# cvlaplace

Applies cvLaplace OpenCV function to the image.

Example launch line

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

## Hierarchy

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

## Factory details

Authors: – Thiago Santos<thiago.sousa.santos@collabora.co.uk></thiago.sousa.santos@collabora.co.uk>

Classification: – `Transform/Effect/Video`

Rank – none

Plugin – opencv

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    video/x-raw:
             format: RGB
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-raw:
             format: RGB
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

## Properties

### aperture-size

    “aperture-size” gint

Size of the extended Laplace Kernel (1, 3, 5 or 7)

Flags : Read / Write

Default value : 3

### mask

    “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

### scale

    “scale” gdouble

Scale factor

Flags : Read / Write

Default value : 1

### shift

    “shift” gdouble

Value added to the scaled source array elements

Flags : Read / Write

Default value : 0

The results of the search are