canny边缘检测实现例子_canny边缘检测 c语言_canny边缘检测优点(8)

{

g1=M[nPointIdx-nWidth-1];

g2=M[nPointIdx-1];

g3=M[nPointIdx1];

g4=M[nPointIdxnWidth1];

dWeight=fabs(Q[nPointIdx])/fabs(P[nPointIdx]);//正切

dTmp1=g2*dWeightg1*(1-dWeight);

dTmp2=g4*dWeightg3*(1-dWeight);

}

////////////////////第三种情况///////////////////////

/////////g1g2/////////////

/////////C/////////////

/////////g4g3/////////////

/////////////////////////////////////////////////////

elseif(((Theta[nPointIdx]>=45)&&(Theta[nPointIdx]<90))||

((Theta[nPointIdx]>=225)&&(Theta[nPointIdx]<270)))

{

g1=M[nPointIdx-nWidth];

g2=M[nPointIdx-nWidth1];

g3=M[nPointIdxnWidth];

g4=M[nPointIdxnWidth-1];

dWeight=fabs(P[nPointIdx])/fabs(Q[nPointIdx]);//反正切

dTmp1=g2*dWeightg1*(1-dWeight);

dTmp2=g3*dWeightg4*(1-dWeight);

}

////////////////////第四种情况///////////////////////

/////////g1/////////////

/////////g4Cg2/////////////

/////////g3/////////////

/////////////////////////////////////////////////////

elseif(((Theta[nPointIdx]>=0)&&(Theta[nPointIdx]<45))||

((Theta[nPointIdx]>=180)&&(Theta[nPointIdx]<225)))

{

g1=M[nPointIdx-nWidth1];

g2=M[nPointIdx1];

g3=M[nPointIdxnWidth-1];

g4=M[nPointIdx-1];

dWeight=fabs(Q[nPointIdx])/fabs(P[nPointIdx]);//正切

dTmp1=g1*dWeightg2*(1-dWeight);

dTmp2=g3*dWeightg4*(1-dWeight);

}

}

//////////进行局部最大判断，并写入检测结果////////////////

if((M[nPointIdx]>=dTmp1)&&(M[nPointIdx]>=dTmp2))

N[nPointIdx]=128;

else

N[nPointIdx]=0;

本文来自电脑杂谈，转载请注明本文网址：
http://www.pc-fly.com/a/jisuanjixue/article-33926-8.html