitable for producing uniform illumination on a line. The method can be used with several types of light source, because experimental general models can be used for the lamps. The method is based on the regularized least squares optimization. The performance of the method is evaluated by comparing the calculated and measured illuminances before and after the optimization.
    Original languageEnglish
    Pages (from-to)1301 - 1306
    Number of pages6
    JournalMeasurement Science and Technology
    Volume11
    Issue number9
    DOIs
    Publication statusPublished - 2000
    MoE publication typeA1 Journal article-refereed

    Keywords

    • illumination
    • image processing
    • cameras
    • scanners
    • optimization
    • machine vision
    • lines
    • wood
    • timber
    • analysis

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