Perceptify Vocabularies

1
Perceptify Vocabularies

• Xiaofen Zheng
• Faculty of Computer Science
• Dalhousie University

2
Human Vision

• Gestalt Laws

3
GET Models
Curve Partition Points
Generic Segments
The eight categories of generic segments.
The eight categories of curve partition points.
GS Description
CPP Description
4
Experimental Results
5
Experimental Results (Contd)
The original image
Edge trace and CPPs illustration
6
Classification Experimental Result
The original image
The eight categories of generic segments.
7
Perceptual Junctions
Low-level PJs
High-level PJs
LPJs descriptions
HPJs descriptions
8
Experimental Result
The original image
9
Grouping
Ellipse Grouping
Parallelogram Grouping
A parallelogram model
An ellipse model
Ellipse
The definition of ellipse
10
Experimental Results
The edge segments and CPPs
Ellipses grouping (confidence gt 75)
The original image
Confidence
11
Experimental Results (Contd)
Parallelograms grouping (confidence gt 75)
The edge segments and CPPs
The original image