WO2019043783A1 - Système de communication bidirectionnelle - Google Patents

Système de communication bidirectionnelle Download PDF

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Publication number
WO2019043783A1
WO2019043783A1 PCT/JP2017/030917 JP2017030917W WO2019043783A1 WO 2019043783 A1 WO2019043783 A1 WO 2019043783A1 JP 2017030917 W JP2017030917 W JP 2017030917W WO 2019043783 A1 WO2019043783 A1 WO 2019043783A1
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WO
WIPO (PCT)
Prior art keywords
image
point
way communication
person
communication system
Prior art date
Application number
PCT/JP2017/030917
Other languages
English (en)
Japanese (ja)
Inventor
尚文 田中
康弘 大西
Original Assignee
株式会社アスカネット
株式会社メディアタージ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社アスカネット, 株式会社メディアタージ filed Critical 株式会社アスカネット
Priority to JP2017562362A priority Critical patent/JP6336223B1/ja
Priority to PCT/JP2017/030917 priority patent/WO2019043783A1/fr
Publication of WO2019043783A1 publication Critical patent/WO2019043783A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working

Definitions

  • the present invention relates to an interactive communication system capable of performing teleconferencing (video conference), video chat, and the like in real time via images (stereoscopic images) between a plurality of points.
  • a video conference system a video telephone system, etc. are known as a technique for people (communicators) who exist in a remote place to have a conversation through an image (video).
  • a video camera or the like takes an image including the face of each person interactively at each point, transmits it to a remote point, and displays it on a display device (display). It enables conversations between points.
  • Such a two-way communication system with a remote location is rapidly advancing along with the recent increase in communication line capacity represented by broadband and improvement in performance of control devices, and high-quality color images along with voice in real time. Two-way communication is possible, and in particular, use in the business field is becoming common.
  • Patent Document 1 a configuration in which an imaging device such as a video camera or a web camera is installed above the display device is adopted, and the communicator in conversation is upward I'm looking down from the image.
  • the correspondent talks while looking at the image of the other party of communication mainly displayed on the display device, not the imaging device. Therefore, the imaging direction by the imaging device and the direction (line of sight) of the line of sight of the communicator are different, and the image of the communication partner is displayed on the display device with the line of sight facing downward.
  • the correspondents can not line up their eyes with each other, which makes the conversation unnatural, makes it difficult to communicate, and lacks realism and tension.
  • Patent Document 2 in order to ensure that the eye heights of the communicators who talk with each other in motion are matched with each other, the height of the communicator eyes is extracted by the height detection unit while constantly extracting the video of the communicator.
  • the 3D video generation unit Each time the height of the communicator's eyes or the distance between the imaging device and the communicator changes, the 3D video generation unit must create a 3D video and switch the video on the display screen. It does not. Since these controls are complicated and time-consuming, it is difficult to match the movement of the actual correspondent with the image displayed on the display device, and the time difference may cause discomfort.
  • the present invention has been made in view of the above circumstances, and it is not necessary to perform complicated control or special image processing, etc., so that remote persons can face each other and be in line of sight. To provide a two-way communication system that can communicate smoothly.
  • the two-way communication system according to the present invention in accordance with the present invention is a two-way communication system in which persons at points A and B communicate with each other through images.
  • the two-way communication system comprises a two-way communication device arranged at each point A, B, In each of the two-way communication devices, a display means with a display surface facing upward, an optical imaging means arranged obliquely above the display means, and a half laminated on the upper surface of the optical imaging means It has a mirror, an image pickup means which is above the half mirror and picks up an image of the person through the half mirror, and a control means which controls the display means and the image pickup means.
  • the optical image forming means includes first and second light control units in which respective light reflecting surfaces are orthogonally disposed in plan view, and an image displayed on the display means is provided on the front side of the half mirror Form a three-dimensional image on an imaging surface in free space,
  • the control means images the person at the point A by the imaging means, transmits the person image of the point A taken to the control means at the point B connected via the communication network, and the imaging of the point B The person image of the point B captured by the means is received and displayed on the display means.
  • the display surface of the display means is arranged horizontally, Preferably, the optical imaging means is disposed at an inclination angle of 45 degrees above the display means.
  • each of the control means combines a person image of a point A or B with a common image displayed in common to each of the display means and displays it on each of the display means. Is preferred.
  • the human image combined with the common image is a horizontally inverted image.
  • each of the two-way communication devices includes detection means for detecting the action of the person at point A or B, and the control means is based on the action detected by the detection means.
  • the common image is manipulated and displayed on the display means.
  • the two-way communication system can form an image displayed on the display means as a three-dimensional image on an imaging surface in free space.
  • the person at each point talks in the sense that a person at another point is in front of the eye. Can.
  • the imaging means at each point can capture the person at the own point through the half mirror, the persons between the points can have a line of sight and talk in real time. Smooth communication can be achieved by gestures.
  • the imaging plane of the three-dimensional image formed by the optical imaging means is It becomes a vertical plane, a person can view the imaging surface from the front, and the visibility of the imaging surface is excellent.
  • the person can be imaged from the front, so the person who is looking at the imaging surface and the person image displayed on the imaging surface People can face each other, and they can keep their eyes on each other and talk without a sense of discomfort.
  • the two-way communication device at each point has a detecting means for detecting the action of the person at point A or B (own point), the common displayed on the display means according to the action (gesture) of the person at each point
  • the control means can easily perform various operations such as enlargement, reduction, movement and rotation of the image.
  • FIG. 1 in the two-way communication system 10 according to one embodiment of the present invention, the persons 11, 12 present at a plurality of points are connected via the image by the two-way communication device 13 arranged at each point. To have a conversation.
  • each bidirectional communication device 13 has a display means 15 horizontally disposed with the display surface 14 facing upward and an optical means disposed at an inclination angle of 45 degrees above the display means 15 Image forming means 16, a half mirror 17 laminated on the upper surface of the optical image forming means 16, and the display surface 14 opposed to the display surface 14 with the half mirror 17 (optical image forming means 16) interposed vertically above the display surface 14
  • the imaging unit 18, the display unit 15, and the control unit 20 that controls the imaging unit 18 are included.
  • a high brightness monitor is preferably used as the display unit 15, and a web camera or the like is preferably used as the imaging unit 18.
  • control means 20 a conventionally known arithmetic unit (that is, a computer) provided with a RAM, a CPU, a ROM, an I / O, and a bus connecting these elements is suitably used.
  • a speaker 21 and a microphone 22 are connected to the control means 20 so that conversation can be performed.
  • the optical image forming means 16 forms an image displayed on the display means 15 as a three-dimensional image on a (vertical) image forming surface (a solid air display) 23 in the free space on the front side of the half mirror 17. is there. The details of the optical imaging means 16 will be described later.
  • the form of the half mirror 17 is not particularly limited, but the one formed in a film shape (sheet shape) is suitably used because it is lightweight and can be easily attached to the surface of the optical image forming means 16. .
  • the left side is a point A
  • the right side is a point B.
  • the control unit 20 of the point A captures an image of the person 11 at the point A (own point) located in front of the half mirror 17 across the imaging surface 23 by the imaging unit 18 (a person image 26 of the point A) Are transmitted to the control means 20 of the point B (other points) connected via the communication network 24, and the image of the person 12 of the point B (other person image, point B) captured by the imaging means 18 of the point B Person image 25) can be received and displayed on the display means 15.
  • the control unit 20 of the point B captures an image of the person 12 at the point B (own point) located in front of the half mirror 17 across the imaging surface 23 by the imaging unit 18 and captures the image (person of the point B
  • the image 25) is transmitted to the control means 20 of the point A (other point) connected via the communication network 24, and an image of the person 11 at the point A (other point person image taken by the imaging means 18 of the point A)
  • the person image 26) of the point A can be received and displayed on the display means 15.
  • the image displayed on the display unit 15 is imaged as a three-dimensional image on the imaging surface 23 by the optical imaging unit 16, so as shown in FIG.
  • the person image 25 of the point B is displayed, and the person image 26 of the point A is displayed on the imaging surface 23 of the point B.
  • the display surface 14 of the display means 15 is arranged horizontally, and the optical imaging means 16 is arranged above the display means 15 at an inclination angle of 45 degrees, so that the image forming plane 23 becomes a vertical plane.
  • the imaging direction of the imaging means 18 disposed vertically above the display surface 14 is vertically downward, inclined 45 degrees with respect to the surface of the half mirror 17, and the imaging surface 23 (vertical surface) It is parallel.
  • the persons 11 and 12 facing the imaging surface 23 can be reflected by the half mirror and can be imaged from the front by the imaging unit 18, and the human images 25 and 26 displayed on the display unit 15 have less discomfort , It becomes easy to confirm the direction of the line of sight.
  • Each control means 20 can combine the person image 25 or 26 at another point with the common image 27 displayed in common to each display means 15 and display it on each display means 15.
  • the common image 27 is a document image such as a photograph or a document, and is displayed in the same position at the same position of the imaging surface 23 at each point as shown in FIG. 3 as necessary.
  • persons 11 and 12 at each point observe the actions of persons 12 and 11 at other points from the front. As if the persons 11 and 12 face each other across the common image 27, they can meet and gaze in the conversation. For example, as shown in FIG.
  • the person 11 at the point A can easily confirm on the imaging surface 23 where on the common image 27 the person 12 at the point B points. You can talk smoothly while taking eye contact. Furthermore, since the persons 11 and 12 can point the same position on the imaging surface 23 from both sides and can confirm the situation on the imaging surface 23 with each other, communication is performed while mixing gestures. Can be The common image 27 is displayed as a small window, and the number, size, and arrangement of the common image 27 can be selected as appropriate.
  • the person images 25 and 26 at other points do not necessarily have to be left and right inverted images, and whether or not to invert can be selected as appropriate.
  • each two-way communication device 13 has a detection means 28 for detecting the operation of the person 11 or 12 at each point (own point).
  • the detection means 28 detects the motion of the person 11 or 12 at each point, and based on the detected motion, the control means 20 can operate (process) the common image 27 and display it on the display means 15. For example, when the person 11 at the point A performs an operation to magnify the common image 27, the detection unit 28 at the point A detects the operation, and the control unit 20 at the point A enlarges the common image 27 (processing )I do.
  • the magnified common image 27 is displayed on the display means 15 of the point A and the point B, so that the persons 11 and 12 at each point can advance the conversation while looking at the same common image 27.
  • the detection unit 28 focusing on the imaging surface 23 and detecting the position and operation of the hand or finger of the person 11 or 12 on the imaging surface 23 is excellent in the detection performance of the operation.
  • the size, position, and the like of the common image 27 can be adjusted and displayed on the display unit 15, and the operability is excellent.
  • a detection means 28 an infrared motion sensor etc. are used suitably.
  • the processing in the control means 20 is realized by the CPU executing a predetermined program, but the operation of the hand or finger and the image operation command are associated in advance, and the common image 27 is enlarged or reduced. , Movement, rotation, etc. can be performed. Thereby, the conversation can be smoothly advanced using the common image 27.
  • the optical imaging means 16 includes a first light control unit 31 having a plurality of light reflection surfaces 30 and a second light having a plurality of light reflection surfaces 32.
  • the first and second light control units 31 and 33 are arranged (integrated) in the thickness direction such that the light reflecting surfaces 30 and 32 are orthogonal to each other in plan view. It is
  • the first light control unit 31 is formed on one side of the first transparent plate 34 between a plurality of grooves 37 having a triangular cross section having an inclined surface 35 and a vertical surface 36 and an adjacent groove 37.
  • a plurality of triangular ridges 38 are arranged at a predetermined pitch, and a light reflecting surface 30 formed of a mirror surface (metal reflecting surface) is formed only on the vertical surface 36 of each groove 37.
  • the bottom of the groove 37 (between the lower end of the inclined surface 35 and the lower end of the vertical surface 36) and the top of the ridge 38 (between the upper end of the inclined surface 35 and the upper end of the vertical surface 36) are minute Flat portions 39, 40 are formed.
  • the second light control unit 33 is formed on the other side of the second transparent plate 41 between the plurality of grooves 44 having the inclined surface 42 and the vertical surface 43 and the adjacent grooves 44.
  • a plurality of ridges 45 each having a triangular cross section are disposed at a predetermined pitch, and the light reflecting surface 32 formed of a mirror surface (a metal reflecting surface) is formed only on the vertical surface 43 of each groove 44.
  • the bottom of the groove 44 (between the lower end of the inclined surface 42 and the lower end of the vertical surface 43) and the top of the ridge 45 (between the upper end of the inclined surface 42 and the upper end of the vertical surface 43) are minute Flat portions 46 and 47 are formed. Then, the transparent resin 48 is filled in the grooves 37 and 44 disposed facing each other.
  • the refractive indexes ⁇ 1 and 412 of the first and second transparent plates 34 and 41 are the same, and the refractive index ⁇ 3 of the transparent resin 48 filled therebetween is the refraction of the first and second transparent plates 34 and 41.
  • the ratio ⁇ 1 or ⁇ 2 is preferably in the range of 0.8 to 1.2 times (more preferably 0.9 to 1.1 times, more preferably 0.95 to 1.05 times).
  • transparent resins to be used as the raw materials of the first and second transparent plates 34 and 41 include cycloolefin polymers, polymethylmetallate (acrylic resin), amorphous fluorine resin, PMMA, polycarbonate for optics, fluorene polyester, although thermoplastic resins such as polyether sulfone can be used, those having a high melting point and high transparency are preferably used.
  • a method of forming a mirror surface As a method of forming a mirror surface (metal reflection surface), sputtering, metal deposition, spraying of metal fine particles, irradiation of ion beam, coating of metal paste, etc. are performed directly on the vertical surfaces 36, 43 of the grooves 37, 44
  • a resin film on which a reflective film is formed by sputtering or metal deposition may be attached to the vertical surfaces 36, 43 of the grooves 37, 44.
  • the vertical surface 36 from diagonally above in vacuum or under low pressure. Irradiate the metal particles towards 43.
  • the minute flat portions 39 and 46 are respectively formed at the bottoms of the grooves 37 and 44, the lower end of the vertical surfaces 36 and 43 is reduced or reduced while the metal particles are not attached to the inclined surfaces 35 and 42.
  • the metal particles can be irradiated without spots.
  • the inclined surfaces 35 and 42 of the grooves 37 and 44 are not flat but formed in a polygonal shape having a polygonal cross section which is recessed inward of the ridges 38 and 45, a concave surface having a circular arc shape, or a large number of minute surfaces.
  • the adhesion of the metal particles may be prevented as the uneven surface having the unevenness (ridge).
  • a sheet-like transparent resin having a low viscosity may be sandwiched, heated and pressed in a vacuum state, and only the transparent resin may be dissolved and solidified, or a transparent adhesive made of transparent resin separately in each groove 37, 44
  • the grooves 37 and 44 of the first and second light control portions 31 and 33 may be filled, and the transparent adhesive may be cured by facing and abutting the grooves 37 and 44.
  • thermosetting adhesive or a two-component mixture adhesive can be used in addition to a photo-curing adhesive that is cured by irradiation with ultraviolet light or the like.
  • an optical adhesive made of a refractive index adjusting resin whose refractive index is adjusted is preferably used.
  • the inclined surface of each groove has a polygonal surface, a concave surface, an uneven surface, etc.
  • the adhesion between the inclined surface and the transparent resin filled in the groove is enhanced by the anchor effect, and the transparent resin fills the groove without gaps.
  • the unevenness can be eliminated by filling.
  • light can be allowed to pass without generating irregular reflection (scattering) at the interface between the inclined surface and the transparent resin, and refraction can also be minimized, and a bright and clear three-dimensional image can be obtained.
  • FIG. 1 when an image is displayed on the display means 15, the light is emitted toward the optical imaging means 16.
  • FIGS. 4A and 4B when the light L1 enters the second light control unit 33 of the optical imaging unit 16 at the position P1, the light L1 is on the light reflection surface 32. The light is reflected at the position of P2 and enters the first light control unit 31. Then, the light is reflected at the position P3 of the light reflecting surface 30, and then it exits from the first light control unit 31 into the air at the position P4 and forms an image.
  • light is incident from the second transparent plate 41 to the transparent resin 48 at Q1 in FIG.
  • the first and second transparent plate 34 Since the refractive indices ⁇ 1 and ⁇ 2 of 41 are the same and approximate to (approximately equal to) the refractive index ⁇ 3 of the transparent resin 48, phenomena such as total reflection and spectroscopy do not occur.
  • the second transparent plate 41 enters the transparent resin 48, and the transparent resin 48 enters the first transparent plate 34 in S2, the first and second transparent plates 34, Since the refractive indexes ⁇ 1 and ⁇ 2 of 41 are the same and approximate to (approximately equal to) the refractive index ⁇ 3 of the transparent resin 48, phenomena such as total reflection and spectroscopy do not occur.
  • the metal coating formed on the vertical surfaces 36 and 43 can function as a light reflecting surface either on the front or back (left and right in FIGS. 4A and 4B).
  • the Example of this invention was described, this invention is not limited to the structure as described in the above-mentioned Example at all, Other implementation considered within the range of the matter described in the claim Examples and modifications are also included.
  • the detection means in addition to one that detects the movement of a person's finger or hand, one that detects voice or sound can also be used.
  • the case of performing communication between two points has been described, but it is also possible to perform communication between three or more points.
  • the person image of point A is displayed on the display means of point B and point C when the person at point A is speaking Is preferred.
  • the person at the point A who is speaking or the point B listening to the speech, or the person at the point C may manually select the point A at which the person speaking is at, and switch the person image.
  • the voice of a person is detected by the detection means of point A
  • the person image of the person at point A is transmitted from the control means of point A to the control means of point B and point C, and displayed on the respective display means It is also possible to automate switching of images.
  • the person image of the point B or the point C to be displayed may be automatically switched periodically or irregularly by the control means, or the person of the point A manually points according to the contents of the statement etc. B or point C may be selected and switched.
  • the display surface of the display means is arranged horizontally, and the optical imaging means and the half mirror are arranged at an inclination angle of 45 degrees above the display means. Can be selected as appropriate.
  • the imaging direction of an imaging means inclines 45 degree
  • the optical image forming means one in which the front sides of the first and second light control portions (surfaces on which the grooves are formed) are disposed in contact with each other is used.
  • the light reflecting surfaces of the first and second light control units may be orthogonally disposed in plan view. Therefore, the front and back sides of the first and second light control units may be disposed in contact with each other, or the back sides of the first and second light control units may be disposed in contact with each other.
  • a gas such as air is sealed in the groove or the inside of the groove is evacuated. If the total reflection of light is used, the vertical surface of each groove can be used as the light reflection surface as it is.
  • the optical imaging means one in which the plurality of light reflecting surfaces of the first and second light control sections are arranged linearly (parallelly) has been described, but a plurality of light reflecting surfaces It is also possible to use one having a first light control unit in which the light emitting devices are arranged radially and a second light control unit in which a plurality of light reflecting surfaces are arranged concentrically.
  • the radial light reflection surface of the first light control unit is provided in a straight line centering on the reference point X, while the concentric light reflection surface of the second light control unit is viewed in plan. And although it curves along the concentric circle centering on the reference point Y which overlaps with the reference point X, both are orthogonally crossed in the point which light-reflecting surfaces intersect in planar view. Therefore, a three-dimensional image can be formed as in the above embodiment.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Un dispositif de communication bidirectionnelle 13 à chaque emplacement d'une pluralité d'emplacements dans un système de communication bidirectionnelle 10 comprend : un moyen d'affichage 15 ayant une surface d'affichage 14 tournée vers le haut; un moyen d'imagerie optique 16 disposé à un angle au-dessus du moyen d'affichage 15; un miroir semi-transparent 17 stratifié sur une surface supérieure du moyen d'imagerie optique 16; un moyen de capture d'image 18 situé au-dessus du mirooir semi-transparent 17 pour capturer une image d'une personne à travers le miroir semi-transparent 17; et un moyen de commande 20 pour commander le moyen d'affichage 15 et le moyen de capture d'image 18. Le dispositif de communication bidirectionnelle 13 reçoit, par l'intermédiaire d'un réseau de communication 24, une image d'une personne 25 capturée par le moyen de capture d'image 18 à un autre emplacement, provoque l'affichage de l'image de la personne 25 sur le moyen d'affichage 15 sous la forme d'une image tridimensionnelle au niveau du moyen d'imagerie optique 16, et affiche l'image sur un plan de formation d'image 23 devant le miroir semi-transparent 17.
PCT/JP2017/030917 2017-08-29 2017-08-29 Système de communication bidirectionnelle WO2019043783A1 (fr)

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JP2017562362A JP6336223B1 (ja) 2017-08-29 2017-08-29 双方向通信システム
PCT/JP2017/030917 WO2019043783A1 (fr) 2017-08-29 2017-08-29 Système de communication bidirectionnelle

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PCT/JP2017/030917 WO2019043783A1 (fr) 2017-08-29 2017-08-29 Système de communication bidirectionnelle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022210168A1 (fr) * 2021-03-31 2022-10-06 アイホン株式会社 Dispositif d'intercommunication et système de commande

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7101062B2 (ja) * 2018-07-02 2022-07-14 株式会社アスカネット 画像通信装置及び画像通信方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05161135A (ja) * 1991-12-09 1993-06-25 Nippon Telegr & Teleph Corp <Ntt> 表示・撮像装置
JP2005287004A (ja) * 2004-03-03 2005-10-13 Canon Inc 画像表示方法、プログラム、画像表示装置及び画像表示システム
WO2011108139A1 (fr) * 2010-03-03 2011-09-09 シャープ株式会社 Système de téléconférence

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05161135A (ja) * 1991-12-09 1993-06-25 Nippon Telegr & Teleph Corp <Ntt> 表示・撮像装置
JP2005287004A (ja) * 2004-03-03 2005-10-13 Canon Inc 画像表示方法、プログラム、画像表示装置及び画像表示システム
WO2011108139A1 (fr) * 2010-03-03 2011-09-09 シャープ株式会社 Système de téléconférence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022210168A1 (fr) * 2021-03-31 2022-10-06 アイホン株式会社 Dispositif d'intercommunication et système de commande

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