The region's quality.
- macOS 10.14+
quality score represents the quality of the region of interest in the individual asset, based on factors like sharpness, visibility, and prominence in the photo. Values range from
1, with a default of
0. Different regions of interest with the same identifier may have different quality values. If a project must choose between multiple assets containing the same region of interest, use the
quality metric to choose the best representative.