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7/30/2019 Ch03-3 - X l nng cao cht lng nh
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X l nng cao chtlngnh
11/01/2013Phm Vit Hng Nhp mn x l nh 1
7/30/2019 Ch03-3 - X l nng cao cht lng nh
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Cc kthutx l nhnhm nng cao chtlng
Sdng ton tim
Sdng ton t khng gian
Khi phcnh do nhiu
11/01/2013 Phm Vit Hng Nhp mn x l nh 2
7/30/2019 Ch03-3 - X l nng cao cht lng nh
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Thng thngnhc coi l mtminmc
xm ngnht. Sbinimc xm l lin tc.
Nhvy sau s ha trong mtcasnh th gi
tr cc mc xm l tngign nhau.
Tuy nhin thct c mtsim c mc xm
khc tnginhiu so vi cc im khc.
Nhvynhiu l sdchchuyntngtca tn
hiu trong mtkhongnh.
11/01/2013 Phm Vit Hng Nhp mn x l nh 3
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11/01/2013 Phm Vit Hng Nhp mn x l nh 4
7/30/2019 Ch03-3 - X l nng cao cht lng nh
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11/01/2013 Phm Vit Hng Nhp mn x l nh 5
7/30/2019 Ch03-3 - X l nng cao cht lng nh
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Trong mi hnh rirc:
g(x,y) thnh g[m,n]
g(x,y) thnh g[m,n]
nhiu(x,y) thnh [m,n]
nh sau qu trnh thu nhnnh l:
11/01/2013 Phm Vit Hng Nhp mn x l nh 6
nmnmgnmhnmg ,,*,,'
7/30/2019 Ch03-3 - X l nng cao cht lng nh
7/1211/01/2013 Phm Vit Hng Nhp mn x l nh 7
h[m,n][m,n]
g[m,n]
g[m,n]
g[m,n]* h[m,n]
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Nhiu do thitb thu nhnnh:
Quang sai cathu knh
Nhiu do cmbin
Nhiu do rung ng
Nhiungu nhin v clp
nhhngca mi trng
Nhiu do vt quan st
Do bmt nhm, gy tn xtonhiulmm
11/01/2013 Phm Vit Hng Nhp mn x l nh 8
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Lco
Lcgio
Lcnhiulmm
Lcngcu
11/01/2013 Phm Vit Hng Nhp mn x l nh 9
7/30/2019 Ch03-3 - X l nng cao cht lng nh
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Lco l sdng hm ngccanhiuh
thng h[m,n].
11/01/2013 Phm Vit Hng Nhp mn x l nh 10
7/30/2019 Ch03-3 - X l nng cao cht lng nh
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Nubit hm nhiungu nhin th c thsdng
php lc:
11/01/2013 Phm Vit Hng Nhp mn x l nh 11
],[*]),[],['(],[1 nmhnmnmgnmg
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Do vic xc nh hm h-1[m,n] l khng chnh xc
v i lc l khng xc nhc
Lcgio l mtlachntt thay thlc
o
Lcgio xc nh hm h-1[m,n] viphng
php gnng gip vicclngnhgctt
hn
11/01/2013 Phm Vit Hng Nhp mn x l nh 12