This dataset consists of sets of images corresponding to the data sets 1-8 described in Table 1 in the manuscript "Establishing a Reference Focal Plane Using Machine Learning and Beads for Brightfield Imaging".Data sets from A2K contain two .zip folders: one with the .tiff images and one with the corresponding .txt file with live and dead cell concentration enumeration.

Records contained within the NIST public data listing are part of the National Institute of Standards and Technology (NIST) enterprise data inventory. These data products are generated as part of the NIST mission, spanning multiple disciplines of scientific, engineering and technology research. This listing is provided as a data.json file, using the standard Project Open Data metadata schema v. 1.1.