These are the slides of the RoboCV Demo Session organized by roboVITics on August 10th, 2012 in TT247, VIT University, Vellore. The speaker was Mayank Prasad, President of roboVITics

1. ROBO-CV Computer
Vision
DEMO SESSION for Robots
Presented to you by
roboVITics in association with TEC
roboVITics – The official robotics club of VIT
TEC – The Electronics Club of VIT © Mayank Prasad, 2012 1

2. OVERVIEW
Introduction to
Computer Vision
Event Details of IP
Soccer
Demo Application
IP Algorithm for
Demo Application
Workshop Content
© Copyright roboVITics, TEC | Mayank Prasad, 2012 2

3. COMPUTER VISION
 Also known as Machine Vision
 Enables the machines/robots to have a sense of vision
 Eyes to humans n Camera to machines
 Camera sends electrical signals, which needs to be decoded
by the processor
 Usually, the camera is an USB camera, whose data can be
easily read by the processor
© Copyright roboVITics, TEC | Mayank Prasad, 2012 3

4. © Copyright roboVITics, TEC | Mayank Prasad, 2012 4

5. MACHINE VISION SYSTEM
Camera Hardware Serial Data
(Acquisition) Interfacing Transfer
Frame Host Target
Grabber Processing Processing
A/D Pre- Actuator
Converter processing Control
© Copyright roboVITics, TEC | Mayank Prasad, 2012 5

6. HOST
PROCESSOR
L a p to p
Processors can
also be used as
Host
Processors for
doing the major
image
processing
tasks
© Copyright roboVITics, TEC | Mayank Prasad, 2012 6

7. BASIC CONCEPTS
Digital Image – A multidimensional array of numbers
Aspect Ratio – Width:Height
Resolution – Width×Height
Pixel – Smallest Visual Element
10 10 16 28
Channel – No. of samples per point 65 70 56 43
9 6 9926703756
Single Plane – Grayscale/B&W Images 32 54 96 67 78
15 256013902296
Three Planes – Colour Images 21 54 47 42 67
32 158587853943 92
© Copyright roboVITics, TEC | Mayank Prasad, 2012
54 65 657 39 7
32 65 87 99

8. IP SOCCER Event
Fo r t h e F I R S T t i m e ev e r, a n I P E v e n t i n g r a V I Ta s Description
T h e m o s t a d v a n c e d ev e n t o f g r a V I Ta s t i l l n o w !
b y r o b o V I T ic s
© Copyright roboVITics, TEC | Mayank Prasad, 2012 8

9. Ball
DEMO APPLICATION Follower
© Copyright roboVITics, TEC | Mayank Prasad, 2012 9

10. DEMO ALGORITHM
Split RGB
Image Threshold Blue
Acquisition Enhance Region
Contrast
Find Contours
Calculate Area
Approx Poly Noise Removal
(range)
Draw Contours
Control Algo for Serial Data Microcontroller
Motors Transfer and Motors
© Copyright roboVITics, TEC | Mayank Prasad, 2012 10

11. © Copyright roboVITics, TEC | Mayank Prasad, 2012 11

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13. © Copyright roboVITics, TEC | Mayank Prasad, 2012 13

14. © Copyright roboVITics, TEC | Mayank Prasad, 2012 14

15. APPLICATIONS OF Practical
Applications
MACHINE VISION
© Copyright roboVITics, TEC | Mayank Prasad, 2012 15

16. WORKSHOP CONTENT
 Day -1, August 11 , Saturday (9am -5pm)
 Module 1: Introduction to Machine Vision
 Module 2: Introduction to OpenCV and MATLAB
 Module 3: Programming Concepts and Practices
 Module 4: Image Processing using OpenCV and MATLAB
 Day -2, August 12, Sunday (9am -5pm)
 Module 5: Image Transforms using OpenCV and MATLAB*
 Module 6: Contours in OpenCV and MATLAB
 Module 7: Hardware Interfacing using OpenCV and MATLAB
 All sessions are Hands-On. Software will be installed in the
participants’ laptops by the organizers.
 Participants will be provided with sample robotic kits to work
upon (for testing control algo and hardware interfacing).
*May be skipped, depends upon requirement
© Copyright roboVITics, TEC | Mayank Prasad, 2012 16

17. FULL DAY WORKSHOP
AUGUST 11-12, 2012
SATURDAY – SUNDAY
TT311 SMART CLASSROOM See you
around
9AM-5PM (BOTH DAYS) tomorrow!
Register in teams of 2-3
Good Bye!
Bring one/two laptops per team
Registrations limited to 20 Teams
Students should attend both the days
For Registrations & Queries
Contact Akshat, +91-909 250 3053
© Copyright roboVITics, TEC | Mayank Prasad, 2012 17