templatematch

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

Synopsis

struct              GstSynaeScope;
struct              GstTemplateMatch;

Properties

  "display"                  gboolean              : Read / Write
  "method"                   gint                  : Read / Write
  "template"                 gchar*                : Read / Write

Description

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)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 ]

Details

struct GstSynaeScope

struct GstSynaeScope;


struct GstTemplateMatch

struct GstTemplateMatch {
  GstElement element;

  GstPad *sinkpad, *srcpad;

  gint method;
  gboolean display;

  gchar *template;

  IplImage *cvImage, *cvGray, *cvTemplateImage, *cvDistImage;
};

Property Details

The "display" property

  "display"                  gboolean              : Read / Write

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

Default value: TRUE


The "method" property

  "method"                   gint                  : Read / Write

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.

Allowed values: [0,5]

Default value: 3


The "template" property

  "template"                 gchar*                : Read / Write

Filename of template image.

Default value: NULL