Text Detection

Text detection identifies regions in images and video frames that contain text.

Configuration Parameter Description
CharHeightUnit The units to use for setting the minimum and maximum character heights.
Contrast The minimum contrast level between the text and the background.
DetectionThreshold The minimum confidence score required for Media Server to detect text.
Input The image track to process.
MaxCharHeight The maximum height of a character in the text.
MinCharHeight The minimum height of a character in the text.
NumParallel The maximum number of video frames to analyze simultaneously.
Region A region of the image or video frame to restrict analysis to.
RegionUnit The units that the Region parameter uses to specify the size and position of a region.
SampleInterval The interval at which frames are selected to be analyzed.
Type The analysis engine to use. Set this parameter to TextDetection.

OutputTracks

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).
Result TextDetectionResult Contains a single record for each detection. The record describes the region that contains the text. Yes
ResultWithSource TextDetectionResultAndImage Contains the same information as the Result track, but each record also includes the best source frame. No

TextDetectionResult

Field name Type Description
id UUIDData A universally unique identifier to identify the detection result.
region RectangleData The location of the detected text.
confidence Integer The confidence score for the detection.

TextDetectionResultAndImage

Field name Type Description
id UUIDData A universally unique identifier to identify the detection result.
region RectangleData The location of the detected text.
confidence Integer The confidence score for the detection.
image ImageData The source image or video frame.

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