| Top |  |  |  |  | 
| gint | aperture | Read / Write | 
| gboolean | mask | Read / Write | 
| gint | threshold1 | Read / Write | 
| gint | threshold2 | Read / Write | 
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseTransform ╰── GstVideoFilter ╰── GstOpencvVideoFilter ╰── GstEdgeDetect
Performs canny edge detection on videos and images
| 1 | gst-launch-1.0 videotestsrc ! decodebin ! videoconvert ! edgedetect ! videoconvert ! xvimagesink | 
| plugin | opencv | 
| author | Michael Sheldon <mike@mikeasoft.com> | 
| class | Filter/Effect/Video | 
| 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 ] | 
“aperture” property“aperture” gint
Aperture size for Sobel operator (Must be either 3, 5 or 7.
Flags: Read / Write
Allowed values: [3,7]
Default value: 3
“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
“threshold1” property“threshold1” gint
Threshold value for canny edge detection.
Flags: Read / Write
Allowed values: [0,1000]
Default value: 50
“threshold2” property“threshold2” gint
Second threshold value for canny edge detection.
Flags: Read / Write
Allowed values: [0,1000]
Default value: 150