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ACM SIGGRAPH 2020 Emerging Technologies最新文献

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TorsionCrowds: Multi-Points Twist Stimulation Display for Large Part of the Body 扭转人群:多点扭转刺激显示的大部分身体
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407303
Arata Horie, Hideki Shimobayashi, M. Inami
{"title":"TorsionCrowds: Multi-Points Twist Stimulation Display for Large Part of the Body","authors":"Arata Horie, Hideki Shimobayashi, M. Inami","doi":"10.1145/3388534.3407303","DOIUrl":"https://doi.org/10.1145/3388534.3407303","url":null,"abstract":"Humans perceive mechanical phenomena on the skin from the distribution of stimuli. In this paper, we propose TorsionCrowds, a novel tactile display that presents force stimulus distribution over a large area of the body. The system consists of multi-channel twist skin deformation modules and the passive mechanisms for fitting to the human body curve. By stimulating elements arrangement based on perceptual experiments, the user can perceive continuous force distribution in a large area of the body sharply with a high dynamic range of intensity. In the demonstration, the user can experience the force distribution from the system suitable for each scenario such as visual haptization, self-motion presentation, proprioception substitution.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124826471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Neural Holography 神经全息术
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407295
Yifan Peng, Suyeon Choi, Nitish Padmanaban, Jonghyun Kim, Gordon Wetzstein
{"title":"Neural Holography","authors":"Yifan Peng, Suyeon Choi, Nitish Padmanaban, Jonghyun Kim, Gordon Wetzstein","doi":"10.1145/3388534.3407295","DOIUrl":"https://doi.org/10.1145/3388534.3407295","url":null,"abstract":"Holographic displays promise unprecedented capabilities for direct-view displays as well as virtual and augmented reality (VR/AR) applications. However, one of the biggest challenges for computer-generated holography (CGH) is the fundamental tradeoff between algorithm runtime and achieved image quality, which has prevented high-quality holographic image synthesis at fast speeds. Moreover, the image quality achieved by most holographic displays is low, due to the mismatch between physical light transport of the display and its simulated model. Here, we develop an algorithmic CGH framework that achieves unprecedented image fidelity and real-time framerates. Our framework comprises several parts, including a novel camera-in-the-loop optimization strategy that allows us to either optimize a hologram directly or train an interpretable model of the physical light transport and a neural network architecture that represents the first CGH algorithm capable of generating full-color holographic images at 1080p resolution in real time.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129877491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Actuated Club: Modification of Golf-Club Posture with force feedback and motion prediction in VR environment 驱动球杆:VR环境下基于力反馈和运动预测的高尔夫球杆姿态修正
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407286
Takuto Nakamura, Daichi Saito, Erwin Wu, H. Koike
{"title":"Actuated Club: Modification of Golf-Club Posture with force feedback and motion prediction in VR environment","authors":"Takuto Nakamura, Daichi Saito, Erwin Wu, H. Koike","doi":"10.1145/3388534.3407286","DOIUrl":"https://doi.org/10.1145/3388534.3407286","url":null,"abstract":"In the golf, the trajectory and posture of the golf club during the swing influence on the direction and trajectory of the hit ball. While the instructor and the system instruct how to improve the swing, it is difficult to correct the swing motion during the swing due to lack of information quantity, time for interpretation of presented information, and lack of the sense of agency in the swing motion. Therefore, in this study, we realize the modification of the swing motion during the swing using the trajectory prediction of the golf swing and the non-grounding type force display. To cope the delay between the command of the modification and the swing correction, this system learns the golf swing trajectory of the user in advance, and predicts them. If the result of the prediction suggests the club deviates from the ideal trajectory or posture, the gyroscope presents torque in the ideal trajectory direction to correct the trajectory or posture. By practicing VR golf using the proposed system, the user can always practice golf-swing with the ideal trajectory, and can make the swing practice efficient.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124605910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Feel it: Using Proprioceptive and Haptic Feedback for Interaction with Virtual Embodiment 感受它:使用本体感受和触觉反馈与虚拟化身互动
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407288
Theophilus Teo, Fumihiko Nakamura, M. Sugimoto, Adrien Verhulst, Gun A. Lee, M. Billinghurst, Matt Adcock
{"title":"Feel it: Using Proprioceptive and Haptic Feedback for Interaction with Virtual Embodiment","authors":"Theophilus Teo, Fumihiko Nakamura, M. Sugimoto, Adrien Verhulst, Gun A. Lee, M. Billinghurst, Matt Adcock","doi":"10.1145/3388534.3407288","DOIUrl":"https://doi.org/10.1145/3388534.3407288","url":null,"abstract":"Virtual embodiment has become popular for enhancing virtual interaction in terms of sharing object information. A user can control a character or object in a virtual environment to provide immersive interactive experience. However, one of the limitations for the virtual interactions was the incapability to receive feedback apart from visual hints. In this demonstration, we present using servo motor and Galvanic Vestibular Stimulation to provide feedback from a virtual interaction. Our technique transforms information of the virtual objects (e.g.: weight) into haptic and proprioceptive feedback that stimulates different sensations to a user. We present the user experience to the attendees of SIGGRAPH 2020 through a live demonstration in a virtual environment controlled using a virtual robotic arm.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121204906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
ThinVR: VR displays with wide FOV in a compact form factor ThinVR:具有宽视场的VR显示器，外形紧凑
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407302
J. Ratcliff, Alexey Supikov, Santiago Alfaro, Ronald T. Azuma
{"title":"ThinVR: VR displays with wide FOV in a compact form factor","authors":"J. Ratcliff, Alexey Supikov, Santiago Alfaro, Ronald T. Azuma","doi":"10.1145/3388534.3407302","DOIUrl":"https://doi.org/10.1145/3388534.3407302","url":null,"abstract":"We demonstrate ThinVR as a new approach to simultaneously address the bulk and limited FOV of today’s head-worn VR displays. ThinVR enables a VR display to provide 180 degrees horizontal FOV in a thin, compact form factor. Our approach is to replace traditional large optics with a curved microlens array of custom-designed heterogeneous lenslets and place these in front of a curved display. Custom-designed heterogeneous optics were crucial to make this approach work, since over a wide FOV, many lenslets are viewed off the central axis. We show the viability of the ThinVR approach through two demonstrations, using both dynamic and static displays.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128906246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Elemphasize: Emphasizing Mechanical Tactile Sensation via Electrical Stimulation 强调:通过电刺激强调机械触觉
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407287
R. Mizuhara, Akifumi Takahashi, H. Kajimoto
{"title":"Elemphasize: Emphasizing Mechanical Tactile Sensation via Electrical Stimulation","authors":"R. Mizuhara, Akifumi Takahashi, H. Kajimoto","doi":"10.1145/3388534.3407287","DOIUrl":"https://doi.org/10.1145/3388534.3407287","url":null,"abstract":"In order to provide a tactile sensation that is appropriate for tense situations such as being slapped or slashed, it must be safe as well as strong and natural. Mechanical stimulation can present a natural sensation, but too much intensity can lead to injury. Electrical stimulation can present high intensity stimuli without mechanical damage, but the naturalness of tactile sensation is inferior due to its bizarre sensation. We proposed a method to combine mechanical stimulation and electrical stimulation to achieve strong sensation without losing natural sensation. An electrode is attached to the physical object and the subjective intensity of the mechanical stimulus is enhanced by the electrical stimulus when contact with the skin. We also present several scenarios such as application to a thrilling VR content and training to get used to fear of injection pain.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132456546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Tight Game: Implicit Force Intervention in Inter-personal Physical Interactions on Playing Tug of War 紧密游戏:拔河游戏中人际身体互动的内隐力量干预
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407301
Azumi Maekawa, Shunichi Kasahara, Hiroto Saito, Daisuke Uriu, Ganesh Gowrishankar, M. Inami
{"title":"The Tight Game: Implicit Force Intervention in Inter-personal Physical Interactions on Playing Tug of War","authors":"Azumi Maekawa, Shunichi Kasahara, Hiroto Saito, Daisuke Uriu, Ganesh Gowrishankar, M. Inami","doi":"10.1145/3388534.3407301","DOIUrl":"https://doi.org/10.1145/3388534.3407301","url":null,"abstract":"Physical assistance can alleviate individual differences of abilities between players to create well-balanced inter-personal physical games. However, ‘explicit’ intervention can ruin the players’ sense of agency, and cause a loss of engagements in both the player and audience. We propose an implicit physical intervention system ”The Tight Game” for ‘Tug of War’ a one-dimensional physical game. Our system includes four force sensors connected to the rope and two hidden high torque motors, which provide realtime physical assistance. We designed the implicit physical assistance by leveraging human recognition of the external forces during physical actions. In The Tight Game, a pair of players engage in a tug of war, and believe that they are participating in a well balanced, tight game. In reality, however, an external system or person mediates the game, performing physical interventions without the players noticing.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132099555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Method for Appropriate Occlusion between a Mid-air 3DCG Object and a Hand by Projecting an Image on the Hand 一种通过在手部投影图像实现空中3DCG物体与手部适当遮挡的方法
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407285
Mayumi Takazaki, S. Mizuno
{"title":"A Method for Appropriate Occlusion between a Mid-air 3DCG Object and a Hand by Projecting an Image on the Hand","authors":"Mayumi Takazaki, S. Mizuno","doi":"10.1145/3388534.3407285","DOIUrl":"https://doi.org/10.1145/3388534.3407285","url":null,"abstract":"(a) Viewing from the user , the hand is in front of the mid-air 3DCG object, so the hand is occluding the 3DCG object. (b) Viewing from the user, part of the hand is behind the mid-air 3DCG object. Occluding the hand with the mid-air 3DCG object realized by projecting an appropriate image to the hand automatically. (c) Another example of occluding the hand with the mid-air 3DCG object based on projecting an image.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129289314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Simulfocus imaging: quasi-simultaneous multi-focus imaging using Lock-in Pixel imager and TAG lens 同时聚焦成像:使用锁定像素成像仪和TAG镜头进行准同时多聚焦成像
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407298
H. Oku, Kazuki Yamato, Yusuke Tanaka, K. Yasutomi, S. Kawahito
{"title":"Simulfocus imaging: quasi-simultaneous multi-focus imaging using Lock-in Pixel imager and TAG lens","authors":"H. Oku, Kazuki Yamato, Yusuke Tanaka, K. Yasutomi, S. Kawahito","doi":"10.1145/3388534.3407298","DOIUrl":"https://doi.org/10.1145/3388534.3407298","url":null,"abstract":"This installation demonstrates a new imaging method to capture multi-focus images quasi-simultaneously (simulfocus imaging) by synchronous control of a four-tap lock-in pixel imager and a tunable acoustic gradient index (TAG) lens.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130981929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hopping-Pong: Computational Curveball in Table Tennis by Noncontact Ultrasound Force 用非接触超声力计算乒乓球曲线球
ACM SIGGRAPH 2020 Emerging Technologies Pub Date : 2020-08-17 DOI: 10.1145/3388534.3407290
Tao Morisaki, Ryoma Mori, R. Mori, Kohki Serizawa, Yasutoshi Makino, Yuta Itoh, Yuji Yamakawa, H. Shinoda
{"title":"Hopping-Pong: Computational Curveball in Table Tennis by Noncontact Ultrasound Force","authors":"Tao Morisaki, Ryoma Mori, R. Mori, Kohki Serizawa, Yasutoshi Makino, Yuta Itoh, Yuji Yamakawa, H. Shinoda","doi":"10.1145/3388534.3407290","DOIUrl":"https://doi.org/10.1145/3388534.3407290","url":null,"abstract":"Augmented sports is the attempts to enhance sports as entertainment and bridge the skill gap in sports between players by computer technologies. As an augmentation method, physically interfering with sports is proposed such as changing ball trajectories. Previously, we proposed changing a ping-pong ball trajectory by ultrasound force[Morisaki et al. 2019]. In this paper, we propose an interactive table tennis system based on the ultrasound force technique. In our system, players can shoot a curveball at voluntary timing by noncontact ultrasound force. The curveball by ultrasound can cause an opponent player to swing and miss. Even if the trajectory change is slight, a miss-shot can occur when the ball hits an unintended racket position. This system enhances table tennis as entertainment and supports beginners.","PeriodicalId":218200,"journal":{"name":"ACM SIGGRAPH 2020 Emerging Technologies","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123845515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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