F_VN_KeyPointsFAST

F_VN_KeyPointsFAST 1:

Detects keypoints using the FAST method.
Can use available TwinCAT Job Tasks for executing parallel code regions.

Syntax

Definition:

FUNCTION F_VN_KeyPointsFAST : HRESULT
VAR_INPUT
    ipSrcImage  : ITcVnImage;
    ipKeyPoints : Reference To  ITcVnContainer;
    hrPrev      : HRESULT;
END_VAR

F_VN_KeyPointsFAST 2: Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image (single-channel).

ipKeyPoints

Reference To ITcVnContainer

Returns a container which is filled with the keypoints (ContainerType_Vector_TcVnKeyPoint; Non-zero interface pointers are reused.)

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_KeyPointsFAST 3: Return value

HRESULT

Required License

TC3 Vision Matching

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1. 4024.44 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision