INTRODUCTION 1 LITERATURE REVIEW 6 METHODOLOGY 36 RESULT AND DISCUSSION 58

v TABLE OF CONTENT Abstract i Abstrak ii Dedication iii Acknowledgement iv Table of Content v List of Abbreviations, Symbols and Nomenclatures viii List of Figures ix List of Tables xi

CHAPTER 1: INTRODUCTION 1

1.1 Background of study 1 1.2 Problem statement 4 1.3 Objectives 4 1.4 Scope 4 1.5 Report structure 5

CHAPTER 2: LITERATURE REVIEW 6

2.1 Introduction 6 2.2 Automatic ablution machine 6 2.3 Image processing technique 8 2.4 Skin colour classification 9 2.4.1 Dynamic hand gesture segmentation 9 2.4.2 Static hand segmentation 15 2.5 Journal analysis 19 2.5.1 Journal mapping 19 2.5.2 Journal review tables 23 2.6 Summary 24 vi

CHAPTER 3: METHODOLOGY 36

3.1 Introduction 36 3.2 Overall methodology 37 3.3 Literature review 39 3.4 Planning 39 3.5 Develop of system 40 3.5.1 Hardware system 41 3.5.2 Software system 45 3.5.2.1 MATLAB software 45 3.5.2.2 Arduino 47 3.5.2.2.1 Arduino Pin Description 48 3.5.2.2.2 Characteristic 49 3.6 Programming 50 3.6.1 Image processing techniques 58 3.6.1.1 Stage 1 : Image acquisition 51 3.6.1.2 Stage 2 : Image pre-processing 51 3.6.1.3 Stage 3 : Image enhancement 51 3.6.1.4 Stage 4 : Classification Process 52 3.6.2 Skin detection method 53 3.7 Hardware testing and analysis 54 3.7.1 Experimental setup 54 3.7.2 Experiment procedure 56 3.7.3 Expected result 56 3.8 Summary 57

CHAPTER 4: RESULT AND DISCUSSION 58

4.1 Introduction 58 4.2 Designing programming 58 4.2.1 Programming flowchart 59 4.2.2 Programming algorithm 60 4.3 System structure 62 4.3.1 Matlab coding 65 4.3.1.1 Stage 1 : Image acquisition 62 vii 4.3.1.2 Stage 2 : Image pre-processing 63 4.3.1.3 Stage 3 : Image enhancement 63 4.3.1.4 Stage 4 : Classification Process 64 4.3.2 Arduino coding 64 4.4 Skin detection experiment 64 4.4.1 Skin detection using MATLAB 66 4.5 Water consumption of ablution system 68 4.5.1 Manual ablution 68 4.5.2 Automatic ablution machine 70 4.5.3 The overall volume for water consumption 72 4.6 Water consumption cost 77 4.6.1 Manual ablution cost 78 4.6.2 Automatic ablution machine cost 78 4.6.3 The overall cost of water consumption 79 4.7 Overall discussion 81 4.8 Summary 82

CHAPTER 5: CONCLUSION AND FUTURE WORKS 83