[1] JavaScript, Canvas で putImageData による劣化を調べる : Serendip - Webデザイン・プログラミング (2010-05-01 01:35:17 +09:00 版) http://www.serendip.ws/archives/4756

[2] Web Applications 1.0 r7177 Admit defeat: putImageData() assumes 96dpi. We'll add HD versions of these methods shortly. ( (2012-07-17 04:16:00 +09:00 版)) http://html5.org/tools/web-apps-tracker?from=7176&to=7177

[3] Fix inaccurate note about putImageData error · whatwg/html@30a1b4b (2015-09-18 17:45:33 +09:00 版) https://github.com/whatwg/html/commit/30a1b4b5b04a5815aceb52d24131ee18d3fdc721

[4] Correct putImageData() throwing condition (annevk著, 2018-01-26 20:41:35 +09:00) https://github.com/whatwg/html/commit/d720617937cdab16988c974ef721c8fb786e77ff

[5] Correct putImageData() throwing condition by annevk · Pull Request #3406 · whatwg/html (2018-01-27 17:09:36 +09:00) https://github.com/whatwg/html/pull/3406