JP2006164179A - Information presentation device and information presentation method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce inconsistency of nonverbal modality object domains which may occur when a content and a direction of the text information to be presented are personalized in a direction dependent display table. <P>SOLUTION: The information presentation device comprises a display device 9 capable of presenting different images to a plurality of users present in different directions around a horizontal type screen, a content conversion part 2 that converts the content of the text information for each user based on the standard text information, and a presentation part 6 that generates a video signal from the text information converted for each user and provides it to the display device 9. The content conversion part 2 selects a conversion candidate whose content similarity to the text information of the conversion source is greater than a predetermined threshold, and also whose text length is the closest to the standard text information, out of the conversion candidates corresponding to the text information of the conversion source. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an information presentation apparatus and an information presentation method that simultaneously present different videos to a plurality of users using a display device having a horizontal screen that can be shared by the plurality of users.

  Face-to-face collaborative work, which allows immediate discussion and can share gestures and facial expressions, is an effective means of communication to facilitate discussion. Several systems that support face-to-face collaborative work by presenting information on a display on a table have been proposed. Compared with a vertical system such as a whiteboard, a table-type collaborative work support system can easily share non-language modalities such as gaze, gestures and facial expressions between users surrounding the table. However, when viewing the information presented on the table, when viewed from the user on the opposite side across the table, the information appears to be reversed. is there.

  In order to solve such a problem, there has been proposed a system that can present different images to each user even though the same screen on the table is shared (for example, Non-Patent Document 1, Non-patent document 2, Non-patent document 3, Non-patent document 4, Non-patent document 5). In the direction-dependent display table (Lumisight Table) described in Non-Patent Documents 1 to 5, different videos can be presented according to the direction of the user with respect to the table. As a result, information on the table can be personalized and presented in an easy-to-view position and orientation for each user. As shown in FIG. 8A, when the characters on the screen 101 are rotated and presented to the four users A, B, C, and D surrounding the table 100 in an easy-to-read direction for each user. Images actually viewed by the users A, B, C, and D are shown in FIGS. 8B, 8C, 8D, and 8E, respectively.

Yasuaki Tsuji, Makoto Iida, Ken Naemura, Hiroshi Harashima, "Proposal of Interactive Multi-person Direction-Dependent Display Table Lumisight Table", FIT2003 Information Technology Forum Information Technology Letters, VoL.2, LK-012, p.293-294 , 2003 Yasuaki Tsuji, Makoto Iida, Ken Naemura, “Interactive Multi-Direction Direction-Dependent Display Lumisight Table Optical Design”, The 8th Annual Conference of the Virtual Reality Society of Japan, p.111-114, 2003 Yasuaki Tsuji, Makoto Iida, Ken Naemura, Yoshinari Shirai, Mitsunori Matsushita, Satoshi Oguro, “Lumisight Table: Face-to-face Collaborative Support System that Resolves the Topic Problem”, Interactive System and Software Study Group (WISS2003), p.109-114,2003 Yasuaki Kakehi, Makoto Iida, TakeshNaemura, Yoshinari Shirai, Mitsunori Matsushita, and Takeshi Ohguro, “Lumisight Table: Interactive View-Dependent Display-Table Surrounded by Multple Users”, ACM SIGGRAPH 2004 Emerging Technologies, Los Angeles, 2004 Yoshifumi Kitamura, Takashige Konishi, Sumihiko Yamamoto and Fumio Kishino, “Interactive Stereoscopic Display for Three or More Users”, in Proceedings of the ACM Conference on Computer Graphics (SIGGRAPH2001), p.231-239, 2001

  However, the conventional direction-dependent display table personalizes the position and orientation of the information presented on the screen, and thus has a problem in that sharing of non-language modalities important in face-to-face cooperative work is hindered. That is, when the first user points information on the screen, when the second user looks at the fingertip from a different direction, the information intended by the first user is not displayed or a different place There is a possibility that it is displayed. Hereinafter, such a problem caused by personalization of information is referred to as a non-language modality target area mismatch problem.

  In addition, in the direction dependent display table, not only the position and orientation of the information to be presented can be personalized, but also the content can be personalized and presented. For example, when the user surrounding the table is a user in a different language area, the information on the table can be translated and presented in the native language of each user. However, if the content of the information is personalized, the amount of information to be presented (in the case of text, the length of the text, etc.) differs, so the size and shape of the area in which the information is displayed differ depending on the video viewed by each user. Therefore, even if information is presented so that the position and direction of the information to be presented can be shared among users, a non-language modality target area mismatch problem occurs.

  When information is translated according to the language area of each user surrounding the table and the translated information is presented to each user, the number of characters differs depending on the language, so the area of the text display area is different. Specifically, for example, when the word “Kyoto Prefecture” is translated into English, “Kyoto Prefecture” is obtained. If the word “Kyoto Prefecture” for user A and the word “Kyoto preference” for user B are to be presented using the same character font, the position and direction of the word are presented so that they can be shared between users. However, there is a difference in the text display area as shown in FIG. In FIG. 9A, the hatched area TA is an area where the word “Kyoto Prefecture” is displayed, and the area TB surrounded by a broken line is an area where the word “Kyoto Prefeature” is displayed. 9B and 9C show images viewed by the users A and B, respectively. Therefore, when the English-speaking user B is pointing to the text on the screen 101, the Japanese-speaking user A may not appear to be pointing to the same text depending on the pointed position. This may hinder smooth discussions.

  Furthermore, when the direction of information is personalized and presented for each user, it can be seen that there is a great difference between the text display areas TA and TB as shown in FIG. FIGS. 10B and 10C show images viewed by users A and B, respectively. When the information to be presented is the same, the non-language modality target area mismatch that occurs when the direction of the information to be presented is personalized has not been a major problem. However, when information content is personalized, the amount of information changes, so when performing and presenting information content personalization and information orientation at the same time, non-verbal modality target areas do not match. This is a problem that cannot be ignored.

  The present invention has been made to solve the above-described problem, and in a direction-dependent display table, it is possible to reduce inconsistencies in non-language modality target areas that occur when the content and orientation of text information to be presented are personalized. An object is to provide an information presentation device and an information presentation method.

The information presentation apparatus of the present invention includes a horizontal screen that can be shared by a plurality of users, and a display device that can simultaneously present different images to a plurality of users existing in different directions around the screen; A content conversion unit that converts the content of text information to be presented to each user for each user based on text information serving as a reference, and generates a video signal from each of the converted text information for each user to the display device. And a content conversion unit, wherein the content conversion unit has a content conversion threshold value equal to or higher than a preset content conversion threshold value among the conversion candidates corresponding to the conversion source text information. And selecting text information whose text length is closest to the reference text information It is intended to be converted.
Further, in one configuration example of the information presentation device of the present invention, the font and font size of the text information for each user converted by the content conversion unit is further converted between the content conversion unit and the presentation unit. , Having a presentation font / font size conversion unit that outputs text information for each user after conversion to the presentation unit, the presentation font / font size conversion unit, from among conversion candidates corresponding to the conversion source font, The font and font size of the text information are converted by selecting a font whose design similarity with the conversion source font is equal to or greater than a preset font conversion threshold and closest to a predetermined reference font size. To do.
Further, in one configuration example of the information presentation device of the present invention, the text information for each user converted by the content conversion unit is further enlarged and reduced between the content conversion unit and the presentation unit, A character enlargement / reduction unit that outputs text information for each user to the presenting unit, and the character enlargement / reduction unit is within a predetermined enlargement / reduction threshold value and is a predetermined reference text display area The text information is enlarged / reduced so as to be closest to.
Further, in one configuration example of the information presentation device of the present invention, a specification for scrolling text information for each user converted by the content conversion unit is further set between the content conversion unit and the presentation unit, It has a character scroll part which outputs the text information for every user after specification setting to the said presentation part, This character scroll part is within the range of the preset scroll threshold value, and is a predetermined reference | standard text display area The scroll specification is set so as to be the closest to.

The present invention also provides information that simultaneously displays different images to a plurality of users existing in different directions around the screen using a display device having a horizontal screen that can be shared by a plurality of users. In the presenting method, a content conversion procedure for converting the content of text information presented to each user for each user based on the text information serving as a reference, and generating a video signal from each of the converted text information for each user, The content conversion procedure is a content in which the similarity of the content with the text information of the conversion source is set in advance from among the conversion candidates corresponding to the text information of the conversion source. Select the text that is equal to or greater than the conversion threshold and has the closest text length to the reference text information By a, it is obtained so as to convert the text information.
In addition, in one configuration example of the information presentation method of the present invention, a font and a font size of text information for each user converted by the content conversion procedure are further converted between the content conversion procedure and the presentation procedure. , Including a presentation font / font size conversion procedure for outputting converted text information for each user to the presentation procedure. The presentation font / font size conversion procedure includes the conversion candidate corresponding to the conversion source font, The font and font size of the text information are converted by selecting a font whose design similarity with the conversion source font is equal to or higher than a preset font conversion threshold and closest to a predetermined reference font size. It is what I did.
Further, according to one configuration example of the information presentation method of the present invention, the text information for each user converted by the content conversion procedure is further enlarged / reduced between the content conversion procedure and the presentation procedure. A character enlargement / reduction procedure for outputting the text information for each user to the presentation procedure, and the character enlargement / reduction procedure is performed within a predetermined enlargement / reduction threshold range and within a predetermined reference text display area. The text information is scaled so as to be closest.
In addition, one configuration example of the information presentation method of the present invention further sets a specification of text information scrolling for each user converted by the content conversion procedure between the content conversion procedure and the presentation procedure, A character scroll procedure for outputting text information for each user after specification setting to the presenting procedure is provided, and the character scroll procedure is performed within a predetermined scroll threshold range and within a predetermined standard text display area. The scroll specification is set so as to be closest.

  According to the present invention, when converting the contents of text information, non-language modality target area mismatch is reduced by performing conversion considering the text length so that the text length is as close as possible to the reference text information. In addition, by performing conversion based on a preset content conversion threshold, it is possible to perform conversion in consideration of a trade-off between resolution of text display area mismatch and reduction in translation accuracy due to conversion.

  In addition, according to the present invention, the non-language modality target area is reduced by converting the font and font size of the text information so that the converted font size is closest to a predetermined reference font size. Furthermore, by converting the font and font size based on a preset font conversion threshold, the conversion is performed in consideration of the trade-off between the resolution of the text display area mismatch and the collapse of the design due to the conversion. be able to.

  Also, according to the present invention, the non-language modality target area mismatch is achieved by scaling the text information so that the scaled text display area is closest to the size of the predetermined reference text display area. In addition, by performing enlargement / reduction based on a preset enlargement / reduction threshold, enlargement / reduction considering the trade-off between resolution of text display area mismatch and deterioration of visibility due to enlargement / reduction It can be carried out.

  In addition, according to the present invention, the non-language modality target area is reduced by determining the scroll specification so that the scrolling text display area is closest to the size of the predetermined reference text display area. In addition, by determining the scroll specification based on a preset scroll threshold, it is possible to perform scrolling considering trade-off between resolution of text display area mismatch and deterioration of visibility due to scrolling. it can.

  The present invention is directed to a square four-person table. In the present invention, a combination of four types of processing, (1) content conversion, (2) conversion of presentation font and font size, (3) character enlargement / reduction, and (4) character scrolling, is combined with a non-language modality. Try to solve the domain mismatch problem. A specific processing example is shown below.

[Convert Content]
In the content conversion process, text is processed so that the difference in the number of characters between personalized information is reduced by using a synonym dictionary or abbreviation dictionary. For example, in the example of translation described above, the difference in the number of characters from “Kyoto” is reduced by changing the English word “Kyoto prefure” to an abbreviation such as “Kyoto pref.”.

[Conversion of presentation font and font size]
In the conversion process of the presentation font and the font size, the size and size of the text display area are controlled by adjusting the font type and size, and the non-matching part of the non-language modality target area is reduced.

[Character scaling]
In the character enlargement / reduction process, the character is converted into a bitmap and the character is enlarged / reduced to control the size of the text display area and reduce the non-matching portion of the non-language modality target area.

[Scrolling characters]
In the character scrolling process, text is displayed in a time-division manner as a method of presenting text that would make the text display area large in a small area. For example, by scrolling and presenting characters from left to right, many characters can be presented in a small text display area. As a result, the size of the text display area can be set regardless of the number of characters, and the non-language modality target area mismatch problem can be solved.

  By combining the above four types of processing, it is possible to almost eliminate the mismatched portion of the text display area. In particular, the text display area can be completely matched by using character enlargement / reduction processing or character scroll processing. However, these four types of processing have two problems: (1) change in meaning and (2) decrease in visibility. That is, when the content conversion process is performed, the meaning of the information may change, and the original meaning may not be transmitted. In addition, when presentation font and font size conversion, character enlargement / reduction, and character scrolling are performed, the presentation expression is disrupted and the text visibility is degraded. Furthermore, not only the visibility of the text is lowered, but also a difference in visibility is generated among users, which increases the possibility of hindering the discussion.

  The non-language modality target area mismatch problem and the above two problems are in a trade-off relationship, and if one of them is solved, the other problem becomes obvious. Therefore, which problem should be resolved more heavily is a problem that should be left to the software designer or user.

  Therefore, in the present invention, the control mechanism of the presentation method is designed so that the above problem does not occur as much as possible while appropriately adjusting the text display area. In the present invention, a user or a designer sets in advance a threshold value indicating how much the presentation content / expression of information may be changed, and changes information and information expression within a range that falls within the threshold value. Thereby, the user or the designer can adjust the trade-off between the two problems caused by solving the non-language modality target area mismatch problem only by setting the threshold value.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a flowchart showing the flow of processing of the information presentation method in the embodiment of the present invention. The presented information is processed in the order of content conversion processing (step S1), presentation font and font size conversion processing (step S2), character enlargement / reduction processing (step S3), and character scroll processing (step S4). Is presented to the user.

  The application designer can set a threshold value indicating how much the presentation content / expression can be changed for each of the four types of processing. The information presentation device processes information according to the flow of FIG. 1 within a range that falls within the threshold. If there is no mismatched part of the text display area during the process, the process is terminated and information is presented to the user. Hereinafter, each processing will be described in the first to fourth embodiments.

[First Embodiment]
This embodiment relates to the content conversion processing in step S1 of FIG. As an effective method of using the information presentation device (direction-dependent display table), a usage example in which text information is converted and presented according to the language area of each user can be considered. Automatic translation of languages is possible by using a translation engine, but at that time, the text length of the information changes for each language due to the translation, and there is a possibility that the non-language modality target area mismatch problem as described above There is.

  Therefore, when performing automatic translation, language conversion is performed in consideration of the text length so that the text length of each language is as close as possible. For example, when the word “discovery” is translated into English, if the translation engine uses three types of words “discovery”, “detection”, and “find” as candidates, “find” is selected in consideration of the text length. This reduces the discrepancy between the Japanese and English text display areas than when other candidates are selected. Furthermore, more conversion candidates can be obtained by using a synonym dictionary (thesaurus) or an abbreviation dictionary.

  However, if conversion is performed in consideration of the text length, there is an adverse effect that the translation accuracy decreases. For example, when translating the word “discovery of America”, using “discovery” as the word “discovery” is more suitable than “find” in terms of translation accuracy. Therefore, when designing an application for the information presentation apparatus, a mechanism is provided so that the application conversion designer can specify whether to give priority to translation accuracy or to resolve the disagreement of the text display area with the content conversion threshold.

  The content conversion unit that performs content conversion processing in the information presentation apparatus has a content conversion dictionary as shown in FIG. In the content conversion dictionary, the text information of the conversion source, the text information of the conversion candidate, the text length of the conversion candidate, and the similarity (translation accuracy) when the conversion source word is converted into the conversion candidate are associated with each other. Registered in advance. In the example of FIG. 2, the text length represents the length of the half-width character string, and the similarity is assumed to be higher in accuracy as the numerical value is larger.

  The content conversion unit refers to the content conversion dictionary and designs the similarity from conversion candidates corresponding to the conversion source text information (text information as a reference or text information previously translated from the reference text information). A text conversion threshold that is equal to or greater than a content conversion threshold set in advance by the user and whose text length is closest to the reference text is selected, and the selected conversion candidate is used as converted text information.

  For example, when the reference text is a two-byte full-length (four-byte single-byte) text “discovery” and the content conversion threshold set by the designer is 80, the content conversion unit refers to the content conversion dictionary and is similar A conversion candidate “find” having a degree of 80 or more and the closest text length to 4 single-byte characters is selected. As the similarity of the content conversion dictionary, for example, the similarity used by an existing thesaurus or translation software may be used.

  As described above, according to the present embodiment, when converting the content of text information, the conversion is performed in consideration of the text length so that the text length of each text information is as close as possible. By performing conversion based on a preset content conversion threshold, it is possible to reduce the inconsistency of the area, and to perform conversion considering the trade-off between the resolution of the text display area inconsistency and the reduction in translation accuracy due to the conversion. It can be carried out.

  In the present embodiment, a word has been described as an example, but the text displayed in the text display area may be a sentence instead of a word. Many automatic content conversion systems, not limited to translation systems, often hold translation accuracy and conversion reliability as numerical values. By using these numerical values, the present embodiment can be applied not only to words but also to sentences and the like.

[Second Embodiment]
This embodiment relates to the conversion processing of the presentation font and font size in step S2 of FIG. By adjusting the font and font size when presenting the text information, the size of the text display area can be controlled, and the mismatch of the text display areas between the users can be reduced as much as possible. If the text can be broken, the size of the text display area can be controlled by breaking the text.

  However, even in the conversion process of the presentation font and the font size, the designer needs to consider the trade-off between the resolution of the mismatch of the text display area and the collapse of the design due to the conversion. In view of this, a mechanism is provided that allows the designer to specify whether to give priority to design similarity or resolution of text display area mismatch with regard to font and font size conversion, using a font conversion threshold.

  First, the presentation font / font size conversion unit for converting the presentation font and font size in the information presentation apparatus converts the information indicating the difference between the font similarity and the font similarity after conversion between the fonts and the font size. Assume that it is kept in the dictionary. An example of a font conversion dictionary is shown in FIG. In the font conversion dictionary, the conversion source font and font size, the conversion candidate font and font size, the similarity between the conversion source and conversion candidate designs, and the converted font size height and width are associated with each other. Registered in advance.

  In the example of FIG. 3, it is assumed that the similarity is higher as the numerical value is larger, and the height of the font size after conversion is expressed as a ratio to the height of a predetermined reference font size. The width of the font size after conversion is also expressed as a ratio with respect to the width of a predetermined reference font size.

  The presentation font / font size conversion unit refers to the font conversion dictionary, and the design similarity is equal to or higher than a font conversion threshold preset by the designer from conversion candidates corresponding to the conversion source font, and The font size that is closest to the vertical and horizontal sizes is selected, and the selected conversion candidate is set as the converted font and font size. For example, when the font conversion threshold (similarity) set by the designer is 95, the presentation font / font size conversion unit selects a conversion candidate having a similarity of 95 or more from the font conversion dictionary, and the conversion source Select the conversion candidate whose vertical and horizontal sizes are closest to the font.

  As described above, in the present embodiment, by converting the font and font size of text information so that the converted font size is closest to a predetermined reference font size, the non-language modality target area is converted. Inconsistency can be reduced, and by converting font and font size based on a preset font conversion threshold, the trade-off between resolution of text display area mismatch and design corruption due to conversion is considered. Conversion can be performed.

[Third Embodiment]
The present embodiment relates to the character enlargement / reduction processing in step S3 of FIG. By converting the character into a bitmap and scaling the bitmap, the size of the text display area can be controlled. In the change of the font size in the second embodiment, the size cannot be changed if there is no font data corresponding to the size to be changed. In the present embodiment in which characters are converted into bitmaps, the characters are changed. Since it is handled as an image, it can be changed to any size in principle.

  However, enlargement / reduction without maintaining the aspect ratio of the text display area has a significant effect on character visibility. is there. Therefore, also in the present embodiment, a mechanism is provided so that the designer can specify whether to give priority to size similarity or to resolve the disagreement of text display areas with an enlargement / reduction threshold.

  As the size similarity, for example, the area ratio between the text display area before enlargement / reduction and the text display area after enlargement / reduction can be considered. The character enlargement / reduction unit that performs the character enlargement / reduction processing in the information presenting apparatus, for example, when the enlargement / reduction threshold of ± 25% is set as the area ratio, a predetermined criterion between 75% and 125% in the area ratio is set. The text information may be enlarged or reduced so that the area is closest to the text display area.

  As described above, in this embodiment, the text information is scaled so that the scaled text display area is closest to the size of the predetermined reference text display area. It is possible to reduce the discrepancy of the area, and further, by performing enlargement / reduction based on a preset enlargement / reduction threshold, considering the trade-off between resolution of text display area inconsistency and deterioration of visibility due to enlargement / reduction Enlargement and reduction can be performed.

[Fourth Embodiment]
The present embodiment relates to the character scroll processing in step S4 of FIG. By scrolling the characters, information including a large number of characters in a small text display area can be presented. However, since the reading speed of the user is defined by the scroll speed, attention must be paid to deterioration in visibility when information with an extremely large number of characters is presented in a small text display area. Therefore, also in this embodiment, a mechanism is provided that allows the designer to specify whether to give priority to size similarity or to resolve the disagreement of text display areas using the scroll threshold.

  As the degree of similarity, the area ratio between the text display area before conversion and the text display area after conversion can be considered as in the third embodiment. A character scrolling unit that performs a character scrolling process in the information presenting device scrolls so that the area is closest to the reference text display region within a preset scroll threshold when the designer allows the character to be scrolled. Determine the specifications.

  As described above, in the present embodiment, the scroll specification is determined so that the text display area to be scrolled is closest to the size of the predetermined reference text display area, so that the non-language modality target area is determined. Disagreement can be reduced, and by determining the scroll specifications based on a preset scroll threshold, scrolling that takes into account the trade-off between resolution of text display area inconsistency and deterioration in visibility due to scrolling can be performed. It can be carried out.

[Fifth Embodiment]
The configuration of the information presentation apparatus in the embodiment of the present invention is shown in FIG. The information presentation device includes a presentation information selection unit 1, a content conversion unit 2, a presentation font / font size conversion unit 3, a character enlargement / reduction unit 4, a character scroll unit 5, a presentation unit 6, and a content conversion dictionary 7. And a font conversion dictionary 8 and a display device 9.

  The presentation information selection unit 1 selects text information to be presented on the display device 9 and sends it to the content conversion unit 2. At this time, the presentation information selection unit 1 generates four types of text information corresponding to the four users A, B, C, and D based on reference text information (for example, “Kyoto Prefecture” in Japanese). And output. These pieces of text information are translated in advance according to the language of each user by a translation engine (not shown). In addition, the text information serving as the reference is included in the text information. Further, control information for designating text information presentation specifications is added to each text information.

  The content conversion unit 2 converts the four types of text information sent from the presentation information selection unit 1 using the content conversion dictionary 7 as described in the first embodiment, and provides the presentation font and font size. The data is sent to the conversion unit 3.

  The presentation font / font size conversion unit 3 uses the font conversion dictionary 8 for the fonts and font sizes of the four types of text information sent from the content conversion unit 2 as described in the second embodiment. The four types of text information converted and converted into font and font size are sent to the character enlargement / reduction unit 4. Note that the font and font size are converted by rewriting control information accompanying each text information.

  The character enlargement / reduction unit 4 enlarges / reduces the four types of text information sent from the presentation font / font size conversion unit 3 by the method described in the third embodiment, and sends it to the character scroll unit 5. The enlargement / reduction of the text information is performed by rewriting control information accompanying each text information.

  The character scroll unit 5 determines the scroll specifications of the four types of text information sent from the character enlargement / reduction unit 4 by the method described in the fourth embodiment, and sets the four types of scroll specifications. The text information is sent to the presentation unit 6. The scroll specification is set by rewriting control information accompanying each text information.

The presentation unit 6 generates four types of video signals so that the four types of text information sent from the character scroll unit 5 are presented with specifications specified by the corresponding control information, and these video signals are generated. Is output to the display device 9.
FIG. 5 is a diagram showing an example of the configuration of the display device 9. As will be described later, when there are four users A, B, C, and D, four projectors 92 are required, but in FIG. 5, the projector 92-A for user A and the projector 92- for user C are shown. Only C is described.

  As described in Non-Patent Document 1 to Non-Patent Document 4, the display device 9 uses a visual field control (Lumisty) film as a video presentation screen. Lumisty is a material that diffuses only the light incident from a specific angle range and has high transparency for other angles, and projects the image from the projector in the direction that diffuses the light. It can be used as a screen with the characteristic that an image can be viewed only from the direction directly opposite to.

  In the display device 9, multiple Lumisty films are stacked on a transparent table, thereby realizing video multiplexing for multi-person observation. Here, assuming four users surrounding a square table, two Lumisty films are laminated and pasted on the transparent top plate 91 of the display device 9 so that the visibility control directions are orthogonal. Further, four projectors 92 are arranged below the display device 9 in accordance with the characteristics of the Lumisty film, and an image is projected toward the top plate 91.

  As described above, the presentation unit 6 outputs four types of video signals corresponding to the users A, B, C, and D, and these video signals are respectively output to the projectors 92 corresponding to the users A, B, C, and D. Given. This makes it possible to implement a directional display that can present different images depending on the viewing direction and to multiplex images while sharing the same plane of the table.

  In the present embodiment, the content conversion unit 2, the presentation font / font size conversion unit 3, the character enlargement / reduction unit 4, and the character scroll unit 5 are incorporated in the information presentation device in order to solve the non-language modality target area mismatch problem. However, an actual system need not have all four modules. The designer need only incorporate modules that are deemed necessary into the information presentation device.

  Next, the structure of text information handled by the information presentation apparatus according to the present embodiment and control information associated therewith will be described. The text information and control information are represented by a structure as shown in FIG. 6, for example. “Contents” in FIG. 6 represents text information to be displayed. “X” represents the x coordinate of the text display area, and “y” represents the y coordinate. “Font” represents a font of text information, and “size” represents a font size. “Width” represents the ratio of the horizontal size of the text display area after enlargement / reduction to the horizontal size of a predetermined reference text display area, and “height” is the vertical size of the reference text display area. Represents the ratio of the vertical size of the text display area after scaling. “Scroll” represents whether or not to scroll, “scroll_width” represents the horizontal size of the scrolling area, “scroll_height” represents the vertical size of the scrolling area, and “scroll_speed” represents the scrolling speed. To express. In the example of FIG. 6, the reference text information is “Kyoto Prefecture” in Japanese.

  When information having the structure as shown in FIG. 6 is selected by the information selection unit 1, for example, the content conversion unit 2 converts the text information from “Kyoto Prefecture” to “Kyoto pref.”, And the presentation font / font size conversion unit If the font is converted from MS Gothic to MS Mincho in 3 and the horizontal size of the text display area is reduced to 95% in the character enlargement / reduction unit 4, the text information and control information in FIG. Will be rewritten as: The presentation unit 6 generates a video signal so that the text information sent from the character scroll unit 5 is presented in the expression specified by the control information, and the video signal is sent to the projector 92 corresponding to the display device 9. Output.

As described above, in the present embodiment, it is possible to reduce the mismatch of the non-language modality target areas.
Of the information presentation devices in the first to fifth embodiments, the configuration excluding the display device 9 controls, for example, a computer having a CPU, a storage device, and an interface, and hardware resources thereof. It can be realized by a program. In such a computer, a program for realizing the information presentation method of the present invention is provided in a state of being recorded on a recording medium such as a flexible disk, a CD-ROM, a DVD-ROM, or a memory card. The CPU writes the read program into the storage device, and executes the processes described in the first to fifth embodiments according to the program.

  The present invention can be applied to, for example, a table-type cooperative work support system.

It is a flowchart which shows the flow of a process of the information presentation method in embodiment of this invention. It is a figure which shows the structure of the content conversion dictionary used by the content conversion process. It is a figure which shows the structure of the font conversion dictionary used by the conversion process of a presentation font and a font size. It is a block diagram which shows the structure of the information presentation apparatus in embodiment of this invention. It is a figure which shows the structure of the display device of the information presentation apparatus of FIG. It is a figure which shows the structure of the text information and control information before being converted with the information presentation apparatus of FIG. It is a figure which shows the structure of the text information and control information after being converted with the information presentation apparatus of FIG. It is a figure which shows the mode of the video presentation in the conventional direction dependence display table, and how the video is seen from each user. It is a figure for demonstrating the difference of the text display area which arises by personalization of the content in the conventional direction dependence display table. It is a figure for demonstrating the difference of the text display area which arises by personalization of the content and direction in the conventional direction dependence display table.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Presentation information selection part, 2 ... Content conversion part, 3 ... Presentation font and font size conversion part, 4 ... Character expansion / contraction part, 5 ... Character scroll part, 6 ... Presentation part, 7 ... Content conversion dictionary, 8 ... Font Conversion dictionary, 9 ... display device.

Claims (8)

A display device having a horizontal screen that can be shared by a plurality of users and capable of simultaneously displaying different images to a plurality of users existing in different directions around the screen;
A content conversion unit that converts the content of the text information presented to each user for each user based on the text information serving as a reference;
A presentation unit that generates a video signal from the converted text information for each user and supplies the video signal to the display device;
The content conversion unit is a conversion candidate corresponding to the text information of the conversion source, the similarity of the content with the text information of the conversion source is equal to or greater than a preset content conversion threshold, and the text information as the reference An information presentation apparatus for converting text information by selecting a text having the closest text length. The information presentation device according to claim 1,
Furthermore, the font and font size of the text information for each user converted by the content conversion unit are converted between the content conversion unit and the presentation unit, and the converted text information for each user is sent to the presentation unit. It has a presentation font / font size converter to output,
This presentation font / font size conversion unit has a design similarity with the conversion source font that is equal to or higher than a predetermined font conversion threshold value and is determined in advance from conversion candidates corresponding to the conversion source font. An information presentation apparatus for converting a font and a font size of text information by selecting a font closest to a reference font size. The information presentation device according to claim 1,
Further, between the content conversion unit and the presentation unit, the text information for each user converted by the content conversion unit is enlarged / reduced, and the text information for each user after the enlargement / reduction is output to the presentation unit Has an enlargement / reduction section,
The character enlargement / reduction unit enlarges / reduces text information so as to be closest to a predetermined reference text display area within a preset enlargement / reduction threshold range. . The information presentation device according to claim 1,
Further, a scroll specification of text information for each user converted by the content conversion unit is set between the content conversion unit and the presentation unit, and the text information for each user after specification setting is set in the presentation unit. It has a character scroll part to output,
This character scroll unit sets the scroll specification so as to be closest to a predetermined reference text display area within a preset scroll threshold range. In an information presentation method for simultaneously presenting different images to a plurality of users existing in different directions around the screen using a display device having a horizontal screen that can be shared by a plurality of users,
A content conversion procedure for converting the content of text information presented to each user for each user based on the text information as a reference;
A presentation procedure for generating a video signal from the converted text information for each user and supplying the video signal to the display device,
In the content conversion procedure, the text information that is the reference from the conversion candidates corresponding to the text information of the conversion source and whose similarity to the content of the text information of the conversion source is equal to or greater than a preset content conversion threshold value. An information presentation method characterized by converting text information by selecting a text having the closest text length. The information presentation method according to claim 5,
Further, between the content conversion procedure and the presentation procedure, the font and font size of the text information for each user converted by the content conversion procedure are converted, and the converted text information for each user is converted into the presentation procedure. It has a presentation font / font size conversion procedure to output,
In the present font / font size conversion procedure, the design similarity with the conversion source font is equal to or higher than a preset font conversion threshold value and is determined in advance from conversion candidates corresponding to the conversion source font. A method for presenting information, comprising: converting a font and a font size of text information by selecting a font closest to a reference font size. The information presentation method according to claim 5,
Further, between the content conversion procedure and the presentation procedure, the text information for each user converted by the content conversion procedure is enlarged / reduced, and the text information for each user after the enlargement / reduction is output to the presentation procedure It has a scaling procedure,
This character enlargement / reduction procedure enlarges / reduces text information so as to be closest to a predetermined reference text display area within a preset enlargement / reduction threshold range. . The information presentation method according to claim 5,
Further, a scroll specification of text information for each user converted by the content conversion procedure is set between the content conversion procedure and the presentation procedure, and the text information for each user after specification setting is set in the presentation procedure. It has a text scroll procedure to output,
In this character scrolling procedure, a scroll specification is set so as to be closest to a predetermined reference text display area within a preset scroll threshold range.

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