📄 cvinpaint.cpp
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r.x=(float)(l-j);
dst = 1/(VectorLength(r)*VectorLength(r)+1);
if (CV_MAT_ELEM(*f,uchar,k+1,l)!=INSIDE) {
if (CV_MAT_ELEM(*f,uchar,k-1,l)!=INSIDE) {
gradI.x=(float)(abs(CV_MAT_3COLOR_ELEM(*out,uchar,kp+1,lm,color)-CV_MAT_3COLOR_ELEM(*out,uchar,kp,lm,color))+
abs(CV_MAT_3COLOR_ELEM(*out,uchar,kp,lm,color)-CV_MAT_3COLOR_ELEM(*out,uchar,km-1,lm,color)));
} else {
gradI.x=(float)(abs(CV_MAT_3COLOR_ELEM(*out,uchar,kp+1,lm,color)-CV_MAT_3COLOR_ELEM(*out,uchar,kp,lm,color)))*2.0f;
}
} else {
if (CV_MAT_ELEM(*f,uchar,k-1,l)!=INSIDE) {
gradI.x=(float)(abs(CV_MAT_3COLOR_ELEM(*out,uchar,kp,lm,color)-CV_MAT_3COLOR_ELEM(*out,uchar,km-1,lm,color)))*2.0f;
} else {
gradI.x=0;
}
}
if (CV_MAT_ELEM(*f,uchar,k,l+1)!=INSIDE) {
if (CV_MAT_ELEM(*f,uchar,k,l-1)!=INSIDE) {
gradI.y=(float)(abs(CV_MAT_3COLOR_ELEM(*out,uchar,km,lp+1,color)-CV_MAT_3COLOR_ELEM(*out,uchar,km,lm,color))+
abs(CV_MAT_3COLOR_ELEM(*out,uchar,km,lm,color)-CV_MAT_3COLOR_ELEM(*out,uchar,km,lm-1,color)));
} else {
gradI.y=(float)(abs(CV_MAT_3COLOR_ELEM(*out,uchar,km,lp+1,color)-CV_MAT_3COLOR_ELEM(*out,uchar,km,lm,color)))*2.0f;
}
} else {
if (CV_MAT_ELEM(*f,uchar,k,l-1)!=INSIDE) {
gradI.y=(float)(abs(CV_MAT_3COLOR_ELEM(*out,uchar,km,lm,color)-CV_MAT_3COLOR_ELEM(*out,uchar,km,lm-1,color)))*2.0f;
} else {
gradI.y=0;
}
}
gradI.x=-gradI.x;
dir=VectorScalMult(r,gradI);
if (fabs(dir)<=0.01) {
dir=0.000001f;
} else {
dir = (float)fabs(VectorScalMult(r,gradI)/sqrt(VectorLength(r)*VectorLength(gradI)));
}
w = dst*dir;
Ia += (float)w * (float)(CV_MAT_3COLOR_ELEM(*out,uchar,km,lm,color));
s += w;
}
}
}
}
{
int out_val = cvRound((double)Ia/s);
CV_MAT_3COLOR_ELEM(*out,uchar,i-1,j-1,color) = CV_CAST_8U(out_val);
}
}
CV_MAT_ELEM(*f,uchar,i,j) = BAND;
Heap->Push(i,j,dist);
}
}
}
} else if (CV_MAT_CN(out->type)==1) {
while (Heap->Pop(&ii,&jj)) {
CV_MAT_ELEM(*f,uchar,ii,jj) = KNOWN;
for(q=0; q<4; q++) {
if (q==0) {i=ii-1; j=jj;}
else if(q==1) {i=ii; j=jj-1;}
else if(q==2) {i=ii+1; j=jj;}
else if(q==3) {i=ii; j=jj+1;}
if ((i<=1)||(j<=1)||(i>t->rows-1)||(j>t->cols-1)) continue;
if (CV_MAT_ELEM(*f,uchar,i,j)==INSIDE) {
dist = min4(FastMarching_solve(i-1,j,i,j-1,f,t),
FastMarching_solve(i+1,j,i,j-1,f,t),
FastMarching_solve(i-1,j,i,j+1,f,t),
FastMarching_solve(i+1,j,i,j+1,f,t));
CV_MAT_ELEM(*t,float,i,j) = dist;
{
CvPoint2D32f gradI,r;
float Ia=0,s=1.0e-20f,w,dst,dir;
for (k=i-range; k<=i+range; k++) {
int km=k-1+(k==1),kp=k-1-(k==t->rows-2);
for (l=j-range; l<=j+range; l++) {
int lm=l-1+(l==1),lp=l-1-(l==t->cols-2);
if (k>0&&l>0&&k<t->rows-1&&l<t->cols-1) {
if ((CV_MAT_ELEM(*f,uchar,k,l)!=INSIDE)&&
((l-j)*(l-j)+(k-i)*(k-i)<=range*range)) {
r.y=(float)(i-k);
r.x=(float)(j-l);
dst = 1/(VectorLength(r)*VectorLength(r)+1);
if (CV_MAT_ELEM(*f,uchar,k+1,l)!=INSIDE) {
if (CV_MAT_ELEM(*f,uchar,k-1,l)!=INSIDE) {
gradI.x=(float)(abs(CV_MAT_ELEM(*out,uchar,kp+1,lm)-CV_MAT_ELEM(*out,uchar,kp,lm))+
abs(CV_MAT_ELEM(*out,uchar,kp,lm)-CV_MAT_ELEM(*out,uchar,km-1,lm)));
} else {
gradI.x=(float)(abs(CV_MAT_ELEM(*out,uchar,kp+1,lm)-CV_MAT_ELEM(*out,uchar,kp,lm)))*2.0f;
}
} else {
if (CV_MAT_ELEM(*f,uchar,k-1,l)!=INSIDE) {
gradI.x=(float)(abs(CV_MAT_ELEM(*out,uchar,kp,lm)-CV_MAT_ELEM(*out,uchar,km-1,lm)))*2.0f;
} else {
gradI.x=0;
}
}
if (CV_MAT_ELEM(*f,uchar,k,l+1)!=INSIDE) {
if (CV_MAT_ELEM(*f,uchar,k,l-1)!=INSIDE) {
gradI.y=(float)(abs(CV_MAT_ELEM(*out,uchar,km,lp+1)-CV_MAT_ELEM(*out,uchar,km,lm))+
abs(CV_MAT_ELEM(*out,uchar,km,lm)-CV_MAT_ELEM(*out,uchar,km,lm-1)));
} else {
gradI.y=(float)(abs(CV_MAT_ELEM(*out,uchar,km,lp+1)-CV_MAT_ELEM(*out,uchar,km,lm)))*2.0f;
}
} else {
if (CV_MAT_ELEM(*f,uchar,k,l-1)!=INSIDE) {
gradI.y=(float)(abs(CV_MAT_ELEM(*out,uchar,km,lm)-CV_MAT_ELEM(*out,uchar,km,lm-1)))*2.0f;
} else {
gradI.y=0;
}
}
gradI.x=-gradI.x;
dir=VectorScalMult(r,gradI);
if (fabs(dir)<=0.01) {
dir=0.000001f;
} else {
dir = (float)fabs(VectorScalMult(r,gradI)/sqrt(VectorLength(r)*VectorLength(gradI)));
}
w = dst*dir;
Ia += (float)w * (float)(CV_MAT_ELEM(*out,uchar,km,lm));
s += w;
}
}
}
}
{
int out_val = cvRound((double)Ia/s);
CV_MAT_ELEM(*out,uchar,i-1,j-1) = CV_CAST_8U(out_val);
}
}
CV_MAT_ELEM(*f,uchar,i,j) = BAND;
Heap->Push(i,j,dist);
}
}
}
}
}
#define SET_BORDER1_C1(image,type,value) {\
int i,j;\
for(j=0; j<image->cols; j++) {\
CV_MAT_ELEM(*image,type,0,j) = value;\
}\
for (i=1; i<image->rows-1; i++) {\
CV_MAT_ELEM(*image,type,i,0) = CV_MAT_ELEM(*image,type,i,image->cols-1) = value;\
}\
for(j=0; j<image->cols; j++) {\
CV_MAT_ELEM(*image,type,erows-1,j) = value;\
}\
}
#define COPY_MASK_BORDER1_C1(src,dst,type) {\
int i,j;\
for (i=0; i<src->rows; i++) {\
for(j=0; j<src->cols; j++) {\
if (CV_MAT_ELEM(*src,type,i,j)!=0)\
CV_MAT_ELEM(*dst,type,i+1,j+1) = INSIDE;\
}\
}\
}
CV_IMPL void
cvInpaint( const CvArr* _input_img, const CvArr* _inpaint_mask, CvArr* _output_img,
double inpaintRange, int flags )
{
CvMat *mask = 0, *band = 0, *f = 0, *t = 0, *out = 0;
CvPriorityQueueFloat *Heap = 0, *Out = 0;
IplConvKernel *el_cross = 0, *el_range = 0;
CV_FUNCNAME( "cvInpaint" );
__BEGIN__;
CvMat input_hdr, mask_hdr, output_hdr;
CvMat* input_img, *inpaint_mask, *output_img;
int range=cvRound(inpaintRange);
int erows, ecols;
CV_CALL( input_img = cvGetMat( _input_img, &input_hdr ));
CV_CALL( inpaint_mask = cvGetMat( _inpaint_mask, &mask_hdr ));
CV_CALL( output_img = cvGetMat( _output_img, &output_hdr ));
if( !CV_ARE_SIZES_EQ(input_img,output_img) || !CV_ARE_SIZES_EQ(input_img,inpaint_mask))
CV_ERROR( CV_StsUnmatchedSizes, "All the input and output images must have the same size" );
if( CV_MAT_TYPE(input_img->type) != CV_8UC1 &&
CV_MAT_TYPE(input_img->type) != CV_8UC3 ||
!CV_ARE_TYPES_EQ(input_img,output_img) )
CV_ERROR( CV_StsUnsupportedFormat,
"Only 8-bit 1-channel and 3-channel input/output images are supported" );
if( CV_MAT_TYPE(inpaint_mask->type) != CV_8UC1 )
CV_ERROR( CV_StsUnsupportedFormat, "The mask must be 8-bit 1-channel image" );
range = MAX(range,1);
range = MIN(range,100);
ecols = input_img->cols + 2;
erows = input_img->rows + 2;
CV_CALL( f = cvCreateMat(erows, ecols, CV_8UC1));
CV_CALL( t = cvCreateMat(erows, ecols, CV_32FC1));
CV_CALL( band = cvCreateMat(erows, ecols, CV_8UC1));
CV_CALL( mask = cvCreateMat(erows, ecols, CV_8UC1));
CV_CALL( el_cross = cvCreateStructuringElementEx(3,3,1,1,CV_SHAPE_CROSS,NULL));
cvCopy( input_img, output_img );
cvSet(mask,cvScalar(KNOWN,0,0,0));
COPY_MASK_BORDER1_C1(inpaint_mask,mask,uchar);
SET_BORDER1_C1(mask,uchar,0);
cvSet(f,cvScalar(KNOWN,0,0,0));
cvSet(t,cvScalar(1.0e6f,0,0,0));
cvDilate(mask,band,el_cross,1); // image with narrow band
Heap=new CvPriorityQueueFloat;
if (!Heap->Init(band))
EXIT;
cvSub(band,mask,band,NULL);
SET_BORDER1_C1(band,uchar,0);
if (!Heap->Add(band))
EXIT;
cvSet(f,cvScalar(BAND,0,0,0),band);
cvSet(f,cvScalar(INSIDE,0,0,0),mask);
cvSet(t,cvScalar(0,0,0,0),band);
if( flags == CV_INPAINT_TELEA )
{
CV_CALL( out = cvCreateMat(erows, ecols, CV_8UC1));
CV_CALL( el_range = cvCreateStructuringElementEx(2*range+1,2*range+1,
range,range,CV_SHAPE_RECT,NULL));
cvDilate(mask,out,el_range,1);
cvSub(out,mask,out,NULL);
Out=new CvPriorityQueueFloat;
if (!Out->Init(out))
EXIT;
if (!Out->Add(band))
EXIT;
cvSub(out,band,out,NULL);
SET_BORDER1_C1(out,uchar,0);
icvCalcFMM(out,t,Out,true);
icvTeleaInpaintFMM(mask,t,output_img,range,Heap);
}
else
icvNSInpaintFMM(mask,t,output_img,range,Heap);
__END__;
delete Out;
delete Heap;
cvReleaseStructuringElement(&el_cross);
cvReleaseStructuringElement(&el_range);
cvReleaseMat(&out);
cvReleaseMat(&mask);
cvReleaseMat(&band);
cvReleaseMat(&t);
cvReleaseMat(&f);
}
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