junior cricket practice analysis system

Kearan Mc PhersonMr. J. Connan

OverviewIntroduction

Design Decisions

Implementation

Project Plan

Demo

Introduction

Record ball bowled

Track the ball

Methods

Interpret the results

Design DecisionsUser Interface Specification

Design Decisions (cont.)Recording Technique

Implementation

Frame Differencing

Threshold

Gaussian Blur

Implementation (cont.)

Threshold

Super Impose

Blob Detection

Implementation (cont.)

Blob coordinates - data

Curve Fitting

Equation for data

Plot output in 3D

Tools UsedC++ code for:

Thresholds

Frame differencing

Superimpose

Deinterlacing ?????

Irfanview for:

Converting between different image file formats

Resizing my images

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

Project plan

GOAL DUE DATEUser testing From 15 September 2008

Create a User Guide 20 October 2008

Demo and Final Documentation End of term 4

Demo

Path of the ball in 2D

Before and after filtering

Show desired output

Plot of the path 3D

Output

Questions