Leaked Light Field-AugmentedHuman2017
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This paper introduces novel methods to add new material properties to a light field display, using computationally designed and fabricated pinholes. Most of the surface materials commonly used for LCDs are limited to smooth, transparent materials, such as glass or plastic. In conventional studies, a pinhole-based parallax barrier is employed in the design light field displays. We redefine these method to transform a non-transparent and non-smooth material, such as wood or stone, into a light field display.
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The document discusses the properties and uses of converging lenses. It defines key terms like focal length, focal point, and object and image distances. It describes the six cases of image formation by a converging lens depending on the position of the object. Examples of applications are given for different cases, such as magnifying glasses, cameras, and projectors. Past exam questions related to converging lenses are also included.
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This slide was presented in Session "Seeing in different light" at the 10th Augmented Human International Conference (AH2019).
https://www.augmented-human.com
【Publication】
Akira Ishii, Masaya Tsuruta, Ippei Suzuki, Shuta Nakamae, Junichi Suzuki, and Yoichi Ochiai. 2019. Let Your World Open: CAVE-based Visualization Methods of Public Virtual Reality towards a Shareable VR Experience. In Proceedings of the 10th Augmented Human International Conference 2019 (AH2019). ACM, New York, NY, USA, Article 33, 8 pages. DOI: https://doi.org/10.1145/3311823.3311860
1ST BEST PAPER AWARD
【Project page】
https://digitalnature.slis.tsukuba.ac.jp/2017/05/reversecave/
【Project movie】
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【Presenter】
3rd author: Ippei Suzuki (鈴木 一平)
University of Tsukuba, School of Informatics
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Digital Nature Group (Yoichi Ochiai)
https://1heisuzuki.com
【Abstract】
Virtual reality (VR) games are currently becoming part of the public-space entertainment (e.g., VR amusement parks). Therefore, VR games should be attractive for players, as well as for bystanders. Current VR systems are still mostly focused on enhancing the experience of the head-mounted display (HMD) users; thus, bystanders without an HMD cannot enjoy the experience together with the HMD users. We propose the "ReverseCAVE": a proof-of-concept prototype for public VR visualization using CAVE-based projection with translucent screens for bystanders toward a shareable VR experience. The screens surround the HMD user and the VR environment is projected onto the screens. This enables the bystanders to see the HMD user and the VR environment simultaneously. We designed and implemented the ReverseCAVE, and evaluated it in terms of the degree of attention, attractiveness, enjoyment, and shareability, assuming that it is used in a public space. Thus, we can make the VR world more accessible and enhance the public VR experience of the bystanders via the ReverseCAVE.Design Method of Digitally Fabricated Spring Glass Pen - SIGGRAPH 2018
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[Unit 9.03] lens
The document discusses the properties and uses of converging lenses. It defines key terms like focal length, focal point, and object and image distances. It describes the six cases of image formation by a converging lens depending on the position of the object. Examples of applications are given for different cases, such as magnifying glasses, cameras, and projectors. Past exam questions related to converging lenses are also included.
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Let Your World Open - Augmented Human 2019 #AH2019 (Oral presentation by Ippe...
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【Publication】
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【Abstract】
Virtual reality (VR) games are currently becoming part of the public-space entertainment (e.g., VR amusement parks). Therefore, VR games should be attractive for players, as well as for bystanders. Current VR systems are still mostly focused on enhancing the experience of the head-mounted display (HMD) users; thus, bystanders without an HMD cannot enjoy the experience together with the HMD users. We propose the "ReverseCAVE": a proof-of-concept prototype for public VR visualization using CAVE-based projection with translucent screens for bystanders toward a shareable VR experience. The screens surround the HMD user and the VR environment is projected onto the screens. This enables the bystanders to see the HMD user and the VR environment simultaneously. We designed and implemented the ReverseCAVE, and evaluated it in terms of the degree of attention, attractiveness, enjoyment, and shareability, assuming that it is used in a public space. Thus, we can make the VR world more accessible and enhance the public VR experience of the bystanders via the ReverseCAVE.Design Method of Digitally Fabricated Spring Glass Pen - SIGGRAPH 2018
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【Project page】
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【Project movie】
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【Project movie】
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【Presenter】
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Master's Program in Computer Science
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https://www.iplab.cs.tsukuba.ac.jp/~tsuruta/
【Abstract】
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先端技術とメディア表現2018 #1
The document discusses representations of visual appearance in computer graphics and their relationships to methods for fabricating and displaying material appearance. It presents a taxonomy that extends previous work, arranging representations based on how they model interactions between viewers, materials, and illumination. Simpler representations that reduce material properties allow for full interactivity during display, while more complex representations maintaining full material properties restrict interactivity between viewers and lights.
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http://www.sigah.org/AH2018/
Telewheelchair: the Remote Controllable Electric Wheelchair System combined Human and Machine Intelligence
https://dl.acm.org/citation.cfm?id=3174914
【Project page】
http://digitalnature.slis.tsukuba.ac.jp/2017/03/telewheelchair/
【Project movie】
https://www.youtube.com/watch?v=e9bcp0elNFs
【Presenter】
Satoshi Hashizume (橋爪智)
University of Tsukuba,
Digital Nature Group (Yoichi Ochiai)
【Abstract】
Wheelchairs are essential means of transport for the elderly people and the physically challenged. However, wheelchairs need to be accompanied by caregivers. As society ages and the number of care recipients increases, the burden on caregivers is expected to increase. In order to reduce the burden on caregivers, we present Telewheelchair, an electric wheelchair equipped with a remote control function and computational operation assistance function. The caregiver can remotely control the Telewheelchair by means of a head mounted display (HMD). In addition, the proposed system is equipped with a human detection system to stop the wheelchair automatically and avoid collisions. We conducted a user study on the wheelchair in four types of systems and investigated the time taken to achieve tasks. Telewheelchair will enhance geriatric mobility and improve society by combining human intelligence and machine intelligence.
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This slide was presented at SIGGRAPH Asia 2017 "Emerging Technologies Talk: Embodied Interaction" session.
https://sa2017.siggraph.org/attendees/emerging-technologies?view=session&sid=47
Telewheelchair: a demonstration of the intelligent electric wheelchair system towards human-machine
https://doi.org/10.1145/3132818.3132834
Telewheelchair: The intelligent electric wheelchair system towards human-machine combined environmental supports
https://doi.org/10.1145/3102163.3102238
【Project page】
http://digitalnature.slis.tsukuba.ac.jp/2017/03/telewheelchair/
【Project movie】
https://www.youtube.com/watch?v=e9bcp0elNFs
【Presenter】
Satoshi Hashizume (橋爪智)
University of Tsukuba,
Digital Nature Group (Yoichi Ochiai)
【Abstract】
Telewheelchair is divided into two parts: a wheelchair part and a base station part for operating a wheelchair. We propose a telepresence system which enables us to provide care from a remote place by installing telepresence function in a wheelchair. The caregiver who drives the wheelchair can see environments around the handicapped person through the omnidirectional camera mounted on wheelchair. The caregiver wears HMD to view this image, and hold controller to control wheelchair. In order to safely operation, we employ Human-detection system by using YOLO. If person come close to the wheelchair, system stop wheelchair and display a caution on HMD. To assist operation in narrow area such like corridor, we employ environment recognition using SLAM. In future work, if a plurality of wheelchairs are connected and one operator person can assist with switching among these wheelchairs, the cost of nursing care can be reduced, and more people can receive the nursing care.
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This slide was presented at SIGGRAPH Asia 2017 "Emerging Technologies Talk: Magic of Light" session.
https://sa2017.siggraph.org/attendees/emerging-technologies?view=session&sid=45
Demonstration of the Unphotogenic Light: Protection from Secret Photography by Small Cameras
https://doi.org/10.1145/3132818.3132819
Unphotogenic light: high-speed projection method to prevent secret photography by small cameras
https://doi.org/10.1145/3102163.3102164
【Project page】
http://digitalnature.slis.tsukuba.ac.jp/2017/07/unphotogenic-light/
【Project movie】
https://www.youtube.com/watch?v=sCrAFTnqnkQ
【Presenter】
Ippei Suzuki (鈴木 一平)
University of Tsukuba, School of Informatics
College of Media Arts, Science and Technology
Digital Nature Group (Yoichi Ochiai)
http://1heisuzuki.tumblr.com/about
【Abstract】
We present a new method to protect projected content from secret photography using high-speed projection. In this study, we aim to realize a protectable projection method that allows people to observe content with their eyes but not record content with camera devices. To achieve this goal, we exploit the difference between the human vision system and the camera vision system. Notably, humans cannot recognize the high-speed changes of light. We were inspired by previous work that used these properties to show on-screen invisible markers. There are several studies that aim to present imperceptible on-screen markers using high-speed projection between the afterimage effect of human eyes and shutter speeds of digital cameras. From another point of view, these techniques show specific content only to the human eye while showing different content to a camera. Thus, we can project images that can be seen by human eyes whereas cameras only capture an incomplete frame. Therefore, this means the projected light is unphotogenic.
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https://uist.acm.org/uist2017/
You as a Puppet: Evaluation of Telepresence User Interface for Puppetry
https://doi.org/10.1145/3126594.3126608
【Project page】
http://digitalnature.slis.tsukuba.ac.jp/2016/01/yadori/
【Project movie】
https://www.youtube.com/watch?v=MRy5pgXY8es
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【Presenter】
Mose Sakashita (坂下 申世)
University of Tsukuba, School of Informatics
College of Media Arts, Science and Technology
Digital Nature Group (Yoichi Ochiai)
http://www.u.tsukuba.ac.jp/~s1411453/index.html
【Abstract】
We propose an immersive telepresence system for puppetry that transmits a human performer's body and facial movements into a puppet with audiovisual feedback to the performer. The cameras carried in place of puppet's eyes stream live video to the HMD worn by the performer, so that performers can see the images from the puppet's eyes with their own eyes and have a visual understanding of the puppet's ambience. In conventional methods to manipulate a puppet (a hand-puppet, a string-puppet, and a rod-puppet), there is a need to practice manipulating puppets, and there is difficulty carrying out interactions with the audience. Moreover, puppeteers must be positioned exactly where the puppet is. The proposed system addresses these issues by enabling a human performer to manipulate the puppet remotely using his or her body and facial movements. We conducted several user studies with both beginners and professional puppeteers. The results show that, unlike the conventional method, the proposed system facilitates the manipulation of puppets especially for beginners. Moreover, this system allows performers to enjoy puppetry and fascinate audiences.
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This slide was presented at SIGGRAPH 2017 Student Research Competition (SRC) finalist presentation.
http://s2017.siggraph.org/acm-student-research-competition
ReverseCAVE: Providing Reverse Perspectives for Sharing VR Experience
https://doi.org/10.1145/3102163.3102208
【Project page】
http://digitalnature.slis.tsukuba.ac.jp/2017/05/reversecave/
【Project movie】
https://www.youtube.com/watch?v=GUVOxQkkZ_0
【Presenter】
Akira Ishii (石井晃), Masaya Tsuruta (鶴田真也)
University of Tsukuba
Graduate School of Systems and Information Engineering
Master's Program in Computer Science
Digital Nature Group (Yoichi Ochiai Lab.)
https://akira.io/
https://www.iplab.cs.tsukuba.ac.jp/~tsuruta/
【Abstract】
Virtual reality (VR) with HMD is closed experience among those who are experiencing the VR, and can only be individually experienced by the specific person. We call this “perspective gap.” These perspective gaps exist in many situations. To address these problems, we present “ReverseCAVE”, a system for sharing the experiences of people in VR with others (observer). As another application, it is possible to visually recognize the actual appearance of the person performing the act at the motion capture studio and the superimposed character at the same time. ReverseCAVE has four translucent screens surrounding the player. VR environment that the player is experiencing is projected onto the screens. By this, the observer can see both the physical player and the VR environment experienced by the player simultaneously. Also, in the motion capture system, when viewing the actor from the observer outside of ReverseCAVE, the character is superimposed to the actor. This makes it look as if the actor is the actual character from the observer. ReverseCAVE enhances the observers’ experience.
More from Digital Nature Group (7)
Unphotogenic Light - SIGGRAPH Asia 2017 (E-tech Talk by Ippei Suzuki)
Unphotogenic Light - SIGGRAPH Asia 2017 (E-tech Talk by Ippei Suzuki)
ReverseCAVE - SIGGRAPH 2017 Student Research Competition (SRC)
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GraphSummit Singapore | Neo4j Product Vision & Roadmap - Q2 2024
Maruthi Prithivirajan, Head of ASEAN & IN Solution Architecture, Neo4j
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Mind map of terminologies used in context of Generative AI
Mind map of common terms used in context of Generative AI.
Removing Uninteresting Bytes in Software Fuzzing
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
Communications Mining Series - Zero to Hero - Session 1
This session provides introduction to UiPath Communication Mining, importance and platform overview. You will acquire a good understand of the phases in Communication Mining as we go over the platform with you. Topics covered:
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“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...
“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...Edge AI and Vision Alliance
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/building-and-scaling-ai-applications-with-the-nx-ai-manager-a-presentation-from-network-optix/
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20240605 QFM017 Machine Intelligence Reading List May 2024
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My slides at Nordic Testing Days 6.6.2024
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Goodbye Windows 11: Make Way for Nitrux Linux 3.5.0!
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
Microsoft - Power Platform_G.Aspiotis.pdf
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Welcome to UiPath Test Automation using UiPath Test Suite series part 6. In this session, we will cover Test Automation with generative AI and Open AI.
UiPath Test Automation with generative AI and Open AI webinar offers an in-depth exploration of leveraging cutting-edge technologies for test automation within the UiPath platform. Attendees will delve into the integration of generative AI, a test automation solution, with Open AI advanced natural language processing capabilities.
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3. Practical demonstrations
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Pushing the limits of ePRTC: 100ns holdover for 100 days
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HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
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- Wie funktionieren CCB- und CCX-Lizenzen wirklich?
- Verstehen des DLAU-Tools und wie man es am besten nutzt
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GraphSummit Singapore | The Art of the Possible with Graph - Q2 2024
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Artificial Intelligence for XMLDevelopment
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
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Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
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The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
Programming Foundation Models with DSPy - Meetup Slides
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Essentials of Automations: The Art of Triggers and Actions in FME
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UiPath Test Automation using UiPath Test Suite series, part 6
UiPath Test Automation using UiPath Test Suite series, part 6
Pushing the limits of ePRTC: 100ns holdover for 100 days
Pushing the limits of ePRTC: 100ns holdover for 100 days
HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
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GraphSummit Singapore | The Art of the Possible with Graph - Q2 2024
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Leaked Light Field-AugmentedHuman2017
- 17. t dp Back lighit Pin hole Eye position d D Observer
- 41. Laptop PC Target object Mirror pinhole display Depth camera Measurement (a) (b) (c) (d)