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bugfixes for AMaZE.

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This commit is contained in:
Emil Martinec
2010-07-06 15:51:51 -05:00
parent c6a774f821
commit 757fa3b54e
1 changed files with 183 additions and 114 deletions
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297
rtengine/amaze_interpolate_RT.cc
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@@ -56,9 +56,8 @@ void RawImageSource::amaze_demosaic_RT() {
int top, left;
int ex, ey;
int rrmin, rrmax, ccmin, ccmax;
static const int v1=TS, v2=2*TS, v3=3*TS, p1=-TS+1, p2=-2*TS+2, p3=-3*TS+3, m1=TS+1, m2=2*TS+2, m3=3*TS+3;
int nbr[5] = {-v2,-2,2,v2,0};
static const int nbr[5] = {-v2,-2,2,v2,0};
static const float eps=1e-5; //tolerance to avoid dividing by zero
static const float epssq=1e-10; //tolerance to avoid dividing by zero
@@ -69,40 +68,22 @@ void RawImageSource::amaze_demosaic_RT() {
static const float lbd=1.0, ubd=1.0;//lbd=0.66, ubd=1.5;
static const float gaussodd[4] = {0.14659727707323927f, 0.103592713382435f, 0.0732036125103057f, 0.0365543548389495f};//gaussian on 5x5 quincunx, sigma=1.2
float gaussgrad[6] = {0.07384411893421103f, 0.06207511968171489f, 0.0521818194747806f, \
static const float gaussgrad[6] = {0.07384411893421103f, 0.06207511968171489f, 0.0521818194747806f, \
0.03687419286733595f, 0.03099732204057846f, 0.018413194161458882f};//gaussian on 5x5, sigma=1.2
static const float gauss1[3] = {0.3376688223162362f, 0.12171198028231786f, 0.04387081413862306f};//gaussian on 3x3, sigma =0.7
static const float gausseven[2] = {0.13719494435797422f, 0.05640252782101291f};//gaussian on 5x5 alt quincunx, sigma=1.5
static const float gquinc[4] = {0.169917f, 0.108947f, 0.069855f, 0.0287182f};
//tile vars
int bottom, right, row, col;
int rr, cc, rr1, cc1, c, indx, indx1, dir, i, j, sgn;
float crse, crnw, crne, crsw, rbse, rbnw, rbne, rbsw, wtse, wtnw, wtsw, wtne;
float pmwtalt;
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
float cru, crd, crl, crr;
float vwt, hwt, pwt, mwt, Gintv, Ginth;
float guar, gdar, glar, grar, guha, gdha, glha, grha, Ginthar, Ginthha, Gintvar, Gintvha, hcdaltvar, vcdaltvar;
float Dgrbvvaru, Dgrbvvard, Dgrbhvarl, Dgrbhvarr;
float sumh, sumv, sumsqh, sumsqv, areawt;
float nyqtest, vcdvar, hcdvar, hvwtalt, vo, ve, gradp, gradm, gradv, gradh, gradpm, gradhv;
float vcdvar1, hcdvar1, varwt, diffwt;
float rbvarp, rbvarm;
float gu, gd, gl, gr;
float gvarh, gvarv;
float g[4], f[4];
char *buffer; // TS*TS*168
float (*rgb)[3]; // TS*TS*12
float (*delh); // TS*TS*4
float (*delv); // TS*TS*4
float (*delhsq); // TS*TS*4
float (*delvsq); // TS*TS*4
float (*dirwts)[2]; // TS*TS*8
float (*vcd); // TS*TS*4
float (*hcd); // TS*TS*4
float (*vcdalt); // TS*TS*4
@@ -115,11 +96,6 @@ void RawImageSource::amaze_demosaic_RT() {
float (*delp); // TS*TS*4
float (*delm); // TS*TS*4
float (*rbint); // TS*TS*4
float (*dirwts)[2]; // TS*TS*8
float (*Dgrbh1); // TS*TS*4
float (*Dgrbv1); // TS*TS*4
float (*Dgrbhsq1); // TS*TS*4
float (*Dgrbvsq1); // TS*TS*4
float (*Dgrbh2); // TS*TS*4
float (*Dgrbv2); // TS*TS*4
float (*dgintv); // TS*TS*4
@@ -137,46 +113,42 @@ void RawImageSource::amaze_demosaic_RT() {
// assign working space
buffer = (char *) malloc(156*TS*TS);
buffer = (char *) malloc((34*sizeof(float)+sizeof(int))*TS*TS);
//merror(buffer,"amaze_interpolate()");
memset(buffer,0,156*TS*TS);
memset(buffer,0,(34*sizeof(float)+sizeof(int))*TS*TS);
// rgb array
rgb = (float (*)[3]) buffer; //pointers to array
delh = (float (*)) (buffer + 12*TS*TS);
delv = (float (*)) (buffer + 16*TS*TS);
delhsq = (float (*)) (buffer + 20*TS*TS);
delvsq = (float (*)) (buffer + 24*TS*TS);
vcd = (float (*)) (buffer + 28*TS*TS);
hcd = (float (*)) (buffer + 32*TS*TS);
vcdalt = (float (*)) (buffer + 36*TS*TS);
hcdalt = (float (*)) (buffer + 40*TS*TS);
vcdsq = (float (*)) (buffer + 44*TS*TS);
hcdsq = (float (*)) (buffer + 48*TS*TS);
cddiffsq = (float (*)) (buffer + 52*TS*TS);
hvwt = (float (*)) (buffer + 56*TS*TS);
Dgrb = (float (*)[2]) (buffer + 60*TS*TS);
delp = (float (*)) (buffer + 68*TS*TS);
delm = (float (*)) (buffer + 72*TS*TS);
rbint = (float (*)) (buffer + 76*TS*TS);
dirwts = (float (*)[2]) (buffer + 80*TS*TS);
Dgrbh1 = (float (*)) (buffer + 88*TS*TS);
Dgrbv1 = (float (*)) (buffer + 92*TS*TS);
Dgrbhsq1 = (float (*)) (buffer + 96*TS*TS);
Dgrbvsq1 = (float (*)) (buffer + 100*TS*TS);
Dgrbh2 = (float (*)) (buffer + 104*TS*TS);
Dgrbv2 = (float (*)) (buffer + 108*TS*TS);
dgintv = (float (*)) (buffer + 112*TS*TS);
dginth = (float (*)) (buffer + 116*TS*TS);
Dgrbp1 = (float (*)) (buffer + 120*TS*TS);
Dgrbm1 = (float (*)) (buffer + 124*TS*TS);
Dgrbpsq1 = (float (*)) (buffer + 128*TS*TS);
Dgrbmsq1 = (float (*)) (buffer + 132*TS*TS);
cfa = (float (*)) (buffer + 136*TS*TS);
pmwt = (float (*)) (buffer + 140*TS*TS);
rbp = (float (*)) (buffer + 144*TS*TS);
rbm = (float (*)) (buffer + 148*TS*TS);
delh = (float (*)) (buffer + 3*sizeof(float)*TS*TS);
delv = (float (*)) (buffer + 4*sizeof(float)*TS*TS);
delhsq = (float (*)) (buffer + 5*sizeof(float)*TS*TS);
delvsq = (float (*)) (buffer + 6*sizeof(float)*TS*TS);
dirwts = (float (*)[2]) (buffer + 7*sizeof(float)*TS*TS);
vcd = (float (*)) (buffer + 9*sizeof(float)*TS*TS);
hcd = (float (*)) (buffer + 10*sizeof(float)*TS*TS);
vcdalt = (float (*)) (buffer + 11*sizeof(float)*TS*TS);
hcdalt = (float (*)) (buffer + 12*sizeof(float)*TS*TS);
vcdsq = (float (*)) (buffer + 13*sizeof(float)*TS*TS);
hcdsq = (float (*)) (buffer + 14*sizeof(float)*TS*TS);
cddiffsq = (float (*)) (buffer + 15*sizeof(float)*TS*TS);
hvwt = (float (*)) (buffer + 16*sizeof(float)*TS*TS);
Dgrb = (float (*)[2]) (buffer + 17*sizeof(float)*TS*TS);
delp = (float (*)) (buffer + 19*sizeof(float)*TS*TS);
delm = (float (*)) (buffer + 20*sizeof(float)*TS*TS);
rbint = (float (*)) (buffer + 21*sizeof(float)*TS*TS);
Dgrbh2 = (float (*)) (buffer + 22*sizeof(float)*TS*TS);
Dgrbv2 = (float (*)) (buffer + 23*sizeof(float)*TS*TS);
dgintv = (float (*)) (buffer + 24*sizeof(float)*TS*TS);
dginth = (float (*)) (buffer + 25*sizeof(float)*TS*TS);
Dgrbp1 = (float (*)) (buffer + 26*sizeof(float)*TS*TS);
Dgrbm1 = (float (*)) (buffer + 27*sizeof(float)*TS*TS);
Dgrbpsq1 = (float (*)) (buffer + 28*sizeof(float)*TS*TS);
Dgrbmsq1 = (float (*)) (buffer + 29*sizeof(float)*TS*TS);
cfa = (float (*)) (buffer + 30*sizeof(float)*TS*TS);
pmwt = (float (*)) (buffer + 31*sizeof(float)*TS*TS);
rbp = (float (*)) (buffer + 32*sizeof(float)*TS*TS);
rbm = (float (*)) (buffer + 33*sizeof(float)*TS*TS);
nyquist = (int (*)) (buffer + 152*TS*TS);
nyquist = (int (*)) (buffer + 34*sizeof(float)*TS*TS);
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -207,7 +179,7 @@ void RawImageSource::amaze_demosaic_RT() {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//determine GRBG coset
//determine GRBG coset; (ey,ex) is the offset of the R subarray
if (FC(0,0)==1) {//first pixel is G
if (FC(0,1)==0) {ey=0; ex=1;} else {ey=1; ex=0;}
} else {//first pixel is R or B
@@ -219,10 +191,108 @@ void RawImageSource::amaze_demosaic_RT() {
//code is openmp ready; just have to pull local tile variable declarations inside the tile loop
for (top=-16; top < height; top += TS-32)
for (left=-16; left < width; left += TS-32) {
bottom = MIN( top+TS,height+16);
right = MIN(left+TS, width+16);
rr1 = bottom - top;
cc1 = right - left;
int bottom = MIN( top+TS,height+16);
int right = MIN(left+TS, width+16);
int rr1 = bottom - top;
int cc1 = right - left;
//tile vars
int row, col;
int rrmin, rrmax, ccmin, ccmax;
int rr, cc, c, indx, indx1, dir, i, j, sgn;
float crse, crnw, crne, crsw, rbse, rbnw, rbne, rbsw, wtse, wtnw, wtsw, wtne;
float pmwtalt;
float cru, crd, crl, crr;
float vwt, hwt, pwt, mwt, Gintv, Ginth;
float guar, gdar, glar, grar, guha, gdha, glha, grha, Ginthar, Ginthha, Gintvar, Gintvha, hcdaltvar, vcdaltvar;
float Dgrbvvaru, Dgrbvvard, Dgrbhvarl, Dgrbhvarr;
float sumh, sumv, sumsqh, sumsqv, areawt;
float nyqtest, vcdvar, hcdvar, hvwtalt, vo, ve, gradp, gradm, gradv, gradh, gradpm, gradhv;
float vcdvar1, hcdvar1, varwt, diffwt;
float rbvarp, rbvarm;
float gu, gd, gl, gr;
float gvarh, gvarv;
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/*
char *buffer; // TS*TS*168
float (*rgb)[3]; // TS*TS*12
float (*delh); // TS*TS*4
float (*delv); // TS*TS*4
float (*delhsq); // TS*TS*4
float (*delvsq); // TS*TS*4
float (*dirwts)[2]; // TS*TS*8
float (*vcd); // TS*TS*4
float (*hcd); // TS*TS*4
float (*vcdalt); // TS*TS*4
float (*hcdalt); // TS*TS*4
float (*vcdsq); // TS*TS*4
float (*hcdsq); // TS*TS*4
float (*cddiffsq); // TS*TS*4
float (*hvwt); // TS*TS*4
float (*Dgrb)[2]; // TS*TS*8
float (*delp); // TS*TS*4
float (*delm); // TS*TS*4
float (*rbint); // TS*TS*4
float (*Dgrbh2); // TS*TS*4
float (*Dgrbv2); // TS*TS*4
float (*dgintv); // TS*TS*4
float (*dginth); // TS*TS*4
float (*Dgrbp1); // TS*TS*4
float (*Dgrbm1); // TS*TS*4
float (*Dgrbpsq1); // TS*TS*4
float (*Dgrbmsq1); // TS*TS*4
float (*cfa); // TS*TS*4
float (*pmwt); // TS*TS*4
float (*rbp); // TS*TS*4
float (*rbm); // TS*TS*4
int (*nyquist); // TS*TS*4
// assign working space
buffer = (char *) malloc(35*sizeof(float)*TS*TS);
//merror(buffer,"amaze_interpolate()");
memset(buffer,0,35*sizeof(float)*TS*TS);
// rgb array
rgb = (float (*)[3]) buffer; //pointers to array
delh = (float (*)) (buffer + 3*sizeof(float)*TS*TS);
delv = (float (*)) (buffer + 4*sizeof(float)*TS*TS);
delhsq = (float (*)) (buffer + 5*sizeof(float)*TS*TS);
delvsq = (float (*)) (buffer + 6*sizeof(float)*TS*TS);
dirwts = (float (*)[2]) (buffer + 7*sizeof(float)*TS*TS);
vcd = (float (*)) (buffer + 9*sizeof(float)*TS*TS);
hcd = (float (*)) (buffer + 10*sizeof(float)*TS*TS);
vcdalt = (float (*)) (buffer + 11*sizeof(float)*TS*TS);
hcdalt = (float (*)) (buffer + 12*sizeof(float)*TS*TS);
vcdsq = (float (*)) (buffer + 13*sizeof(float)*TS*TS);
hcdsq = (float (*)) (buffer + 14*sizeof(float)*TS*TS);
cddiffsq = (float (*)) (buffer + 15*sizeof(float)*TS*TS);
hvwt = (float (*)) (buffer + 16*sizeof(float)*TS*TS);
Dgrb = (float (*)[2]) (buffer + 17*sizeof(float)*TS*TS);
delp = (float (*)) (buffer + 19*sizeof(float)*TS*TS);
delm = (float (*)) (buffer + 20*sizeof(float)*TS*TS);
rbint = (float (*)) (buffer + 21*sizeof(float)*TS*TS);
Dgrbh2 = (float (*)) (buffer + 22*sizeof(float)*TS*TS);
Dgrbv2 = (float (*)) (buffer + 23*sizeof(float)*TS*TS);
dgintv = (float (*)) (buffer + 24*sizeof(float)*TS*TS);
dginth = (float (*)) (buffer + 25*sizeof(float)*TS*TS);
Dgrbp1 = (float (*)) (buffer + 26*sizeof(float)*TS*TS);
Dgrbm1 = (float (*)) (buffer + 27*sizeof(float)*TS*TS);
Dgrbpsq1 = (float (*)) (buffer + 28*sizeof(float)*TS*TS);
Dgrbmsq1 = (float (*)) (buffer + 29*sizeof(float)*TS*TS);
cfa = (float (*)) (buffer + 30*sizeof(float)*TS*TS);
pmwt = (float (*)) (buffer + 31*sizeof(float)*TS*TS);
rbp = (float (*)) (buffer + 32*sizeof(float)*TS*TS);
rbm = (float (*)) (buffer + 33*sizeof(float)*TS*TS);
nyquist = (int (*)) (buffer + 34*sizeof(float)*TS*TS);
*/
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// rgb from input CFA data
// rgb values should be floating point number between 0 and 1
// after white balance multipliers are applied
@@ -356,9 +426,9 @@ void RawImageSource::amaze_demosaic_RT() {
//interpolate vertical and horizontal color differences
//t1_vcdhcd = clock();
for (rr=4; rr<TS-4; rr++)
//for (cc=4+(FC(rr,2)&1),indx=rr*TS+cc,c=FC(rr,cc); cc<TS-4; cc+=2,indx+=2) {
for (cc=4,indx=rr*TS+cc; cc<TS-4; cc++,indx++) {
for (rr=4; rr<rr1-4; rr++)
//for (cc=4+(FC(rr,2)&1),indx=rr*TS+cc,c=FC(rr,cc); cc<cc1-4; cc+=2,indx+=2) {
for (cc=4,indx=rr*TS+cc; cc<cc1-4; cc++,indx++) {
c=FC(rr,cc);
if (c&1) {sgn=-1;} else {sgn=1;}
@@ -404,9 +474,9 @@ void RawImageSource::amaze_demosaic_RT() {
//t2_vcdhcd += clock() - t1_vcdhcd;
//t1_cdvar = clock();
for (rr=4; rr<TS-4; rr++)
//for (cc=4+(FC(rr,2)&1),indx=rr*TS+cc,c=FC(rr,cc); cc<TS-4; cc+=2,indx+=2) {
for (cc=4,indx=rr*TS+cc; cc<TS-4; cc++,indx++) {
for (rr=4; rr<rr1-4; rr++)
//for (cc=4+(FC(rr,2)&1),indx=rr*TS+cc,c=FC(rr,cc); cc<cc1-4; cc+=2,indx+=2) {
for (cc=4,indx=rr*TS+cc; cc<cc1-4; cc++,indx++) {
c=FC(rr,cc);
hcdvar = 3*(SQR(hcd[indx-2])+SQR(hcd[indx])+SQR(hcd[indx+2]))-SQR(hcd[indx-2]+hcd[indx]+hcd[indx+2]);
@@ -477,8 +547,8 @@ void RawImageSource::amaze_demosaic_RT() {
cddiffsq[indx] = SQR(vcd[indx]-hcd[indx]);
}
for (rr=6; rr<TS-6; rr++)
for (cc=6+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-6; cc+=2,indx+=2) {
for (rr=6; rr<rr1-6; rr++)
for (cc=6+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-6; cc+=2,indx+=2) {
//compute color difference variances in cardinal directions
@@ -516,8 +586,8 @@ void RawImageSource::amaze_demosaic_RT() {
// Nyquist test
//t1_nyqtest = clock();
for (rr=6; rr<TS-6; rr++)
for (cc=6+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-6; cc+=2,indx+=2) {
for (rr=6; rr<rr1-6; rr++)
for (cc=6+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-6; cc+=2,indx+=2) {
//nyquist texture test: ask if difference of vcd compared to hcd is larger or smaller than RGGB gradients
nyqtest = (gaussodd[0]*cddiffsq[indx]+ \
@@ -546,8 +616,8 @@ void RawImageSource::amaze_demosaic_RT() {
if (nyqtest>0) {nyquist[indx]=1;}//nyquist=1 for nyquist region
}
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
areawt=(nyquist[indx-v2]+nyquist[indx-m1]+nyquist[indx+p1]+ \
nyquist[indx-2]+nyquist[indx]+nyquist[indx+2]+ \
@@ -568,8 +638,8 @@ void RawImageSource::amaze_demosaic_RT() {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// in areas of Nyquist texture, do area interpolation
//t1_areainterp = clock();
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
if (nyquist[indx]) {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -603,8 +673,8 @@ void RawImageSource::amaze_demosaic_RT() {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//populate G at R/B sites
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
//first ask if one gets more directional discrimination from nearby B/R sites
hvwtalt = 0.25*(hvwt[indx-m1]+hvwt[indx+p1]+hvwt[indx-p1]+hvwt[indx+m1]);
@@ -629,8 +699,8 @@ void RawImageSource::amaze_demosaic_RT() {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// refine Nyquist areas using G curvatures
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
if (nyquist[indx]) {
//local averages (over Nyquist pixels only) of G curvature squared
@@ -654,8 +724,8 @@ void RawImageSource::amaze_demosaic_RT() {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// diagonal interpolation correction
/*for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
/*for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
//evaluate diagonal gradients based on CFA values
@@ -688,8 +758,8 @@ void RawImageSource::amaze_demosaic_RT() {
pmwt[indx]=1;
}
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
areawt=(pmwt[indx-v2]+pmwt[indx-m1]+pmwt[indx+p1]+ \
pmwt[indx-2]+pmwt[indx]+pmwt[indx+2]+ \
@@ -700,8 +770,8 @@ void RawImageSource::amaze_demosaic_RT() {
if (areawt<2) pmwt[indx]=0;
}*/
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=8; rr<rr1-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-8; cc+=2,indx+=2) {
rbvarp = epssq + (gausseven[0]*(Dgrbpsq1[indx-v1]+Dgrbpsq1[indx-1]+Dgrbpsq1[indx+1]+Dgrbpsq1[indx+v1]) + \
@@ -784,8 +854,8 @@ void RawImageSource::amaze_demosaic_RT() {
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=10; rr<rr1-10; rr++)
for (cc=10+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-10; cc+=2,indx+=2) {
//first ask if one gets more directional discrimination from nearby B/R sites
pmwtalt = 0.25*(pmwt[indx-m1]+pmwt[indx+p1]+pmwt[indx-p1]+pmwt[indx+m1]);
@@ -795,8 +865,8 @@ void RawImageSource::amaze_demosaic_RT() {
rbint[indx] = 0.5*(cfa[indx] + rbm[indx]*(1-pmwt[indx]) + rbp[indx]*pmwt[indx]);//this is R+B, interpolated
}
for (rr=8; rr<TS-8; rr++)
for (cc=8+(FC(rr,2)&1),indx=rr*TS+cc; cc<TS-8; cc+=2,indx+=2) {
for (rr=12; rr<rr1-12; rr++)
for (cc=12+(FC(rr,2)&1),indx=rr*TS+cc; cc<cc1-12; cc+=2,indx+=2) {
//if (fabs(0.5-pmwt[indx])<fabs(0.5-hvwt[indx])/*+0.5*pmthresh*/) continue;
@@ -867,34 +937,30 @@ void RawImageSource::amaze_demosaic_RT() {
//t1_chroma = clock();
//fancy chrominance interpolation
//(ey,ex) is location of R site
for (rr=13-ey; rr<TS-12; rr+=2)
for (cc=13-ex,indx=rr*TS+cc; cc<TS-12; cc+=2,indx+=2) {//B coset
for (rr=13-ey; rr<rr1-12; rr+=2)
for (cc=13-ex,indx=rr*TS+cc; cc<cc1-12; cc+=2,indx+=2) {//B coset
Dgrb[indx][1]=Dgrb[indx][0];//split out G-B from G-R
Dgrb[indx][0]=0;
}
for (rr=12; rr<TS-12; rr++)
for (cc=12+(FC(rr,2)&1),indx=rr*TS+cc,c=1-FC(rr,cc)/2; cc<TS-12; cc+=2,indx+=2) {
f[0]=1.0/(eps+fabs(Dgrb[indx-m1][c]-Dgrb[indx+m1][c])+fabs(Dgrb[indx-m1][c]-Dgrb[indx-m3][c])+fabs(Dgrb[indx+m1][c]-Dgrb[indx-m3][c]));
f[1]=1.0/(eps+fabs(Dgrb[indx+p1][c]-Dgrb[indx-p1][c])+fabs(Dgrb[indx+p1][c]-Dgrb[indx+p3][c])+fabs(Dgrb[indx-p1][c]-Dgrb[indx+p3][c]));
f[2]=1.0/(eps+fabs(Dgrb[indx-p1][c]-Dgrb[indx+p1][c])+fabs(Dgrb[indx-p1][c]-Dgrb[indx+m3][c])+fabs(Dgrb[indx+p1][c]-Dgrb[indx-p3][c]));
f[3]=1.0/(eps+fabs(Dgrb[indx+m1][c]-Dgrb[indx-m1][c])+fabs(Dgrb[indx+m1][c]-Dgrb[indx-p3][c])+fabs(Dgrb[indx-m1][c]-Dgrb[indx+m3][c]));
for (rr=12; rr<rr1-12; rr++)
for (cc=12+(FC(rr,2)&1),indx=rr*TS+cc,c=1-FC(rr,cc)/2; cc<cc1-12; cc+=2,indx+=2) {
wtnw=1.0/(eps+fabs(Dgrb[indx-m1][c]-Dgrb[indx+m1][c])+fabs(Dgrb[indx-m1][c]-Dgrb[indx-m3][c])+fabs(Dgrb[indx+m1][c]-Dgrb[indx-m3][c]));
wtne=1.0/(eps+fabs(Dgrb[indx+p1][c]-Dgrb[indx-p1][c])+fabs(Dgrb[indx+p1][c]-Dgrb[indx+p3][c])+fabs(Dgrb[indx-p1][c]-Dgrb[indx+p3][c]));
wtsw=1.0/(eps+fabs(Dgrb[indx-p1][c]-Dgrb[indx+p1][c])+fabs(Dgrb[indx-p1][c]-Dgrb[indx+m3][c])+fabs(Dgrb[indx+p1][c]-Dgrb[indx-p3][c]));
wtse=1.0/(eps+fabs(Dgrb[indx+m1][c]-Dgrb[indx-m1][c])+fabs(Dgrb[indx+m1][c]-Dgrb[indx-p3][c])+fabs(Dgrb[indx-m1][c]-Dgrb[indx+m3][c]));
g[0]=Dgrb[indx-m1][c];
g[1]=Dgrb[indx+p1][c];
g[2]=Dgrb[indx-p1][c];
g[3]=Dgrb[indx+m1][c];
Dgrb[indx][c]=(f[0]*g[0]+f[1]*g[1]+f[2]*g[2]+f[3]*g[3])/(f[0]+f[1]+f[2]+f[3]);
Dgrb[indx][c]=(wtnw*Dgrb[indx-m1][c]+wtne*Dgrb[indx+p1][c]+wtsw*Dgrb[indx-p1][c]+wtse*Dgrb[indx+m1][c])/(wtnw+wtne+wtsw+wtse);
}
for (rr=12; rr<TS-12; rr++)
for (cc=12+(FC(rr,1)&1),indx=rr*TS+cc,c=FC(rr,cc+1)/2; cc<TS-12; cc+=2,indx+=2)
for (rr=12; rr<rr1-12; rr++)
for (cc=12+(FC(rr,1)&1),indx=rr*TS+cc,c=FC(rr,cc+1)/2; cc<cc1-12; cc+=2,indx+=2)
for(c=0;c<2;c++){
Dgrb[indx][c]=((hvwt[indx-v1])*Dgrb[indx-v1][c]+(1-hvwt[indx+1])*Dgrb[indx+1][c]+(1-hvwt[indx-1])*Dgrb[indx-1][c]+(hvwt[indx+v1])*Dgrb[indx+v1][c])/ \
((hvwt[indx-v1])+(1-hvwt[indx+1])+(1-hvwt[indx-1])+(hvwt[indx+v1]));
}
for(rr=12; rr<TS-12; rr++)
for(cc=12,indx=rr*TS+cc; cc<TS-12; cc++,indx++){
for(rr=12; rr<rr1-12; rr++)
for(cc=12,indx=rr*TS+cc; cc<cc1-12; cc++,indx++){
rgb[indx][0]=(rgb[indx][1]-Dgrb[indx][0]);
rgb[indx][2]=(rgb[indx][1]-Dgrb[indx][1]);
}
@@ -923,6 +989,9 @@ void RawImageSource::amaze_demosaic_RT() {
}
//end of main loop
// clean up
//free(buffer);
if(plistener) plistener->setProgress(fabs((float)top/height));
}