Path: news.mathworks.com!newsfeed-00.mathworks.com!panix!bloom-beacon.mit.edu!newsswitch.lcs.mit.edu!newsfeed.cwix.com!dc3peer2.nntp.savvis.net!peer.nntp.savvis.net!cycny02.gnilink.net!cyclone1.gnilink.net!gnilink.net!nx01.iad01.newshosting.com!newshosting.com!novia!news-out.readnews.com!news-xxxfer.readnews.com!postnews.google.com!m45g2000hsb.googlegroups.com!not-for-mail
From: ImageAnalyst <imageanalyst@mailinator.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: I need to help?
Date: Fri, 19 Sep 2008 12:37:27 -0700 (PDT)
Organization: http://groups.google.com
Lines: 61
Message-ID: <95fd5329-1f60-4e26-9749-9f14566c5ac3@m45g2000hsb.googlegroups.com>
References: <gb0kj5$ov3$1@fred.mathworks.com> <e7ea5034-2104-4ba0-8820-104944d5d5a3@f36g2000hsa.googlegroups.com> 
	<5e356f60-dbfd-46b3-9034-0e72a4a0e71e@x35g2000hsb.googlegroups.com> 
	<gb0sam$ksq$1@fred.mathworks.com>
NNTP-Posting-Host: 192.44.136.113
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1221853047 7965 127.0.0.1 (19 Sep 2008 19:37:27 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Fri, 19 Sep 2008 19:37:27 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: m45g2000hsb.googlegroups.com; posting-host=192.44.136.113; 
	posting-account=0rLUzAkAAABojYSRC64DkTbtiSCX77HH
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET 
	CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 
	3.5.21022),gzip(gfe),gzip(gfe)
X-HTTP-Via: 1.1 bdci2px (NetCache NetApp/6.0.7)
Xref: news.mathworks.com comp.soft-sys.matlab:491029


On Sep 19, 2:51=A0pm, "ABUTALA " <love.scre...@gmail.com> wrote:
> ImageAnalyst <imageanal...@mailinator.com> wrote in message <5e356f60-dbf=
d-46b3-9034-0e72a4a0e...@x35g2000hsb.googlegroups.com>...
> > On Sep 19, 1:04=3DA0pm, "ABUTALA " <love.scre...@gmail.com> wrote:
> > > > "love":
> > > > I didn't need to run it - I can tell just from reading the code.
> > > > Basically it blends two images together and asks you to give a
> > > > subjective rating on the "robustness" (whatever that is) of the
> > > > watermark. =3DA0You'd need to define "robustness" better and then, =
after
> > > > you've plotted robustness vs. blending percentage, make some kind o=
f
> > > > subjective call about which blending factor is "best." =3DA0This is=
 a ver=3D
> > y
> > > > simple to construct and very visible type of watermark. =3DA0It's n=
ot
> > > > really steganography because it's not hidden. =3DA0There are so man=
y ways
> > > > to hide one image in another that can't be detected as easily as yo=
ur
> > > > method and can only be found with knowledge of how it was
> > > > constructed. =3DA0You could think up your own with a little thought=
, but
> > > > this blending method is not a very effective one.
> > > > You're welcome.
> > > > Did I win?
> > > > Regards,
> > > > ImageAnalyst
>
> > > Thank ImageAnalyst
>
> > > I want to know the quality between images by PSNR(A,B)?
>
> > > THANKS- Hide quoted text -
>
> > > - Show quoted text -
>
> > -----------------------------------------------------------------------=
-
> > ABUTALA:
> > MATLAB has a defnition of PSNR at
> >http://www.mathworks.com/access/helpdesk/help/toolbox/vipblks/ref/psn...
> > So you're going to plot psnr vs. human_visual_grade?
> > By the way, is this related to love's question or is this some
> > completely separate question? =A0How are you related to love?
> > Regards,
> > ImageAnalyst
>
> thank you
>
> i did but i need to run program and i see thr result?
>
> love-- it is nickname only- Hide quoted text -
>
> - Show quoted text -

-----------------------------------------------------
Well . . . Yeah!  How else are things going to happen?
Good luck,
ImageAnalyst