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WO2011003437A1 - Système de visualisation pour l'orientation d'une unité de sortie vers un utilisateur, et procédé correspondant - Google Patents

Système de visualisation pour l'orientation d'une unité de sortie vers un utilisateur, et procédé correspondant Download PDF

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Publication number
WO2011003437A1
WO2011003437A1 PCT/EP2009/058505 EP2009058505W WO2011003437A1 WO 2011003437 A1 WO2011003437 A1 WO 2011003437A1 EP 2009058505 W EP2009058505 W EP 2009058505W WO 2011003437 A1 WO2011003437 A1 WO 2011003437A1
Authority
WO
WIPO (PCT)
Prior art keywords
user
visualization
output unit
visualization system
vertical
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2009/058505
Other languages
German (de)
English (en)
Inventor
Dieter Walter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to PCT/EP2009/058505 priority Critical patent/WO2011003437A1/fr
Publication of WO2011003437A1 publication Critical patent/WO2011003437A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements

Definitions

  • Visualization system for correct alignment of an output unit to a user and methods for this
  • the invention relates to a visualization system which comprises a movably mounted output unit with a visualization page for outputting visual signals, a camera and a processing unit, and a method for aligning a movably mounted output unit.
  • Output units such as monitors, panels, machine operators, etc.
  • Output units are usually mounted today with a fixed orientation of a visualization side of the output unit. If the output unit is provided with a flexible suspension, manual alignment by the user often results in misalignment of the visualization page. However, misalignment of the visualization page ultimately leads to ergonomically inadequate results.
  • a visualization system comprising:
  • a movably mounted output unit with a visualization page for outputting visual signals
  • a camera which is designed to capture a field of view of a user
  • a processing unit which is designed to detect a viewing direction of the user on the basis of the visual field
  • - output means adapted to output a deviation message if the line of vision is above a true degree deviates from a vertical of the visualization page.
  • the advantage achieved with the invention is that the camera can capture the field of view of the user. Based on the field of view, the processing unit can determine the viewing direction of the user. By comparing the viewing direction with the vertical of the visualization side of the output unit can be determined whether the viewing direction of the user coincides with the desired orientation of the visualization page.
  • the vertical is in this case in particular perpendicular to the visualization page.
  • the deviation message is output by the output device.
  • the orientation of the output unit and in particular of the visualization side relative to the viewing direction of the user. If the viewing direction does not match the desired orientation of the visualization page, a deviation message will be displayed. With help As a result of this deviation message, an incorrect arrangement of the visualization page is detected and can ultimately be remedied so that an optimal alignment of the visualization page with respect to the user is present.
  • a faulty arrangement of the visualization side of the output unit with respect to the user is recognized so that the visualization page can be optimally aligned with regard to its desired alignment with respect to the user.
  • the visualization system is configured to determine a user distance of the output means to the user, wherein the output means are adapted to output the deviation message when the determined user distance exceeds a user distance further deviates from a desired distance beyond a predetermined distance.
  • the processing unit uses data from the camera. This can for example be based on a comparison of a user position with a current position of the output means, in particular the visualization page.
  • the user distance can be determined by means of a sensor associated with the visualization system, such as a proximity sensor.
  • the sensor may for example be attached to the output means, in particular the visualization page. In this way, a comparison of the user distance with the desired distance can be made.
  • the optimum desired distance between the user and the visualization page is preferably determined automatically as a function of a screen diagonal of the visualization page. Likewise, it is conceivable that the desired distance can be entered by the user.
  • the vertical lies in the center of the visualization page
  • the viewing direction and / or a user position of the user is characterized by a line of sight vector and the deviation is made by a comparison of the line of sight vector with the vertical.
  • Gaze vector gives the focus or targeted
  • the line of sight vector information about the line of sight of the user and on the user position, so that a comparison of the line of sight vector can be done with the vertical. In this way, it can be checked whether the visualization page is properly aligned and positioned with respect to the user.
  • the visualization system is designed to indicate to the user on the basis of the deviation message on the output unit, a position of the output unit in which the viewing direction does not deviate beyond the predetermined extent of the vertical of the visualization page.
  • the visualization system determines the user distance, it is advantageous if the visualization system is designed to indicate the position of the output unit (2) to the user (6) on the basis of the deviation message via the output unit (2) in which the determined user distance does not exceed the further predetermined amount out of the
  • the output unit is a monitor, for example, an optical signal, such as an arrow, for example, may be used Users are given the direction in which he must position the visualization page of the movably mounted output unit, so that there is an optimal orientation.
  • the optimal alignment is thus controlled by the visualization system and can inform the user in case of deviation.
  • a big advantage here is that the visualization system can perform a constant comparison with regard to the optimal arrangement. If, for example, the working position of the user changes, the visualization system recognizes that the visualization page is not arranged optimally with regard to the viewing direction of the user.
  • the output unit can now inform the user about this error, so that, for example, the user can use the position data of the output unit to properly position the visualization page.
  • the visualization system is adapted to automatically move the output unit to a position in which the viewing direction does not deviate beyond the predetermined extent from the vertical of the visualization page on the basis of the deviation message.
  • the visualization system determines the user distance, it is advantageous if the visualization system is designed to automatically use the deviation message to move the output unit into the position in which the determined user distance does not deviate from the desired distance beyond the further predetermined extent.
  • the visualization system automatically assumes the correct position of the visualization page of the output unit in the event of a deviation message.
  • the user can be guaranteed a permanently correct arrangement of the visualization page.
  • only a part of the output unit which has the visualization page can be moved or the entire output unit itself. The great advantage is that without user intervention an optimal alignment of the visualization page with the user can always be guaranteed.
  • the output unit can optimally position itself with regard to the line of sight of the user, it is advantageous if the output unit or the part of the output unit which has the visualization side is movably mounted with respect to the three degrees of freedom of the translation and the rotation.
  • Such mobility can be realized for example via an articulated robot arm.
  • the camera is pivotally mounted. This has the advantage that a larger work area in which the user resides can be controlled.
  • the coordinate system of the camera, as well as the coordinate system of the visualization page must be known. As a result, the correct orientation of the visualization page relative to the viewing direction of the user can be determined.
  • a stop signal and a start signal can be entered by the user for the visualization system, wherein the visualization system is designed to fix a current position of the output unit when the stop signal is present and to release the fixation when the start signal is present.
  • the orientation of the output unit and in particular the visualization page can be controlled.
  • the visualization page can be fixed by a stop signal.
  • the visualization system is designed to recognize the presence signal and the start signals on the basis of a facial expression and / or a sound of the user.
  • This provides the advantage that the user does not have to leave his current position and still be able to control the visualization system.
  • the user merely has to communicate the indication signal and / or the start signal to the visualization system via a facial expression or a sound.
  • facial expressions for example, by closing only the right eye, the user can transmit an indication signal to the visualization system and thus fix the visualization page and release the fixation by closing only the left eye. It is advantageous if the user can learn the respective facial expressions or the respective sound of the visualization system.
  • the output unit comprises the processing unit, the output means and the camera.
  • the output unit is for example a monitor, a panel or a machine operating station.
  • FIG. 1 shows a visualization system which detects a viewing direction of a user
  • 2 shows the visualization system from FIG. 1 after orientation of the visualization side with respect to the viewing direction of the user
  • FIG. 3 shows a visual field of a user.
  • the visualization system 1 shows a visualization system 1 which detects a viewing direction of a user 6.
  • the viewing direction of the user 6 is characterized by a line of sight vector 10. With the aid of the line of sight vector 10, the currently focused field of vision of the user 6 can be defined.
  • the visualization system 1 includes a camera 4, an output unit 2, a processing unit 7, and an output means 8.
  • the processing unit 7 and the output means 8 are integrated in the output unit 2 and realized by a CPU.
  • the camera 4 is connected via a line to the output unit 2. A wireless communication between the camera and the output unit would also be conceivable.
  • the output unit 2 also has a part of the output unit 2, which contains the visualization page 3.
  • This part of the output unit 2 is movably mounted by means of a movable arm 12 so that the visualization side is movably mounted with respect to the three degrees of freedom of translation and rotation.
  • the movable arm 12 has electric motors so that it can position the visualization side 3 in a desired position. Based on a deviation message of the output means 8, the movable arm 12 positions the visualization page 3 in the desired position.
  • the visualization page 3 has a vertical 9. This vertical 9 is arranged in the center of the visualization page 3 and is perpendicular to the plane of the visualization page. In this way, with the aid of the vertical 9, the central area of the visualization page 3, which is ultimately to be in the focus of an observer, can be characterized. For a rectangular screen, for example, this would be the intersection of the screen diagonals of the respective corners. It is quite conceivable that the vertical 9 is not perpendicular to the visualization tion side, but is directed at a defined angle to the levels of the visualization page 3.
  • the line of sight vector 10 is determined with the aid of the processing unit 7.
  • the processing unit 7 can now check whether the line of sight vector 10 deviates from the vertical 9 of the visualization page 3. Since it is desired that the user 6 has the visualization page 3 in its focus, an optimal alignment of the visualization page 3 with respect to the field of vision of the user 6 is then present when the line of sight vector 10 of the vertical
  • FIG. 2 shows the visualization system from FIG. 1 after alignment of the visualization side 3 with respect to the viewing direction of the user 6.
  • the original position of the output unit from FIG. 1 is shown by dashed lines.
  • the movably mounted output unit with the visualization side 3 has been positioned by the movable arm 12 such that the vertical lines 9 with the sight line vector 10 lie on a common straight line 11.
  • the desired optimal alignment is thus present.
  • the user can set a tolerance range for the deviation of the viewing direction vector 10 with respect to the vertical 9. If the viewing direction deviates beyond a predetermined extent or beyond the tolerance range, then a deviation message occurs. With the aid of this deviation message, the output unit can control the movable arm 12 such that the desired coincidence of the vertical 9 with the line of sight vector 10 is present again.
  • the visualization page 3 is a screen which is movably mounted via a robot arm 12.
  • Such a visualization system is of great benefit to a user 6, who relies on information from the visualization page 3, since the visualization page 3 is constantly in his field of vision. If the user 6 does not have the option of readjusting the visualization page 3, this is automatically carried out via the said visualization system so that the screen 3 is constantly in the focus of the user 6. This can for example be of great advantage to a surgeon in an operating room, as well as to a mechanic in a workshop or an installer in the industry. In particular, when the user 6 requires both hands to mount or the visualization page 3 is not within the immediate reach of the user 6.
  • the visualization system does not constantly try to keep the visualization page 3 in the field of vision of the user 6, it is possible for the user 6 to communicate a start signal or an indication signal by means of his facial expression. If the user 6 only closes the left eye, the visualization system evaluates this as an indication signal and fixes the position of the output unit with the visualization page 3. The user 6 can turn away the viewing direction from the visualization page 3 and the visualization page 3 nevertheless remains in the input signal present position.
  • the visualization system evaluates this as a start signal and jus- in the presence of a deviation of the line of sight vector 10 with respect to the vertical 9, the visualization page 3 nach ⁇ , so that the desired position of the visualization page is present.
  • the respective commands by means of facial expressions can be learned by the visualization system.
  • FIG. 3 shows a field of view 5 of a user.
  • About the visual field 5 of the user's individual facial areas are characterized, so that, for example, a laugh, an eye closure, or his line of sight can be detected.
  • the field of view 5 is detected by a camera and analyzed by means of a processing unit.
  • the processing unit determines the viewing direction of the respective person. This viewing direction is characterized by a line of sight vector 10.
  • the person's line of sight vector 10 thus reflects the area that the person is looking at and focusing on.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

L'invention concerne un système de visualisation comprenant une unité de sortie montée mobile, présentant un côté de visualisation pour la sortie de signaux visuels, une caméra et une unité de traitement, ainsi qu'un procédé pour l'orientation d'une unité de sortie montée mobile. Dans le but d'optimiser l'orientation d'une unité de sortie par rapport à un utilisateur, le système de visualisation selon l'invention comprend : - une unité de sortie montée mobile, présentant un côté de visualisation pour la sortie de signaux visuels; - une caméra, qui est configurée pour saisir un champ visuel d'un utilisateur; - une unité de traitement, qui est configurée pour déterminer, au moyen du champ visuel, une direction de visée de l'utilisateur; - des moyens de sortie, qui sont configurés pour émettre en sortie, une signalisation de divergence si la direction de visée s'écarte d'une mesure supérieure prédéterminée, d'une verticale du côté de visualisation.
PCT/EP2009/058505 2009-07-06 2009-07-06 Système de visualisation pour l'orientation d'une unité de sortie vers un utilisateur, et procédé correspondant Ceased WO2011003437A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/058505 WO2011003437A1 (fr) 2009-07-06 2009-07-06 Système de visualisation pour l'orientation d'une unité de sortie vers un utilisateur, et procédé correspondant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/058505 WO2011003437A1 (fr) 2009-07-06 2009-07-06 Système de visualisation pour l'orientation d'une unité de sortie vers un utilisateur, et procédé correspondant

Publications (1)

Publication Number Publication Date
WO2011003437A1 true WO2011003437A1 (fr) 2011-01-13

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PCT/EP2009/058505 Ceased WO2011003437A1 (fr) 2009-07-06 2009-07-06 Système de visualisation pour l'orientation d'une unité de sortie vers un utilisateur, et procédé correspondant

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8614673B2 (en) 2009-05-21 2013-12-24 May Patents Ltd. System and method for control based on face or hand gesture detection
WO2015008469A3 (fr) * 2013-07-16 2015-05-14 Seiko Epson Corporation Appareil de traitement d'informations, procédé de traitement d'informations et système de traitement d'informations

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002071315A2 (fr) * 2001-03-05 2002-09-12 Koninklijke Philips Electronics N.V. Positionnement automatique d'un ecran en fonction de la position du spectateur
WO2004052225A2 (fr) * 2002-12-06 2004-06-24 Koninklijke Philips Electronics N.V. Appareil et procede pour le positionnement automatise d'un dispositif
DE10335766A1 (de) * 2003-08-05 2004-11-25 Siemens Ag Bildschirm
EP1722560A2 (fr) * 2005-05-09 2006-11-15 ASUSTeK Computer Inc. Système d'affichage et procédé pour contrôler l'angle de rotation
JP2006324952A (ja) * 2005-05-19 2006-11-30 Hitachi Ltd テレビジョン装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002071315A2 (fr) * 2001-03-05 2002-09-12 Koninklijke Philips Electronics N.V. Positionnement automatique d'un ecran en fonction de la position du spectateur
WO2004052225A2 (fr) * 2002-12-06 2004-06-24 Koninklijke Philips Electronics N.V. Appareil et procede pour le positionnement automatise d'un dispositif
DE10335766A1 (de) * 2003-08-05 2004-11-25 Siemens Ag Bildschirm
EP1722560A2 (fr) * 2005-05-09 2006-11-15 ASUSTeK Computer Inc. Système d'affichage et procédé pour contrôler l'angle de rotation
JP2006324952A (ja) * 2005-05-19 2006-11-30 Hitachi Ltd テレビジョン装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8614673B2 (en) 2009-05-21 2013-12-24 May Patents Ltd. System and method for control based on face or hand gesture detection
US8614674B2 (en) 2009-05-21 2013-12-24 May Patents Ltd. System and method for control based on face or hand gesture detection
US10582144B2 (en) 2009-05-21 2020-03-03 May Patents Ltd. System and method for control based on face or hand gesture detection
WO2015008469A3 (fr) * 2013-07-16 2015-05-14 Seiko Epson Corporation Appareil de traitement d'informations, procédé de traitement d'informations et système de traitement d'informations
US9898662B2 (en) 2013-07-16 2018-02-20 Seiko Epson Corporation Information processing apparatus, information processing method, and information processing system
TWI617279B (zh) * 2013-07-16 2018-03-11 精工愛普生股份有限公司 資訊處理裝置、資訊處理方法、及資訊處理系統

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