Return-Path: <tiff-bounces@remotesensing.org>
Received: from inmx019.isp.belgacom.be (inmx019.isp.belgacom.be [195.238.3.138])
        by mailst035.isp.belgacom.be (8.12.11/8.12.11/Skynet-MAILSTORE-2.14) with ESMTP id j23GDvVl002392
        for <joris.at.lebbeke@skynet.be>; Thu, 3 Mar 2005 17:13:57 +0100
        (envelope-from <tiff-bounces@remotesensing.org>)
Received: from xserve.flids.com (adsl-065-083-169-202.sip.mco.bellsouth.net [65.83.169.202])
        by inmx019.isp.belgacom.be (8.12.11/8.12.11/Skynet-IN-2.32) with ESMTP id j23GDgCm017639
        for <joris.at.lebbeke@skynet.be>; Thu, 3 Mar 2005 17:13:44 +0100
        (envelope-from <tiff-bounces@remotesensing.org>)
Received: from adsl-065-083-169-202.sip.mco.bellsouth.net (localhost [127.0.0.1])
	by xserve.flids.com (Postfix) with ESMTP
	id C934CFBC81B; Thu,  3 Mar 2005 11:13:25 -0500 (EST)
X-Original-To: tiff@remotesensing.org
Delivered-To: tiff@remotesensing.org
Received: from sprxmb01.sanpaoloimisgr.com (unknown [212.31.245.72])
	by xserve.flids.com (Postfix) with ESMTP id 47D09FBC7F4
	for <tiff@remotesensing.org>; Thu,  3 Mar 2005 11:13:23 -0500 (EST)
Message-ID: <00b601c5200b$ebc2abe0$8a1316ac@sgr.sanpaoloimiwm.local>
From: "Beppe Costagliola" <beppecosta@yahoo.it>
To: "TiffList" <tiff@remotesensing.org>
References: <004301c51fdd$086075e0$8a1316ac@sgr.sanpaoloimiwm.local>
	<Pine.SOC.4.60.0503030950540.8945@blade.simplesystems.org>
Subject: Re: [Tiff] Tiff G4 
Date: Thu, 3 Mar 2005 17:13:17 +0100
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2800.1437
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441
X-BeenThere: tiff@remotesensing.org
X-Mailman-Version: 2.1.2
Precedence: list
List-Id: TIFF and libtiff discussion  <tiff.remotesensing.org>
List-Unsubscribe: <http://xserve.flids.com/mailman/listinfo/tiff>,
	<mailto:tiff-request@remotesensing.org?subject=unsubscribe>
List-Archive: <http://xserve.flids.com/pipermail/tiff>
List-Post: <mailto:tiff@remotesensing.org>
List-Help: <mailto:tiff-request@remotesensing.org?subject=help>
List-Subscribe: <http://xserve.flids.com/mailman/listinfo/tiff>,
	<mailto:tiff-request@remotesensing.org?subject=subscribe>
Sender: tiff-bounces@remotesensing.org
Errors-To: tiff-bounces@remotesensing.org
X-UIDL: 62a66cd1d455ff60b25a8a1ab1a0f346

I though that I could use "tiffcp -c none" and then "tiffcp -c jpeg" but
unfortunately I don't have a tiffcp working and I could not see if it is
possible.

About "re-sampling/filtering" do you know any open source (in C) that does
the job ?

Thanks.
Beppe.

----- Original Message ----- 
From: "Bob Friesenhahn" <bfriesen@simple.dallas.tx.us>
To: "Beppe Costagliola" <beppecosta@yahoo.it>
Cc: "TiffList" <tiff@remotesensing.org>
Sent: Thursday, March 03, 2005 4:56 PM
Subject: Re: [Tiff] Tiff G4


> On Thu, 3 Mar 2005, Beppe Costagliola wrote:
>
> > I' have a Tiff compressed with G4.
> >
> > Is it possible to run tiffcp and re-compress it to save space (even
> > with lossy compression) ?
>
> Except for re-sampling/filtering the data to contain less detail and
> re-saving using G4 (or even LZW) compression, the only alternative
> that would save even more space would be to use JBIG compression, and
> libtiff does not seem to support that.
>
> There is a (GPLed) libjbig.  I understand that there are patents which
> apply to JBIG.
>
> Current PDF supports JBIG compression so you can obtain commercial
> software to support it.
>
> Of course these solutions are not TIFF.
>
> Bob
> ======================================
> Bob Friesenhahn
> bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

_______________________________________________
Tiff mailing list
Tiff@remotesensing.org
http://xserve.flids.com/mailman/listinfo/tiff
