Introduction to Labeling Tools

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You can use labeling tools to add labels and hence provide data for deep learning training.

OK/NG Labels

Use the OK Label OK label tool or the NG Label NG label tool to label an image as OK or NG.

  • Select an image from the image list and then click the OK Label or the NG Label. The image will be labeled as OK or NG.

OK or NG label tool

Mask Tool

If there are some irrelevant parts that may interfere with model training/inference, you can use the Mask Tool to cover such parts. The masked parts will not be involved in training/inference.

You can choose among the following three mask tools built in the software according to actual needs.

Mask Polygon Tool

  1. Click tools introduction mask polygon icon (or press Shift + P on the keyboard)

  2. Set Mask fill.

  3. Click the first position (vertex) in the selection area, then click the second one, third one, etc., to draw the labels, and right-click to finish.

Mask Brush Tool

  1. Right-click tools introduction mask polygon icon and then click tools introduction mask pen icon (or press Shift + B on the keyboard)

  2. Set Mask fill and Brush size.

  3. Long press the left mouse button in the selection area, move in any direction, and then release the left mouse button to finish the drawing.

Mask Lasso Tool

  1. Right-click tools introduction mask polygon icon and then click tools introduction mask lasso icon (or press Shift + N on the keyboard)

  2. Set Mask fill.

  3. Long press the left mouse button in the selection area and move in any direction to form closed shapes with the starting point.

Mask Eraser Tool

The Mask Eraser Tool can be used to erase the masks.

  1. Click tools introduction mask eraser icon (or press Shift + E on the keyboard)

  2. Long press the left mouse button in the selection area and move in any direction.

    Adjust the slider to change the eraser size.

ROI Tool

You can use the ROI Tool to set the region of interest.

Setting the ROI can avoid interferences from the background.

  1. Click tools introduction roi icon (or press O on the keyboard).

  2. Adjust the ROI frame in the selection region.

  3. Click the tools introduction OK button in the lower right corner of the ROI to save the setting, or click the tools introduction cancel button to disable the ROI Tool.

  4. Click the Reset button in the upper left corner of the image to reset the ROI.

Select Tool

You can use the Select Tool to scale images.

  1. In the labeling toolbar, click tools introduction select icon (or press F on the keyboard) to select the Select Tool.

  2. Place the cursor in the labeling area of the image and use the mouse wheel to scroll forward to zoom in and scroll backward to zoom out.

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