cvlaplace

cvlaplace

Properties

gint aperture-size Read / Write
gdouble scale Read / Write
gdouble shift Read / Write
gboolean mask Read / Write

Types and Values

struct GstCvLaplace

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstVideoFilter
                        ╰── GstOpencvVideoFilter
                            ╰── GstCvLaplace

Description

Applies cvLaplace OpenCV function to the image.

Example launch line

1
gst-launch-1.0 videotestsrc ! cvlaplace ! videoconvert ! autovideosink

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 ]

Functions

Types and Values

struct GstCvLaplace

struct GstCvLaplace;

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