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1. .., .., .. // . 2000. 8. . 2.. 211 212.
2. / .. , .. , .. , .. . .: . . , 1989. 112 .
3. Bouguer P. Traite dOptique surla Gradation de la Lumiere. IAbbe de Lacaille. Paris, 1760.
4. Fechner G.T. Elemente der Psychophysik. Leipzig. 1860.
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5. Fechner G.T. Vebereinige Verhaltnisse des binocularen Sehens // Abhandl. Sachsische Gesellschaft d. Wissensch. 1870. 7.
6. .. . .: , 1981. 319 .
7. .., .. // . 1970. . ղ, . 6. . 1138 1143.
8. Nesteruk V.F., Porfirieva N.N. Vision Research. 1974. v. 14, 9. p. 899 904.
9. .. // . . 69. 5. 1981. . 65 77.
10. .. . .: , 1983. 696 .
11. .., .. // . 1978. . 44, . 4. . 801 803.
12. .. - : . . : 05.13.06. , 2001. 154 .
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- .., .., .., .., .., .. // 2000. . . 233 236.
- .. . ., , 1997. 336 .
. , ( (2)-(6))
clear;
% img, imread.
fid=fopen('D:\len.img','r');
[A,count]=fread(fid,'char');
fclose(fid);
M=input(' M=');
N=input(' N=');
K=255; A=A(9:length(A));
LQ=1-(abs(sum(A)/(M*N)-K/2))/(K/2); %
A=A+1; Amin=min(min(A)); Amax=max(max(A));
H=hist(A,Amax-Amin+1);
S=0;
for i=Amin:Amax;
if H(i-Amin+1)>.001*M*N;
S=S+1;
else S=S;
end;
end;
KQ=S/K; %
A=A-1;
m=15;n=15;n1=fix(n/2);m1=fix(m/2);
L=reshape(A,N,M); %
a=L(1,1); b=L(1,M);c=L(N,1);d=L(N,M);
for i=1:n1;
for j=1:m1;
L1(i,j)=a;L3(i,j)=b;L6(i,j)=c;L8(i,j)=d;
end;
end;
L2=L(1,1:M);
L02=L2;
for i=1:n1-1;
L2=[L2;L02];
end;
L7=L(N,1:M);
L07=L7;
for i=1:n1-1;
L7=[L7;L07];
end;
L4=L(1:N,1);
L4=L4';
L04=L4;
for i=1:m1-1;
L4=[L4;L04];
end;
L4=L4';
L5=L(1:N,M);
L5=L5';
L05=L5;
for i=1:m1-1;
L5=[L5;L05];
end;
L5=L5';
L1=[L1;L4];
L1=[L1;L6];
L1=L1';
L2=[L2;L];
L2=[L2;L7];
L2=L2';
L3=[L3;L5];
L3=[L3;L8];
L3=L3';
L1=[L1;L2];
L1=[L1;L3];
L1=L1';
clear L2;clear L3;clear L4;clear L5;clear L6;clear L7;clear L8;clear L02;clear L04;clear L05;clear L07;
F=ones(n,m);
Lser=filter2(F,L1,'same')/(n*m);
L0=Lser(n1+1:N+n1,m1+1:M+m1);LA=L1(n1+1:N+n1,m1+1:M+m1);
LB=L1(n1+1:N+n1,m1+2:M+m1+1);LC=L1(n1+2:N+n1+1,m1+1:M+m1);
Delta=abs(LA-LB)+abs(LA-LC);
RQ=sum(sum(Delta.^2))/((M*N)*(K/2));%
L=L1(n1+1:N+n1,m1+1:M+m1);
Lgl=sum(sum(L))/(M*N);Lmin=min(min(L));Lmax=max(max(L));
LH=L+1;LH=LH(:);
H=hist(LH,Lmax-Lmin+1);
H=H./(M*N);
for l=Lmin:Lmax;
disp(l);
C(l+1)=(1/510)*abs(2*(l-Lgl)+255-abs(2*(l-Lgl)-255))*H(l-Lmin+1);
end;
KC=sum(sum(C));%
Q=100*KC*LQ*KQ*RQ;
disp(' ');
disp(Q);
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. , , , , , .
. - , - .
, , [1], . . [2]. , - () (). , . , , , [3]. , () [4], [5]. [6]. , , . - , , , .. , [7].
, , . . . , [8]. , , -- [9].
, , [10], ( ) [11]. .
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. [12]. -, . , . - . , , , , -, , . - .
. - - . , , , .
, . . , .
- . // . - 1972. - T.60, N 7. - .93-108.
- Hall Ch.F., Hall E.L. A nonlinear model for the spatial characte-ristics of the human visual systems. - IEEE Trans. Syst. Man and Cybern. - 1977. - V.SMC-7, - P. 161-170.
- .., .., .. . - .: , 1990. - 180 .
- ., . - // . - .: , 1959. - .113-137.
- .., .. // / . .. ...- .: , 1988. - .6-35.
- Andrews H. C. Monochrome digital image enhancement. Applied Optics, 1976. - Vol.15, N 2. - P. 495-503.
- . ., .., .. // .-1975.-T.63, N 4. - . 160-177.
- Pratt W.K. Generalized Wiener Filter Computation Techniques. IEEE Trans. Computers. - 1972. - V.C-21, N 7. - P. 636-641.
- ., .., .. // . - 1990. - T.78, 5. - . 58-84.
- ., .., . // . - 1988. - T.76, 8. - . 17-40.
- ., - . . - .: , 1989. - 333 .
- Pratt W.K. Digital Image Processing.- New York: J. Wiley, 1978. - 750 p.
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