{
  "title": "Checker-shadow stimulus pixel check",
  "description": "Pixel check of the checker-shadow stimulus and its bridge version: stored gray levels of both target squares and their neighbors, the band multiplier, soft-edge widths and the bridge bar, each re-read from the saved drawing. It checks the drawing, not what a viewer perceives.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Tricks of Ear and Eye",
  "page": "https://tricksofearandeye.com/illusions/checker-shadow-illusion/",
  "derived_from": [
    "Coordinates and stored gray levels of the Tricks of Ear and Eye checker-shadow stimulus and bridge drawings"
  ],
  "method": "Compiled by Tricks of Ear and Eye from the data listed"
}