Junior Cricket Practice Analysis System

1. Junior Cricket Practice Analysis System Kearan Mc Pherson Mr. J. Connan

2. Overview • Introduction • Design Decisions • Implementation • Project Plan • Demo

3. Introduction • Record ball bowled • Track the ball • Methods • Interpret the results

4. Design Decisions • User Interface Specification

5. Design Decisions (cont.) • Recording Technique

6. Implementation • Frame Differencing • Threshold • Gaussian Blur

7. Implementation (cont.) • Threshold • Super Impose • Blob Detection

8. Implementation (cont.) • Blob coordinates - data • Curve Fitting • Equation for data • Plot output in 3D

9. Tools Used C++ code for: • Thresholds • Frame differencing • Superimpose • Deinterlacing ????? Irfanview for: • Converting between different image file formats • Resizing my images

10. Tools Used (cont.) • MPlayer - to extract the frames • Imagemagick – Applying a blur • Curve fitting – to get x-y and x-z equations • Matlab - to get 3D data • Grapher – version 7

11. Project plan

12. Demo • Path of the ball in 2D • Before and after filtering • Show desired output • Plot of the path 3D

13. Output

14. Questions