Selective visual masking in speechreading.
Using digital video technology, selective aspects of a face can be masked by identifying the pixels that represent it and then, by adjusting the gray levels, effectively eliminate that facial aspect. In groups of young adults with normal vision and hearing, consonant-viseme recognition was measured...
| Publicado en: | Journal of Speech, Language & Hearing Research Vol. 41; no. 3; pp. 564 - 576 |
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| Autores principales: | , , , |
| Formato: | pictorial research tables/charts Journal Article |
| Publicado: |
American Speech-Language-Hearing Association
Jun1998
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=107299674&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 107299674 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 10924388 1SM jtl: Journal of Speech, Language & Hearing Research issn: 10924388 maglogo: N pubinfo: dt: Jun1998 vid: 41 iid: 3 pid: 42 pub: American Speech-Language-Hearing Association place: Rockville, Maryland artinfo: ui: 107299674 107299674 1998076603 10.1044/jslhr.4103.564 NLM9638922 107299674 ppf: 564 ppct: 12 formats: fmt: @attributes: type: T tig: atl: Selective visual masking in speechreading. aug: au: Preminger JE Lin H Payen M Levitt H affil: Department of Special Education and Individualized Services, Kean University, Union, NJ. E-mail: jpreminger@mci2000.com sug: subj: Visual Perception Perceptual Masking Lipreading Speech Perception Funding Source Comparative Studies Face Mouth Videorecording Vowels Consonants Descriptive Statistics Repeated Measures Analysis of Variance Adult Human Adult: 19-44 years ab: Using digital video technology, selective aspects of a face can be masked by identifying the pixels that represent it and then, by adjusting the gray levels, effectively eliminate that facial aspect. In groups of young adults with normal vision and hearing, consonant-viseme recognition was measured for closed sets of vowel-consonant-vowel disyllables. In the first experiment viseme recognition was measured while the tongue and teeth were masked and while the entire mouth was masked. The results showed that masking of the tongue and teeth had little effect on viseme recognition, and when the entire mouth was masked, participants continued to identify consonant visemes with 70% or greater accuracy in the /a/ and /(ball)/ vowel contexts. In the second experiment, viseme recognition was measured when the upper part of the face and the mouth were masked and when the lower part of the face and the mouth were masked. The results showed that when the mouth and the upper part of the face were masked, performance was poor, but information was available to identify the consonant-viseme /f/. When the mouth and the lower part of the face were masked, viseme recognition was quite poor, but information was available to discriminate the consonant-viseme /p/ from other consonant visemes. pubtype: Academic Journal doctype: pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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