Edit this text to create a Heading




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this text to create a Heading




This subtitle is 20 points
Bullets
are blue
Panorama
Light-Field Imaging
They have 110% line spacing, 2 points before & after
Clemens Birklbauer and Oliver Bimber
Longer bullets in the form of a paragraph are harder to
Johannes Kepler University Linz
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this textLight-Field
Motivation:
to create aProcessing
Heading




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
© Matthew Field, Flickr
Motivation:
Edit this textLight-Field
to create aProcessing
Heading




Light-Field
This
subtitleCameras
is 20 points
Light-Field Displays
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
G. Wetzstein, D. Lanman, M. Hirsch, R. Raskar.
Lytro
Raytrix
 Sub bullets look like this
Tensor Displays: Compressive Light Field
Synthesis using Multilayer Displays with
Directional Backlighting. Proc. of SIGGRAPH
2012
Edit this text
Panorama
Light-Field
to create Imaging
a Heading




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit thisWork
Related
text to create a Heading
 Stereo
This subtitle
Panoramais 20 points
Concentric Mosaics
 Bullets are blue
 They have 110% line spacing, 2 points before & after
 Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
Li, J., Zhou, K., Wang, Y., and Shum,
Shum, H., and He, L.: Rendering with
(seven).
Peleg, S.,
Ben-Ezra, M., and Pritch, Y.:
Omnistereo: panoramic stereo imaging.
IEEE Transactions on Pattern Analysis and
Machine Intelligence 23 (2001), 279–290.
concentric mosaics. In: Siggraph ’99,
ACM (1999), 299–306.
 Sub bullets look like this
H.: A novel image-based rendering
system with a longitudinally aligned
camera array. In Eurographics’00
(2000), 107–114.
Edit this text to create a Heading
Overview




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this
Light
Field
text
toto
Focal
create
Stack
a Heading
  Synthetic
apertureisreconstruction
This subtitle
20 points
 Light field to focal stack conversion
 Bullets are blue
They have
  Plenoptic
1.0 110% line spacing, 2 points before & after
No depthbullets
information
for of a paragraph are harder to
 Longer
in needed
the form
focal stack creation (e.g. Lytro)
read
if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
 Plenoptic 2.0
(seven).
Uses depth information for focal
Raytrix)
stack
Subcreation
bullets(e.g.
look
like this
Edit this
Focal
Stack
textto
toAll-in-Focus
create a Heading
Image
  Compute
L1 normisof20 points
This subtitle
horizontal and vertical
 gradients
Bullets are blue
They in
have
110% line spacing, 2 points before & after
  Results
sparse
map
from in the form of a paragraph are harder to
 defocus
Longer
bullets
focal slices with
read if there
highest gradient
is insufficient line spacing. This is the
maximum
recommended
number of lines per slide
 Apply
median filter
to
(seven).
defocus
map
 Compose
all in focus
 Sub bullets
lookimage
like this
based on defocus map
Edit this text
Compute
Registration
to create a
Parameters
Heading




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
Brown, M., Lowe, D.G.: Automatic panoramic image stitching using invariant
Techniques used:
4D motion model (3 rotation + focal length), SURF
feature extraction, pairwise feature matching,
RANSAC outlier detection, bundle adjustment,
wave correction, exposure compensation,
blending seams, multiband blending
features. International Journal of Computer Vision 74 (2007), 59-73.
Shum, H.Y., Szeliski, R.: Systems and experiment paper: Construction of panoramic
 Sub bullets look like this
image mosaics with global and local alignment. IJCV 36 (2000), 101-130.
Uyttendaele, M., Eden, A., and Szeliski, R.: Eliminating ghosting and exposure
artifacts in image mosaics. In CVPR (2), IEEE Computer Society (2001), 509–516.
Edit this text
Compose
Panorama
to createFocal
a Heading
Stack




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this text Panorama
Refocusable
to create a Heading
 This subtitle is 20 points
 Bullets are blue
 They have 110% line spacing, 2 points before & after
Longer
in the form of a paragraph are harder to
 Focal
stack bullets
+
defocus
read map
if there is insufficient line spacing. This is the
 maximum
E.g. for web recommended number of lines per slide
viewer
(seven).
 No perspective
aperture
or Sub
bullets look like this
changes
Edit this
Focal
Stack
textto
toLight
create
Field
a Heading
 Linear view synthesis




This subtitle is 20 points
 Levin A., Durand F.: Linear view synthesis using a dimensionality gap light
Bullets
areIn blue
field prior.
CVPR (2010)
 Needhave
PSF (known
from
lightspacing,
field to focal2stack
conversion)
They
110%
line
points
before & after
Longer bullets in the form of a paragraph are harder to
focal stack
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
PSF
 Sub bullets look like this
shift and average
2D deconvolution
new light-field perspective
Edit thisPerspective
Change
text to create a Heading




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit thisApplications
Further
text to create a Heading




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this text
Panoramic
Light-Field
to create aParameterization
Heading
rays leave viewing circle with constant angle α




This subtitle is 20 points
Bullets areα blue
different angle = different LF perspective
α2
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
viewing circle
image surface
Edit this text
Light-Field
Caching
to create a Heading
 Fast
GPU
Thisrendering
subtitlewith
is 20
points
without caching
(ondemand loading)
Bullets
blue
 Very
largeare
(7.61
GB)
 They have 110% line spacing, 2 points before & after
 Longer bullets in the form of a paragraph
harder
to
(red areasare
denote
missing data)
 Data doesn’t fit into graphics memory
 Caching
with is
caching
read if needed
there is insufficient line spacing. This
the
maximum recommended number of lines per slide
(seven).
 Opelt, S. and Bimber, O.: Light-Field
 Extended version of:
ACM look
Siggraph
 Caching,
Sub bullets
like(poster),
this
2011
Edit this text to create a Heading
Rendering




This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this
Pros
andtext
Cons
to create a Heading





Limitations
This subtitle
is 20 points
Lambertian
scenes
Bullets are
blue with modest
depth discontinuities
Advantages
 Simple and robust approach
 Uses conventional panorama
They have 110% line spacing, 2 points
before
& after
stitching
techniques
Panorama stitching distorts
Longer
bullets in the form of a paragraph
are harder
to
No precise depth
reconstruction
focal stacks:
or pose estimation
needed
 Mayifcause
for linear line spacing.
read
thereproblems
is insufficient
This is the
view synthesis (PSF changes)
 Compatible
plenoptic
maximum
recommended number
of lines toper
slide 1.0 and
 Chosen rendering model does
2.0 cameras
(seven).
not exactly model the actual
 Focal stacks captured by
 Sub bullets
look like this
conventional cameras can be
capturing
process
used as well
Edit this
Future
Work
text to create a Heading
 Test
unstructured
capturing setups and other light-field cameras
Thismore
subtitle
is 20 points
 Bullets
blue and performance to other approaches
Compareare
robustness
 They
 Simply
have
stitch
110%
light-field
line perspectives,
spacing, 2 3D
points
reconstruction,
before &…after
 Longer
bullets in the form of a paragraph are harder to
Directly register light fields
read
if there
is insufficient line spacing. This is the
 Might
be less robust as precise registration needed
maximum recommended number of lines per slide
 Automatic
(seven). parameter estimation
 Sub bullets
look like for
thispanoramic light fields
 Implement
a web-viewer
Edit this text to create a Heading




Thank you!
This subtitle is 20 points
Bullets are blue
www.jku.at/cg
They have 110% line
spacing, 2 points before & after
Longer bullets
in the form of a paragraph are harder to
We thank the Raytrix GmbH for capturing and providing the raw data.
Austrian Science Fund
(FWF):spacing.
P 24907-N23
read if there is insufficient
line
This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this
Edit this
textslide
to create
This
hasaaHeading
16:9 media




window
This subtitle is 20 points
Bullets are blue
They have 110% line spacing, 2 points before & after
Longer bullets in the form of a paragraph are harder to
read if there is insufficient line spacing. This is the
maximum recommended number of lines per slide
(seven).
 Sub bullets look like this