[{"word":"backprojection","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A cinematic technique in which live action is filmed in front of a screen on which the background action or a background scene is projected.","synonyms":["rear projection"],"antonyms":[]},{"definition":"Tomographic reconstruction","synonyms":[],"antonyms":[]}],"synonyms":["rear projection"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/back%20projection","https://en.wiktionary.org/wiki/backprojection"]}]