templatematch

templatematch

Properties

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

Types and Values

Description

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

Example launch line

1
gst-launch-0.10 videotestsrc ! decodebin ! ffmpegcolorspace ! templatematch template=/path/to/file.jpg ! ffmpegcolorspace ! xvimagesink

Functions

Types and Values

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

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

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.

Flags: Read / Write

Allowed values: [0,5]

Default value: 3

The “template” property

  “template”                 gchar *

Filename of template image.

Flags: Read / Write

Default value: NULL