Hi Xiaohua,
=20
Scion image (http://www.scioncorp.com/pages/scion_image_windows.htm) is a n=
ice, free software that should allow you to manually calculate leaf damage =
areas. Automatic processing is much trickier. Regent intruments (http://reg=
entinstruments.com/) have various automated image analysis softwares that c=
ould work, but are rather expensive.> Date: Tue, 27 Nov 2007 08:26:51 -0500=
> From: [EMAIL PROTECTED]> Subject: Re: image processing softw=
are for leaf images.> To: [email protected]> > Xiaohua,> > Here we =
have been using Sigmascan to estimate herbivory, but it is very > expensive=
. There are other free downloadable packages, not quite as easy to > use bu=
t still not bad.> > Generally, I am very skeptical that any automated scann=
ing package can > reliably assess herbivory damage on temperate zone leaves=
with their complex > and highly variable lobed shapes. But simple leaves -=
such as are found in > tropical rainforest - might be done reliably using =
an automated system. For > temperate zone leaves, we can the leaf then take=
the damaged area 'by hand' > using a mouse and doing a calculation.> > Reg=
ards,> > Jonathan Adams> > > > ----- Original Message ----- > From: "Xiaohu=
a Dai" <[EMAIL PROTECTED]>> To: <[email protected]>> Sent:=
Monday, November 26, 2007 10:05 AM> Subject: image processing software for=
leaf images.> > > > Hi All,> >> > I have some photographic/scanned leaf im=
ages. Does anyone know which > > software can obtain leaf veins and leaf da=
mage areas from them?> >> > Thanks> > Xiaohua> >> > -- > > Xiaohua Dai, Dr.=
> >> > Mobile: +86 137 6398 8183> >> > Publications: http://www.getcited.or=
g/?MBR=3D11061629> > Personal Page: http://360.yahoo.com/informationecology=
> >> > School of Chemistry and Life Science> > GanNan Normal University> > =
Ganzhou, Jiangxi Province, China> > Zip Code: 341000> >> >> > ****Signature=
in Chinese****> >> > =B4=F7=D0=A1=BB=AA =B2=A9=CA=BF=A1=A2=B8=B1=BD=CC=CA=
=DA> >> > =BD=AD=CE=F7=CA=A1=B8=D3=D6=DD=CA=D0> > =B8=D3=C4=CF=CA=A6=B7=B6=
=D1=A7=D4=BA=BB=AF=D1=A7=D3=EB=C9=FA=C3=FC=BF=C6=D1=A7=D1=A7=D4=BA> > =D3=
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988183> >> > =B8=F6=C8=CB=B2=A9=BF=CD=A3=BAhttp://ecoinformatics.blog.edu.c=
n> > =CE=D2=B5=C4=B3=CC=D0=F2=A3=BAhttp://360.yahoo.com/informationecology>=
>> >> >> > ---------------------------------> > =D1=C5=BB=A2=D3=CA=CF=E4=
=A3=AC=D6=D5=C9=FA=BB=EF=B0=E9=A3=A1=20
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