unsigned
char* getDirectionGray( unsigned
char** ptrCenterRow,
int j)
{
unsigned char p[
4];
//如果修改成*p则出现段错误,还没搞懂
p[0] = abs(ptrCenterRow[-
1][(j-
1)] -ptrCenterRow[
0][j]) +
abs(ptrCenterRow[1][(j+
1)]-ptrCenterRow[
0][j]);
cout <<
"d0:" << p[
0] <<
endl;
printf("%d\n", p[
0]);
p[1] = abs(ptrCenterRow[-
1][j]-ptrCenterRow[
0][j])+
abs(ptrCenterRow[1][j]-ptrCenterRow[
0][j]);
cout <<
"d1:" << p[
1] <<
endl;
printf("%d\n", p[
1]);
p[2] = abs(ptrCenterRow[
1][(j+
1)]-ptrCenterRow[
0][j]) +
abs(ptrCenterRow[1][(j-
1)]-ptrCenterRow[
0][j]);
cout <<
"d2:" << p[
2] <<
endl;
printf("%d\n", p[
2]);
p[3] = abs(ptrCenterRow[
0][(j-
1)]-ptrCenterRow[
0][j]) +
abs(ptrCenterRow[0][(j+
1)] - ptrCenterRow[
0][j]);
cout <<
"d3:" << p[
3] <<
endl;
printf("%d\n", p[
3]);
cout <<
"getDirectionGray()" <<
endl;
return p;
}
转载于:https://www.cnblogs.com/Shinered/p/10494922.html