Investigating Passive Presentation Paradigms to Approximate Active Haptic Palpation.

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Tác giả: Luke C Batteas, Thomas K Ferris, Rebecca F Friesen, M Cynthia Hipwell, Francis Quek, Pijuan Yu

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: United States : IEEE transactions on haptics , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 722678

 Active, exploratory touch supports human perception of a broad set of invisible physical surface properties. When traditionally hands-on tasks, such as medical palpation of soft tissue, are translated to virtual settings, haptic perception is throttled by technological limitations, and much of the richness of active exploration can be lost. The current research seeks to restore some of this richness with advanced methods of passively conveying haptic data alongside synchronized visual feeds. A robotic platform presented haptic stimulation modeled after the relative motion between a hypothetical physician's hands and artificial tissue samples during palpation. Performance in discriminating the sizes of hidden "tumors" in these samples was compared across display conditions which included haptic feedback and either: 1) synchronized video of the participant's hand, recorded during active exploration
  2) synchronized video of another person's hand
  3) no accompanying video. The addition of visual feedback did not improve task performance, which was similar whether receiving relative motion recorded from one's own hand or someone else's. While future research should explore additional strategies to improve task performance, this initial attempt to translate active haptic sensations to passive presentations indicates that visuo-haptic feedback can induce reliable haptic perceptions of motion in a stationary passive hand.
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