ICAT-EGVE2014 - Posters and Demos

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https://diglib.eg.org/handle/10.2312/7752

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The Giant Experience: Visual Transfer Design to Virtually Extend the User's Body
(The Eurographics Association, 2014) Furukawa, Masahiro; Ando, Hideyuki; Maeda, Taro; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
Large-scale tasks in the field, such as site investigation or civil engineering projects, require workers to have a certain level of situational awareness. However, the coverage area is too broad to investigate at once in real time because the scale of the human body is small in comparison with the size of the domain being studied. We propose the concept of experience from the perspective of a giant to virtually extend operator body size. In this study, we focus on design requirements for binocular vision, which requires a much wider pupillary distance in proportion to a much higher point of view altitude; this allows users to perceive their own bodies as being virtually enlarged.
Effects of Interior Bezels of Tiled Large High-Resolution Displays on Saliency Prediction and Human Eye Movement Behavior
(The Eurographics Association, 2014) Mohammed, Redwan Abdo A.; Staadt, Oliver; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
We present the results of two studies to quantify the effects of bezels LHRDs on human eye movements and on saliency algorithm predictions. Subjects observe natural images on two different display systems, with and without interior bezels. Our results indicate that: (i) the effect of interior bezels on the subjects' gaze decreases after a short period of time. While eye movement patterns of images presented on LHRDs vary, eye movement patterns of images presented on a single-screen display without interior bezels focus on the most salient locations in the images. (ii) The interior bezels of tiled displays affect the results of saliency prediction algorithms.
Ground Navigation in 3D Scenes using Simple Body Motions
(The Eurographics Association, 2014) Punpongsanon, Parinya; Guy, Emilie; Boubekeur, Tamy; Iwai, Daisuke; Sato, Kosuke; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
With the growing interest in virtual reality, mid-air ground navigation is becoming a fundamental interaction for a large collection of application scenarios. While classical input devices (e.g., mouse/keyboard, gamepad, touchscreen) have their own ground navigation standards, mid-air techniques still lack natural mechanisms for travelling in the scene. In particular, for most applications, the user should navigate in the scene while still being able to interact with its content using her hands, and observe the displayed content moving her eyes and locally rotating her head. Since most ground navigation scenarios require only two degrees of freedom to move forward/backward and rotate the view to the left or right, we propose a mid-air ground navigation control model which lets the user's hands, eyes or local head orientation completely free, making use of the remaining tracked body elements to tailor the navigation.We also study its desired porperties, such as being easy to discover, control, socially acceptable, accurate and not tiring.
Linkage of Virtual Object and Physical Object for Teaching to Caregiver-Robot
(The Eurographics Association, 2014) Abiko, Yuuki; Nakasato, Shoko; Hidaka, Yuuta; Iwaki, Satoshi; Taniguchi, Kazuhiro; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
To support a bedridden person, we propose a novel teaching method for a caregiving robot to manipulate a physical object in a real world. User's instruction can be intuitively transmitted to the robot by the ''drag-and-drop'' operation between a virtual object in a PC display and the physical object. The validity of the proposed method is experimentally confirmed using a fetching task as an example.
Demonstration of the 7-Handle Technique
(The Eurographics Association, 2014) Nguyen, Thi-Thuong Huyen; Duval, Thierry; Pontonnier, Charles; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
In this demonstration, we present how the 7-Handle manipulation technique makes it possible to manipulate 3D objects in virtual environments. This technique includes a set of seven points which are flexibly attached to an object. There are three different control modes for these points including configuration, manipulation and locking / unlocking modes.
Virtual Reality for Simulating Autonomous Deep-Space Navigation and Mining
(The Eurographics Association, 2014) Bueskens, C.; Clemens, J.; Eissfeller, B.; Foerstner, R.; Gadzicki, K.; Peytavi, G. Gonzalez; Lange, P.; Nakath, D.; Probst, A.; Rachuy, C.; Schill, K.; Schattel, A.; Schwarting, V.; Srinivas, A.; Woebbekind, M.; Zachmann, G.; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
In accordance with the space exploration goals declared by the National Aeronautics and Space Administration (NASA) in 2010 and 2013, the investigation of the deeper solar system becomes a central objective for upcoming space missions. Within this scheme, technologies and capabilities are developed that enable manned missions beyond low-Earth orbit - to lunar orbit, lunar surface, or even Mars and beyond. Particularly interesting targets are asteroids. They can serve as test beds for hardware and technology demonstration, which is needed prior to those aspired long-term missions. Asteroids can frequently be reached with smaller energy demands than those required for a mission to Moon or Mars. Furthermore, they are assumed to contain significant amounts of water and valuable metallic volatiles, which could serve as in-situ supplies for life support systems or spacecraft maintenance. Despite these technical facts, asteroids are also very interesting targets from a scientific point of view: They are remainders of the early formation phase of the solar system and are hold responsible for bringing life to Earth [DFJ90]. As the trend in future space exploration tends to focus on objects in deep space, the importance of autonomy increases on-board of spacecraft.With augmenting signal travel time due to great distances to Earth, it is difficult or even impossible to be able to react from ground on unexpected events for which time is a crucial factor. Up to this date, spacecraft in orbit follow specific timeline procedures during time-critical mission phases or pre-designed protocols in case unknown failures occur. The most common reaction on faults is the safe mode, during which the spacecraft shuts down every on-board module except the vital systems and awaits further (recovery) instructions from Earth ground stations. Hence, the demand for closed loop decision-making processes that are independent of the tele-commanding from ground. This includes not only the handling of errors but also navigation, guidance, and attitude/orbit control tasks. Therefore, the focus of this project is to make the spacecraft independent from the ground station as much as possible. This shall be achieved by autonomous navigation and autonomous decision making, so that it can determine optimal trajectories during flight and potential target asteroids autonomously for mining. The autonomy of the spacecraft is based on cognitive and biology-inspired algorithms. Assessment of these algorithms is necessary before they are applied in real scenarios. Therefore, algorithms have to be tested in a virtual environment with different virtual scenarios. This virtual environment should simulate motion of planets and asteroids, gravity, solar pressure, sensors of spacecraft, features of the asteroid, collision detection between asteroid and spacecraft for landing, etc. in real-time. In order to interact with this virtual environment, different 3D interaction metaphors have to be defined so that the user can change physical parameters, visualize different data, create different mission scenarios, change the spacecraft parameters, and even create new asteroid clusters and shapes (generated via 3D procedural modelling), which is necessary as the spacecraft might encounter new unknown asteroids.
Adding Interlacing to In-Situ Data Compression for Multi-Resolution Visualization of Large-Scale Scientific Simulations
(The Eurographics Association, 2014) Lehmann, Henry; Lenk, Matthias; Jung, Bernhard; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
Large-scale simulations in HPC environments produce massive data sets in the order of several terabytes which pose challenges both to data storage and data analysis. A promising approach for reducing the amount of data written out during simulation runs is in-situ compression. However, even compressed data sets are typically still much too large for interactive visual data exploration. We propose an interlacing scheme applicable to in-situ compression in order to write out results of HPC simulations in a compressed multi-resolution format. This data format allows progressive loading of large scientific data sets in high-end immersive displays. Low-resolution views are easily extracted for visualizations on low-end displays such as hand-held devices and web browsers.
Remote Control System for Home Appliances using Spherical Image
(The Eurographics Association, 2014) Tani, Naoto; Kodera, Tatsuya; Sugimoto, Maki; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
Spherical images contain full 360 visual information of recorded locations. By sharing such an image, it is possible to reproduce immersive sense of a remote location. This paper proposes a remote home appliances control interface that uses spherical images on a mobile console. It allows users to control remote devices intuitively.
The Effect of Visually-Induced Pseudo-Haptic on Softness
(The Eurographics Association, 2014) Yabe, Shin-ichirou; Kimura, Takashi; Kishino, Hiroaki; Nojima, Takuya; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
The visually-induced pseudo-haptic is a type of haptic illusion induced by a visual stimulus. This phenomenon is con-sidered to be helpful in formation of a haptic (force) display without using actuators. It is believed that this will con-tribute to the future popularization of such displays. However, most methods used to induce this phenomenon use a desktop size monitor and a mouse, which is a relatively large setup. In contrast, our previous work in the effects of pseudo-haptic on softness showed that a sensor-integrated smartphone is capable of inducing this phenomenon with-out using a mouse. In this paper, we will describe the smartphone-based system in detail, along with the results of ex-periments that we conducted to evaluate the effects of this phenomenon.
Smart Fan: Self-contained Mobile Robot that Performs Human Detection and Tracking using Thermal Camera
(The Eurographics Association, 2014) Shimamura, S.; Matsumoto, K.; Maeda, N.; Kodera, T.; Nakagawa, W.; Shinozuka, Y.; Sugimoto, M.; Saito, H.; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
The intelligence within these systems has been developed so that the products are autonomous. Among them, we especially focused on the air conditioning control with smart products. This paper proposes a smart fan robot that detects and tracks a person by using a thermal camera and RGB-D camera.
Study on Visual Display for Stereoscopic Vision Based on Binocular Parallax Using Retro-reflective Projection Technology
(The Eurographics Association, 2014) Yamamoto, Ryo; Uema, Yuji; Sugimoto, Maki; Inami, Masahiko; Yuki Hashimoto and Torsten Kuhlen and Ferran Argelaguet and Takayuki Hoshi and Marc Erich Latoschik
This paper discuss an image presenting method that projects information on an inner wall of a car in order to raise safety by using RPT(Retro-reflective Projection Technology). In previous research, we can see through the rear seat which is covered with retro-reflective material as a screen and recognize directly backward of a car. In this paper, we propose a projection optical system for binocular vision by using the stepwise lens array and field lens. We conducted an experiment to verify the visibility of the proposed system.

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