33. һάг̱һصԣ жͼɨ裬ȻɨĽ
ûпǵijַ֮ ȿ֮ˮƽ
б롣һάгֻ̱֮ԣ ԣάг̱ǰһɨ·߽ɨ裬 ԣֿشֱԡ
34. άг̱ͼĶάϢǿԣ ͼһɨ·߽ɨ
еص㣬õڵĹϵһάг̱ķȿ ֮ˮƽԣ ֿشֱԡ ֮ԣûпǵijַ֮ԣ
һάгֻ̱
35. һάг̱һصԣ жͼɨ裬ȻɨĽ
ûпǵijַ֮
б롣һάгֻ̱֮ԣ ԡ
άг̱ͼĶάϢǿԣ
ͼһɨ·߽ɨ
еص㣬õڵĹϵһάг̱ķȿ ֮ˮƽԣֿشֱԡ
36. ѹ㷨ܶ࣬ г̱롢ȡÿֲͬѹ뷽и ͬص㡣г̱óԶظֵб룻 ЧؽƵʸߡ Ͳͬݽб롣 Դﵽߵѹʣǻѹ˼롣
ͬı뷽ʽĽһ
37. ԭʼɨռռΪ 22*8=176bits
г̱Ľǣ4a3b2c1d5e7f ,ռ6 3+8=66bi tsѹΪ176:66 Hufman г̱ϣ 41030012000110000511701 ռ 3+2+3+3+3+4+3+4+3+2+3+2=35 bits ѹΪ176 35.ѹߡ
38. ͼͼСͬ״һµɡͼ öάʾȻͼͨѧϵͳɵϵͳתΪģͼ
ͼźţģ /תADCõԭʼͼźšͼ ɢҪ衣ڿռ佫̳Ϊɢ ֵǻҶȻɫʣĹ̳Ϊ
һͼķ
39. ͼѧģⷽʽȾص㣺 1 ?źŴеص㡣 Ըߡ
2 ?ͼͼǹ˹۲۵ģҲΪӾԤ 3 ?ͼ 4 ?ͼۺǿ
40. ͼǽľлȡתΪͼǿ任 롢ָؽѹָȴһͼתΪһµ ͼ
ӭ
13
1 ȸߡ2 ܺá3
41. ͼͼϵͳӦüר豸ͼϢд ϢϵͳͼϵͳͼӲͼ
ͼӲҪͼ
豸ͼ㴦豸 ͼ洢ͼ豸ɡϵͳ ϵͳӦȡ
42. ĿǰͼϵͳΪ ӿڡ
Vi su al C+ + ӻɹߣ
MATLABͼ䣨Image Processing Tool boxֿ߸
Microsoft˾VC++һ־и߶ۺܵӻɹߣ Win 3 2ٶȿ졢ֲǿŵ㡣 MFCԴûйص
VC++ṩMier osoft
Wi n 32Ӧóӿ API˷װ˴
VC++ 6. 0ṩĶ̬ӿ
ĿԣӦóڣ˿ɱͼʽҸӣ Ϊ˼ԱҪضͼ㷨ϣ
ImageLoad. dl l֧BMPJPGTIFȳ6ָʽĶдܡ
MATLABͼ MATLABMathWo rks˾Ƴֵ ߣһֵĴԣ൱ǿľͲܣ ɴͼ
ӶʡдͲ㷨ʱ䣬
ʹǰ
ѷӵij롣MATLABͼṩ˷ḻͼЩ еظͶMATLABͼ亭ڹʵоͼֶκ 㷨ͼξͼıʾͼ任ά˲ͼǿIJֽԵ ⡢ֵͼСμΡͼûȡǣ
֮ͼʵӦáȣǿĹֻڰװ ĻʹͼеĺԱ ͷʽִд룬ִٶȺ
MATLABҲڲ
MATL ABϵͳ
mļʵ֡Σ MATLABʹн
C API֧
MATLABó㣬ѭͼ
Ĵ C++ԡΪˣͨӦóӿ APIͱ C++Javaȣϱ̽ᷢӸֳ֮Эͬͼ MATLABⲿĽ ԵӦóʹ MATLAB
MATL ABijӶʹ
43. ͼӦǿֱӹûʹõƷûʹùֻܳҪ˽
ӭ
14
IJͿͼ Դû˵ƷͼӦ
ûб̣㣬ȫѾһõ㷺Ӧáͼ Ӧ¼֣
1 . PHOTOSHOPһͼߣԽƷ ĪPHOT OSHOPѳΪͼרҵ߰汾 O SHOPֶ֧ͼĹʽֻ
PHOTOSH 0Pֶ֧
20ͼʽTWAINӿڣһɨǡͼ豸ɼͼ PHOT
PHOT OSHOPɫʹͼ㹦
PHOT OSHOPԷض
Ժܷر༭ͼʹƽƳ⡣
ͼиƽ洦ƼļͼΡֽӹͼʽɫ ģʽתıͼijߴͷֱʡҳͼȡ
2 . CorelDRAW һֻʸͼǿͼͼλͼʽͼ ɵģԣʸʽͼԼΡ
ɫʲͼ ɫ
λͼʽͼڱ
ΪɼòͬļֶοûҪ
ɫȻϴʸʽͼǿڱɫͼС
ֲͬ͵ͼַʽ յ벻Ч Core IDraw еͼΪصԡ
ǿĻʸͼ
ԷƬؿǩͼ桢桢Ʒ 3 . ACDSee١ܵĿͼĿǰʢͼƬܹ㷺Ӧ ͼƬĻȡŻ֧ ƵļΪÿһĿ¼һᡣ ƬбݵIJҡ֯Ԥ
44. ͼӦüѧо̼ĸʦ Էѧ 6Ŀ⣬ͨĶοסԴֶдͼ ҪӦõĶģŽᡣ 1 ?ͺռӦ 2 ?ҽѧ̷Ӧ 3 .ͨŹ̷Ӧ
4 ?ҵԶͻӾӦ 5 .ºӦ 6 ?ַӦ
45. ʱһάҶ任һάҶ任ʵ֡ʵֵķ ͼʾ
BMPGIFJPGTGATIFȳ50ֳ
GIF,Mpeg֮ೣõ
ACDSeeԴɨǸЧȡͼ
ͼļʽͼƬٶȼ죬ֱӲ鿴
ACDSeeǵӦֵͼƬ༭ߣɴ
ӰӵȥۡͼЧعתȹܣܽ
ӭ 15
(0,0|
I (0,0)
y (0.()
F(X,V)l r
F(x,y) t
M-1
F(u.v)
M-ll
M-1
б任
46.
ȡͼѹ ״ȷ档 47. MATLAB£ A=imread('rice.tif ); imshow(A); A2=fft2(A);
һά
任ʹͼҪзֲڵ
ƵʳɷϣԵϢӳڸ Ƶʳɷϡ任㷺Ӧͼǿ ͼָ
A2=fftshift(A2 ); figure,imshow(log(a b s(A 2 )+1),[0 10 ]); 48. MATLAB£ RGB = im read('pout512.bmp'); I = r g b2gray(R GB); J = dct2(I);
J(1:512,256: 512) = 0; J(256:5 12,1: 256)= 0 ; K = idct 2(J);
i mshow(I), figure, im show(K,[ 0
255])
1 - 1ɵ
49. (Hadamard)任ֶʲ(Wal sh )任ı任˶ Dzͬĵطڱ任дͬ йģֶʲ任С
任ÿеû
50. Сźŵķġ븵Ҷ任ĻǺָźţ ͬģҶ任ĻӸǵȷġ
51. С任ӵı仯ʹÿڲͬ߶Ϲ۲źţֳƵ ʵС任Ӧ
Mall atĿ㷨
52. Ҷ任ʹʱźűƵźţӴҶ任ʹʱźűʱ ƵźţǴǹ̶ģС任ͬƵźţʱƵĴDZ仯ġ 53. MATLAB£
ӭ 16