1. AEGIS 2nd International
Conference 2011
COGNITIVE NAVIGATION AND
OBJECT DETECTION SYSTEM
FOR BLIND PEOPLE
Larisa Dunai
Guillermo Peris-Fajarnes
Teresa Magal-Royo
Beatriz Defez

2. AEGIS International
Motivation Conference 2011

3. AEGIS International
Introduction Conference 2011
Communication localization

4. AEGIS International
Introduction Conference 2011
¿From
where?

5. AEGIS International
Objective Conference 2011
 Design an Electronic Travel Aid system
(ETA) for object detection and navigation for
blind people
 inform the blind user about near and far static
and dynamic objects through acoustical
signals
 Stereovision

6. AEGIS International
Objective Conference 2011

7. AEGIS International
State of the art Conference 2011
Detectores de obstáculos Sensores del entorno Navegación
Ultrasonidos Láser y ultrasonidos Identificador de posición
-Talking Signs
-Lindsay Russell Pathsounder -Sonic Torch -Taling Lights
-Mowat sensor -Sonic guide -Sonic Orientation Navigation Aid
-Light Probes -KASPA -Marco
-Verbal Landmark
-Nottinham Obstacle Detector -Bat K Sonar
-Easy Walker
-Miniguide
-Pilot Light
-Trisensor
Láser -Ultracane Localización del usuario
Video
-Laser Cane - SWAN
-Ultracane -The vOICe
-Sonic Pathfinder -Navigation Assistance for Visually Impaired
-Polaron -Tyflos device
-EPEL
-Walk Mate
-System for wearable Audio Navigation
GPS
- Trekker
-Geotact
-Tormes
-GPS Braylle Note
-Personal Guidance System
-Talk & Wayfinder

8. AEGIS International
System design Conference 2011
INPUTS OUTPUT
environment

9. AEGIS International
Real-Time Assistance Prototype Conference 2011

10. AEGIS International
Real-Time Assistance Prototype Conference 2011
Stereo
cameras
PPM
images
Processing Unit
Stereo Camera calibration
Acoustical Module
Object distance
Object detection and Free
space detection
Object speed
Segmentation algorithm
Object direction
Depth Map Estimation
Object height
Bounding Box Algorithm
Free Space coordinates
Headphones
Acoustic
sounds
Fig.2. Real-Time Assistance Prototype block diagram

11. AEGIS International
Acoustical system Conference 2011
 Distance
 Direction
Object  Height
 Speed
 complexity

12. Object segmentation using depth AEGIS International
Conference 2011
maps, sparse dots and bounding box

13. AEGIS International
Experimental scenario Conference 2011
15 m
12 m
10 m
5m

14. AEGIS International
Experimental trial Conference 2011
video