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Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseTransform ╰── GstVideoFilter ╰── GstOpencvVideoFilter ╰── GstCvLaplace
Description
Applies cvLaplace OpenCV function to the image.
Synopsis
Element Information
plugin |
opencv |
author |
Thiago Santos<thiago.sousa.santos@collabora.co.uk> |
class |
Transform/Effect/Video |
Element Pads
name |
sink |
direction |
sink |
presence |
always |
details |
video/x-raw, format=(string)RGB, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
name |
src |
direction |
source |
presence |
always |
details |
video/x-raw, format=(string)RGB, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
Property Details
The “aperture-size” property
“aperture-size” gint
Size of the extended Laplace Kernel (1, 3, 5 or 7).
Flags: Read / Write
Allowed values: [1,7]
Default value: 3
The “scale” property
“scale” gdouble
Scale factor.
Flags: Read / Write
Allowed values: >= 0
Default value: 1
The “shift” property
“shift” gdouble
Value added to the scaled source array elements.
Flags: Read / Write
Allowed values: >= 0
Default value: 0
The “mask” property
“mask” gboolean
Sets whether the detected edges should be used as a mask on the original input or not.
Flags: Read / Write
Default value: TRUE