>>>Oh, this on the same site : http://www.bbc.co.uk/news/uk-wales-25097566 (I'm in the basket in the last photo)
>>
>>I thought I recognized you.
>
>You do have to look very closely :-}

You just need the software they have at CSI - magnify the 16x16 px piece to be a few megapixels, then just remove those pixels which are out of focus. Fairly simple in idea and design.