Appearance
Convolution 7x7
The Convolution 7x7 node applies a 7 by 7 convolution kernel to an image.

Inputs and Outputs
Inputs:
Image (Image): The input image.Kernel (Matrix 7x7): The kernel matrix.Bias (Float): The contrast bias to be added to all color channels.
Outputs:
Output (Image): The output image.
Example
Here we create a 7-pixel radius box blur effect:
