?????????? Computer Vision(CV) ??????? ??

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??????????Computer Vision(CV)??????? ??
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3
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?? ???????????. ??F1 (1,1,1,1), F2(1,1,-1,-1),
F3(1,-1,-1,1) ??1. ƒ (8, 2, 0, 6) ??2. g
(3, 6, 2, 0) ?? ??????????????.
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DCT??DCT
DCT?? ƒ (8,2,0,6) aF1bF2cF3
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6
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7
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8
2???DCT
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DCT??
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8????
11
DCT??
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DCT??????????
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3
2
1
DCT??
-1
-2
-3
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????????(????????????)

• 8 16 19 22 26 27 29 34
• 16 16 22 24 27 29 34 37
• 19 22 26 27 29 34 34 38
• 22 22 26 27 29 34 37 40
• 22 26 27 29 32 35 40 48
• 26 27 29 32 35 40 48 58
• 26 27 29 34 38 46 56 69
• 27 29 35 38 46 56 69 83

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????1
2???????
1.G??DCT??????????? 2.G????????
?????????????? 3.G? ??????????????
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SSD (Sum of Squared Difference)
SAD (Sum of Absolute Difference)
Modified SSD
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GOP?????(????)??(Group Of Picture)
B0 B1 I2 B3 B4 P5 B6 B7 P8.B12 B13 P14
I2 B0 B1 P5 B3 B4 P8 B6 B7 P14 B12 B13
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I2 B0 B1 P5 B3 B4 P8 B6 B7.P14 B12 B13
B0 B1 I2 B3 B4 P5 B6 B7 P8. B12 B13 P14
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GOP?????(????)??(Group Of Picture)
B0 B1 I2 B3 B4 P5 B6 B7 P8B12 B13 P14
I2 B0 B1 P5 B3 B4 P8 P14 B12 B13
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I2 B0 B1 P5 B3 B4 P8 B6 B7. P14 B12 B13
B0 B1 I2 B3 B4 P5 B6 B7 P8.B12 B13 P14