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Reply-To: <frank@interscopetech.com>
From: "Frank Palmieri" <frank@interscopetech.com>
To: "=?iso-8859-1?Q?'J=E9r=F4me_Archer'?=" <jerome.archer@unilog.fr>,
   <tiff@olympiakos.com>
Subject: RE: about compression
Date: Wed, 22 May 2002 14:01:57 -0400
Organization: InterScope Technologies, Inc.
Message-ID: <003e01c201ba$c3b0bd80$840a1dac@interscopetech.com>
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Jerome:
=20
If you have compressed data, you generally need to access the entire
data block to get to a particular piece of data (a particular pixel
value) whereas with uncompressed data, you can access a specific subset
of that data directly.
Frank Palmieri frank@interscopetech.com 724-934-5770 x29

-----Original Message-----
From: owner-tiff@olympiakos.com [mailto:owner-tiff@olympiakos.com] On
Behalf Of J=E9r=F4me Archer
Sent: Wednesday, May 22, 2002 4:57 AM
To: tiff@olympiakos.com
Subject: about compression


hello,
what means " compression algorithm doesn't support random access" ?
Thanks for your help
have a nice day


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Diso-8859-1">
<TITLE>Message</TITLE>

<META content=3D"MSHTML 6.00.2716.2200" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><SPAN class=3D959330018-22052002><FONT face=3DArial color=3D#0000ff =

size=3D2>Jerome:</FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D959330018-22052002><FONT face=3DArial color=3D#0000ff =
size=3D2>If you=20
have compressed data, you generally need to access the entire data block =
to get=20
to a particular piece of data (a particular pixel value) whereas with=20
uncompressed data, you can access a specific subset of that data=20
directly.</FONT></SPAN></DIV><FONT size=3D2>
<P align=3Dleft>Frank Palmieri <A=20
href=3D"mailto:frank@interscopetech.com">frank@interscopetech.com</A>&nbs=
p;</FONT><FONT=20
size=3D2>724-934-5770 x29</P></FONT>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid; MARGIN-RIGHT: 0px">
  <DIV></DIV>
  <DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr =
align=3Dleft><FONT=20
  face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B>=20
  owner-tiff@olympiakos.com [mailto:owner-tiff@olympiakos.com] <B>On =
Behalf Of=20
  </B>J=E9r=F4me Archer<BR><B>Sent:</B> Wednesday, May 22, 2002 4:57=20
  AM<BR><B>To:</B> tiff@olympiakos.com<BR><B>Subject:</B> about=20
  compression<BR><BR></FONT></DIV>
  <DIV><FONT face=3DArial size=3D2>hello,</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2>what means " compression algorithm =
doesn't=20
  support random access" ?</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2>Thanks for your help</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2>have a nice=20
day</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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