Media Server 26.1
Media Server Help

# Object Class Recognition

This section describes the actions that you can use to train object class recognition.

NOTE: Apart from ListObjectClassAnnotations, ListObjectClasses, ListObjectClassImages, ListObjectClassRecognizers, and ListUnannotatedObjectClassImages 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.

AddObjectClassAnnotations | Identifies one or more regions of a training image that contain an object to use for training.
AddObjectClassImages | Adds training images to an object class recognizer.
AddObjectClassMetadata | Adds custom metadata (a key-value pair) to an object class.
BuildObjectClassRecognizer | Trains a recognizer so that it can be used for object class recognition.
CreateObjectClass | Adds a new object class to a recognizer.
CreateObjectClassRecognizer | Creates a new, empty, recognizer for use with object class recognition.
ExportObjectClassRecognizer | Exports an object class recognizer.
GetObjectClassImage | Returns a training image associated with a recognizer.
GetObjectClassRecognizerSnapshotStatistics | Returns statistics about the performance of a recognizer snapshot.
ImportObjectClassRecognizer | Imports an existing recognizer into your training database.
ListObjectClassAnnotations | Lists the annotations that you have added to your training images.
ListObjectClasses | Returns a list of classes in a specified recognizer.
ListObjectClassImages | Lists the training images that have been added to a recognizer.
ListObjectClassRecognizers | Lists the recognizers that you have created or imported.
ListUnannotatedObjectClassImages | Lists training images that have not been annotated.
NullObjectClassImageData | Removes (deletes) all images and annotations from a recognizer, but does not remove the training generated from the images.
PauseBuildObjectClassRecognizer | Pauses the training of an object class recognizer.
RelabelObjectClassAnnotation | Relabels an annotation for a training image.
RelabelObjectClassImage | Relabels an object class recognition training image.
RemoveObjectClass | Deletes an object class from a recognizer.
RemoveObjectClassAnnotations | Deletes one or more annotations from a training image.
RemoveObjectClassImages | Deletes training images from a recognizer.
RemoveObjectClassMetadata | Deletes custom metadata (a key-value pair) from an object class.
RemoveObjectClassRecognizer | Deletes a recognizer.
RenameObjectClass | Renames an object class.
RenameObjectClassRecognizer | Renames a recognizer.
SelectObjectClassRecognizerSnapshot | Selects a snapshot to use and completes the training of the recognizer.
SetObjectClassRecognizerTrainingOption | Sets the value of a training option for a recognizer.
SyncObjectClasses | Forces Media Server to synchronize with the latest training in the database.
TestObjectClassRecognizerSnapshot | Evaluates the performance of a recognizer snapshot.
UnsetObjectClassRecognizerTrainingOption | Removes a training option that has been applied to a recognizer.
UnsyncObjectClasses | Removes all object class recognition training from memory (does not affect the database).
UpdateObjectClassMetadata | Updates the value of a key-value pair in the custom metadata of an object class.

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Version 26.1 | Last updated January 2026

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Product: Knowledge Discovery Media Server 26.1

Topic Title: Object Class Recognition