Tatsuki Fushimi
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View article: Generating amplitude acoustic patterns by mechanically shifting the emitters of an array
Generating amplitude acoustic patterns by mechanically shifting the emitters of an array Open
Acoustic patterns are employed for particle patterning, targeted therapeutic ultrasound, or 3D printing. Patterns are generated using phased-arrays that electronically control each emitter or using passive structures that modulate the wave…
View article: Event Topology-based Visual Microphone for Amplitude and Frequency Reconstruction
Event Topology-based Visual Microphone for Amplitude and Frequency Reconstruction Open
Accurate vibration measurement is vital for analyzing dynamic systems across science and engineering, yet noncontact methods often balance precision against practicality. Event cameras offer high-speed, low-light sensing, but existing appr…
View article: Dynamic caustics by ultrasonically modulated liquid surface
Dynamic caustics by ultrasonically modulated liquid surface Open
View article: Discipline Together with the Self in Kendo: Exploring "Qi" through Mixed Reality and Autoethnography
Discipline Together with the Self in Kendo: Exploring "Qi" through Mixed Reality and Autoethnography Open
In an era where swords are no longer wielded to kill but to enhance human lives, swordfights are not about confronting the opponent in front of you but facing yourself. At the core of modern-day combat lies the cultivation of virtues such …
View article: Design and evaluation of a voltage-controlled current source for galvanic vestibular stimulation research
Design and evaluation of a voltage-controlled current source for galvanic vestibular stimulation research Open
Galvanic Vestibular Stimulation (GVS) is a non-invasive technique that stimulates the vestibular system, which is crucial for maintaining balance and processing spatial orientation. The integration between the visual and vestibular systems…
View article: Conditional neural holography: a distance-adaptive CGH generator
Conditional neural holography: a distance-adaptive CGH generator Open
A convolutional neural network (CNN) is useful for overcoming the trade-off between generation speed and accuracy in the process of synthesizing computer-generated holograms (CGHs). However, methods using a CNN have limited applicability a…
View article: Experimental and Numerical Study of Acoustic Streaming in Mid-Air Phased Arrays
Experimental and Numerical Study of Acoustic Streaming in Mid-Air Phased Arrays Open
Mid-air acoustic streaming, where ultrasound induces steady fluid motion, could significantly affect the perception of haptic sensations, stability of levitation systems, and enable controlled transfer of odours (smells) through air by dir…
View article: Generative artificial intelligence-guided user studies: an application for air taxi services
Generative artificial intelligence-guided user studies: an application for air taxi services Open
View article: Spatial Sound Modulation through Manual Reconfiguration of Phased Plate
Spatial Sound Modulation through Manual Reconfiguration of Phased Plate Open
Ultrasonic phased array technology, while versatile, often requires complex computing resources and numerous amplifier components. We present a Manually Reconfigurable Phased Array that physically controls transducer position and phase, of…
View article: Voltage Controlled Howland Current Source for Galvanic Vestibular Stimulation
Voltage Controlled Howland Current Source for Galvanic Vestibular Stimulation Open
View article: Mid-Air Single-Sided Acoustic Levitation in High-Pressure Regions of Zero-Order Bessel Beams
Mid-Air Single-Sided Acoustic Levitation in High-Pressure Regions of Zero-Order Bessel Beams Open
Acoustic levitation enables non-contact manipulation using sound waves. While conventional methods entrap particles at pressure nodes (zero-pressure region surrounded by high-pressure), we demonstrate stable acoustic levitation and transla…
View article: Multi focus acoustic field generation using Dammann gratings for phased array transducers
Multi focus acoustic field generation using Dammann gratings for phased array transducers Open
Phased array transducers can shape acoustic fields for versatile manipulation; however, generating multiple focal points typically involves complex optimization. This study demonstrates that Dammann gratings – binary phase gratings origina…
View article: Conditional neural holography: a distance-adaptive CGH generator
Conditional neural holography: a distance-adaptive CGH generator Open
A convolutional neural network (CNN) is useful for overcoming the trade-off between generation speed and accuracy in the process of synthesizing computer-generated holograms (CGHs). However, methods using a CNN have limited applicability a…
View article: Floating on the Boundary: Perceptions of Reality in a Half-Digital Half-Physical Bunny
Floating on the Boundary: Perceptions of Reality in a Half-Digital Half-Physical Bunny Open
In a realm where virtual and real worlds converge, we present "Float" as a digital-physical mixed entity and the findings through the preliminary study. This research has uncovered the "Physical-Digital Continuous Illusion"---a phenomenon …
View article: Generative Artificial Intelligence-Guided User Studies: An Application for Air Taxi Services
Generative Artificial Intelligence-Guided User Studies: An Application for Air Taxi Services Open
User studies are crucial for meeting user needs. In user studies, real experimental scenarios and participants are constructed and recruited. However, emerging and unfamiliar studies face limitations, including safety concerns and iterativ…
View article: HIFU Embossment of Acrylic Sheets
HIFU Embossment of Acrylic Sheets Open
Tactile interfaces such as embossment facilitate information transfer through touch in Human-Computer Interaction (HCI). Traditional embossing methods, while enabling the creation of intricate patterns, face limitations due to mold relianc…
View article: Comparative Evaluation of Visual and Tactile Spatial Guidance Systems in Virtual Reality
Comparative Evaluation of Visual and Tactile Spatial Guidance Systems in Virtual Reality Open
Despite the common use of visual aids for spatial guidance, the extensive use of visual elements can lead to interface overcrowding and visual overload. In contrast, tactile navigation presents a vision-free alternative in assisting way-fi…
View article: A digital twin approach for experimental acoustic hologram optimization
A digital twin approach for experimental acoustic hologram optimization Open
The need for the accurate generation of acoustic holograms has increased with the prevalence of the use of acoustophoresis methods such as ultrasonic haptic sensation, acoustic levitation, and displays. However, experimental results have s…
View article: 3D study of the vibrational behaviour of lithic flint blades
3D study of the vibrational behaviour of lithic flint blades Open
Stone Age sites are well known to often contain many lithic flint blades and flakes, which may provide important information about early European Stone Age cultures and their environment. Understanding the mechanical behaviour of lithic fl…
View article: Multi focus acoustic field generation using Dammann gratings for phased array transducers
Multi focus acoustic field generation using Dammann gratings for phased array transducers Open
Phased array transducers can shape acoustic fields for versatile manipulation; however, generating multiple focal points typically involves complex optimization. This study demonstrates that Dammann gratings - binary phase gratings origina…
View article: Microfluidic platform using focused ultrasound passing through hydrophobic meshes with jump availability
Microfluidic platform using focused ultrasound passing through hydrophobic meshes with jump availability Open
Applications in chemistry, biology, medicine, and engineering require the large-scale manipulation of a wide range of chemicals, samples, and specimens. To achieve maximum efficiency, parallel control of microlitre droplets using automated…
View article: Towards Digital Nature: Bridging the Gap between Turing Machine Objects and Linguistic Objects in LLMMs for Universal Interaction of Object-Oriented Descriptions
Towards Digital Nature: Bridging the Gap between Turing Machine Objects and Linguistic Objects in LLMMs for Universal Interaction of Object-Oriented Descriptions Open
In this paper, we propose a novel approach to establish a connection between linguistic objects and classes in Large Language Model Machines (LLMMs) such as GPT3.5 and GPT4, and their counterparts in high level programming languages like P…
View article: SHITARA: Sending Haptic Induced Touchable Alarm by Ring-shaped Air vortex
SHITARA: Sending Haptic Induced Touchable Alarm by Ring-shaped Air vortex Open
Social interaction begins with the other person's attention, but it is difficult for a d/Deaf or hard-of-hearing (DHH) person to notice the initial conversation cues. Wearable or visual devices have been proposed previously. However, these…
View article: Target acoustic field and transducer state optimization using Diff-PAT
Target acoustic field and transducer state optimization using Diff-PAT Open
Phased array transducers (PATs) are used in many applications, from airborne ultrasonic tactile displays to acoustic levitation. Acoustic holograms play a significant role in determining the performance of these applications. Many PATs and…
View article: Acoustic hologram optimisation using automatic differentiation
Acoustic hologram optimisation using automatic differentiation Open
View article: Data for "Acoustic Hologram Optimisation Using Automatic Differentiation"
Data for "Acoustic Hologram Optimisation Using Automatic Differentiation" Open
Initial public release of DIff-PAT following the acceptance of the journal paper. The data is released for research and educational purpose only. Please give appropriate citation to "Acoustic Hologram Optimisation Using Automatic Different…
View article: Acoustophoretic volumetric displays using a fast-moving levitated particle
Acoustophoretic volumetric displays using a fast-moving levitated particle Open
Displays have revolutionized the way we work and learn, and thus, the development of display technologies is of paramount importance. The possibility of a free-space display in which 3D graphics can be viewed from 360° without obstructions…
View article: Data for "Acoustophoretic Volumetric Displays using a Fast-Moving Levitated Particle"
Data for "Acoustophoretic Volumetric Displays using a Fast-Moving Levitated Particle" Open
Data associated with the manuscript entitled "Acoustophoretic volumetric displays using a fast-moving levitated particle".
View article: Data for "Acoustophoretic Volumetric Displays using a Fast-Moving Levitated Particle"
Data for "Acoustophoretic Volumetric Displays using a Fast-Moving Levitated Particle" Open
Data associated with the manuscript entitled "Acoustophoretic volumetric displays using a fast-moving levitated particle".
View article: Data For "Nonlinear Trapping Stiffness Of Mid-Air Single-Axis Acoustic Levitators"
Data For "Nonlinear Trapping Stiffness Of Mid-Air Single-Axis Acoustic Levitators" Open
Data associated with the manuscript entitled "Nonlinear Trapping Stiffness of Mid-Air Single-Axis Acoustic Levitators".