Media Server 24.4
IDOL Media Server Help

# GetClassifierSnapshotStatistics

Returns statistics about the performance of a classifier snapshot.

Snapshots are generated automatically during training, but only when you enable them. For more information about snapshots, refer to the Media Server Administration Guide and the documentation for the action SetClassifierTrainingOption.

Before attempting to view statistics, you must generate the statistics by running the action TestClassifierSnapshot.

Type: synchronous

Parameter | Description | Required
--- | --- | ---
`classifier` | The name of the classifier. | Yes

## Example

    /action=GetClassifierSnapshotStatistics&classifier=vehicles

## Response

The response includes statistics for one or more snapshots.

    <autnresponse>
        <action>GETCLASSIFIERSNAPSHOTSTATISTICS</action>
        <response>SUCCESS</response>
        <responsedata>
            <snapshot>
                <snapshotindex>0</snapshotindex>
                <overallstatistics>
                    <f1score>0.81</f1score>
                    <precision>0.87</precision>
                    <recall>0.75</recall>
                </overallstatistics>
                <classstatistics>
                    <class>
                        <identifier>car</identifier>
                        <f1score>0.86</f1score>
                        <precision>0.79</precision>
                        <recall>0.95</recall>
                    </class>
                    <class>
                        <identifier>van</identifier>
                        <f1score>0.72</f1score>
                        <precision>0.61</precision>
                        <recall>0.88</recall>
                    </class>
                    <class>
                        <identifier>motorcycle</identifier>
                        <f1score>0.93</f1score>
                        <precision>0.96</precision>
                        <recall>0.91</recall>
                    </class>
                </classstatistics>
            </snapshot>
            <snapshot>
                <snapshotindex>1</snapshotindex>
                ...
                ...
            </snapshot>
            <snapshot>
                <snapshotindex>2</snapshotindex>
                ...
                ...
            </snapshot>
        </responsedata>
    </autnresponse>

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Version 24.4 | Last updated September 2024

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Product: IDOL Media Server 24.4

Topic Title: GetClassifierSnapshotStatistics