Heuristic Chyron Understanding (v0.2)

About this version

• Submitter: keighrim
• Submission Time: 2025-07-14T23:10:14+00:00
• Prebuilt Container Image: ghcr.io/clamsproject/app-heuristic-chyron-understanding:v0.2

• Release Notes

  Initial release with naive line parsing and name normalization

About this app (See raw metadata.json)

Prototype to convert chyron text from docTR/Tesseract/LLaVA MMIF outputinto a name and list of attributes.

• App ID: http://apps.clams.ai/heuristic-chyron-understanding/v0.2
• App License: Apache 2.0
• Source Repository: https://github.com/clamsproject/app-heuristic-chyron-understanding (source tree of the submitted version)

Inputs

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

• http://mmif.clams.ai/vocabulary/TextDocument/v1 (required) (of any properties)

  Text content transcribed from video input by docTR/Tesseract/LLAVA.

Configurable Parameters

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

• note4mode: optional, defaults to false

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

  Boolean to set the app to run in “note-4” mode and to take the second line (if available) from the input text to be the name-normalized value. The default is false, which means the app will try to generate normalization fromname-as-written (from the first line) value.

• 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

• runningTime: optional, defaults to false

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

  The running time of the app will be recorded in the view metadata

• hwFetch: optional, defaults to false

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

  The hardware information (architecture, GPU and vRAM) will be recorded in the view metadata

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.)

• http://mmif.clams.ai/vocabulary/TextDocument/v1
  • document = “*”
  • origin = “*”
  • provenance = “derived”
  • mime = “application/json”

  Reformatted chyron text. document property stores the ID of the original source VideoDocument. origin property stores the ID of the original OCR TextDocument annotation. Reformatted text is escaped JSON string with three fields: name-as-written, name-normalized, and attributes.