Basic Design of Video Communication System Enabling Users to Move Around in Shared Space
We propose a 2D display and camera arrangement for video communication systems that supports both spatial information between distant sites and user mobility. The implementation of this arrangement is called the “surrounding back screen method.” The method enables users to freely come from and go in...
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| Veröffentlicht in: | IEICE Transactions on Electronics 2009/11/01, Vol.E92.C(11), pp.1387-1395 |
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| container_title | IEICE Transactions on Electronics |
| container_volume | E92.C |
| creator | HIRATA, Keiji HARADA, Yasunori TAKADA, Toshihiro YAMASHITA, Naomi AOYAGI, Shigemi SHIRAI, Yoshinari KAJI, Katsuhiko YAMATO, Junji NAKAZAWA, Kenji |
| description | We propose a 2D display and camera arrangement for video communication systems that supports both spatial information between distant sites and user mobility. The implementation of this arrangement is called the “surrounding back screen method.” The method enables users to freely come from and go into other users' spaces and provides every user with the direct pointing capability, since there is no apparent spatial barrier separating users, unlike the case of conventional video communication systems. In this paper, we introduce two properties (“sharedness” and “exclusiveness”) and three parameters (a distance and two angles) to represent the geometrical relationship between two users. These properties and parameters are used to classify the shared spaces created by a video communication system and to investigate the surrounding back screen method. Furthermore, to demonstrate and explore our surrounding back screen method, we have developed a prototype system, called t-Room. Taking into account practical situations, we studied a practical case where two t-Rooms with different layouts are connected. |
| doi_str_mv | 10.1587/transele.E92.C.1387 |
| format | Article |
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The implementation of this arrangement is called the “surrounding back screen method.” The method enables users to freely come from and go into other users' spaces and provides every user with the direct pointing capability, since there is no apparent spatial barrier separating users, unlike the case of conventional video communication systems. In this paper, we introduce two properties (“sharedness” and “exclusiveness”) and three parameters (a distance and two angles) to represent the geometrical relationship between two users. These properties and parameters are used to classify the shared spaces created by a video communication system and to investigate the surrounding back screen method. Furthermore, to demonstrate and explore our surrounding back screen method, we have developed a prototype system, called t-Room. 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Electron.</addtitle><description>We propose a 2D display and camera arrangement for video communication systems that supports both spatial information between distant sites and user mobility. The implementation of this arrangement is called the “surrounding back screen method.” The method enables users to freely come from and go into other users' spaces and provides every user with the direct pointing capability, since there is no apparent spatial barrier separating users, unlike the case of conventional video communication systems. In this paper, we introduce two properties (“sharedness” and “exclusiveness”) and three parameters (a distance and two angles) to represent the geometrical relationship between two users. These properties and parameters are used to classify the shared spaces created by a video communication system and to investigate the surrounding back screen method. 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Audiovisual</subject><subject>Cameras</subject><subject>Classification</subject><subject>Design engineering</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>exclusiveness</subject><subject>face-to-face interaction</subject><subject>Screens</subject><subject>sharedness</subject><subject>spatial cue</subject><subject>surrounding back screen method</subject><subject>t-Room</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Two dimensional</subject><subject>Video communication</subject><subject>Videocommunications (networks and services)</subject><issn>0916-8524</issn><issn>1745-1353</issn><issn>1745-1353</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpF0D1PwzAQgGELgUQp_AIWL4gpxR9J7IwllA-pFUMpYrNc-1JcJXaJU6T-e4Jaim64Gx7d8CJ0TcmIZlLcda32EWoYTQo2KkeUS3GCBlSkWUJ5xk_RgBQ0T2TG0nN0EeOaECoZ5QP0ca-jM_gBolt5HCr87iwEXIam2XpndOeCx_Nd7KDBE6-XtfMrvIjQRtwFPAvfgMdt2HqLXe8-dQsWzzfawCU6q3Qd4eqwh2jxOHkrn5Pp69NLOZ4mayZFlzAiiqUUIi0YlYSA1dYyYolllGhbEUozksllP4JaEJwYXQjOM1lUlV1Swofodv9304avLcRONS4aqGvtIWyjkmmR5kzmaS9vDlJHo-uqb2ZcVJvWNbrdKcZyIliW9262d-vY6RUcgW47Z2pQf7FVH1uVitL_4zf80Zm-hgLPfwCTRn7P</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>HIRATA, Keiji</creator><creator>HARADA, Yasunori</creator><creator>TAKADA, Toshihiro</creator><creator>YAMASHITA, Naomi</creator><creator>AOYAGI, Shigemi</creator><creator>SHIRAI, Yoshinari</creator><creator>KAJI, Katsuhiko</creator><creator>YAMATO, Junji</creator><creator>NAKAZAWA, Kenji</creator><general>The Institute of Electronics, Information and Communication Engineers</general><general>Oxford University Press</general><scope>IQODW</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20091101</creationdate><title>Basic Design of Video Communication System Enabling Users to Move Around in Shared Space</title><author>HIRATA, Keiji ; HARADA, Yasunori ; TAKADA, Toshihiro ; YAMASHITA, Naomi ; AOYAGI, Shigemi ; SHIRAI, Yoshinari ; KAJI, Katsuhiko ; YAMATO, Junji ; NAKAZAWA, Kenji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j287t-2079b8774921800edadd20d0d210adf0115058b8b871de730ca9733589ffdb103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Angles (geometry)</topic><topic>Applied sciences</topic><topic>Broadcasting. 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Audiovisual</topic><topic>Cameras</topic><topic>Classification</topic><topic>Design engineering</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>exclusiveness</topic><topic>face-to-face interaction</topic><topic>Screens</topic><topic>sharedness</topic><topic>spatial cue</topic><topic>surrounding back screen method</topic><topic>t-Room</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Two dimensional</topic><topic>Video communication</topic><topic>Videocommunications (networks and services)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HIRATA, Keiji</creatorcontrib><creatorcontrib>HARADA, Yasunori</creatorcontrib><creatorcontrib>TAKADA, Toshihiro</creatorcontrib><creatorcontrib>YAMASHITA, Naomi</creatorcontrib><creatorcontrib>AOYAGI, Shigemi</creatorcontrib><creatorcontrib>SHIRAI, Yoshinari</creatorcontrib><creatorcontrib>KAJI, Katsuhiko</creatorcontrib><creatorcontrib>YAMATO, Junji</creatorcontrib><creatorcontrib>NAKAZAWA, Kenji</creatorcontrib><collection>Pascal-Francis</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEICE Transactions on Electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HIRATA, Keiji</au><au>HARADA, Yasunori</au><au>TAKADA, Toshihiro</au><au>YAMASHITA, Naomi</au><au>AOYAGI, Shigemi</au><au>SHIRAI, Yoshinari</au><au>KAJI, Katsuhiko</au><au>YAMATO, Junji</au><au>NAKAZAWA, Kenji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Basic Design of Video Communication System Enabling Users to Move Around in Shared Space</atitle><jtitle>IEICE Transactions on Electronics</jtitle><addtitle>IEICE Trans. Electron.</addtitle><date>2009-11-01</date><risdate>2009</risdate><volume>E92.C</volume><issue>11</issue><spage>1387</spage><epage>1395</epage><pages>1387-1395</pages><issn>0916-8524</issn><issn>1745-1353</issn><eissn>1745-1353</eissn><abstract>We propose a 2D display and camera arrangement for video communication systems that supports both spatial information between distant sites and user mobility. The implementation of this arrangement is called the “surrounding back screen method.” The method enables users to freely come from and go into other users' spaces and provides every user with the direct pointing capability, since there is no apparent spatial barrier separating users, unlike the case of conventional video communication systems. In this paper, we introduce two properties (“sharedness” and “exclusiveness”) and three parameters (a distance and two angles) to represent the geometrical relationship between two users. These properties and parameters are used to classify the shared spaces created by a video communication system and to investigate the surrounding back screen method. Furthermore, to demonstrate and explore our surrounding back screen method, we have developed a prototype system, called t-Room. Taking into account practical situations, we studied a practical case where two t-Rooms with different layouts are connected.</abstract><cop>Oxford</cop><pub>The Institute of Electronics, Information and Communication Engineers</pub><doi>10.1587/transele.E92.C.1387</doi><tpages>9</tpages></addata></record> |
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| subjects | Angles (geometry) Applied sciences Broadcasting. Videocommunications. Audiovisual Cameras Classification Design engineering Electronics Exact sciences and technology exclusiveness face-to-face interaction Screens sharedness spatial cue surrounding back screen method t-Room Telecommunications Telecommunications and information theory Two dimensional Video communication Videocommunications (networks and services) |
| title | Basic Design of Video Communication System Enabling Users to Move Around in Shared Space |
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