templatematch: GStreamer Bad Plugins 1.0 Plugins Reference Manual

## templatematch templatematch |

## Properties

gboolean | display | Read / Write
gint | method | Read / Write
gchar * | template | Read / Write

## Types and Values

struct | GstTemplateMatch

## Description

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

### Example launch line

    1
    gst-launch-1.0 videotestsrc ! videoconvert ! templatematch template=/path/to/file.jpg ! videoconvert ! xvimagesink

## Synopsis

### Element Information

plugin | opencv
author | Noam Lewis <jones.noamle@gmail.com>
class | Filter/Effect/Video

### Element Pads

name | sink
direction | sink
presence | always
details | video/x-raw, format=(string)BGR, 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)BGR, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

## Functions

## Types and Values

### struct GstTemplateMatch

    struct GstTemplateMatch {
      GstOpencvVideoFilter element;

      gint method;
      gboolean display;

      gchar *templ;

      cv::Mat cvTemplateImage, cvDistImage;
      gboolean reload_dist_image;
    };

## Property Details

### The `“display”` property

      “display”                  gboolean

Sets whether the detected template should be highlighted in the output.

Owner: GstTemplateMatch

Flags: Read / Write

Default value: TRUE

### The `“method”` property

      “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.

Owner: GstTemplateMatch

Flags: Read / Write

Allowed values: [0,5]

Default value: 3

### The `“template”` property

      “template”                 gchar *

Filename of template image.

Owner: GstTemplateMatch

Flags: Read / Write

Default value: NULL