# Image Classification

This section describes the actions that you can use to train image classification.

NOTE: Apart from ListClassifiers, ListClasses, and GetClassImage, all of these actions are administrative actions. Administrative actions can be sent only by users who belong to an authorization role that allows the `Admin` standard role, or which enables the action explicitly. See Authorization Roles Configuration Parameters.

AddClassImages | Adds training images to an object class.
AddClassMetadata | Adds custom metadata (a key-value pair) to an object class.
BuildClassifier | Trains a classifier so that it can be used for image classification.
CreateClass | Adds a new object class to a classifier.
CreateClassifier | Creates a new, empty, classifier for use with image classification.
ExportClassifier | Exports a classifier.
GetClassifierSnapshotStatistics | Returns statistics about the performance of a classifier snapshot.
GetClassImage | Returns a training image associated with an object class.
ImportClassifier | Imports an existing classifier into your training database.
ListClasses | Returns a list of object classes in a specified classifier.
ListClassifiers | Lists the classifiers that you have created for use with image classification.
MoveClassImage | Moves a training image from one object class to another.
PauseBuildClassifier | Pauses the training of a classifier.
RelabelClassImage | Relabels an object class training image.
RemoveClass | Removes (deletes) an existing object class from a classifier.
RemoveClassifier | Removes (deletes) a classifier created for image classification.
RemoveClassImages | Removes training images from an object class.
RemoveClassMetadata | Removes custom metadata (a key-value pair) from an object class.
RenameClass | Changes the identifier for an object class that you have already added to a classifier.
RenameClassifier | Renames a classifier that is used for image classification.
SelectClassifierSnapshot | Selects a snapshot to use and completes the training of the classifier.
SetClassifierTrainingOption | Sets the value of a training option that is applied to a classifier.
SyncClassifiers | Forces Media Server to synchronize with the latest object class training data in the database.
TestClassifierSnapshot | Evaluates the performance of a classifier snapshot.
UnsetClassifierTrainingOption | Removes a training option that has been applied to a classifier.
UnsyncClassifiers | Removes all image classification training from memory (does not affect the database).
UpdateClassMetadata | Updates the value of a key-value pair in the custom metadata of an object class.

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