# cvequalizehist

Equalizes the histogram of a grayscale image with the cvEqualizeHist OpenCV function.

## Example launch line

     gst-launch-1.0 videotestsrc pattern=23 ! cvequalizehist ! videoconvert ! autovideosink

## Hierarchy

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

## Factory details

Authors: – Thiago Santos<thiago.sousa.santos@collabora.co.uk></thiago.sousa.santos@collabora.co.uk>

Classification: – `Transform/Effect/Video`

Rank – none

Plugin – opencv

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    video/x-raw:
             format: GRAY8
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-raw:
             format: GRAY8
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

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