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To calculate the statistics, you first need to classify OK and NOK

Status
colourGreen
titleok
and
Status
colourRed
titleng
images by hand or using the Smart sorting function. It is also possible to select multiple images at once using the Shift key and classify them in bulk. After you submit your classification, click the Show Result button.

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The statistics result shows a Confusion Matrix confusion matrix, which illustrates how the predicted (evaluated by application) and actual (annotated for statistics) results correspond (or do not) to each other.

There can be 4 results, as shown in this image:

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  • True positive (TP) - A user classified the image as ‘Good’

    Status
    colourGreen
    titleok
    and the application evaluated the image as ‘Good’
    Status
    colourGreen
    titleok
    .

  • False positive (FP) - A user classified the image as ‘Bad’

    Status
    colourRed
    titleng
    but the application evaluated the image as ‘Good’
    Status
    colourGreen
    titleOK
    .

  • False negative (FN) - A user classified the image as ‘Good’

    Status
    colourGreen
    titleok
    but the application evaluated the image as ‘Bad’
    Status
    colourRed
    titleng
    .

  • True negative (TN) - A user classified the image as ‘Bad’

    Status
    colourRed
    titleng
    and the application evaluated the image as ‘Bad’
    Status
    colourRed
    titleng
    .

The matrix shows how many images ended up in each of those categories.

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Inside the finished report, you can toggle whether rectangles and heatmaps should be shown on the evaluated images, choose to filter out images (e.g. show only images where ‘predicted’ predicted is different from ‘actual’ actual, images predicted as Good/Bad or images actually Good/Bad), sort them (by date or name), search for a specific image by name/regex or switch the language of the report. The report also shows the model of GPU that was used and the creation date of the report.

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