In this workflow we pre-process the image data, which we will use throughout the following example workflows.
Please note: The workflow series is heavily inspired by the great blog-post of François Chollet (see https://blog.keras.io/building-powerful-image-classification-models-using-very-little-data.html.)
1. Workflow 01 Preprocess image data: In this workflow we pre-process the image data, which we will use throughout the following example workflows. You can download the data from https://www.kaggle.com/c/dogs-vs-cats/data (file train.zip) and unzip it to a desired location.
2. Workflow 02 Train simple CNN
3. Workflow 03 Fine-tune VGG16 Python
4. Workflow 04 Fine-tune VGG16
In order to run the example, please make sure you have the following KNIME extensions installed:
- KNIME Deep Learning - Keras Integration (Labs)
- KNIME Image Processing (Community Contributions Trusted)
- KNIME Image Processing - Deep Learning Extension (Community Contributions Trusted)
- KNIME Image Processing - Python Extension (Community Contributions Trusted)
- KNIME Streaming Execution (Labs)
You also need a local Python installation that includes Keras. Please refer to https://www.knime.com/deeplearning#keras for installation recommendations and further information.
To use this workflow in KNIME, download it from the below URL and open it in KNIME:
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