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第九章 空間資料結構設計 PowerPoint PPT Presentation


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第九章 空間資料結構設計. 9.1 前言. 9.2 黑白影像的空間資料結構表示法 9.3 視窗查詢的四分樹分割 9.5 高灰階影像的空間資料結構表示法 9.8 作業. 9.2.1 四分樹表示法 9.2.3 線性四分樹表示法 9.2.5 內插二分碼. 9.2.2 深先表示法 9.2.4 S 樹搜尋. 9.2 黑白影像的空間資料結構表示法 9.2.1 四分樹表示法. 四分樹切割. 圖9. 2.1.1 所示的黑白影像。利用四分樹的切割方式, 其樹狀表示法如圖9. 2.1.2 所示。. 圖 9.2.1.1 黑白影像. 圖9.2 .1.2 四分樹表示法.

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第九章 空間資料結構設計

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3757116


3757116

9.1

  • 9.2

  • 9.3

  • 9.5

  • 9.8

  • 9.2.1

  • 9.2.3

  • 9.2.5

  • 9.2.2

  • 9.2.4 S


9 2 9 2 1

9.2 9.2.1

9.2.1.1 9.2.1.2

9.2.1.1

9.2.1.2


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9.2.3169.2.4(a)9.2.4(b)

(b)

(a)

9.2.3 44

9.2.4


9 2 2

9.2.2

B(Black)W(White)G(Gray)

G

W

B

9.2.1.2GGWWWGBWBWBWGWWGWWBBB

9.2.1.2 ((000 (101010(00(00111

9.2.1.2


9 2 3

9.2.3

(i,)9.2.1.2S20(0,322)0S20032

iS1333XX9.2.1.2 03003232232333X

9.2.1.2


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0NW, 1NE, 2SW, 3SE

10X, 130, 132, 21X, 22X, 231, 232, 3XX

3XX, 10X, 21X, 22X, 130, 132, 231, 232


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  • CBLQ

CBLQ

0

1

3

2

9.2.1.2221020003003110100011

9.2.3.1CBLQ


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  • 9.2.3.2 256 256 65536

  • 19024

  • CBLQ17148

  • 13957

  • JBIG10967

9.2.3.2

256 256


9 2 4 s

9.2.4 S

S9.2.1.19.2.4.1

0

1

9.2.4.1 0001010111010010011011011

0

1

9.2.4.10010010010101

9.2.4.19.2.1.1


9 2 5

9.2.5

9.2.5.1(a)9.2.5.1(b)(0,1)

lijs

(c)

(a) 44

(b)

9.2.5.1


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9.3

989.3.1(1,15)9.3.1 22442411

(2,12,2,2)

(2,10,2,2)

(4,12,4,4)

nn

9.3.1 98


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9.5

9.5.1O(1,5)1x5C(11,13)A4

A7=(5+2)

9.5.1


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9.5.29.5.39.5.3

g(x,y)(x,y)

(x,y)

9.5.2

9.5.3


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9.2.4S9.18S

00000000010101111111111

(eul , eur , ebl , ebr) , (hul , hur , hbl , hbr) , , (jul , jur , jbl , jbr)


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(Blocking Effect)

2n2n(2n+1)(2n+1)

(Overlapping Strategy)


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=219.5.4bpp(Bit Per Pixel)1.35 bits8bits83%

JPEG(Joint Photographic Experts Group)(Decoding Time)3~4

9.5.4 =21

9.5.5


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9.8


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