Thermoesthesia

Kushiyama, Kumiko; Inose, Momoko; Yokomatsu, Rie; Fujita, Kinya; Kitazawa, Toshiie; Tamura, Mototsugu; Sasada, Shinji

doi:10.1145/1179295.1179319

Cited by 6 publications

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Warm or Cool, Large or Small? The Challenge of Thermal Displays

Jones

2008

IEEE Trans. Haptics

193

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Thermal displays have been developed to present thermal cues to the hand to facilitate object recognition in virtual environments or in teleoperated robotic systems. This review focuses on this application domain of thermal displays and considers the models developed to simulate the thermal interaction between an object and the hand as they make contact. An overview of thermal perception and the mechanisms underlying the processing of thermal information is provided to give a framework for analyzing the design of thermal displays. The models developed to simulate thermal feedback are examined together with a description of the implementation of these models in thermal displays. The domains in which thermal displays have been used are described; this includes the simulation of material properties, the recreation of large-scale thermal effects in virtual environments, the encoding of abstract concepts and the use of thermal feedback in interactive art. The review concludes by considering the advantages and challenges associated with using thermal displays in these diverse areas.

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Warm or Cool, Large or Small? The Challenge of Thermal Displays

Jones

2008

IEEE Trans. Haptics

193

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Intensity-Adjustable Non-Contact Cold Sensation Presentation Based on the Vortex Effect

Yoshimoto

Ienaga

et al. 2022

IEEE Trans. Haptics

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Cold sensations of varying intensities are perceived when human skin is subject to diverse environments. The accurate presentation of temperature changes is important to elicit immersive sensations in applications such as virtual reality. We developed a method to elicit intensity-adjustable non-contact cold sensations based on the vortex effect. We applied this effect to generate cold air at approximately 0 • C and varied the skin temperature over a wide range. The perception of different temperatures can be elicited by adjusting the volume flow rate of the cold air. Additionally, we introduced a cooling model to relate the changes in skin temperature to various parameters such as the cold air volume flow rate and distance from the cold air outlet to the skin. For validation, we conducted measurement experiments and found that our model can estimate the change in skin temperature with a root mean-square error of 0.16 • C. Furthermore, we evaluated the performance of a prototype in psychophysical cold discrimination experiments based on the discrimination threshold. Thus, cold sensations of varying intensities can be generated by varying the parameters. These cold sensations can be combined with images, sounds, and other stimuli to create an immersive and realistic artificial environment.

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ThermOn

Akiyama

Sato

Makino

et al. 2013

Proceedings of the 2013 International Symposium on Wearable Computers

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This report proposes a thermal media system, ThermOn, which enables users to feel dynamic hot and cold sensations on their body corresponding to the sound of music. Thermal sense plays a significant role in the human recognition of environments and influences human emotions. By employing thermal sense in the music experience, which also greatly affects human emotions, we have successfully created a new medium with an unprecedented emotional experience. With ThermOn, a user feels enhanced excitement and comfort, among other responses. For the initial prototype, headphone-type interfaces were implemented using a Peltier device, which allows users to feel thermal stimuli on their ears. Along with the hardware, a thermal-stimulation model that takes into consideration the characteristics of human thermal perception was designed. The prototype device was verified using two methods: the psychophysical method, which measures the skin potential response and the psychometric method using a Likert-scale questionnaire and open-ended interviews. The experimental results suggest that ThermOn (a) changes the impression of music, (b) provides comfortable feelings, and (c) alters the listener's ability to concentrate on music in the case of a rock song. Moreover, these effects were shown to change based on the methods with which thermal stimuli were added to music (such as temporal correspondence) and on the type of stimuli (warming or cooling). From these results, we have concluded that the ThermOn system has the potential to enhance the emotional experience when listening to music.

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Thermoesthesia

Cited by 6 publications

References 0 publications

Warm or Cool, Large or Small? The Challenge of Thermal Displays

Warm or Cool, Large or Small? The Challenge of Thermal Displays

Intensity-Adjustable Non-Contact Cold Sensation Presentation Based on the Vortex Effect

ThermOn

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