• Title/Summary/Keyword: Tactile Sense

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The Visual Temperature of Textile (원단의 시각적 온도감)

  • Oh, Jiyeon;Park, YungKyung
    • Science of Emotion and Sensibility
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    • v.21 no.1
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    • pp.155-164
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    • 2018
  • The temperature is a sense that can be felt by touch and sight. However, the concept of the temperature sensation is rarely used together with the concept of visual sensation and tactile sensation. In this study, the sensation of the temperature sensed through tactile and visual sense was investigated by the visual temperature depending on color and material characteristics. The textile was selected as a sample that could include color and material characteristics. The textile sample was composed of each 15-16 kinds of Yellow, Red, Blue, and Green of total 90 samples. The analytical method was to analyze first, the warm-cool of the colors of Yellow, Red, Blue, Green, and then to the visual temperature according to visual classification and tactile classification. And we investigated the correlation of the visual temperature depending on weight, thickness, and unevenness. As a result, the number of textiles felt by Cool and Warm differed according to the warm-cool of the colors feeling in the same textile. However, the visual temperature was different to each classification of textile. In particular, it was noticeable in thin, see-through and matte textiles. In relation to weight, thickness, unevenness and the visual temperature, the textile classification related to the weight is a classification of a hard, matte textile, and the textile classification related to the thickness is a thin, see-through textile.

Multisensory based AR System for Education of Cultural Heritage

  • Jeong, Eunsol;Oh, Jeong-eun;Won, Haeyeon;Yu, Jeongmin
    • Journal of the Korea Society of Computer and Information
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    • v.24 no.11
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    • pp.61-69
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    • 2019
  • In this paper, we propose a multisensory(i.e., visual-auditory-tactile) based AR system for the education of cultural heritage. The proposed system provides a multisensory interaction by designing a user to experience with a 3D printed artifact which is mapped by a virtual 3D content of digital heritage. Compared with the existing systems of cultural heritage education based on augmented reality(AR) technology, this system focused on not only providing learning experience via a sense of visual and auditory, but also a sense of tactile. Furthermore, since this systems mainly provided the direct interactions using a 3D printed model, it gives a higher degree of realism than existing system that use touch or click motions on a 2D display of mobile phones and tablets. According to a result of user testing, we concluded that the proposed system delivered the excellent presence and learning flow to users. Particularly, from the usability evaluation, a 3D printed target artifact which is similar in shape to original heritage artifact, achieved the highest scores among the various tested targets.

The Change of Postural Sway of Diabetic Neuropathy by Galvanic Vestibular Stimulation (평류전정자극에 의한 당뇨성 신경증 환자의 자세동요 변화)

  • Hwang, Tae-Yeun;Kim, Young-Nam;Kim, Tae-Youl;Park, Jang-Sung;Yoon, Se-Won
    • Journal of the Korean Academy of Clinical Electrophysiology
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    • v.3 no.1
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    • pp.71-84
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    • 2005
  • This study had performed with purposes to analyze the influence of the change of vestibular sens, visual and proprioceptive sense to the postural sway, so as to supply the necessary clinical materials through developing the physical therapeutic interventions and assessment format for the diabetic neuropathy patients. The sample consisted of fifteen diabetic neuropathy patients with sensory disorder in their lower limbs and fifteen age-matched normal control group. Then the effect of the GVS and the visual cue open and closed to the postural sway were measured by CoP. The summary of the comparison results were obtained below. In the comparison of diabetes neuropathy patients group and age matched normal control group, however diabetes neuropathy patients group had a decrease in superficial tactile sense(p<.001) and nerve conduction velocity(p<.001), they were able to control the posture and walk. So it is, diabetes neuropaty patients had more disturbance compared with AMC group on at a hard surface, particularly in the visual cue open(p<.001) and visual cue closed(p<.01). Moreover, since diabetes neuropathy patients group had more differences in visual cue open and closed(p<. 01), GVS(p<.01), it meant that they're affected largely by vestibular sense, visual sense. In addition, since there're the largest change in doubled sense disturbance such as visual cue open and closed under GVS, it meant that compensation of other senses were quite important for the diabetes neuropathy patients' postural control. In the conclusion, diabetes neuropathy patients who decrease or lose the somatosensory system, sensory training of visual and vestibular system are likely to be quite essential to control the posture and balance.

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A Study on Realistic Interface Elements for Improving the Flow in Screen Golf (스크린골프의 몰입 향상을 위한 실감 인터페이스 요소 연구)

  • Doo, Kyungil
    • Journal of Industrial Convergence
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    • v.19 no.1
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    • pp.71-77
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    • 2021
  • Screen Golf provides a more realistic interface to users by implementing sophisticated sensors and 3D graphics so that they can play golf in an environment almost identical to the actual golf course, to provide a sense of reality that goes beyond simply enjoying golf indoors. In addition, users who experienced this interface environment showed a tendency to feel the fun of golf more and become more immersed in golf. Therefore, it is most important to provide an effective realistic interface in screen golf. In this study, the meaning of screen golf as a tangible sport and various interface elements embodied in screen golf were summarized. Also the factors that enable users to feel reality and fun of actual golf to make users more immersed in screen golf were identified. For this, interface elements based on sensory elements were arranged in terms of visual, auditory, and tactile sense, and improvement plans and directions for providing effective sensory interfaces for screen golf were suggested through user FGI, targeting regular customers of Golfzone and KakaoVX screen golf, and in-depth interviews with experts. As a result of the analysis, it was confirmed that the course information including the yardage and the play situation-directed graphic are elements that make immersion in the visual aspect. In terms of tactile aspect, the fact that users actually use golf equipment, as well as the sense of existence of a physical interface that embodies various course environments and course setting appeared to be an important factor. In particular, in the auditory aspect, it was confirmed that providing customized services for each user through AI caddy implemented to resemble a actual caddy is the most effective way to immerse users in screen golf with greater fun and realism.

Reinterpretation of Lee-Sang's Poems based on McLuhan's Media theory (맥루한의 미디어 이론에 근거한 '이상(李箱) 시(詩)'의 재해석)

  • Jung, Soo-Gyung;Han, Kwang-Pa;Ming, Shihua;Kang, Kyung-Kyu;Kim, Dong-Ho
    • 한국HCI학회:학술대회논문집
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    • 2008.02b
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    • pp.582-586
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    • 2008
  • MeLuhan's work has enormous power in the study of media theory. In Lee-Sang's works, we can find out the Macluhan's idea, "tactile" writing, which enhances more than one single sense, we-Sang's pieces, viewed as the origin of Korean concrete poetry, are being reconfigured in modern times. After publication, Lee-Sang's esoteric and complicated poem was considered as the result of schizophrenia. However, in the reconfiguring process, his continuously issued poems were reconsidered as a fraction of visual arts and analyzed as the substances of Korean dadaism and an attitude to challenge. But the real importance of Lee-Sang's poem is the extension of a sense; his poem is unbiased either by visual part or by emotional part, though one sense is extended to another sense. Now you will see the reinterpretation of we-Sang's world from the viewpoint of media, 'extension of senses'.

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Development of a Virtual Reality Glove Improvement Algorithm for Immersive Virtual Reality contents (몰입형 가상현실 콘텐츠를 위한 가상현실 글러브 개선 알고리즘 개발)

  • Song, Eun-Jee
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.25 no.6
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    • pp.807-812
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    • 2021
  • In order to be able to interact with the user to experience it as if it were real in virtual reality contents, input/output devices that make them feel the five senses of humans are required . In virtual reality (VR), devices that stimulate sight and hearing are the most representative. For a more realistic experience, suits and gloves that stimulate the sense of touch have recently been released, but there are not many cases applied to actual contents due to the limitation of device . In this paper, we analyze a virtual reality glove that can detect hand movement and touch in a virtual world. Based on the analysis, we propose an algorithm that can sense the intensity of collision with a VR object by tactile sense by improving the UI/UX using the vibration of the feedback method used in the existing virtual reality glove. In addition, the system implemented by the algorithm is applied to an actual case.

Development of K-$Touch^{TM}$ API for kinesthetic/tactile haptic interaction (역/촉감 햅틱 상호작용을 위한 "K-$Touch^{TM}$" API 개발 - 햅틱(Haptic) 개발자 및 응용분야를 위한 소프트웨어 인터페이스 -)

  • Lee, Beom-Chan;Kim, Jong-Phil;Ryu, Je-Ha
    • Journal of the HCI Society of Korea
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    • v.1 no.2
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    • pp.1-8
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    • 2006
  • This paper presents a development of new haptic API (Application Programming Interface) that is called K-$Touch^{TM}$ haptic API. It is designed in order to allow users to interact with objects by kinesthetic and tactile modalities through haptic interfaces. The K-$Touch^{TM}$ API would serve two different types of users: high level programmers who need an easy to use haptic API for creating haptic applications and researchers in the haptic filed who need to experiment or develop with new devices and new algorithms while not wanting to re-write all the required code from scratch. Since the graphic hardware based kinesthetic rendering algorithm implemented in the K-$Touch^{TM}$ API is different from any other conventional kinesthetic algorithms, this API can provide users with haptic interaction for various data representations such as 2D, 2.5D depth(height field), 3D polygon, and volume data. In addition, this API supports kinesthetic and tactile interaction simultaneously in order to allow users with realistic haptic interaction. With a wide range of applicative characteristics, therefore, it is expected that the proposed K-$Touch^{TM}$ haptic API will assists to have deeper recognition of the environments, and enhance a sense of immersion in environments. Moreover, it will be useful development toolkit to investigate new devices and algorithms in the haptic research field.

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A Study on the Meaning and Methodology of Landscape Drawings in the Environmental Design (환경설계에서 경관드로잉의 의미와 방법론에 관한 연구)

  • 변찬우
    • Journal of the Korean Institute of Landscape Architecture
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    • v.26 no.4
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    • pp.95-104
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    • 1999
  • The Landscape Drawing is the main medium for constructing better environment which provides human beings with a place for dwelling well, even though it has some limitations. To provide places for people's daily lives, by what measure do we design\ulcorner, by what measure do we give dimension\ulcorner, and how can we appropriately measure the place with drawing\ulcorner On any given site, of course, much has already happened, i.e, there is history. Any adequate interpretation of such a site should poetically take into account the present effects of its absent past. The findings to reveal the meaning and methodology of landscape drawings in the environmental design with a case study are as follows: (1) The value of landscape drawings is the poetic, artistic interpretation which we sense and bodily experience through the simultaneous exposure of the site's temporal, spatial, and tactile conditions. (2) The landscape drawing should represent the invisible (imaginary) world as well as the visible (physical) world. (3) There can be classified as two methods in representing the rich experience of a place: expression and notation. Expression is the abstract representation and do not have a direct relationship to construction due to its ambiguous and connotative structure. But notation is constructional due to it's purely objective symbol system which is obviously denotative structure. (4) Collage is a medium of specific act that can represent the complex layered phenomena and the rich experience of given site. (5) The landscape drawings represent not only topographical space which can be measured objectively, but also topic which can be cognized culturally.

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A Study on the "allgemeine Elementenlehre" of $L\'{a}szl\'{o}$ Moholy-Nagy (라슬로 모호이-나쥬의 "일반 기초요소론"에 관한 연구)

  • Lee, Ran-Pyo
    • Korean Institute of Interior Design Journal
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    • v.16 no.6
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    • pp.56-64
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    • 2007
  • This study is purposed to explicate the idea of 'the general design' for the construction of the construction of space of $L\'{a}szl\'{o}$ Moholy-Nagy who has stood against the traditional value system and made an attempt to create a new space-form language. On the basis of unification of perception and reality Moholy-Nagy intended to regenerate the essential aspects of life through an art by bestowing art with an aesthetic foundation and also expanding the art world into the living area. 'The Allgemeine Elementenlehre(the general theory of elements)' of Moholy-Nagy that is distanced from the visual perception as the dominant sense which is based on the principle of representation and imitation, and emphasized on the complicated relationship between the various senses including the tactile sense, offers a pedagogical basis for the space design that is indispensable for the plastic thinking and practice. At the same time it indicates an access route to the primary nature through the spatial construction of the prime elements of nature and man To explicate his idea toward the general theory of design of space, it will be tried first of all to clarify the core points of the empirio-criticism and the constructivism as the theoretical backgrounds of Moholy-Nagy. And then on the basis of these theoretical backgrounds will be analyzed the system and the contents of 'the allgemeine Elementenlehre' as the general space design theory and also the general space design pedagogy.

A Cervical Epidural Hematoma Caused by Ruptured Arteriovenous Malformation Presenting as a Brown-Sequard and Horner's Syndrome - A Case Report - (Brown-Sequard 증후군과 Horner씨 증후군으로 발현된 동정맥 기형 파열로 인한 경추 경막외 혈종 - 증례보고 -)

  • Jeon, Een-Ho;Song, Jun-Hyeok;Park, Hyang-Kwon;Shin, Kyu-Man;Kim, Sung-Hak
    • Journal of Korean Neurosurgical Society
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    • v.30 no.sup1
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    • pp.144-148
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    • 2001
  • We report a rare case of Brown-Sequard syndrome associated with Horner's syndrome in cervical epidural hematoma caused by a ruptured arteriovenous malformation. A 54-year-old man developed sudden sharp neck pain, radiating to the interscapular area. Within hours, left side hemiplegia and decreased tactile sense and loss of contralateral pain sense ensued. Emergency cervical magnetic resonance image showed an epidural hematoma over the cervico-thoracic junction. The hematoma was located in the left posterolateral area of the cervical spinal canal. Emergent decompressive laminectomy and an evacuation of the hematoma were performed. A tangled soft tissue mass found in the hematoma was proven to be an arteriovenous malformation. To the authors, knowledge, this might be the first case of a Brown-Sequard syndrome associated with Horner's syndrome caused by ruptured cervical epidural arteriovenous malformation.

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