hi_mpi_vpc_get_affine_transform

Applicable Products

Product

Supported

Ascend 950PR/Ascend 950DT

√

Atlas A3 training products/Atlas A3 inference products

√

Atlas A2 training products/Atlas A2 inference products

√

Atlas 200I/500 A2 inference products

√

Atlas inference products

☓

Atlas training products

☓

Function

Obtains the matrix required for affine transformation.

Prototype

hi_s32 hi_mpi_vpc_get_affine_transform(hi_point_pair_info *point_pair_info, hi_transform_matrix *matrix)

Parameters

Parameter

Input/Output

Description

point_pair_info

Input

Three pairs of pixel coordinates in the input and output images. Each pair contains pixel coordinates of an input image and an output image, respectively.

matrix

Output

Matrix required for affine transformation.

Returns