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- Newsgroups: comp.graphics
- Path: sparky!uunet!munnari.oz.au!bruce.cs.monash.edu.au!monu6!steve
- From: steve@monu6.cc.monash.edu.au (Steve Balogh (+61 3 565 4747))
- Subject: Re: Image negative to positive algorithm
- Message-ID: <1992Sep4.055055.12202@monu6.cc.monash.edu.au>
- Organization: Monash University, Melbourne, AUSTRALIA
- References: <1992Aug28.143906.3553@mits.com.au> <1992Sep1.093533.3554@mits.com.au>
- Date: Fri, 4 Sep 1992 05:50:55 GMT
- Lines: 24
-
- In article <1992Sep1.093533.3554@mits.com.au> alistair@mits.com.au writes:
- >In article <1992Aug28.143906.3553@mits.com.au>,
- >
- >Grey-scale images may be converted using:
- >
- > <new pixel value> = <white pixel value> - <old pixel value>
- >
-
- Can you therefore imply that:
-
- <new RED pixel value> = <Full RED pixel value> - <old RED pixel value>
- <new GREEN pixel value> = <Full GREEN pixel value> - <old GREEN pixel value>
- <new BLUE pixel value> = <Full BLUE pixel value> - <old BLUE pixel value>
-
- Or is this too simplistic? :)
-
- Regards,
- Steve
-
- ----_--_-_-_--_-__-_------_-__---_-___-_----_-____-_-_--__-_--_--___-_-_-_--__-_
- Steve Balogh VK3YMY (Maths G.14) | steve@monu6.cc.monash.edu.au
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