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...
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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...
vector_field_to_hom_mat2d(算子名称) 名称 vector_field_to_hom_mat2d— Approximate an affine map from a displacement vector field. 参数签名 vector_field_to_hom_mat2d(VectorField: : :HomMat2D) 描述 vector_field_to_hom_mat2dapproximates an affine map from the displacement vector fieldVectorFiel...
vector_to_hom_mat2d(Operator) Name vector_to_hom_mat2d— Approximate an affine transformation from point correspondences. Signature Description vector_to_hom_mat2dapproximates an affine transformation from at least three point correspondences and returns it as the homogeneous transformation matrixHomMat2D...
vector_to_hom_mat2d(Operator) Name vector_to_hom_mat2d— Approximate an affine transformation from point correspondences. Signature Description vector_to_hom_mat2dapproximates an affine transformation from at least three point correspondences and returns it as the homogeneous transformation matrixHomMat2D...
1)hom_mat2d_to_affine_par() HomMat2D:输入的变换矩阵 Sx:沿x轴缩放比例 Sy:沿y轴缩放比例 Phi:旋转角度 Theta:斜切角度 Tx:沿x轴平移量 Ty:沿y轴平移量 3.仿射变换在Halcon中的应用步骤 3.1 场景1:根据输入的参数直接生成变换矩阵 1)创建一个单位矩阵 ...
affine_trans_image, affine_trans_image_size, affine_trans_region, affine_trans_contour_xld, affine_trans_polygon_xld, affine_trans_point_2d 可替代算子vector_to_hom_mat2d, vector_to_aniso, vector_to_rigid 参考其它vector_field_to_hom_mat2d, point_line_to_hom_mat2d ...
(rotation)),mat4_scalation_vec3(scale));// Perspective matrix with 45 degrees field-of-view, right handed, row-majormat4proj=mat4_perspective_rh(float_deg2rad(45),WIDTH/HEIGHT,0.0f,100.0f);// ... apply matrix to render, should convert to other systems (handed, row/column major) .....
vector_angle_to_rigid (0, 0, 0, Row, Column, Angle, HomMat2D) affine_trans_contour_xld (ModelContours, ContoursAffineTrans, HomMat2D) 可能的前置算子 get_ncc_model_region 可能的后置算子 hom_mat2d_invert,affine_trans_image,affine_trans_region,affine_trans_contour_xld,affine_trans_polygon_xld...