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[Histological morphometric methods. II. Automatic analysers (author's transl)]

D Barres, M Durigon, J Mignot

    Annales De Pathologie
    |January 1, 1982
    PubMed
    Summary
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    Automated histological morphometric methods, including the NS 2000 image analyser, utilize image numeration, parameter extraction, and interpretation. The NS 2000 employs hardware algorithms for image analysis, demonstrated with breast carcinoma tissue sections.

    Area of Science:

    • Histological morphometrics
    • Digital image analysis
    • Biomedical instrumentation

    Context:

    • Histological morphometric methods are classified by automation level: manual, semi-automatic, and fully automatic.
    • Fully automated image analyzers include general-purpose software-controlled systems, limited hardware-controlled systems, and simple task instruments.
    • Automated image analysis involves three core steps: image numeration, parameter extraction, and parameter interpretation.

    Purpose:

    • To categorize histological morphometric methods based on automation.
    • To describe the classification of fully automated image analyzers.
    • To detail the procedural steps in automated image analysis and introduce the NS 2000 image analyser.

    Summary:

    • The NS 2000 image analyser falls under general-purpose systems with a limited repertoire, controlled by hardware programs.

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  • Its analysis procedure is based on a built-in hardware algorithm functioning through successive erosions.
  • The performance of the NS 2000 is illustrated using a breast carcinoma tissue section example.

    • Impact:

    • Provides a framework for understanding different levels of automation in histological image analysis.
    • Highlights the specific operational mechanism of the NS 2000 image analyser.
    • Demonstrates the practical application of automated image analysis in histopathology, specifically for breast carcinoma.
    • Contributes to the understanding of hardware-based algorithms in specialized image analysis instruments.