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Recently I wrote an article about getting all prediction scores from your ML.NET model. So, when we want to do this for an ONNX model we have loaded with ML.NET, that should work the same, right?

Not really. Depending on the version of ML.NET, the datatypes of the downloaded Azure Custom Vision ONNX model are very hard to map on the .NET datatypes we use.

In this article I will show how we can get the labels and scores from an ONNX model prediction in C#.

Recently I wrote an article about getting all prediction scores from your ML.NET model. So, when we want to do this for an ONNX model we have loaded with ML.NET, that should work the same, right?

Not really. Depending on the version of ML.NET, the datatypes of the downloaded Azure Custom Vision ONNX model are very hard to map on the .NET datatypes we use.

In this article I will show how we can get the labels and scores from an ONNX model prediction in C#.

read more...
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When predicting with an ML.NET model you trained yourself, you might be interested in just more than the highest scoring label. But how do you get the other labels and their corresponding scores?

In this article I will show how to you can get these values.

When predicting with an ML.NET model you trained yourself, you might be interested in just more than the highest scoring label. But how do you get the other labels and their corresponding scores?

In this article I will show how to you can get these values.

read more...
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YAML is a data serialization standard that is intended to be human friendly. For example, it reduces the use of delimiters quite drastically compared to other formats like JSON.

Some YAML file authors might push the boundary for readability even further by having a property where the value can be a sequence with zero or more values, or just a scalar if there is only a single value. Reducing the number of delimiters someone has to read or write even further.

How can this work with C#, a strongly typed language?

YAML is a data serialization standard that is intended to be human friendly. For example, it reduces the use of delimiters quite drastically compared to other formats like JSON.

Some YAML file authors might push the boundary for readability even further by having a property where the value can be a sequence with zero or more values, or just a scalar if there is only a single value. Reducing the number of delimiters someone has to read or write even further.

How can this work with C#, a strongly typed language?

read more...
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When you have created a machine learning model, you will retrain that model when new data is available. But when I recently added a couple of images to the training set of my own ML.net model, I was faced with the following exception:

System.InvalidOperationException: 'The asynchronous operation has not completed.'

The application did work for weeks, so what has changed? And more importantly, how to fix this situation?

When you have created a machine learning model, you will retrain that model when new data is available. But when I recently added a couple of images to the training set of my own ML.NET model, I was faced with the following exception:

System.InvalidOperationException: 'The asynchronous operation has not completed.'

The application did work for weeks, so what has changed? And more importantly, how to fix this situation?

read more...
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When using a Docker Registry, like hub.docker.com, you will not often want to delete a published version of an image. You cannot know if someone, somewhere in the world is using that specific version.

But when using a repository as part of your CI/CD pipeline, you might have lots of versions that are not used by anyone anymore. So, what if you want to clean the repository automatically?

In this article, I will show how the delete images by tag, using PowerShell and the Docker Registry HTTP API V2.

When using a Docker Registry, like hub.docker.com, you will not often want to delete a published version of an image. You cannot know if someone, somewhere in the world is using that specific version.

But when using a repository as part of your CI/CD pipeline, you might have lots of versions that are not used by anyone anymore. So, what if you want to clean the repository automatically?

In this article, I will show how the delete images by tag, using PowerShell and the Docker Registry HTTP API V2. This API is implemented by registries, like the Azure Container Registry service.

read more...