How to apply a 1D filter (CSF) to an image? I am facing the following problem:
I have an image and a contrast sentivity function (CSF). The CSF is a function defined in the frequency domain and it is just a band-pass filter. The problem is that it is a 1D filter so I do not know how to apply it to the Fourier transform of the image.

I thought about creating a 2D filter based on the revolution around the zero frequency of the 1D filter but I do not know if it is mathematically correct or if it is the common procedure.

Thanks in advance!
I believe what you want to do is take your 1D filter column vector, call it $x$, and create a 2D filter with $xx^T$.  The result of this outer product (column vector times row vector) is a matrix that you can use to do element-wise multiplication with the 2D Fourier transform of the image.