I'm trying to build a game that uses the [Pix2Pix post-processing effect for Unity][1], which is an image-to-image translation with deep neural networks. It works well but I want to fade this effect with the non-post-processing render. The post-processing effect allows only an off-on feature.

[![pix2pix effect postprocessing][2]][2]

I'm trying to get an in-between that I could access via script in order to change the render

Here with the post processing :
[![pix2pix effect][3]][3]

Here without :
[![without effect][4]][4]

Is there a way to get an in-between?


EDIT:

I tried to follow Gabriele's idea of using color.lerp method to lerp the input and output (named as sourceRT and resultRT), It gives me a gray output, here is what I tried (in Postprocessing.cs) :

    

        // RenderTexture Source to Color[]
        Texture2D texSources = new Texture2D(256, 256, TextureFormat.RGB24, false);

        texSources.ReadPixels(new Rect(0, 0, 256, 256), 0, 0);

        Color[] sourcePixels = texSources.GetPixels(0, 0, 256, 256);


        // RenderTexture Result to Color[]

        Texture2D texResult = new Texture2D(256, 256, TextureFormat.RGB24, false);

        texResult.ReadPixels(new Rect(0, 0, 256, 256), 0, 0);

        Color[] resultPixels = texSources.GetPixels(0, 0, 256, 256);


        // Blend Pixel comporte un lerping de chaque pixel selon un float
        Color[] blendPixel = new Color[resultPixels.Length];

        Texture2D blendTexture = new Texture2D(256, 256, TextureFormat.RGB24, false);

        // Lerping via a loop in the array
        for (int i = 0; i < resultPixels.Length; i++)
        {
            Color c = Color.Lerp(sourcePixels[i], resultPixels[i], ratio);
            blendPixel[i] = c;
        }
        // tranformation of blendPixel to Texture2d
        blendTexture.SetPixels(blendPixel);


        // END LERP

        // blendpixel
        cmd.Blit(blendTexture, context.destination);

 




  [1]: https://github.com/keijiro/Pix2Pix
  [2]: https://i.sstatic.net/hiqSm.png
  [3]: https://i.sstatic.net/iyjld.jpg
  [4]: https://i.sstatic.net/tAdZD.png