Image Explanations

Understanding how complex models make predictions is essential for promoting transparency, trust, and identifying potential biases. Model explainers offer insights into feature influence on outcomes, supporting debugging and model refinement.

We are going to demonstrate model explanations using Alibi Explain's Anchor Images method, taking note of the segments in an input image that influenced the prediction the most, as well as, observing the Anchor's Precision and Coverage metrics.

In this demo we will:

• Launch an image classification deployment

• Send prediction requests to the deployment

• Create an explainer for the deployment

• Generate explanations for previously sent prediction requests

The model used in this demo was trained to classify images based on the .

Create a Seldon Deployment

1. Click on Create new deployment button.

2. Enter the deployment details as follows:

   • Name: cifar10-classifier

1. Configure the default predictor as follows:

   • Runtime: Triton (ONNX, PyTorch, Tensorflow, TensorRT)

   • Model Project: default

1. Click the Next button until the end and, finally, click Launch.

2. If your deployment is launched successfully, it will have Available status.

Get Predictions

We will make a prediction request using the image of a frog from the cifar10 dataset. The image is a JSON file in the REST format of the .

1. Click on the cifar10-classifier deployment created in the previous section to enter the deployment dashboard.

2. Inside the deployment dashboard, click on the Predict button.

3. On the Predict page, click on Browse

Add an Anchor Image Explainer

1. From the cifar10-classifier deployment dashboard, click Add inside the Model Explanation card.

2. For step 1 of the Explainer Configuration Wizard, select the Image model data type and click Next.

1. For step 2, make sure Anchor is selected, then click Next.

2. For step 3, enter the following values in the Explainer URI tab:

   • Explainer URI:

1. Click the Next button until the end, and finally, click Launch.

After a short while, the explainer should become available.

Get an explanation for the request

Now that the explainer is available, we can make use of it to generate an explanation for the prediction request we made earlier.

1. Click on the cifar10-classifier deployment created in the previous sections to enter the deployment dashboard.

2. Navigate to the Requests page using the left navigation drawer, and you will see the request you made earlier.

3. Click on the View explanation button to generate an explanation for the request.

1. After a few seconds, the explanation should be generated and displayed on the page.

Congratulations, you've created an explanation for the request! 🥳

Next Steps

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