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# Object Engine Configuration Parameters

An Object analysis task recognizes known objects in video. Before using the Object engine, you must populate a database with training images. For instructions, refer to the Media Server Administration Guide.

This section describes the parameters that you can set in the configuration section for an Object analysis task.

Configuration Parameter | Description
--- | ---
ColorAnalysis | Whether to perform color analysis on detected objects to reduce false detections.
Database | An object database to use to detect objects in an image.
FrameRate | The number of frames to analyze per second of video.
Identifier | A comma-separated list of identifiers that specifies the objects to match against.
Input | The image track to process.
NumParallel | The maximum number of threads to use for running the object detection task.
ObjectEnvironment | The type of background that a partially or completely transparent object is superimposed on.
Occlusion | Whether the object might be partially hidden in images.
Perspective | Whether the object might be subject to perspective transformations (skew). Perspective transformations result from the object being viewed from any angle other than the perspective of the training images.
Region | A region of the frame to restrict processing to.
RegionUnit | The units that the Region parameter uses to specify the size and position of a region.
Type | The analysis engine to use. Set this parameter to `Object`.

## Output Tracks

Output track | Type | Description | Output1This column indicates whether the information contained in the track is included by default in the output created by an output task (when you don't set the Input parameter for the output task).
--- | --- | --- | ---
`Data` | ObjectResult | Contains a record for every frame in which an object is detected. | No
`DataWithSource` | ObjectAndImage | Contains the same information as the `Data` track, but each record also includes the source frame. | No
`Event` | ObjectEvent | Media Server creates a record in the `Event` track when an object appears or disappears. | Yes
`Result` | ObjectResult | Contains a single record for each detected object (a detected object might appear in many consecutive frames). This track only contains the best result from running analysis on an object. | Yes
`ResultWithSource` | ObjectAndImage | Contains the same information as the `Result` track, but each record also includes the best source frame. | No

ObjectResult

Field name | Type | Description
--- | --- | ---
id | UUIDData | A universally unique identifier to identify the object
identity | IdentityData | The identity of the model in the database that matches the detected object
boundary | PolygonData | A polygon to indicate the location of the object in the frame

ObjectAndImage

Field name | Type | Description
--- | --- | ---
id | UUIDData | A universally unique identifier to identify the object
identity | IdentityData | The identity of the model in the database that matches the detected object
boundary | PolygonData | A polygon to indicate the location of the object in the frame
image | ImageData | The source frame

ObjectEvent

Field name | Type | Description
--- | --- | ---
id | UUIDData | A universally unique identifier to identify the object
event | TrackingEventData | The type of event (begin/end), and the elapsed time since the object appeared
identity | IdentityData | The identity of the model in the database that matches the detected object

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