Slate Detection (v2.1)

About this version

• Submitter: keighrim
• Submission Time: 2023-08-03T17:56:59+00:00
• Prebuilt Container Image: ghcr.io/clamsproject/app-slatedetection:v2.1

• Release Notes

  (no notes provided by the developer)

About this app (See raw metadata.json)

This tool detects slates.

• App ID: http://apps.clams.ai/slatedetection/v2.1
• App License: MIT
• Source Repository: https://github.com/clamsproject/app-slatedetection (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) (any properties)

Configurable Parameters

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

Name	Description	Type	Multivalued	Default	Choices
timeUnit	Unit of time to use in output.	string	N	frames	frames, seconds, milliseconds
sampleRatio	Frequency to sample frames.	integer	N	30
stopAt	Frame number to stop processing	integer	N	9000
stopAfterOne	When True, processing stops after first timeframe is found	boolean	N	true	false, true
minFrameCount	Minimum number of frames required for a timeframe to be included in the output	integer	N	10
threshold	Threshold from 0-1, lower accepts more potential slates.	number	N	0.7
pretty	The JSON body of the HTTP response will be re-formatted with 2-space indentation	boolean	N	false	false, true

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/v1
  • properties = a complex object with the following keys:
    • frameType = “slate”