retinex

Basic and multiscale retinex for colour image enhancement, see article:

Rahman, Zia-ur, Daniel J. Jobson, and Glenn A. Woodell. "Multi-scale retinex for color image enhancement." Image Processing, 1996. Proceedings., International Conference on. Vol. 3. IEEE, 1996.

Example launch line

 gst-launch-1.0 videotestsrc ! videoconvert ! retinex ! videoconvert ! xvimagesink

Hierarchy

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

Factory details

Authors: – Miguel Casas-Sanchez

Classification: – Filter/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

gain

“gain” gint

Gain

Flags : Read / Write

Default value : 128

Since : 1.20

method

“method” Retinex-method *

Retinex method to use

Flags : Read / Write

Default value : basic (0)

offset

“offset” gint

Offset

Flags : Read / Write

Default value : 128

Since : 1.20

scales

“scales” gint

Amount of gaussian filters (scales) used in multiscale retinex

Flags : Read / Write

Default value : 3

sigma

“sigma” gdouble

Sigma

Flags : Read / Write

Default value : 14

Since : 1.20

Named constants

Retinex-method

Members

basic (0) – Basic retinex restoration

multiscale (1) – Mutiscale retinex restoration

The results of the search are