[1] [CITE@ja[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]]
([TIME[2010-05-01 01:35:17 +09:00]] 版)
<http://www.serendip.ws/archives/4756>

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