F_VN_KeyPointsGFTT
Detects keypoints using the GFTT method, which detects strong corners.
Can use available TwinCAT Job Tasks for executing parallel code regions.
Syntax
Definition:
FUNCTION F_VN_KeyPointsGFTT : HRESULT
VAR_INPUT
ipSrcImage : ITcVnImage;
ipKeyPoints : Reference To ITcVnContainer;
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
ipSrcImage |
Source image | |
|
ipKeyPoints |
Reference To ITcVnContainer |
Returns a container which is filled with the keypoints (ContainerType_Vector_TcVnKeyPoint; Non-zero interface pointers are reused.) |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
Return valueRequired License
TC3 Vision Matching
System Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT V3.1.4024.54 or later | PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |