Thanks, in fact I have known the function is used to determine the image's smothness,
but I wonder why it can do that???
----- Original Message -----
From: "Const Kaplinsky" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 27, 2001 5:51 PM
Subject: Re: who can explain such code as the following?
> >>>>> "CY" == Cao Yunbo <[EMAIL PROTECTED]> writes:
>
> CY> Hi, In the implementation of VNC tight code , there is the
> CY> following function.The function try to determine whether vnc
> CY> filters the image being coded,why can it do this?Who can
> CY> explain it for me?
>
> This functions has been renamed into DetectSmoothImage recently. It
> tries to analyze statistical properties of the image. If intensity of
> color components change smoothly within neighbouring pixels, then
> tight encoder tries to improve compression either compressing
> differences (deltas) between pixels, or using JPEG coder if enabled by
> user.
>
> CY> Thanks anyway
>
> CY> Yours Sincerely,
>
> CY> Cao
>
> CY> int vncEncodeTight::DetectStillImage##bpp (int w, int h) \ {
> [code skipped]
>
> --
> With Best Wishes,
> Constantin
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