ɪn stˈʌdiz ɪn pɚsˈɛpʃən aɪ ðeɪ kɹiːˈeɪɾᵻd ɐn ˈɪmɪdʒ əvɚ ɹᵻklˈaɪnɪŋ nˈuːd ðə dˈænsɚ dˈɛbɚɹə hˈeɪ, baɪ skˈænɪŋ ɐ fˈoʊɾəɡɹˌæf wɪð ɐ kˈæmɹə ænd kənvˈɜːɾɪŋ ðɪ ˈænəlˌɑːɡ vˈoʊltɪdʒᵻz tə bˈaɪnɚɹi nˈʌmbɚz wˌɪtʃ wɜːɹ ɐsˈaɪnd tˌaɪpəɡɹˈæfɪk sˈɪmbəlz bˈeɪst ˌɔn hˈæftoʊn dˈɛnsᵻɾiz.
In Studies in Perception I they created an image of a reclining nude (the dancer Deborah Hay), by scanning a photograph with a camera and converting the analog voltages to binary numbers which were assigned typographic symbols based on halftone densities.