Scenes-with-text Detection (v4.0)

About this version

• Submitter: marcverhagen
• Submission Time: 2024-02-29T17:24:13+00:00
• Prebuilt Container Image: ghcr.io/clamsproject/app-swt-detection:v4.0

• Release Notes

  Uses a new classification regime with a dictionary of labels and scores

About this app (See raw metadata.json)

Detects scenes with text, like slates, chyrons and credits.

• App ID: http://apps.clams.ai/swt-detection/v4.0
• App License: Apache 2.0
• Source Repository: https://github.com/clamsproject/app-swt-detection (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/VideoDocument/v1 (required) (of any properties)

Configurable Parameters

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

• startAt: optional, defaults to 0

  • Type: integer
  • Multivalued: False

  Number of milliseconds into the video to start processing

• stopAt: optional, defaults to 10000000

  • Type: integer
  • Multivalued: False

  Number of milliseconds into the video to stop processing

• sampleRate: optional, defaults to 1000

  • Type: integer
  • Multivalued: False

  Milliseconds between sampled frames

• minFrameScore: optional, defaults to 0.01

  • Type: number
  • Multivalued: False

  Minimum score for a still frame to be included in a TimeFrame

• minTimeframeScore: optional, defaults to 0.5

  • Type: number
  • Multivalued: False

  Minimum score for a TimeFrame

• minFrameCount: optional, defaults to 2

  • Type: integer
  • Multivalued: False

  Minimum number of sampled frames required for a TimeFrame

• 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.)

• http://mmif.clams.ai/vocabulary/TimeFrame/v2
  • timeUnit = “milliseconds”
  • labelset = a list of [“bars”, “slate”, “chyron”, “credits”, “NEG”]
• http://mmif.clams.ai/vocabulary/TimePoint/v1
  • timeUnit = “milliseconds”
  • labelset = a list of [“bars”, “slate”, “chyron”, “credits”, “NEG”]