title page
ABSTRACT
Contents
LIST OF ABBREVIATIONS 12
I. INTRODUCTION 13
II. RELATED WORK 17
III. PROTOTYPE 21
3.1. Hardware 21
3.2. Software 22
3.3. Operation 22
3.3.1. Object Recognition 22
3.3.2. Mouse and Gesture 23
IV. OBJECT RECOGNITION 25
4.1. The Algorithm 25
4.1.1. Stitching Images 25
4.1.2. Drawing Boundary Lines 27
4.1.3. Removing Background 27
4.1.4. Feature Extraction 27
4.2. Classification Method 29
4.2.1. Template Matching 29
4.2.2. Neural Network 31
4.3. Object Registration and Training 32
4.4. Experiments 34
4.4.1. Experiments I - Recognition Probability 34
4.4.2. Experiments II - Distance Variation 35
V. COMMAND AND CONTROL 39
5.1. Mouse 39
5.2. C&I Mouse Feasibility Test 41
5.3. Gesture Command 47
VI. DISCUSSION 50
6.1. Object Recognition 50
6.2. Command and Control 54
VII. CONCLUSION AND FUTURE WORK 57
[국문요약] 59
REFERENCES 60
ACKNOWLEDGEMENT 62
CURRICULUM VITAE 64
PUBLICATIONS 65
Table 4-1. Result of the first experiment: the average prbabilities of correct object recognition. 35
Table 4-2. Result of the second experiment: recognition probabilities of 4objects from different distances. 36
Figure 2-1. Smart Baton System (from ref. [1]) 17
Figure 2-2. Spatial Interaction Device 18
Figure 2-3. XWand (from ref. [2]) 19
Figure 2-4. CyberCode (from ref. [7]) 19
Figure 2-5. DoubleShot (from ref. [9]) 20
figure 3-1. Circle & Identify front-end device prototype 21
Figure 3-2. Circling Gesture 23
Figure 4-1. The algorithm : (a) a stitched Image, (b) boundary lines (the… 26
Figure 4-2. Feature Values : (a) and (b): the feature values of a wall… 28
Figure 4-3. The test target objects: (a) Red book, (b) Wall clock, (c)… 30
Figure 4-4. Object registration & training Program. 33
Figure 4-5. Stitched images from different distances - Top left : 1m Top… 37
Figure 5-1. The two C&I states 39
Figure 5-2. TrackPoint on IBM notebook (from IBM) 42
Figure 5-3. FeelTip (from ref. [11]) 42
Figure 5-4. Random dot target test program 43
Figure 5-5. Completion time of the random dot target test. 44
Figure 5-6. The graph of T and ID 45
Figure 5-7. Throughput of random target test 46
Figure 5-8. TV program and its gesture command mapping 49
Figure 5-9. Common TV remote control interface (from SAMSUNG) 49
Figure 6-1. Circling Accuracy : (a) and (b) are the examples that are… 51