Fourier transformation based filering. Do some FFT for similar bands - do the same for the image given and decide what kind of bands you want to remove from the real samples (with some margins)...
One might consider erosion - conditional and only vertically. This would replace the bright horizontal stripes with the vertical neighbours, improving the visual impression. Anyway, do not expect too much as the image is generally not the best (seems to be slightly out of focus).