Visuohaptic discrimination of 3D gross shape.
Identifieur interne : 000C17 ( PubMed/Curation ); précédent : 000C16; suivant : 000C18Visuohaptic discrimination of 3D gross shape.
Auteurs : Kwangtaek Kim [États-Unis] ; Mauro Barni ; Domenico Prattichizzo ; Hong Z. TanSource :
- Seeing and perceiving [ 1878-4755 ] ; 2012.
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Abstract
Human sensitivity to 3D gross shape changes was measured for the visual and haptic sensory channels. Three volume-invariant affine transformations were defined: compressing, shearing and stretching. Participants discriminated a reference 3D object (cube or sphere) from its deformed shape under three experimental conditions: visual only (on a computer monitor), haptic only (through a point-contact force-feedback device) and visuohaptic simulations. The results indicate that vision is more sensitive to gross shape changes than point-based touch, and that vision dominated in the visuohaptic condition. In the haptic alone condition, thresholds were higher for shearing and stretching than for compressing. Thresholds were otherwise similar for the three transformations in the vision only or visuohaptic conditions. These trends were similar for the two shapes tested. A second experiment, conducted under similar conditions but preventing participants from manipulating object orientations, verified that the main conclusion of our research still holds when visual inspection can rely only on a single perspective view of the object. Our earlier studies on 3D visuohaptic watermarking showed that the haptic channel is more sensitive to surface texture and roughness changes than vision. The thresholds from the present and our earlier studies can potentially be used as the upper limits for selecting watermark strengths in order to ensure watermark imperceptibility in a 3D visuohaptic watermarking system.
DOI: 10.1163/187847612X629937
PubMed: 22472054
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Tan</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2012">2012</date><idno type="doi">10.1163/187847612X629937</idno><idno type="RBID">pubmed:22472054</idno><idno type="pmid">22472054</idno><idno type="wicri:Area/PubMed/Corpus">000C17</idno><idno type="wicri:Area/PubMed/Curation">000C17</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Visuohaptic discrimination of 3D gross shape.</title><author><name sortKey="Kim, Kwangtaek" sort="Kim, Kwangtaek" uniqKey="Kim K" first="Kwangtaek" last="Kim">Kwangtaek Kim</name><affiliation wicri:level="1"><nlm:affiliation>Haptic Interface Research Lab, School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA. samuelkim91@gmail.com</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Haptic Interface Research Lab, School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN</wicri:regionArea></affiliation></author><author><name sortKey="Barni, Mauro" sort="Barni, Mauro" uniqKey="Barni M" first="Mauro" last="Barni">Mauro Barni</name></author><author><name sortKey="Prattichizzo, Domenico" sort="Prattichizzo, Domenico" uniqKey="Prattichizzo D" first="Domenico" last="Prattichizzo">Domenico Prattichizzo</name></author><author><name sortKey="Tan, Hong Z" sort="Tan, Hong Z" uniqKey="Tan H" first="Hong Z" last="Tan">Hong Z. Tan</name></author></analytic><series><title level="j">Seeing and perceiving</title><idno type="ISSN">1878-4755</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Female</term><term>Form Perception (physiology)</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Male</term><term>Pattern Recognition, Visual (physiology)</term><term>Psychophysics</term><term>Sensory Thresholds</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Form Perception</term><term>Pattern Recognition, Visual</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Female</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Male</term><term>Psychophysics</term><term>Sensory Thresholds</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Human sensitivity to 3D gross shape changes was measured for the visual and haptic sensory channels. Three volume-invariant affine transformations were defined: compressing, shearing and stretching. Participants discriminated a reference 3D object (cube or sphere) from its deformed shape under three experimental conditions: visual only (on a computer monitor), haptic only (through a point-contact force-feedback device) and visuohaptic simulations. The results indicate that vision is more sensitive to gross shape changes than point-based touch, and that vision dominated in the visuohaptic condition. In the haptic alone condition, thresholds were higher for shearing and stretching than for compressing. Thresholds were otherwise similar for the three transformations in the vision only or visuohaptic conditions. These trends were similar for the two shapes tested. A second experiment, conducted under similar conditions but preventing participants from manipulating object orientations, verified that the main conclusion of our research still holds when visual inspection can rely only on a single perspective view of the object. Our earlier studies on 3D visuohaptic watermarking showed that the haptic channel is more sensitive to surface texture and roughness changes than vision. The thresholds from the present and our earlier studies can potentially be used as the upper limits for selecting watermark strengths in order to ensure watermark imperceptibility in a 3D visuohaptic watermarking system.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">22472054</PMID><DateCreated><Year>2012</Year><Month>06</Month><Day>26</Day></DateCreated><DateCompleted><Year>2012</Year><Month>09</Month><Day>04</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1878-4755</ISSN><JournalIssue CitedMedium="Print"><Volume>25</Volume><Issue>3-4</Issue><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>Seeing and perceiving</Title><ISOAbbreviation>Seeing Perceiving</ISOAbbreviation></Journal><ArticleTitle>Visuohaptic discrimination of 3D gross shape.</ArticleTitle><Pagination><MedlinePgn>351-64</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1163/187847612X629937</ELocationID><Abstract><AbstractText>Human sensitivity to 3D gross shape changes was measured for the visual and haptic sensory channels. Three volume-invariant affine transformations were defined: compressing, shearing and stretching. Participants discriminated a reference 3D object (cube or sphere) from its deformed shape under three experimental conditions: visual only (on a computer monitor), haptic only (through a point-contact force-feedback device) and visuohaptic simulations. The results indicate that vision is more sensitive to gross shape changes than point-based touch, and that vision dominated in the visuohaptic condition. In the haptic alone condition, thresholds were higher for shearing and stretching than for compressing. Thresholds were otherwise similar for the three transformations in the vision only or visuohaptic conditions. These trends were similar for the two shapes tested. A second experiment, conducted under similar conditions but preventing participants from manipulating object orientations, verified that the main conclusion of our research still holds when visual inspection can rely only on a single perspective view of the object. Our earlier studies on 3D visuohaptic watermarking showed that the haptic channel is more sensitive to surface texture and roughness changes than vision. The thresholds from the present and our earlier studies can potentially be used as the upper limits for selecting watermark strengths in order to ensure watermark imperceptibility in a 3D visuohaptic watermarking system.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Kwangtaek</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Haptic Interface Research Lab, School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA. samuelkim91@gmail.com</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Barni</LastName><ForeName>Mauro</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Prattichizzo</LastName><ForeName>Domenico</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Tan</LastName><ForeName>Hong Z</ForeName><Initials>HZ</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>03</Month><Day>27</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Seeing Perceiving</MedlineTA><NlmUniqueID>101531524</NlmUniqueID></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005556">Form Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D021621">Imaging, Three-Dimensional</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010364">Pattern Recognition, Visual</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011601">Psychophysics</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D012684">Sensory Thresholds</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055815">Young Adult</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="aheadofprint"><Year>2012</Year><Month>3</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>4</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>4</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>9</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">sp2377</ArticleId><ArticleId IdType="doi">10.1163/187847612X629937</ArticleId><ArticleId IdType="pubmed">22472054</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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