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The AIBO robot database: structured WoZ design and shallow annotation

The AIBO robot database: structured WoZ design and shallow annotation. Anton Batliner Stefan Steidl, Christian Hacker, Elmar Nöth University of Erlangen. HUMAINE summer school, September 2004, Belfast. purpose.

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The AIBO robot database: structured WoZ design and shallow annotation

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  1. The AIBO robot database: structured WoZ design and shallow annotation Anton Batliner Stefan Steidl, Christian Hacker, Elmar Nöth University of Erlangen HUMAINE summer school, September 2004, Belfast

  2. purpose • goal: database for automatic classification of emotional states (within PF-STAR) • addressing the ROE problem (reduction of effort) – if you want to deal with „natural“, representative emotions • sparse data: how to ensure that there are at least some emotions in your data? • reference: how to find/define/label the classes you want to classify?

  3. basic approach • data driven • application oriented: • call center scenario • edutainment/entertainment • the Columbus approach: we take what we get * (not: we find what we are looking for)* (and we prefer to call it "emotional" user states)

  4. aspects addressed in the databases • children's speech • emotional speech • human-robot communication • edutainment/entertainment • cross-linguistics (German-English) • read vs. spontaneous speech

  5. Structured WoZ design • no free interaction of WoZ* with user but sort of partiture script (fixed schema, recurrent phases) making inter- and intra-subject comparison possible • originally designed for call center scenario • pro's: interpretation ** • con's: somehow less realistic; no emotional interaction between user and system (avatar) possible, i.e., sparse data * a human plays the role of the computer in a simulated human-computer interaction; after Baum, Lyman Frank : The Wonderful Wizard of Oz (1900). $ **cf. Batliner et al. How to find trouble in communication. Speech Communication 2004.$ The Wizard of Oz with Judy Garland 1939: ………2. Somewhere over the rainbow skies are blue, and the dreams that you dare to dream really do come true.

  6. Shallow annotation • local vs. global • formal and functional • categorical vs. dimensional • first free labels, then catalogue of labels • laymen vs. experts • few (expert) vs. many (semi-naive) labellers • majority voting confusion matrix dimensions • granularity (raw  cover classes = more stability) • prototypicality (e.g. 0.6, 0.8, 1.0) • acoustic vs. linguistic marking • (classification) performance vs. interpretation

  7. Map of the Parcours task numbers 1-6: crossings; A-D: AIBO behaves disobediently; Dance and Sit: tasks to fulfil; goals: cups 1-3 and GOAL POSITION: START AIBO addresses child : gesture ``Hi'' CHILD: tells AIBO what to do + co-operative: gets up + co-operative: goes forward .... POSITION C, 4th crossing - co-operative: stops - co-operative: lays down + co-operative: stands up - co-operative: lays down + co-operative: stands up - co-operative: lays down + co-operative: stands up + co-operative: turns left AIBO addresses child: turns head towards child + co-operative: goes forward • the child wants AIBO to react to his/her commands, in fact, AIBO follows its own script, i.e., the child reacts to AIBO's actions

  8. Example: position C, no emotional behaviour Aibo geh geradeaus | stopp Aibo | stopp | dreh dich nach links | Aibo steh auf | dreh dich nach links | Aibo steh auf | dreh dich nach links | Aibo | steh auf | steh auf Aibo | und jetzt geh nach links | und jetzt geh geradeaus | Aibo *gen geradeaus | conceptualization: remote control tool

  9. Example: position C, emotional behaviour g'radeaus Aibolein ja M fein M gut M machst M du M *da M | *tz l"aufst du mal bitte nach links | stopp E Aibo stopp | nach links E umdrehen | nein M <*ne> nein M <*ne> nein M <*ne> so M weit M *simma M noch M nicht M aufstehen M Schlafm"utze M komm M hoch M | ja M so M ist M es M <*is> guter M Hund M lauf mal jetzt nach links | nach links Aibo | Aibolein M aufstehen M *son M sonst M werd' M ich M b"ose M hoch E | nach A links A | Aibo A nach A links A | Aibolein A ganz A b"oser A Hund A jetzt A stehst A du A auf A | hoch A | dreh dich ein bisschen | ja M so ist es <*is> gut stopp Aibo stopp | *tz lauf g'radeaus | conceptualization: pet dog

  10. end of introduction see you in the afternoon

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