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Shigeru CHIBA
Session ID: 03-04-01
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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This paper described on the development result of digital image contents evaluation system related to "Health Hazard by Disital Image Contents" that is carried out by JEITA for seven years.
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[in Japanese]
Session ID: 03-04-02
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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Activities to Create and Expand 3D Markets
Minoru Taniguchi
Session ID: 03-04-03
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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2D to 3D is a natural and inevitable migration of image display. Sharp is to pursue creation and expansion of 3D market by introducing family of products of the kind.
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Jun ISHIKAWA
Session ID: 03-04-04
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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Shiro Suyama, Hideaki Takada
Session ID: 03-04-05
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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We have developed a compact 3-D display using the DFD (Depth-fused 3-D) visual illusion in which two overlapped images with many edges displayed at different depths can be perceived as a single 3-D image. To make the display compact, we utilize the apparent luminance summation of polarization rotation-angle changes at two transparent LCDs instead of direct luminance summation. As a result, color moving 3-D images can be successfully displayed on a compact 3-D display.
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Yoshiharu Momonoi, Tatsuo Shiina, Kenichi Koseki, Toshio Honda
Session ID: 03-04-06
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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A object behind a screen is clearly observed by using a transparent hologram screen. Because a hologram screen is a diffractive optical element, the screen doesn't affect transmission light. And a hologram screen acts as a directional screen. Auto-stereoscopic display is realized when two stereoscopic images are projected on the directional screen. But a diffraction angle of hologram varies with wavelength of light. When an observer moves a viewing point vertically, 3D images change hue by the difference of diffraction angle with color. We represent a solution of the change.
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Ayako Hirano, Tatsuo Shiina, Toshio Honda
Session ID: 03-04-07
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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Home theater market will expand according to rapid progress of video DVD and the start of digital TV broadcasting. The vivid and vital image can be observed at home. Recently, many companies have developed 3D displays for the next-generation display. Therefore, the increase of 3D contents for 3D display is indispensable. The 3D displays require at least two different scenes, that is, for right and left eyes of the views. 3D contents are shot with stereo video camera or are drawn by a Computer Graphics creator. The 3D conversion of already existing 2D video or cine contents is executed manually by operators. This operation is very laborious. This paper describes a system by which 3D contents can be generated from 2D contents semi-automatically.
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Lee Young Hwa, Kazuhiko Koyama, Kim Tae Jin, Jung Gu Yang, [in Japanes ...
Session ID: 03-04-08
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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Haruo Noma
Session ID: 03-04-09
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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We have developed two dimensional haptic display using two linear induction motors for a digital desk. The haptic display can generate translational force for a metal plate in any direction on the desk. We intend to equip the force display into a typical digital desk. The system allows a user to interact with both virtual and real objects on a desk with a feeling of realistic sensation. In the paper, we introduce the first trial system and proposed some applications.
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Ken-ichi Okada, Shutaro Aiba
Session ID: 03-04-10
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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In daily life, we get surrounding information through the five sense. Among those senses, the sense of smell provide specific information not provided by eyesight or hearing. So, if we can transmit the sense of smell and broadcast smell information to users in a remote place, we can feel things more realistically than the expression with only eyesight and hearing. In this paper, We propose the broadcasting system with much presence which provide influential scent with human being's mental as a factor of broadcast. And we discuss the effectiveness of the combination of smells and broadcast with this system.
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Kimio Hamasaki, Koichiro Hiyama, Masaru Kanazawa, Kouji Mitani, Masayu ...
Session ID: 03-04-11
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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While advanced media for broadcasting, which can provide viewers with a great sensation of reality, have been studied; an ultrahigh definition video system with 4000 scanning lines and the three-dimensional audio system were developed. Three-dimensional audio system adopts 22.2 multichannel audio which consists of 24 loudspeakers, and this system excels in the localization of sound sources around the listeners and in the listener's envelopment. Due to the adaptation to extra wide screen and the possibility of sound localization above the listeners, this three-dimensional audio system can be widely applied to the research on the audio systems with an exceptional high sensation of reality.
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Takao Sato
Session ID: 03-04-12
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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In this review, the involvement of active human perception mechanisms are examined in relation to perceived reality by depth perception as an example. Each of the cue systems for depth perception has its own. The limitation is especially strong among the graphical cues. Even binocular disparity cue system is not free from the limitation. The depth system overcomes such limitations by incorporating constraints reflecting the structures of physical, and by embodying interactions among cue systems and from top-down information.
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Masayuki Nakajima
Session ID: 03-04-13
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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I introduce now and future trend of immersive system named multi-screen like CAVE system. Especially Blue-c system made by ETH as the current system is shown. Next the activity in CAVE/IPT consortium is introduced. Finally I consider the future society made by these super immersive display system.
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Kazuya Sawada
Session ID: 03-04-14
Published: November 12, 2003
Released on J-STAGE: December 26, 2003
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CyberDome is an immersive projection based visual display with arbitrary size of hemi-spherical screen. With the developed distortion correction software the system is capable of displaying life-size, stereoscopic, distortion-free images on the screen with a wide field of view. Dome software is designed such that it could take positions of projectors, eye point of user and diameter of hemi-spherical screen as parameters. An expanded model of the system, "Shiodome CyberDome" has been developed in Tokyo Shiodome Matsushita Head Quarters. Components of the system include hemi-spherical screen of 8.5 meter diamater, 18 liquid crystal projectors, 18 rendering PCs, one master PC and several DB/Device servers. In addition to the distortion correction module, techniques for achieving smooth blending near the boundary areas of multi projectors and the synchronization of multi PC images are also being developed. This interactive system is one of the largest Virtual Reality Systems in the world.
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