I think there may be some studies on discriminability of various shapes,
probably in the 60s or 70s, that may be relevant. There was certainly one
result showing that of the various pairs obtained by taking one each of |,
_, / and \ the hardest pair to discriminate was \ and /.
Guess which shapes were made standards in Unix-based text-editing tools and
are with us now.
Sorry, no reference to hand.
You probably need a visual perception wallah.
Thomas
On 23/5/02 12:51 pm, "Derek M Jones" <[EMAIL PROTECTED]> wrote:
> All,
>
> Does anybody know of any study that has investigated
> the visual similarity of computer language punctuators
> and operators? For instance, how visually similar is ( to
> O and l, and so on...
>
> The studies by Kuennapas ("Visual perception of capital letters"
> and "Multidimensional similarity of letters") deal with upper
> and lower case letters (Swedish) only.
>
> The OCR literature treats it as a machine learning issue. The
> Kuennapas studies asked people for their views on the visual
> similarity. Perhaps these should deliver the same final result,
> but I am not convinced.
>
> derek
>
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