activity
20132023
most citedThree-dimensional Mid-air Acoustic Manipulation by Ultrasonic Phased Arrays

174 citations · 276 across the 13 of their papers we have counts for

collaborators

13 papers

cs.HC2023★ 8 cited

Lottery and Sprint: Generate a Board Game with Design Sprint Method on AutoGPT

Maya Grace Torii, Takahito Murakami, Yoichi Ochiai

In this paper, we present a novel approach using the Auto GPT system alongside Design Sprint methodology to facilitate board game creation for inexperienced users. We introduce the…

cs.HC2022

Kuchibashi: 3D-Printed Tweezers Bioinspired by the New Caledonian Crow's Beak

Takahito Murakami, Maya Grace Torii, Xanat Vargas Meza +1

In this study we implemented Kuchibashi, the New Caledonian Crow beak-like tweezers, and conducted a user study to evaluate the prototype's usability. We proved that Kuchibashi is…

cs.CV2022★ 3 cited

Deep Billboards towards Lossless Real2Sim in Virtual Reality

Naruya Kondo, So Kuroki, Ryosuke Hyakuta +3

An aspirational goal for virtual reality (VR) is to bring in a rich diversity of real world objects losslessly. Existing VR applications often convert objects into explicit 3D mode…

cs.CV2021

VaxNeRF: Revisiting the Classic for Voxel-Accelerated Neural Radiance Field

Naruya Kondo, Yuya Ikeda, Andrea Tagliasacchi +3

Neural Radiance Field (NeRF) is a popular method in data-driven 3D reconstruction. Given its simplicity and high quality rendering, many NeRF applications are being developed. Howe…

cs.HC2021★ 1 cited

See-Through Captions: Real-Time Captioning on Transparent Display for Deaf and Hard-of-Hearing People

Kenta Yamamoto, Ippei Suzuki, Akihisa Shitara +1

Real-time captioning is a useful technique for deaf and hard-of-hearing (DHH) people to talk to hearing people. With the improvement in device performance and the accuracy of autom…

cs.SD2020★ 77 cited

Acoustic Hologram Optimisation Using Automatic Differentiation

Tatsuki Fushimi, Kenta Yamamoto, Yoichi Ochiai

Acoustic holograms are the keystone of modern acoustics. It encodes three-dimensional acoustic fields in two dimensions, and its quality determine the performance of acoustic syste…

eess.IV2020

A Preliminary Study for Identification of Additive Manufactured Objects with Transmitted Images

Kenta Yamamoto, Ryota Kawamura, Kazuki Takazawa +2

Additive manufacturing has the potential to become a standard method for manufacturing products, and product information is indispensable for the item distribution system. While mo…

cs.HC2019

Discussion of Intelligent Electric Wheelchairs for Caregivers and Care Recipients

Satoshi Hashizume, Ippei Suzuki, Kazuki Takazawa +1

In order to reduce the burden on caregivers, we developed an intelligent electric wheelchair. We held workshops with caregivers, asked then regarding the problems in caregiving, an…

cs.HC2019

Sonovortex: Aerial Haptic Layer Rendering by Aerodynamic Vortex and Focused Ultrasound

Satoshi Hashizume, Amy Koike, Takayuki Hoshi +1

In this paper, a method of rendering aerial haptics that uses an aerodynamic vortex and focused ultrasound is presented. Significant research has been conducted on haptic applicati…

cs.GR2018★ 1 cited

How could we ignore the lens and pupils of eyeballs: Metamaterial optics for retinal projection

Yoichi Ochiai

Retinal projection is required for xR applications that can deliver immersive visual experience throughout the day. If general-purpose retinal projection methods can be realized at…

cs.HC2017★ 3 cited

Air Mounted Eyepiece: Design Methods for Aerial Optical Functions of Near-Eye and See-Through Display using Transmissive Mirror Device

Yoichi Ochiai, Kazuki Otao, Hiroyuki Osone

We propose a novel method to implement an optical see-through head mounted display which renders real aerial images with a wide viewing angle, called an Air Mounted Eyepiece (AME).…

cs.GR2015★ 9 cited

Fairy Lights in Femtoseconds: Aerial and Volumetric Graphics Rendered by Focused Femtosecond Laser Combined with Computational Holographic Fields

Yoichi Ochiai, Kota Kumagai, Takayuki Hoshi +3

We present a method of rendering aerial and volumetric graphics using femtosecond lasers. A high-intensity laser excites a physical matter to emit light at an arbitrary 3D position…

physics.class-ph2013★ 174 cited

Three-dimensional Mid-air Acoustic Manipulation by Ultrasonic Phased Arrays

Yoichi Ochiai, Takayuki Hoshi, Jun Rekimoto

The essence of levitation technology is the countervailing of gravity. It is known that an ultrasound standing wave is capable of suspending small particles at its sound pressure n…