WEBVTT

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Alright, I'm very excited to be
here with David Gedye today.

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We are in the Photosynth Teams space
here in Bellevue. You have

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an announcement today. Tell us
a little bit about what you're

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going to talk about today.

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>> Well, today we're launching the
new Photosynth Technology.

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Photosynths been around for quite
a while about five years.

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We launched an amazing 3-D experience
originally, which got a

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lot of attention, make constructing a 3-D
environment from your photographs.

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We've had a lot of success with
full 360 panoramas after that.

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But today we're kind of going
back to our roots. Saying can

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we make a delicious smooth experience
that anybody can shoot,

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and you can end up with a beautiful
3-D experience that you can

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share on the web?

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>> What are the notable things that
people would notice that's

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different from Photosynth 2, from
what we were doing before?

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>> Why don't I just show you? I'll
give you a demo and I'll show

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you, because it really is.

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>> That sounds great.

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>> By the way I'm demoing here on
one of the Microsoft PPI devices

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which if you got any need to present with
Touch, they're beautiful devices.

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>> Yeah.

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>> Let me show you. This is a new
Photosynth website, the preview

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website that we're launching today.
This is some of the content

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that we're launching with, lovely
Touch interface on our, you

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know on our Hero content here.

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Let me just jump into one of them
here. This is the Elgin Marble

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Sculptures in the British Museum.
You notice first of all, notice

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the smoothness.

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Notice the fact that I'm just
touching. I'm moving along.

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The shape is pretty simple, right.
I'm just moving sideways

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along something. This is one of
the shapes that Photosynth 2,

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the new Photosynth supports.

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But like always, with Photosynth,
it's not just the photos, it's

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every pixel. If I just spread I get
every pixel that was shot here.

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Pull it back; examine any
part of this scene,

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every pixel, okay.

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By the way this uses Web GL, which
is the great graphic standard

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that is now in IE11 and is in the
other browsers as well, the

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other main browser as well. But this
is the smoothness and beauty

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of the new Photosynth. Let me show
you some of the other shapes

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that we support. That one is what
we call a wall because you

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are moving sideways along a scene.

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The other way we all move through
a scene of course is forwards.

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This is, those of you who have
ever been to Seattle know that

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our houseboats are kind of the iconic
things here. This is what

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we call a walk through the alley
between houseboats here.

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Of course I just stroke like this;
see that boat move? See that

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sailboat move in its slip as I walk
past it? Note just how incredibly

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tactile this experience is? The photographer
luckily didn't fall

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into the water there. She went
up around here. She went here.

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Here is the Aurora Bridge, I think
we're going; unfortunately

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we didn't go any farther
than that.

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>> Yeah and what are the intervals that
you're taking pictures there?

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What the distance between
pictures?

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>> Well, this one is particularly good;
you see almost no 3D artifacts

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at all, really the more densely
you shoot, the less artifacts

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you get. In this case, in any tight
place like, like indoors

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or in a tight outdoor spot we recommend
taking a shot every step.

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>> Okay.

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>> It's pretty simple and you don't
have to, you don't have to

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use a tripod. We have a smooth,
we smooth the path and so what

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Ann did here is; she took
a shot every step.

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You know and we swing around here
and she just kept doing it there.

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If you're in a, you know if you're
outdoors in the desert or

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something like that. Where the scenery
doesn't change much step

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to step, sure take one every five
steps or something like that.

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If you're inside a, you know if
you're inside a tight twisty

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passage inside a Banyan tree in Hawaii,
like one of our developers

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was recently. You may want to take
a shot every few inches if

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it's a thing like that.

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>> Yeah.

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>> You know as with all these things
shoot more, cut later if

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you need to.

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>> Okay.

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>> This is a walk.

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We've talked about walls, sideways,
and walks up and down.

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One of the other really
cool shapes we have.

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Let me just get a different one here,

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is a spin where you're moving around
some central object or a

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central open space.

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This is a real estate scenario.
But this is the way when we go

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and look at a room from all sides,
we don't generally stand in

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the middle of a room and turn around
like this, as you would

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have to do in a, with a Stitch Panorama.

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We stand on the edge and look at
the room. Then we move around

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and stand on this edge. This is
what the photographer did here.

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Of course it's fully interactive.
You can spin around.

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It's like you know from the, you know
you're a video and a movie guy.

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This is kind of a tracky shot or
a dolly shot from the movies.

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>> Yeah, I was thinking Blade
Runner but okay.

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>> Yeah, exactly, exactly.

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Again, no tripods standing, you see
as I'm moving the path is smooth.

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But when I pull up my finger we,
well we, yeah we move to the

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exact position of the camera.

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>> Okay.

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>> We calculate and one of the magic
of Photosynth is that not

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only do we align the photos together.
We calculate where all

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the cameras were, or where the camera
was at all the different

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shutter locations, so that we know
that path. We can make that

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smooth, you know we can render them
through that path as we move.

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That's what makes
this so smooth.

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>> One of the things I've always
loved about Photosynth is the

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ability to zoom in. Do you still
have that ability here?

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>> Totally, totally, you know.

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>> Very nice.

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>> This one I think was a little, I'm
afraid might be a little noisy.

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Let's look at that one there
you know that you do.

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Absolutely you know as with Photosynth
originally we just bring

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those high resolution pixels in
when you need them. That over

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any kind of low and medium broadband
there's a great experience here.

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>> You don't get sent anything
you don't need.

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>> Exactly, so we've talked about
walls. We've talked about walks.

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This is what we call a spin. On
offering you know if you have

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a sculpture or you have a building,
or whatever spins are fantastic.

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But the other one of course is the
opposite of a spin is where

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you're looking out. It's really
panoramic and you're looking

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outwards not inwards.

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The new Photosynth also supports
panoramas. But we support it

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in a slightly different way than
the Stitched Panorama that we

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were one of the first companies
to offer in our mobile app.

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If you look at this carefully you
see parallax here. You see

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the foreground moving in
front of the background.

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If you think about what that must
mean. It must mean this wasn't

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shot in one position going like this
the way we encourage people

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to Stitch Panoramas.

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>> Yeah.

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>> This is actually shot
at arm's length.

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>> Yeah.

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>> The way most people actually do.

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[Laughter]

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You know so we've actually taken
a behavior that everybody does.

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Because you always want to look
at your screen, unless you know

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you look at your screen and move around
like this. That's actually

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introducing parallax. In cases like
this where some things are

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very close to you.

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That parallax adds...

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>> It's depth.

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>> You know it's almost if we've got
a 3-D screen here, you know.

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>> Yeah.

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>> This is a new kind of panorama.
It's a parallax panorama.

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The new Photosynth supports
that as well.

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>> You talked a little bit about
Web GLs. Has anything changed

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with how it processes
the Photosynths?

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>> Yeah, when we first launched Photosynth

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we, you downloaded a client application.

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You ran our computer vision code
on your own desktop or laptop.

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Then you uploaded the results.

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The big, the other big difference
here is that all the compute

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that calculates and analyzes these
photos. That generates the

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path that makes the pyramids of resolutions.

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All that happens in the server, it
happens in Azure and it happens,

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so you can upload indeed through
a regular web browser.

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You can upload your
set of photos.

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>> I can use a low end
computer now.

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>> You can use a low end computer.
You can, exactly, anything

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that's got a modern, a recent browser
on it can handle our uploads.

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You should upload as high a resolution
as you can wait for.

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>> It'll use all the pixels?

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>> It'll use all the pixels. You
know when moving it only uses

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maybe a mega pixel or so here. But
when you stop and I know you

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probably can't tell yet. But the resolution
just popped like that.

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Of course if we go
here we get more.

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>> Nice.

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>> Yeah we use Azure really significantly.
In fact if you're

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watching this you know on launch
day or immediately after.

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We are

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letting people upload, basically
we're asking people to sign

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up to be part of the, to be able
to process Synth so that we

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don't get you know 50,000 people
uploading hundreds of thousands

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of things, each of which require
minutes of processing.

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>> Yeah.

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>> We'll get there to support that
load. We want to ramp up...

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>> Let's talk about that because I'm
sure people want to get started

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with this. Where do they go and what's
the roll out process going

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to be?

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>> Right, so this is Photosynth.Net/preview.

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This is the site, this
is our preview site.

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This is the place where you can look
at them as I've been showing

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them to you. But you can also press
this button create your own.

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I'm already in the preview, so
for me it's just going to take

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me directly to where I can upload.

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But if you are not yet a member
of preview as you won't be if

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you're just coming the first time. This
page you'll see a signup page.

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It just asks you to give us your
email; if you give us an email

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address we'll send you an email when
we've admitted you to the preview.

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We're doing that on a first come
first serve basis. We hope

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if all goes well we hope to give
you, be able to admit people

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within a couple of days.

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>> Okay.

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>> We'll see how it goes.
It's exciting.

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>> Alright and can we see the difference
between the first Photosynth

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and Photosynth 2?

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>> Right, so the Photosynth
that we launched

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in 2008. Five years ago was more
general in some ways than what

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we're doing here. Because it could
take photo from any, you didn't

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have to worry about a shape
that you were capturing.

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You could capture different zoom
levels. This one by the way

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keep the zoom level at one setting.
But here is an interesting case.

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This is, a member of ours went to Florence.
This is the old experience.

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This is what Photosynth 1,

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the original Photosynth looked like.
Yes you can see the baptistery

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in Florence. You can click on different
ones there and you can

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still zoom in. That's great but
navigating this experience you

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know it's not as simple an easy
as it should be. It's certainly

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not in a world of Touch where you
just want stroke something

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and go.

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This is really not the kind of navigational
experience you want.

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One of the things we've actually
been able to do is reprocess

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some of the original Photosynths
into our new format. We haven't

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done a lot of these, but we've done
this one, because somebody

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shot all the way around it with the
same focal length. They shot

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a lot of images.

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Here this is the reprocessed
Synth from the baptistery.

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Look at that.

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>> Wow.

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>> It's spectacular if you've ever
been to Florence you know that

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these golden doors here are kind of
one of a big tourist highlights.

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>> Yeah.

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>> There's all the resolution there.

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You know I would say I think the viewing
experience is just fantastic

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of course.

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>> Yeah so smooth.

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>> We aren't, one of the things we
haven't done yet is being able

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to kind of get those details, those
zoom-ins. They're not part

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of the new Photosynth yet. We'll
get there but we're just you

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know we'll get there over a little
period. But we've, we wanted

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to emphasize the simplicity and beauty
of the viewing experience.

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I should say to that not only can
you see these on our site,

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you can embed these in your own site.

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I don't have a link, I don't have
a demo here today. But by

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the time we launch our partner
David Breashears who's a world

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famous photographer and a filmmaker,
who specializes in the Himalayas.

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He's given us access to all his,
to his high altitude imagery

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of Everest.

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We, from our site not only do we
have that on our site, but we

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also have a link to his embed of
that. He's got that stuff on

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his site as of launch day as well.

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If you think about the idea that
you want to make one of these

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new Photosynths, you can
put that on your blog.

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You can put that on your website.

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Anything that supports an IFrame can have
one of these new Photosynths embedded.

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Of course because all recent web
browsers support Web GL, it's

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pretty universally viewable.

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>> If I have old Photosynths that
I like and maybe they think

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that these different model times.

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Can I convert my old ones or should
I use my old pictures to

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create a new one?

00:14:24.700 --> 00:14:28.430
>> We don't, we're not offering
yet an ability to kind of with

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a button convert them in the Cloud.

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You should dig up those
old photos.

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>> I have them all.

00:14:34.410 --> 00:14:40.090
>> You should look for the ones that
at a constant zoom level, right.

00:14:40.140 --> 00:14:40.200
>> Okay.

00:14:40.250 --> 00:14:44.360
>> Because in the first version we
emphasize that you can change

00:14:44.410 --> 00:14:45.640
zoom levels anything like that.

00:14:45.690 --> 00:14:45.750
>> Yeah.

00:14:45.800 --> 00:14:49.370
>> That really, while that was, you
can still make one of these

00:14:49.420 --> 00:14:52.250
new Photosynths with different zoom
levels they don't look as good.

00:14:52.770 --> 00:14:53.390
>> Okay.

00:14:53.440 --> 00:14:57.190
>> Ideally find ones where you moved
either around an object or

00:14:57.240 --> 00:15:03.760
through a path, or you know along
a wall, with the same focal

00:15:03.810 --> 00:15:05.840
length or zoom level
and then just...

00:15:05.890 --> 00:15:07.790
>> And zoom with your feet
not with the lens.

00:15:07.840 --> 00:15:08.380
>> That's right.

00:15:08.430 --> 00:15:08.750
>> Okay.

00:15:08.800 --> 00:15:09.970
>> Get a little exercise.

00:15:10.020 --> 00:15:13.140
>> Alright, so what tips would you
have for making the Photosynth 2?

00:15:13.190 --> 00:15:15.500
What things should I consider when
I'm taking the shots with

00:15:15.550 --> 00:15:16.390
my camera?

00:15:16.670 --> 00:15:20.580
>> Okay, firstly you should know we've
got a great video on our website.

00:15:20.630 --> 00:15:24.120
If you go to the help section of
our new preview site you'll

00:15:24.170 --> 00:15:28.050
see a video which kind of skips
you through what to do.

00:15:28.100 --> 00:15:31.180
We've also got a shooting guide
there. We've also got an FAQ.

00:15:31.230 --> 00:15:34.840
But here are the key things you
need to remember. Firstly, like

00:15:34.890 --> 00:15:37.050
I just said, keep a constant
zoom level.

00:15:38.340 --> 00:15:43.790
Secondly, overlap your shots a
lot so that each point in the

00:15:43.840 --> 00:15:49.030
scene is in at least three successive
photos. If I'm walking

00:15:49.080 --> 00:15:52.410
forward you know I take a shot here,
click. I take another shot

00:15:52.460 --> 00:15:55.620
here, click. I take another shot
here, click. A lot of those

00:15:55.670 --> 00:15:57.890
things, many of the things in distance
will be in multiple.

00:15:57.940 --> 00:16:01.130
But the things on the side will
be in three in most cases.

00:16:02.170 --> 00:16:04.830
Three view overlap, constant
zoom level.

00:16:06.350 --> 00:16:09.400
Those are the two main things.
If you're trying to go around

00:16:09.450 --> 00:16:13.880
an object, you should know that
if you're going to make a full

00:16:13.930 --> 00:16:19.460
circle you need to take at least
25 photos, 25 to 40 is great.

00:16:19.510 --> 00:16:24.040
Some people take more. I wouldn't
go above 100 for a spin around

00:16:24.090 --> 00:16:26.350
an object. Twenty-five to 40 is excellent.

00:16:27.520 --> 00:16:30.590
Same for panoramas, if you want
to make one of these parallax

00:16:30.640 --> 00:16:36.110
panoramas that I said, you actually have
to be in a rather constrained spot.

00:16:36.160 --> 00:16:38.330
You have to have objects close
to you on all sides to be able

00:16:38.380 --> 00:16:42.020
to see that parallax. It may not be
appropriate for all environments.

00:16:42.560 --> 00:16:45.080
But in those cases you have to
get that three view overlap as

00:16:45.130 --> 00:16:48.150
you're moving around too, which means
a hell of a lot of shots.

00:16:48.200 --> 00:16:48.700
>> Yeah.

00:16:49.280 --> 00:16:51.850
>> Take lots of photos. Take the
highest resolution you've got

00:16:51.900 --> 00:16:55.120
available to you. I mean you don't
have to have DSLR camera.

00:16:55.170 --> 00:16:56.730
You can do this with a mobile phone.

00:16:57.660 --> 00:17:02.200
But the more pixels you upload the
more your users will be able

00:17:02.250 --> 00:17:03.850
to kind of see the results.

00:17:04.230 --> 00:17:07.790
>> Great and so Photosynth.Net/preview
is where to go to explore

00:17:07.840 --> 00:17:10.940
this on your own, and to get started
if you want to start making them.

00:17:10.990 --> 00:17:11.830
>> That's right.

00:17:11.880 --> 00:17:13.860
>> Great, well thanks for
talking to us today.

00:17:13.910 --> 00:17:19.090
>> Okay, thank you.


