gdanmitchell wrote:
\"Unsharp mask\" is actually not \"ill named\" at all. A \"mask\" was created using an \"unsharp\" version of the image, which combined with the original negative increased local contrast near edges.
It isn\'t that it is a \"mask that makes things unsharp.\" It is the use of a mask that is itself unsharp\" to increase local contrast.
Dan
Agreed, that is the derivation of the term. Wording is Reichmann\'s and perhaps a little out of context. I was trying to distinguish between overall image contrast and perceived detail sharpness.
Mike K
gdanmitchell wrote:
\"Unsharp mask\" is actually not \"ill named\" at all. A \"mask\" was created using an \"unsharp\" version of the image, which combined with the original negative increased local contrast near edges.
It isn\'t that it is a \"mask that makes things unsharp.\" It is the use of a mask that is itself unsharp\" to increase local contrast.
Dan
Agreed, that is the derivation of the term. Wording is Reichmann\'s and perhaps a little out of context. I was trying to distinguish between overall image contrast and perceived detail sharpness.
Jun 01, 2011 at 01:14 AM
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