heh heh heh

whoos yir belli fir rinkls?
or
singleton?

"G. Howie Phartz" <GHowie@AOL.cum> wrote in message
news:4czoc.7577$KE6.1097@newsread3.news.atl.earthlink.net...
> Would you like some cheese with your Swine??
>
> "bagal" <alan_plc@hotmail.com> wrote in message
> news:vutnc.240$DX2.49@newsfe1-gui.server.ntli.net...
> > maybe i am casting pearls?
> >
> > "Pete D" <dont.use@email.to.reply> wrote in message
> > news:jXlnc.29162$TT.19275@news-server.bigpond.net.au...
> >> Wonderful.
> >>
> >> So what?
> >>
> >> "bagal" <alan_plc@hotmail.com> wrote in message
> >> news:O74nc.78$Nc3.32@newsfe3-win.server.ntli.net...
> >> : Hi I am new here and am looking for a discussion forum to sound out
> >> some
> >> : preconceptions I have about digital imaging.
> >> :
> >> : 1 - pixels have finite dimension (whatever it may be on PDA, computer
> >> or
> >> : large screen display a sports ground)
> >> : implication:
> >> : (a) digital image resolution is best optimised on a 1 to 1 basis
> >> : therefore aiming for 6x4 or 7x5 prints with mucho megapixels is
really
> >> a
> >> bit
> >> : of over the top-ness
> >> :
> >> : (b) digital signal processing (in essence maths algorithms) are
> > essential
> >> if
> >> : image reproduction move from a 1-2-1 display.  Why?  Well, if showing
a
> >> 2000
> >> : by 1000 images on a display of 4000 by 2000 either the pixels have to
> >> be
> >> : 'enlarged'  to fill 2 pixel places along and 2 pixel places up.  So
in
> >> this
> >> : example 1 ordinary pixel now fills the space of 4 ordinary pixels  (I
> > bet
> >> : this is what is called pixellation)
> >> :
> >> : (b2) maybe there is another way - let's call it interpolation.
Instead
> > of
> >> 1
> >> : image pixel filling the space taked by 4 display pixels we'll use a
bit
> > of
> >> : linear math to fill in the bits in between.  So the original image
> > pixels
> >> : now fill 1 display pixel space but they are surrounded by fill-in
> >> values
> >> : determined by a linear math algorithm.
> >> :
> >> : (c) going the other way, from a 2000 by 1000 image to a 300 by 200
> >> display.
> >> : Now we have far too many pixels in the image Rougly 5 times too many
> >> So
> >> the
> >> : display shows 1 pixel from the image, discards the next 4 image
pixels
> > and
> >> : so on ...  till the display space is filled.
> >> :
> >> : OK - what am I getting at?
> >> :
> >> : Well, the first thing is the importance of a bit of linear math,
Image
> >> : processing algorithms seem pretty darned important.
> >> :
> >> : Then there are interference effects.  Remember all thos lovely
patterns
> >> : generated by repeating certain equations again, again and again (it
> >> used
> >> to
> >> : be called chaos or fractal math)  Well, there is a possibility that
> >> : particular image patters might generate interference
> >> :
> >> : To me - speaking naively - this suggests that tonal as opposed to
> >> colour
> >> : display of images is the kernel of a good CCD.  Can it handle tonal
> >> : variation as well as changes in hue and colour?
> >> :
> >> : ?
> >> :
> >> : the bagal
> >> :
> >> :
> >>
> >>
> >
> >
>
>