Classification

The following parameters need to be adjusted when the classification model package is imported into this Step.

Model Package Settings

Model Manager Tool

Parameter description: This parameter is used to open the deep learning model package management tool and import the deep learning model package. The model package file is a “.dlkpack” or “.dlkpackC” file exported from Mech-DLK.

Tuning instruction: Please refer to Deep Learning Model Package Management Tool for the usage.

Model Name

Parameter description: This parameter is used to select the model package that has been imported for this Step.

Tuning instruction: Once you have imported the deep learning model package, you can select the corresponding model name in the drop-down list.

DI Algo Type Translated String

Parameter description: Once a Model Name is selected, the DI Algo Type Translated String will be filled automatically.

GPU ID

Parameter description: This parameter is used to select the device ID of the GPU that will be used for the inference.

Tuning instruction: Once you have selected the model name, you can select the GPU ID in the drop-down list of this parameter.

Pre-Process

ROI Path

Parameter description: This parameter is used to set or modify the ROI.

Tuning instruction: Once the deep learning model is imported, a default ROI will be applied. If you need to edit the ROI, click Open the editor. Edit the ROI in the pop-up Set ROI window, and fill in the ROI name.

Before the inference, please check whether the ROI set here is consistent with the one set in Mech-DLK. If not, the recognition result may be affected.

During the inference, the ROI set during model training, i.e. the default ROI, is usually used. If the position of the object changes in the camera’s field of view, please adjust the ROI.

If you would like to use the default ROI again, please delete the ROI file name below the Open the editor button.

Post-Process

Inference Configuration

Parameter description: This parameter is used to configure parameters related to classification model package inference. You can click Open the editor to open the inference configuration window. The parameters and their description included in this window are shown in the following table.

Parameter Parameter Description Tuning Instruction

Confidence Threshold

This parameter is used to set the confidence threshold in the process of classification. The results above this threshold will be kept.

Please set the parameter according to your actual needs.

Show Class Activation Map (“Show All Parameters” Enabled)

This parameter is used to display the class activation map for identifying the image regions that are most relevant to the classification. Blue indicates that the region contributes the least to the classification while red indicates that the region contributes the most to the classification.

In Mech-Vision 1.7.2 and above, when Show Class Activation Map is selected, the model package inference is slow.

Dilation

Description: This parameter is used to increase the mask area for the deep learning algorithm. When the size of the mask is smaller than that of the target object, there will be defects in the extracted point cloud, especially the edge point cloud. Therefore, it is recommended to enable Dilation to expand the mask to avoid missing data in the extracted point cloud.

Default value: Disabled

Kernel Size

Description: This parameter is used to set the kernel size for dilation. The larger the kernel size, the stronger the dilation effect.

Default value: 3 px

Tuning recommendation: Please adjust the value according to the actual requirement after enabling Dilation.

Visualization Settings

Customize Font Size

Parameter description: This parameter determines whether to customize the font size in the visualized outputs. Once this option is selected, you should set the Font Size (0–10).

Default value: Unselected.

Tuning recommendation: Please set this parameter according to your actual needs.

Font Size (0–10)

Parameter description: This parameter is used to set the font size in the visualized outputs.

Default value: 3.0

Tuning recommendation: Please set this parameter according to your actual needs.

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