TcVnParamsGFTT
Offers parameters for GFTT method.
Syntax
Definition:
TYPE TcVnParamsGFTT :
STRUCT
nMaxCorners : UDINT;
fQualityLevel : LREAL;
fMinDistance : LREAL;
nBlockSize : UDINT;
bUseHarrisDetector : BOOL;
fHarrisK : LREAL;
END_STRUCT
END_TYPE
Parameters
|
Name |
Type |
Default |
Description |
|---|---|---|---|
|
nMaxCorners |
UDINT |
1000 |
Maximum number of corners to return (strongest ones) |
|
fQualityLevel |
LREAL |
0.01 |
Minimum accepted corner quality, relative to the strongest one |
|
fMinDistance |
LREAL |
1 |
Minimum euclidean distance between returned keypoints |
|
nBlockSize |
UDINT |
3 |
Neighborhood block size |
|
bUseHarrisDetector |
BOOL |
FALSE |
If true, a Harris detector is used instead of the default method. |
|
fHarrisK |
LREAL |
0.04 |
Free parameter of the Harris detector |