Universit\u00e0 di Gottinga<\/a> ha sviluppato una tecnologia che riconosce automaticamente molti problemi di usabilit\u00e0 negli spazi virtuali. I risultati sono stati pubblicati sulla rivista ACM \"Transactions on Computer-Human Interaction\".<\/p>\nPrendere il caff\u00e8 e utilizzare la fotocopiatrice come ambiente di test<\/h3>\n
Harms ha scelto due scenari virtuali per testare la sua nuova tecnologia: Nella \"scena del caff\u00e8\", l'utente doveva prendere una tazza, posizionarla esattamente sotto la macchina del caff\u00e8 e premere il pulsante appropriato. In un altro scenario virtuale, l'utente doveva copiare un foglio di carta. La nuova tecnologia di valutazione automatizzata si svolge in tre fasi. In primo luogo, le attivit\u00e0 e i movimenti individuali dei soggetti del test vengono registrati in dettaglio utilizzando la VR. I risultati sono elenchi di attivit\u00e0.<\/p>\n
Nella seconda fase, il programma informatico MAUSI-VR sviluppato da Harms cerca automaticamente in questi elenchi il comportamento tipico dell'utente. Nella terza fase, il programma valuta questo comportamento rispetto alle anomalie definite. \"Tra le altre cose, questo permette di determinare quanto gli utenti di un VR siano guidati da esso e se di solito debbano eseguire sequenze ergonomicamente sfavorevoli durante il funzionamento\", spiega Harms. Il programma rileva anche i problemi di interazione che portano gli utenti a ripetere o interrompere pi\u00f9 volte determinati processi.<\/p>\n
Tutto \u00e8 automatizzato<\/h3>\n
Il concetto di MAUSI-VR si basa sul lavoro preliminare svolto dal gruppo di ricerca \"Software Technology for Distributed Systems\" guidato dal Prof. Dr. Jens Grabowski, dell'Istituto di Informatica dell'Universit\u00e0 di Gottinga, sulla valutazione automatizzata dell'usabilit\u00e0 di siti web e software desktop. Harms ha trasferito questo lavoro nel mondo virtuale e lo ha completato. \"Le valutazioni automatizzate, a differenza di quelle manuali, possono essere effettuate pi\u00f9 frequentemente, in modo pi\u00f9 economico e senza particolari preparativi, sia durante lo sviluppo di un VR che in modo continuativo dopo il suo rilascio\". In questo modo gli sviluppatori hanno la possibilit\u00e0 di incorporare i miglioramenti alla VR nella successiva revisione del software, anche con breve preavviso.<\/p>\n
Fonte: Comunicato stampa<\/p>","protected":false},"excerpt":{"rendered":"Un informatico dell'Universit\u00e0 di Gottinga sviluppa una procedura automatizzata per verificare la facilit\u00e0 d'uso di una stanza virtuale.","protected":false},"author":12,"featured_media":14051,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-14047","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-virtual-reality-forschung","8":"cs-entry","9":"cs-video-wrap"},"yoast_head":"\n
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