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"Binary" comes from "bi" meaning "two", so I assume the OP wants to convert the image to pure black-and-white. Converting to grayscale yields a lot more than two levels.

user
– user

2014-01-09 20:57:54 +00:00
Commented Jan 9, 2014 at 20:57
Agreed! makes sense, +1.

Ketan
– Ketan

2014-01-09 21:31:41 +00:00
Commented Jan 9, 2014 at 21:31

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