hi_mpi_vpc_get_remap_lut

Applicability

Product	Supported
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	☓

Description

Based on the remap table (such as affine, perspective, and fisheye) input, the common Bilinear algorithm (similar to the computation process of the OpenCV algorithm) is used to obtain the pixel position remap table used by the system. This API is synchronous.

Prototype

hi_s32 hi_mpi_vpc_get_remap_lut(hi_map_param *map_param,  hi_remap_lut *remap_lut)

Parameters

Parameter	Input/Output	Description
map_param	Input	Original map information of a user.
remap_lut	Input and output	Pixel position remapping LUT. In the hi_remap_lut structure: When lut is used as an input, you must allocate memory in advance. The memory size lut_size can be obtained by calling hi_mpi_vpc_get_lut_mem_size. When lut is used as an output, you can obtain the affine transformation LUT information from the memory after this API is successfully called.

Returns

0: success
Other values: failure (VPC Return Codes)

Parent topic: Vision Preprocessing Core (VPC)