# templatematch

Performs template matching on videos and images, providing detected positions via bus messages.

## Example launch line

     gst-launch-1.0 videotestsrc ! videoconvert ! templatematch template=/path/to/file.jpg ! videoconvert ! xvimagesink

## Hierarchy

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

## Factory details

Authors: – Noam Lewis <jones.noamle></jones.noamle>

Classification: – `Filter/Effect/Video`

Rank – none

Plugin – opencv

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

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

Presence – always

Direction – sink

Object type – GstPad

### `src`

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

Presence – always

Direction – src

Object type – GstPad

## Properties

### display

    “display” gboolean

Sets whether the detected template should be highlighted in the output

Flags : Read / Write

Default value : true

### method

    “method” gint

Specifies the way the template must be compared with image regions. 0=SQDIFF, 1=SQDIFF_NORMED, 2=CCOR, 3=CCOR_NORMED, 4=CCOEFF, 5=CCOEFF_NORMED.

Flags : Read / Write

Default value : 3

### template

    “template” gchararray

Filename of template image

Flags : Read / Write

Default value : NULL

The results of the search are