vector_to_hom_mat2d是Halcon视觉库中用于计算二维仿射变换矩阵的算子。这个算子能够根据两组二维点(通常是图像坐标和机械坐标)之间的关系,生成一个仿射变换矩阵,用于将一个坐标系中的点转换到另一个坐标系中。下面我将详细解释vector_to_hom_mat2d算法的原理。 1. 齐次坐标和齐次变换矩阵 齐次坐标:在计算机图形学...
44.39572438,86.77] * vector_to_hom_mat2d ([44.52], [48.74], [82.92545098],[49.95007818...
vector_to_hom_mat2d(算子名称) 名称 vector_to_hom_mat2d— Approximate an affine transformation from point correspondences. 参数签名 vector_to_hom_mat2d( : :Px,Py,Qx,Qy:HomMat2D) 描述 vector_to_hom_mat2dapproximates an affine transformation from at least three point correspondences and returns...
3)vector_to_similarity()//根据2个以上点坐标计算变换矩阵(旋转/平移/缩放) 4)vector_to_hom_mat2d()//根据3个以上点坐标计算变换矩阵(旋转/平移/缩放/斜切) 2.4 执行(执行仿射变换) 1)affine_trans_region() //对区域进行二维仿射变换 Region:待变换的额区域 RegionAffineTrans:变换后的区域 HomMat2D:变换...
vector_to_hom_mat2dapproximates an affine transformation from at least three point correspondences and returns it as the homogeneous transformation matrixHomMat2D(seehom_mat2d_to_affine_parfor the content of the homogeneous transformation matrix). ...
VectorField(input_object)singlechannelimage→object(vector_field) Input image. HomMat2D(output_control)hom_mat2d→(real) Output transformation matrix. 可能的前置算子 optical_flow_mg 可能的后置算子 affine_trans_image 可替代算子 vector_to_hom_mat2d ...
vector_to_hom_mat2dapproximates an affine transformation from at least three point correspondences and returns it as the homogeneous transformation matrixHomMat2D(seehom_mat2d_to_affine_parfor the content of the homogeneous transformation matrix). ...
Vector2D(vector<vector<int>>& vec2d) : r(vec2d), i(0), i0(0) {if(r.size() >0)while(r[i].size() ==0) i++; }intnext() {intret =r[i][i0];//move onif(i0 < r[i].size() -1) i0++;elseif(i < r.size() -1) ...
vector_to_proj_hom_mat2d( : : Px, Py, Qx, Qy, Method, CovXX1, CovYY1, CovXY1, CovXX2, CovYY2, CovXY2 : HomMat2D, Covariance)Descriptionvector_to_proj_hom_mat2d determines the homogeneous projective transformation matrix HomMat2D that optimally fulfills the following equations given ...
points at infinity cannot be used to determine the transformation invector_to_proj_hom_mat2d. If this is necessary,hom_vector_to_proj_hom_mat2dmust be used. If the correspondence between the points has not been determined,proj_match_points_ransacshould be used to determine the correspondence as...