EP2016577B1 - Dispositif pour representer des informations d'image - Google Patents

Dispositif pour representer des informations d'image Download PDF

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Publication number
EP2016577B1
EP2016577B1 EP07724855A EP07724855A EP2016577B1 EP 2016577 B1 EP2016577 B1 EP 2016577B1 EP 07724855 A EP07724855 A EP 07724855A EP 07724855 A EP07724855 A EP 07724855A EP 2016577 B1 EP2016577 B1 EP 2016577B1
Authority
EP
European Patent Office
Prior art keywords
screen
current
unit
control unit
displayed
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.)
Not-in-force
Application number
EP07724855A
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German (de)
English (en)
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EP2016577A1 (fr
Inventor
Klaus Ketterer
Karin Stumm-Tippe
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.)
Stumm-Tippe Karin
Original Assignee
STUMM TIPPE KARIN
Stumm-Tippe Karin
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 STUMM TIPPE KARIN, Stumm-Tippe Karin filed Critical STUMM TIPPE KARIN
Publication of EP2016577A1 publication Critical patent/EP2016577A1/fr
Application granted granted Critical
Publication of EP2016577B1 publication Critical patent/EP2016577B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address

Definitions

  • the invention relates to a device for displaying image information with a screen and a drive unit for moving the screen.
  • Such a device is for example from the DE 103 13 023 B4 known. It is intended for the attention-grabbing presentation of sales messages at sales outlets, at fairs and in public transport.
  • a control unit By means of a control unit, a movement of the screen and an image information to be displayed are dynamically synchronized. The screen movement is adjusted depending on the image information.
  • a control loop is provided with a bidirectional data transmission between the drive unit and the control unit, wherein the actual value of the image information with the target value of the screen movement and the actual value of the screen movement with the target value of the image information constantly compared become.
  • the object of the invention is therefore to provide a device of the type described, which is tolerant of positioning inaccuracies of the drive unit and has high flexibility.
  • the inventive device for displaying image information comprises a first display unit with a first screen, a first control unit, a first drive unit, which is in mechanical mechanical connection with the first screen for movement thereof, and a position sensor connected to the first control unit for detecting a current one Position of the first screen; wherein the first control unit comprises calculating means for calculating the image information to be displayed from at least one current basic image taking into account current image modification parameters as well as the current position of the first screen.
  • the device according to the invention in contrast to the known device, no feedback of the currently displayed image information to the drive unit is provided. In particular, the effort for a control loop with a bidirectional data transmission is also eliminated. Instead, only the position of the first screen is captured and included in the current calculation of the image information from the basic image. A positioning inaccuracy of the drive unit plays virtually no role, since it does not depend on a predetermined, but on the actual present and detected by means of the position sensor position of the first screen. As a result, the device according to the invention can be used very flexibly. In addition, the demands on the dynamics and positioning accuracy of the drive unit are much lower than in the known device according to the prior art. The device according to the invention is very fault tolerant with respect to the drive.
  • the inventive device for image information presentation can be used extremely flexible and with relatively little effort to create a variety of presentations.
  • the inventive device for image information presentation can be used extremely flexible and with relatively little effort to create a variety of presentations.
  • a variant in which the first drive unit is designed to move the first screen independently of the image information is advantageous. This reduces the implementation effort and increases flexibility.
  • both control programs are independent of each other.
  • the first control unit and the first drive unit are designed as separate units.
  • only one connection can be provided for transmitting current position information of the first screen from the first drive unit to the first control unit.
  • the first screen has a refresh rate and the calculation means are designed to calculate the image information to be displayed at the rate of the refresh rate and in particular in real time. This allows a very accurate representation of the image information done. Even very rapid changes to the displayed image information can be displayed.
  • the current image modification parameters describe a section to be displayed from the current basic image, wherein a current section size parameter for adjusting a size of the section to be displayed, a current section displacement parameter for adjusting a displacement position of the section to be displayed and a current section angle parameter is provided for adjusting an angular position of the section to be displayed.
  • the clipping can cover the whole basic picture.
  • a section to be displayed can be determined from the basic image in a simple and very flexible manner.
  • the calculation means are designed for the calculation of the current clipping size parameter, the current clipping shift parameter and the current clipping angle parameter taking place in time with the refresh rate by means of an interpolation between predefinable interpolation point values.
  • the support point density can be reduced.
  • the interpolation also supplies default values at times which lie between the interpolation points.
  • the position sensor is designed to detect a current shift position of the first screen and a current angular position of the first screen, as well as the control unit designed for a determination derived therefrom of a current screen shift parameter and a current screen angle parameter. These parameters are particularly suitable for taking into account the current screen position when calculating the image information to be displayed.
  • the calculation means are designed for calculating the image information to be displayed by means of matrix multiplications.
  • These mathematical operations can be very well programmed and executed as software modules on a microprocessor.
  • the matrix multiplications very easily allow for consideration of both the image modification parameters and the screen parameters. They are also suitable for a very fast calculation of image information.
  • an associated matrix is set up for each of the current image change parameters and for each of the current screen position parameters.
  • the image information to be displayed results from a multiplication of the matrices associated with the current image change parameters and the current screen position parameters with the current basic image.
  • the first screen and the first control unit are combined to form a common structural unit.
  • integration eliminates the need for an electrical sliding contact that would otherwise be required to transfer the graphics signals from the first control unit to the first screen to bridge the mechanically movable location of the screen support.
  • a suitable for transmitting the high-frequency graphics signals slip ring is associated with considerable effort, which can be avoided by the advantageous integration.
  • the current basic image is an instantaneous image of a video sequence or a predefinable image sequence.
  • the basic image can come from a largely arbitrary source. So there is a very large variety of applications.
  • the calculation means in such a way that the image information to be displayed is determined from a superimposition of at least two partial image information, which are respectively calculated from a current basic image taking into account current image modification parameters and from the current position of the first screen. This further increases the application potential.
  • This can be done make the presentations of the picture information even more impressive and varied.
  • the number of presentation units is not limited. Thus, it is also possible to provide three, four or even more presentation units.
  • the first and the second presentation unit have a common coordination unit.
  • This serves to synchronize or at least coordinate the beginning of the partial presentations that take place on the respective presentation units. This avoids an undesirable time offset between the partial presentations.
  • any other type of synchronization can also be realized with the coordination unit.
  • the coordination unit can be designed as a separate unit or be part of one of the presentation units. In particular, it may be formed by one of the control units.
  • a simulation unit which can be detachably connected to the first control unit and to the first drive unit is provided for simulating the representation of the image information.
  • the simulation unit can also be detachably connected to all other possibly existing control and drive units. The simulation unit enables the creation and testing of a new image presentation in a very simple and convenient way, without the need for the display units themselves or / and put into operation.
  • the simulation unit is preferably designed to generate transferable control sequences to the first control unit and to the first drive unit.
  • the control sequences can be stored in particular in the form of script files and transmitted to the presentation units become. In this way, the information obtained during the testing can also be used for the image presentation that finally takes place on the presentation unit.
  • a display unit 1 designed as a device for displaying an image information 2 is shown.
  • the display unit 1 comprises a movable screen 3, a drive unit 4 and a control unit 5, which together with the screen 3 forms a structural unit.
  • the screen 3 and the drive unit 4 are coupled together by means of a mechanical operative connection 6, so that the drive unit 4 can move the screen 3. This movement can be carried out as a rotation and / or as a displacement movement.
  • Fig. 1 This is indicated by a rotation arrow 7 and a translational arrow 8.
  • a position sensor 9 is provided, which is assigned in the embodiment of the drive unit 4, but is also connected to the control unit 5.
  • the position sensor 9 detects the position of the screen 3 in the embodiment so indirectly via a position detection on the drive unit 4. In principle, however, the position detection can also be done in other ways. Thus, the position sensor 9 can also be arranged at a different location within the display unit 1, for example directly on the screen 3.
  • Fig. 2 is a block diagram of the display unit 1 according to Fig. 1 shown.
  • the executed in the embodiment as a TFT or LCD screen screen 3 is electrically connected to the control unit 5, which is designed as a computer or as a computer assembly and a standard graphics card 10, a calculation unit 11 and a memory 12 includes.
  • the graphics card 10 delivers the image information 2 to be displayed on the screen 3.
  • the latter can basically also be designed as a plasma screen or as a large screen, for example in the form of an LED display wall.
  • the high tolerance with respect to the positioning accuracy inherent in the presentation unit 1 also makes it possible to use it and, in particular, to move a very heavy screen.
  • the memory 12 is formed in the embodiment as a hard disk.
  • the calculation unit 11 comprises a microprocessor or microcontroller module.
  • the control unit 5 also has a measuring input 13, which is designed, for example, as a parallel interface (LPT) or as a USB interface.
  • the measuring input 13 is connected to the position sensor 9.
  • the control unit 5 has a network input 14 and a video input 15.
  • the network input 14 and the video input 15 are optional.
  • the drive unit 4 comprises a motor control 16, a motor 17, a gear 18, a turntable 19 designed as a support for the screen 3, a reflected light barrier 21 detecting a reference point 20 on the turntable 19, an incremental encoder 22 arranged on the motor 17 and a counter 23.
  • the motor 17, the gear 18 and the turntable 19 are mechanically interconnected so that the motor 17 can cause a rotational movement of the turntable 19.
  • a displacement of the turntable 19 can also be made possible.
  • the motor control 16 is connected to the motor 17 by means of a control line 24, to the incremental encoder 22 and to the reflected light barrier 21 by means of signal lines 25 and 26 and to the counter 23 by means of a reset line 27.
  • the position sensor 9 is executed in two parts. It comprises the incremental encoder 22 and the counter 23, which are interconnected by means of a signal line 28.
  • the image information 2 to be displayed is recalculated within each image repetition period and forwarded to the graphics card 10, which causes the actual display on the screen 3.
  • the motor controller 16 determines the drive unit 4, whether a change in the drive and thus the screen position is to be made and causes this, if necessary.
  • the control signals for the motor 17 are also determined taking into account the measured values supplied by the incremental encoder 22 and by the retro-reflective sensor 21.
  • the incremental encoder 22 detects a position of the motor 17 and reports a change in the drive position in the form of counting pulses both to the motor controller 16 and to the counter 23.
  • the reflected light barrier 21 detects the reference point 20 on the turntable 19 and also provides this information to the motor controller 16 available.
  • control unit 5 and in the drive unit 4 is a respective control program with specifications regarding the respective task, ie the image calculation and display or the screen movement, stored. Both control programs are independent of each other.
  • control programs include breakpoints on a time scale.
  • the drive unit 4 at least one drive displacement parameter and at least one drive angle parameter are stored for each support point, which indicate a displacement position or an angular position which is to be set by the drive unit 4 at the time of this support point.
  • the motor controller 16 determines the default values for the displacement position and the angular position in the exemplary embodiment by means of a linear interpolation. Other methods for determining the between the support points lying default values for the control of the motor 17 are also possible. This also applies in particular to nonlinear interpolation methods.
  • Support points with image modification parameters are also stored on a time scale in the control unit 5.
  • the image modification parameters stored per support point comprise at least one detail size parameter, at least one detail displacement parameter and at least one detail angle parameter. These parameters describe the size, the displacement position and the angular position of an example in Fig. 3 shown section 29 from a basic image 30.
  • the cutout 29 corresponds essentially to be displayed on the screen 3 Image information 2. He can fill the display field of the screen 3 either completely or only partially.
  • the basic image 30 may change over time or remain constant. It is also possible to provide a superimposition of two partial images 32 and 33 as the basic image 31. This is in Fig. 4 shown.
  • the overlay is particularly advantageous if the cutout 29 is moved beyond the edge of the first partial image 32 in the course of the presentation, as is the case, for example, during a rotation of the in Fig. 4 Section 29 would be the case.
  • the second partial image 33 is deposited at this location on the first partial image 32.
  • image modification parameters that is to say the detail size parameters, the detail displacement parameters and the detail angle parameters, are stored per sample point, wherein the sample points can again be provided in any time sequence. Between the interpolation points as well as in the drive unit 4, an interpolation.
  • the image information 2 to be displayed is composed of more than one section 29.
  • the individual cutouts can lie next to each other or at least partially over each other.
  • the known per se Einblendtechnik is used.
  • information about which basic image 30 and / or 31 is to be used at the respective time is also stored in the memory 12. This is done in the embodiment in the form of a script file 34.
  • the respectively used basic images 30 and 31 are present in the embodiment as media files. Their content and also the origin of these media files are largely arbitrary.
  • the control unit 5 receives indirect information about the displacement position and the angular position of the screen 3. Based on the data provided by the counter 23 with respect to the displacement position and the angular position of the motor 17 current screen shift parameters and current screen angle parameters are determined. These are also included in the determination of the image information 2.
  • matrix multiplications are carried out, wherein for the three image change parameters, that is to say the current cutout size parameter, the current cutout shift parameter and the current cutout angle parameter, as well as for the current screen shift parameter and the current screen angle parameter Matrix is set up, which the respective displacement, Rotation or sizing according to the rules of general algebra for coordinate transformation describes.
  • the image information 2 to be displayed is present for the current image repetition period.
  • five matrix multiplications are thus carried out in each case. This determination of the image information 2 by matrix operation takes place in real time, ie in time with the refresh rate of the screen 3.
  • the control unit 5 is able to adapt the displayed image information 2 to the current screen position.
  • control of the motor 17 in the drive unit 4 is independent of the currently displayed image information 2.
  • the only decisive factors are the default values at the support points that are stored in the drive unit 4.
  • the drive displacement parameters and the drive rotation parameters of the respective support points are also stored in a script file 38.
  • the presentation unit 1 is very robust and insensitive to interference. It also allows for every single display image Image information 2 calculated in the cycle of the refresh rate is a very flexible adaptation to a wide variety of applications.
  • FIG. 5 an embodiment of a device 39 for image presentation with a total of three display units 40, 41 and 42 is shown in block diagram representation.
  • the display units 40 to 42 correspond in structure and their mode of operation of the display unit 1 according to the Fig. 1 to 4 .
  • a simulation unit 43 and a coordination unit 44 are provided.
  • the simulation unit 43 is detachably connected to the drive units 4 and control units 5 of the display units 40 to 42.
  • the coordination unit 44 is connected to the control units 5 of the display units 40 to 42.
  • the simulation unit 43 is executed in the embodiment as a stand-alone computer, which is designed to prepare a slide presentation on the device 39. For this purpose, the movements of the screens 3 of the display units 40 to 42 and the respective image information 2 to be displayed are completely simulated in the simulation unit 43 in order to try out the sequence of the interpolation points with their parameters to be stored in the drive units 4 and control units 5 and definitively determine if a satisfactory Image presentation is achieved. These nodes and the associated parameter values are then recorded in the script files 34 and 38. The script files 34 and 38 thus created are transmitted for storage to the control units 5 or drive units 4 of the presentation units 40 to 42. Subsequently, the connection to the display units 40 to 42 can be released again.
  • the simulation unit 43 is not required for performing the image presentation. It primarily serves to prepare the image presentation.
  • the optional coordination unit 44 is provided above all when the image information 2 shown in the presentation units 40 to 42 is to be synchronized. If this is not the case, the coordination unit 44 can also be omitted. Otherwise, the main function of the coordination unit 44 is to initiate the partial presentations that take place in the presentation units 40 to 42 at the same time. Thereafter, the respective partial presentations run on the display units 40 to 42 independently.
  • the coordinating task can also be taken over by one of the control units 5.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Or Creating Images (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Navigation (AREA)

Claims (14)

  1. Dispositif pour la représentation des informations d'image (2) comprenant
    a) une première unité de représentation (1 ; 40, 41, 42) avec un premier écran (3), une première unité de commande (5), une première unité d'entraînement (4) qui est en relation par l'intermédiaire d'une liaison fonctionnelle mécanique (6 ; 19) avec le premier écran (3) pour son déplacement, et un capteur de position (9) raccordé à la première unité de commande (5) pour l'enregistrement d'une position actuelle du premier écran (3),
    b) la première unité de commande (5) comprenant des moyens de calcul (11) pour le calcul des informations d'image (2) à représenter à partir d'au moins une image de départ actuelle (30, 31) en tenant compte de paramètres de modification d'image actuels ainsi que de la position actuelle du premier écran (3).
  2. Dispositif selon la revendication 1 caractérisé en ce que la première unité d'entraînement (4) est présente pour le déplacement du premier écran (3) de manière indépendante par rapport à l'information d'image.
  3. Dispositif selon la revendication 1 caractérisé en ce que le premier écran (3) présente une fréquence de répétition d'images et que les moyens de calcul (11) pour le calcul de l'information d'image (2) à représenter sont exprimés en phase avec la fréquence de répétition d'images et, en particulier, en temps réel.
  4. Dispositif selon la revendication 1 caractérisé en ce que les paramètres de modification d'images actuels décrivent un extrait de séquence à représenter (29) de l'image de départ actuelle (30, 31), où un paramètre de grandeur de l'extrait actuel est prévu pour l'ajustement d'une grandeur de l'extrait à représenter (29), un paramètre de décalage de l'extrait actuel est prévu pour l'ajustement d'une position de décalage de l'extrait à représenter (29) et un paramètre angulaire de l'extrait actuel est prévu pour l'ajustement d'une position angulaire de l'extrait à représenter (29).
  5. Dispositif selon les revendications 3 et 4 caractérisé en ce que les moyens de calcul (11) sont dimensionnés pour le calcul, ayant lieu à la fréquence de répétition des images en phase, des paramètres des grandeurs de l'extrait actuel, des paramètres de décalage de l'extrait actuel et des paramètres angulaires de l'extrait actuel au moyen d'une interpolation entre des valeurs de base pouvant être fixées par avance.
  6. Dispositif selon la revendication 1 caractérisé en ce que le capteur de position (9) est conçu pour déterminer une position de décalage actuelle du premier écran (3) et d'une position angulaire actuelle du premier écran (3) tout comme l'unité de commande (5) est conçue pour une détermination du paramètre actuel de décalage de l'écran et du paramètre angulaire actuel de l'écran qui en résultent.
  7. Dispositif selon la revendication 1 caractérisé en ce que les moyens de calcul (11) sont disponibles pour le calcul de l'information d'image (2) à représenter au moyen de multiplications de matrices.
  8. Dispositif selon la revendication 1 caractérisé en ce que le premier écran (3) et la première unité de commande (5) sont rassemblés dans une construction commune.
  9. Dispositif selon la revendication 1 caractérisé en ce que l'image de départ (30 ; 31) actuelle est une image instantanée d'une séquence vidéo ou d'une séquence d'images pouvant être fixée préalablement.
  10. Dispositif selon la revendication 1 caractérisé en ce que les moyens de calcul (11) sont disponibles pour la détermination de l'information d'images (2) à représenter à partir d'une accumulation d'au moins deux informations d'images partielles qui sont calculées chacune à partir d'une image de départ (30, 31) actuelle en tenant compte des paramètres de modification de l'image actuelle ainsi que de la position actuelle du premier écran (3).
  11. Dispositif selon la revendication 1 caractérisé en ce qu'au moins une seconde unité de présentation visuelle (41, 42) avec un second écran (3), une seconde unité de commande (5), une seconde unité d'entraînement (4) qui est en relation fonctionnelle mécanique avec le second écran (3) pour son déplacement, et un capteur de position relié à la seconde unité de commande (5) pour la détermination d'une position actuelle du second écran (3), soient prévus.
  12. Dispositif selon la revendication 11 caractérisé en ce que la première unité de représentation et la seconde (40, 41, 42) possèdent une unité de coordination commune (44).
  13. Dispositif selon la revendication 1 caractérisé en ce qu'une unité de simulation (43) pouvant être amovible à la première unité de commande (5) et à la première unité d'entraînement (4) est prévue pour la simulation de la représentation d'information d'image (2).
  14. Dispositif selon la revendication 13 caractérisé en ce que l'unité de simulation (43) est disponible pour la création de séquences de commande pouvant être transmises à la première unité de commande (5) et à la première unité d'entraînement (4).
EP07724855A 2006-05-05 2007-05-04 Dispositif pour representer des informations d'image Not-in-force EP2016577B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006020979A DE102006020979B3 (de) 2006-05-05 2006-05-05 Vorrichtung zur Darstellung von Bildinformation
PCT/EP2007/003930 WO2007128502A1 (fr) 2006-05-05 2007-05-04 Dispositif pour représenter des informations d'image

Publications (2)

Publication Number Publication Date
EP2016577A1 EP2016577A1 (fr) 2009-01-21
EP2016577B1 true EP2016577B1 (fr) 2012-02-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07724855A Not-in-force EP2016577B1 (fr) 2006-05-05 2007-05-04 Dispositif pour representer des informations d'image

Country Status (5)

Country Link
US (1) US20080001917A1 (fr)
EP (1) EP2016577B1 (fr)
AT (1) ATE545126T1 (fr)
DE (2) DE202006008325U1 (fr)
WO (1) WO2007128502A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760863B1 (fr) * 1997-03-13 1999-05-28 Socorro Francisco Ribeiro Borne publique d'information
DE29910085U1 (de) * 1999-06-10 1999-09-09 Frenzel Hans-Holger Interaktive Informationsstation mit Bildschirm, Eingabemöglichkeit und Stellvorrichtungen
US6859219B1 (en) * 1999-10-08 2005-02-22 Gateway, Inc. Method and apparatus having multiple display devices
DE10206120A1 (de) * 2002-02-14 2003-09-04 Adsec Comp Monitorsystemanordnung
DE10313023B4 (de) * 2003-03-24 2006-02-23 GTG Gesellschaft für elektronische Geräte mbH Vorrichtung zur audiovisuellen Präsentation von Ton und Bild
DE102005004448A1 (de) * 2005-02-01 2006-04-06 Daimlerchrysler Ag Elektronische Konstruktionsvorrichtung
US8102333B2 (en) * 2005-04-28 2012-01-24 Sony Corporation Display device securing mechanism and display system that rotates display devices around a rotational axis

Also Published As

Publication number Publication date
ATE545126T1 (de) 2012-02-15
WO2007128502A1 (fr) 2007-11-15
EP2016577A1 (fr) 2009-01-21
DE102006020979B3 (de) 2007-10-18
US20080001917A1 (en) 2008-01-03
DE202006008325U1 (de) 2006-08-10

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