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Date: Sat, 31 Dec 2011 18:05:53 -0800 (PST)
From: Rich Young <aefilter@yahoo.com>
Subject: Re: [AE] HDR-esque technique for high-speed footage
To: After Effects Mail List <AE-List@media-motion.tv>
In-Reply-To: <list-4577889@media-motion.tv>
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Content-Type: multipart/alternative; boundary="-1663062914-1546612359-1325383553=:58368"

---1663062914-1546612359-1325383553=:58368
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That would be a popular video tutorial, even as a short quick tip demo that=
 explained the why.
Rich
--- On Sat, 12/31/11, Chris Zwar <chris@chriszwar.com> wrote:I've experimen=
ted with HDR photography a bit and you can't do a perfect HDR merge in Afte=
r Effects using only plugins or transfer modes.=A0=20
But if your source footage has a very wide latitude, then you can use simpl=
e layer stacks to recover shadows and highlights.=A0 In 32bit mode, stack y=
our 3 layers on top of each other with the add transfer mode, and then use =
an adjustment layer on top of them all to control exposure and recover high=
lights.=A0=20
I've played around with combinations of 'exposure', ' HDR highlight compres=
sion', 'HDR compander' and 'levels'.=A0 Depending on your footage you might=
 get a better result than a straight 8-bit pass, but render times are very =
slow.

---1663062914-1546612359-1325383553=:58368
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<table cellspacing=3D"0" cellpadding=3D"0" border=3D"0" ><tr><td valign=3D"=
top" style=3D"font: inherit;"><span style=3D"font-size:large;"><font face=
=3D"verdana, sans-serif"><font color=3D"#333333"><div><span style=3D"font-f=
amily: arial; font-size: 10pt; ">That would be a popular video tutorial, ev=
en as a short quick tip demo that explained the why.</span></div><div><span=
 style=3D"font-family: arial; font-size: 10pt; "><br></span></div><div><spa=
n style=3D"font-family: arial; font-size: 10pt; ">Rich</span></div><div><sp=
an style=3D"font-family: arial; font-size: 10pt; "><br></span></div><div><s=
pan style=3D"font-family: arial; font-size: 10pt; ">--- On </span><b style=
=3D"font-family: arial; font-size: 10pt; ">Sat, 12/31/11, Chris Zwar <i>&lt=
;chris@chriszwar.com&gt;</i></b><span style=3D"font-family: arial; font-siz=
e: 10pt; "> wrote:</span></div></font></font></span><blockquote style=3D"bo=
rder-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;=
"><div
 class=3D"plainMail">I've experimented with HDR photography a bit and you c=
an't do a perfect HDR merge in After Effects using only plugins or transfer=
 modes.&nbsp; <br>But if your source footage has a very wide latitude, then=
 you can use simple layer stacks to recover shadows and highlights.&nbsp; I=
n 32bit mode, stack your 3 layers on top of each other with the add transfe=
r mode, and then use an adjustment layer on top of them all to control expo=
sure and recover highlights.&nbsp; <br>I've played around with combinations=
 of 'exposure', ' HDR highlight compression', 'HDR compander' and 'levels'.=
&nbsp; Depending on your footage you might get a better result than a strai=
ght 8-bit pass, but render times are very slow.<br></div></blockquote></td>=
</tr></table>
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