- (
`hse1`) The original image

- (
`hse1rob1`) Result of applying the Roberts Cross edge detector to

`hse1`.- (
`hse1fou1`) Fourier Transform of

`hse1`. Displayed after histogram equalization.- (
`hse1msk3`) Lowpass frequency filtering kernel.

- (
`hse1fou2`) Result of multipling the Fourier Transform of

`hse1`with`hse1msk3`.- (
`hse1fil1`) Inverse Fourier Transform of

`hse1fou2`.- (
`hse1msk1`) Vertical stripe smoothing frequency mask for

`hse1`.- (
`hse1fil2`) Result of multiplying the frequency domain representation of

`hse1`and`hse1msk1`, and then inverse Fourier Transforming (and normalizing) the product.- (
`hse1msk2`) Vertical stripe preserving frequency mask for

`hse1`.- (
`hse1fil3`) Result of multiplying the frequency domain representation of

`hse1`and`hse1msk2`, and then inverse Fourier Transforming (and normalizing) the product.- (
`hse1fil4`) Result of thresholding

`hse1fil3`.