Tesseract OCR Wrapper (v1.0)

About this version

About this app (See raw metadata.json)

This tool applies Tesseract OCR to a video or image and generates text boxes and OCR results.

Inputs

(Note: “*” as a property value means that the property is required but can be any value.)

Configurable Parameters

(Note: Multivalued means the parameter can have one or more values.)

  • frameType: optional, defaults to ""

    • Type: string
    • Multivalued: True

    Use this to specify TimeFrame to use for filtering “text”-typed BoundingBox annotations. Can be “slate”, “chyron”, “speech”, etc.. If not set, the app won’t use TimeFrames for filtering.

  • threshold: optional, defaults to 0.9

    • Type: number
    • Multivalued: False

    Use this value between 0 and 1 to filter out low-confidence text boxes.

  • psm: optional, defaults to 0

    • Type: integer
    • Multivalued: False
    • Choices: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

    Tesseract Page Segmentation Modes. See https://tesseract-ocr.github.io/tessdoc/ImproveQuality.html#page-segmentation-method

  • pretty: optional, defaults to false

    • Type: boolean
    • Multivalued: False
    • Choices: false, true

    The JSON body of the HTTP response will be re-formatted with 2-space indentation

Outputs

(Note: “*” as a property value means that the property is required but can be any value.)

(Note: Not all output annotations are always generated.)