修复cmpvsp::GetPointImageCoord 循环bug

Signed-off-by: fink <hspan1234@gmail.com>
尝试实现输入图片像素坐标,输出世界坐标.问题是 Ax = b矩阵方程解暂时不会

Signed-off-by: fink <hspan1234@gmail.com>