Enum: ContrastPolarityEnum

Polarity of object-to-background contrast in the video.

Permissible Values

Value	Meaning	Description
bright_on_dark	None	Tracked object appears brighter than the background (analogous to dark-field imaging).
dark_on_bright	None	Tracked object appears darker than the background (analogous to bright-field imaging).
mixed	None	Polarity varies across regions, frames, or channels.
unknown	None	Polarity not determined or not reported.

Slots

Name	Description
contrast_polarity	Contrast relationship between the tracked object and the background; indicates whether the subject appears bright on a dark background or dark on a bright background in the recorded video.

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/bestmeta/schema

LinkML Source

name: ContrastPolarityEnum
description: Polarity of object-to-background contrast in the video.
from_schema: https://w3id.org/bestmeta/schema
rank: 1000
permissible_values:
  bright_on_dark:
    text: bright_on_dark
    description: Tracked object appears brighter than the background (analogous to
      dark-field imaging).
  dark_on_bright:
    text: dark_on_bright
    description: Tracked object appears darker than the background (analogous to bright-field
      imaging).
  mixed:
    text: mixed
    description: Polarity varies across regions, frames, or channels.
  unknown:
    text: unknown
    description: Polarity not determined or not reported.