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From Edges to Objects. Piotr Dollár and Larry Zitnick. outline. structured edge prediction [Dollár & Zitnick, ICCV13, arXiv14]. from edges to objects [ Zitnick & Dollár, ECCV14 ]. what defines an edge?. Brightness Color Texture Parallelism Continuity Symmetry ….

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from edges to objects

From Edges to Objects

Piotr Dollár and Larry Zitnick

outline
outline

structured edge prediction [Dollár & Zitnick, ICCV13, arXiv14]

from edges to objects[Zitnick & Dollár, ECCV14]

what defines an edge
what defines an edge?

Brightness

Color

Texture

Parallelism

Continuity

Symmetry

Let the data speak.

upgrading the output space
upgrading the output space

year

bits

{ 0, 1 }

1

CVPR06

{ … }

8

CVPR13

256

ICCV13

slide11

original image

pixel 

structured 

sharpened 

slide12

30Hz

ODS = 0.73

12.5Hz

2.5Hz

ODS = 0.75

ODS = 0.74

SH

SH+MS

gPb ODS=.73 FPS ≈ 1/240 Hz

gPb ODS=.73

SH = sharpen MS = multiscale

outline1
outline

structured edge prediction [Dollár & Zitnick, ICCV13, arXiv14]

from edges to objects[Zitnick & Dollár, ECCV14]

object proposals
object proposals

Selective Search - 2011

Ojectness - 2010

CPMC - 2010

Random. Prim’s - 2013

object proposals from
object proposals from ?

sliding windows? segments? superpixels?

SLIC - 2012

SEEDS - 2012

thanks
thanks!

source code available online

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