EP0276800A2 - Device for displaying a composite image - Google Patents

Device for displaying a composite image Download PDF

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Publication number
EP0276800A2
EP0276800A2 EP88101043A EP88101043A EP0276800A2 EP 0276800 A2 EP0276800 A2 EP 0276800A2 EP 88101043 A EP88101043 A EP 88101043A EP 88101043 A EP88101043 A EP 88101043A EP 0276800 A2 EP0276800 A2 EP 0276800A2
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EP
European Patent Office
Prior art keywords
screen
sources
line
display
individual
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Granted
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EP88101043A
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German (de)
French (fr)
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EP0276800B1 (en
EP0276800A3 (en
Inventor
Ludwig Dr. Ing. Pietzsch
Detlef Dr. Ing. Senger
Horst Dipl.-Inf. Winter
Hubert Dipl.-Inf. Völlinger
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IBP Pietzsch GmbH
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IBP Pietzsch GmbH
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen

Definitions

  • the invention relates to a method and a device for displaying an overall image on a screen of a screen device, which is composed of several natural and / or synthetic partial images generated by different sources.
  • the representation of an image on the screen of a display device is shown by a plurality of lines, e.g. 625, which are traversed by an electron beam.
  • lines e.g. 625
  • the entire process is repeated. So that the electron beam travels the lines regularly, it must be synchronized in the horizontal and vertical directions.
  • the clock for the horizontal synchronization the line clock, the electron beam is clocked from one line to the next line, while it returns with the clock for the vertical synchronization, the image clock, back to the beginning of the picture and again moves the screen line by line.
  • each line is broken down into a large number of points.
  • the electron beam runs continuously along a line, as in normal television, but its light-dark control is clocked by the pixel clock, so that the resolution of the pixels is determined by the period of the pixel clock.
  • This known principle can be used to fade in color or gray values at defined points on the screen that are not from the connected image source, e.g. TV cameras.
  • Methods for superimposing graphic elements in the image of a screen device are already known (DE-A-34 10 662).
  • Techniques such as "picture in picture” in analog studio technology or window techniques in screen-based computer workstations that work with purely synthetic raster images (DE-B-30 35 636) are also known.
  • It is known to perform logical operations on color display devices in several, in particular three (for blue, red and green) memory levels, so as to emphasize or suppress a specific color (or a specific gray value) US Pat. No. 4,613,852).
  • the invention has for its object to provide a method and a device of the type mentioned that enable an improved overall presentation of at least two partial images generated by different sources on a screen.
  • claim 1 and claim 9 are provided in a method and a device according to the invention.
  • the method and the device according to the invention make it possible to display images, in particular on high-resolution screens, which keep pace with the image point from pixel to pixel, from line to line and from image to image frequency of a few 10 MHz can be composed of changing fields from different sources, the image sources can work asynchronously and with different imaging frequencies.
  • three TV cameras 1, raster graphics generators 2 and mass memories 3 for digital image data are provided for generating images as "sources", each of which has its own buffer memories 11 to 13, 14 to 16 and 17 to 19 assigned.
  • the TV cameras 1, raster graphics generators 2 and mass storage devices 3 transmit their information asynchronously and thus independently of one another in each case to a buffer memory 11 to 19 which can be written to or read via different inputs and outputs (“dual port”). While the writing can take place at different data rates, the reading and transfer of the data to an interface circuit 25 for a screen or monitor 30 on which the image information is to be displayed is synchronized via a central clock control 20.
  • the clock rate must at least correspond to the video frequency. In the case of high-resolution screens, it must even be a multiple of the video frequency in order to produce a flicker-free picture.
  • the buffer memory 11 to 19, which is normally Containing images or partial images are not read out one after the other or according to another fixed scheme and displayed on the monitor 30, but the monitor image can basically be composed point by point from points from different sources 1 and / or 2 and / or 3.
  • a mask memory 21, which can be loaded from a control computer 24, is provided, the content of which is transferred to a control network 23 at the pixel frequency.
  • the control network 23 connects one bit of the mask memory output register 22 to the control part 31 to 39 of the buffer memory 11 to 19 of a source 1, 2, 3.
  • the mask memory 21 is constructed in such a way that the data width (data word) that can be read out in parallel corresponds exactly to the number of sources, and if the mask memory 21 is loaded such that one bit is set for each data word, a selection of the pixel to be displayed can be made from pixel to pixel from the pixels of all available sources 1, 2, 3.
  • control of the buffer memory is additionally provided with four loadable registers or counters 40
  • partial images of various formats can be used as the source and can be inserted at any point in the overall image, since the starting point of the partial image (top left corner) can be preset by suitably setting the counters 40. can be determined relative to the overall picture.
  • One counter indicates the line offset, the second the pixel shift in the line and the further counters run along to the end of the line or to the last line of the field.
  • the counters 40 are preset according to the picture size and the desired picture position in the overall picture via the data bus 41.
  • the control information predetermined by the mask memory 21 finally causes in the control of the buffer memory 11 to 19 that the gray value or color value of the pixel to be displayed is passed on from the selected source via the data collection line 42 to the interface circuit 25.
  • the gray values or colors are transmitted to the interface circuit 25 pixel by pixel as they are continuously required for the display. Regarding the arrangement, it does not matter what size the overall picture has in relation to the size of the drawing files and how the drawing files or parts of the drawing files are put together.
  • text can be faded in at any point on the screen, either "into space” or via already defined drawing files.
  • a "panoramic image” can be displayed on the screen by combining the partial images obtained.
  • a corresponding map section can be shown in the overall display, in which the viewing direction of the television camera as an arrow or Like. Can be represented. The camera can be swiveled in this direction by marking a desired direction on the map section shown using a light pen, by touching or the like.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Studio Circuits (AREA)

Abstract

Ein Verfahren zur Darstellung auf einem Bildschirm (30) eines Bildschirmgerätes eines Gesamtbildes, das aus mehreren natürlichen und/oder synthetischen, von verschiedenen Quellen (1,2,3) generierten Teilbildern zusammengesetzt ist, zeichnet sich dadurch aus, daß die Teilbilder erst zum Zeitpunkt der zeilenweisen Wiedergabe bzw. Darstellung auf dem Bildschirm (30) stückweise zusammengesetzt werden, indem aus verschiedenen, den einzelnen Quellen (1,2,3) zugeordneten Speichern (11 bis 19) videoschnell eine jedem Teilbild entsprechende Anzahl von Bildpunkten herausgelesen wird und dieser Vorgang von Zeile zu Zeile wiederholt wird. Die Erfindung gibt auch eine Einrichtung zur Durchführung dieses Verfahrens an.A method for displaying on a screen (30) of a screen device of an overall image, which is composed of several natural and / or synthetic partial images generated by different sources (1, 2, 3), is characterized in that the partial images are only available at the time the line-by-line display or display on the screen (30) are pieced together piece by piece by reading out a number of pixels corresponding to each partial image from various memories (11 to 19) assigned to the individual sources (1, 2, 3) and this process is repeated from line to line. The invention also provides a device for performing this method.

Description

Die Erfindung betrifft ein Verfahren und eine Einrich­tung zur Darstellung auf einem Bildschirm eines Bildschirmgerätes eines Gesamtbildes, das aus mehreren natürlichen und/oder synthetischen, von verschiedenen Quellen generierten Teilbildern zusammengesetzt ist.The invention relates to a method and a device for displaying an overall image on a screen of a screen device, which is composed of several natural and / or synthetic partial images generated by different sources.

Die Darstellung eines Bildes auf dem Bildschirm eines Bildschirmgerätes wird durch eine Vielzahl von Zeilen, z.B. 625, erreicht, die von einem Elektro­nenstrahl abgefahren werden. Wenn der Elektronenstrahl alle Zeilen des Bildschirms abgefahren hat, wiederholt sich der gesamte Vorgang. Damit der Elektronenstrahl regelmäßig die Zeilen abfährt, muß er in horizontaler und in vertikaler Richtung synchronisiert werden. Mit dem Takt für die horizontale Synchronisation, dem Zeilentakt, wird der Elektronenstrahl von einer Zeile zur nächsten Zeile getaktet, während er mit dem Takt für die vertikale Synchronisation, dem Bildtakt, wieder zum Bildanfang zurückkehrt und erneut Zeile für Zeile den Bildschirm abfährt.The representation of an image on the screen of a display device is shown by a plurality of lines, e.g. 625, which are traversed by an electron beam. When the electron beam has scanned all the lines on the screen, the entire process is repeated. So that the electron beam travels the lines regularly, it must be synchronized in the horizontal and vertical directions. With the clock for the horizontal synchronization, the line clock, the electron beam is clocked from one line to the next line, while it returns with the clock for the vertical synchronization, the image clock, back to the beginning of the picture and again moves the screen line by line.

Bildschirmgeräte zur Darstellung von Zeichen und Graphik weisen im Gegensatz zum gewöhnlichen Fernsehen noch einen weiteren Takt neben dem Zeilentakt und dem Bildtakt auf. Mit diesem Takt, dem Bildpunkttakt ("Dotclock"), wird jede Zeile in eine Vielzahl von Punkten zerlegt. Der Elektronenstrahl läuft hierbei zwar wie beim gewöhnlichen Fernsehen kontinu­ierlich auf einer Zeile entlang, seine Hell-Dunkel-An­steuerung wird jedoch vom Bildpunkttakt getaktet, so daß die Auflösung der Bildpunkte durch die Periode des Bildpunkttaktes festgelegt wird.In contrast to ordinary television, screen devices for displaying characters and graphics have a further clock in addition to the line clock and the image clock. With this clock, the pixel clock ("Dotclock"), each line is broken down into a large number of points. The electron beam runs continuously along a line, as in normal television, but its light-dark control is clocked by the pixel clock, so that the resolution of the pixels is determined by the period of the pixel clock.

Dieses bekannte Prinzip kann man dazu nutzen, an definierten Stellen des Bildschirms Farb- oder Grauwerte einzublenden, die nicht von der angeschlosse­nen Bildquelle, z.B. Fernsehkameras, geliefert werden. Verfahren für die Einblendung von graphischen Elementen in das Bild eines Bildschirmgerätes sind bereits bekannt (DE-A- 34 10 662). Auch sind Techniken wie "Bild im Bild" bei analoger Studiotechnik bekannt oder Fenstertechniken bei bildschirmgestützten Rechnerarbeitsplätzen, die mit rein synthetischen Rasterbildern arbeiten (DE-B-30 35 636). Es ist bekannt, bei Farbbildschirmgeräten in mehreren, inbesondere drei (für Blau, Rot und Grün) Speicherebenen logische Operationen durchzuführen, um so eine bestimmte Farbe (oder einen bestimmten Grauwert) zu betonen oder zu unterdrücken (US-A-4,613,852).This known principle can be used to fade in color or gray values at defined points on the screen that are not from the connected image source, e.g. TV cameras. Methods for superimposing graphic elements in the image of a screen device are already known (DE-A-34 10 662). Techniques such as "picture in picture" in analog studio technology or window techniques in screen-based computer workstations that work with purely synthetic raster images (DE-B-30 35 636) are also known. It is known to perform logical operations on color display devices in several, in particular three (for blue, red and green) memory levels, so as to emphasize or suppress a specific color (or a specific gray value) (US Pat. No. 4,613,852).

Der Erfindung liegt die Aufgabe zugrunde, ein Verfah­ren und eine Einrichtung der eingangs genannten Art zu schaffen, die eine verbesserte Gesamtdarstel­lung mindestens zweier von unterschiedlichen Quellen generierter Teilbilder auf einen Bildschirm ermögli­chen.The invention has for its object to provide a method and a device of the type mentioned that enable an improved overall presentation of at least two partial images generated by different sources on a screen.

Zur Lösung dieser Aufgabe sind bei einem Verfahren bzw. einer Einrichtung gemäß der Erfindung die Merkmale des Anspruchs 1 bzw. des Anspruchs 9 vorgese­hen. Das Verfahren und die Einrichtung nach der Erfindung erlauben es, Bilder insbesondere auf hochauflösenden Bildschirmen darzustellen, die von Bildpunkt zu Bildpunkt, von Zeile zu Zeile und von Bild zu Bild schritthaltend mit der Bildpunkt­ frequenz von einigen 10 MHz aus wechselnden Teilbil­dern verschiedener Quellen zusammengesetzt werden können, wobei die Bildquellen asynchron und mit verschiedenen Bilderzeugungsfrequenzen arbeiten können.To achieve this object, the features of claim 1 and claim 9 are provided in a method and a device according to the invention. The method and the device according to the invention make it possible to display images, in particular on high-resolution screens, which keep pace with the image point from pixel to pixel, from line to line and from image to image frequency of a few 10 MHz can be composed of changing fields from different sources, the image sources can work asynchronously and with different imaging frequencies.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen unter Schutz gestellt.Advantageous embodiments of the invention are protected in the subclaims.

Die Erfindung ist im folgenden anhand einer Zeichnung an einem Ausführungsbeispiel näher erläutert.The invention is explained below with reference to a drawing of an embodiment.

Bei der in der Figur gezeigten Einrichtung sind zum Generieren von Bildern als "Quellen" je drei TV-Kameras 1, Rastergraphik-Generatoren 2 und Massen­speicher 3 für digitale Bilddaten vorgesehen, denen jeweils eigene Pufferspeicher 11 bis 13, 14 bis 16 und 17 bis 19 zugeordnet sind. Die TV-Kameras 1, Rastergraphik-Generatoren 2 und Massenspeicher 3 übertragen ihre Informationen asynchron und damit unabhängig voneinander in jeweils einen Pufferspeicher 11 bis 19, der über verschiedene Ein- und Ausgänge beschrieben bzw. gelesen werden kann ("Dual-Port"). Während das Einschreiben mit unterschiedlichen Datenraten erfolgen kann, wird über eine zentrale Taktsteuerung 20 das Auslesen und Übergeben der Daten an eine Interface-Schaltung 25 für einen Bildschirm oder Monitor 30, auf dem die Bildinformatio­nen dargestellt werden sollen, synchronisiert. Dabei muß die Taktrate mindestens der Videofrequenz entsprechen. Bei hochauflösenden Bildschirmen muß sie sogar ein Mehrfaches der Videofrequenz betragen, um ein flackerfreies Bild zu erzeugen.In the device shown in the figure, three TV cameras 1, raster graphics generators 2 and mass memories 3 for digital image data are provided for generating images as "sources", each of which has its own buffer memories 11 to 13, 14 to 16 and 17 to 19 assigned. The TV cameras 1, raster graphics generators 2 and mass storage devices 3 transmit their information asynchronously and thus independently of one another in each case to a buffer memory 11 to 19 which can be written to or read via different inputs and outputs (“dual port”). While the writing can take place at different data rates, the reading and transfer of the data to an interface circuit 25 for a screen or monitor 30 on which the image information is to be displayed is synchronized via a central clock control 20. The clock rate must at least correspond to the video frequency. In the case of high-resolution screens, it must even be a multiple of the video frequency in order to produce a flicker-free picture.

Die Pufferspeicher 11 bis 19, die im Normalfall Bilder oder Teilbilder enthalten, werden nicht nacheinander oder nach einem anderen festen Schema ausgelesen und zur Darstellung auf den Monitor 30 gebracht, sondern das Monitorbild kann grundsätzlich Punkt für Punkt aus Punkten unterschiedlicher Quellen 1 und/oder 2 und/oder 3 zusammengesetzt werden. Dazu ist ein von einem Steuerrechner 24 aus ladbarer Maskenspeicher 21 vorgesehen, dessen Inhalt mit der Bildpunktfrequenz auf ein Steuernetzwerk 23 gegeben wird. Das Steuernetzwerk 23 verbindet jeweils ein Bit des Maskenspeicher-Ausgangsregisters 22 mit dem Steuerteil 31 bis 39 des Pufferspeichers 11 bis 19 einer Quelle 1, 2 ,3. Wird der Maskenspei­cher 21 so aufgebaut, daß die parallel auslesbare Datenbreite (Datenwort) genau der Anzahl der Quellen entspricht, und wird der Maskenspeicher 21 so geladen, daß je Datenwort gerade ein Bit gesetzt ist, so kann von Bildpunkt zu Bildpunkt eine Auswahl des darzustellenden Bildpunktes aus den Bildpunkten aller zur Verfügung stehenden Quellen 1, 2, 3 erfolgen.The buffer memory 11 to 19, which is normally Containing images or partial images are not read out one after the other or according to another fixed scheme and displayed on the monitor 30, but the monitor image can basically be composed point by point from points from different sources 1 and / or 2 and / or 3. For this purpose, a mask memory 21, which can be loaded from a control computer 24, is provided, the content of which is transferred to a control network 23 at the pixel frequency. The control network 23 connects one bit of the mask memory output register 22 to the control part 31 to 39 of the buffer memory 11 to 19 of a source 1, 2, 3. If the mask memory 21 is constructed in such a way that the data width (data word) that can be read out in parallel corresponds exactly to the number of sources, and if the mask memory 21 is loaded such that one bit is set for each data word, a selection of the pixel to be displayed can be made from pixel to pixel from the pixels of all available sources 1, 2, 3.

Werden mehrere Bildpunkte hintereinander und mehrere Zeilen bzw. Zeilenstücke untereinander von der gleichen Quelle gespeist, so entstehen wiederum Teilbilder.If several pixels are fed in succession and several lines or line segments are fed to one another from the same source, partial images are again created.

Versieht man die Steuerung der Pufferspeicher zusätz­lich mit vier ladbaren Registern oder Zählern 40, so können Teilbilder unterschiedlichsten Formates als Quelle herangezogen werden und an beliebige Stellen in das Gesamtbild eingefügt werden, da durch geeignetes Vorbesetzen der Zähler 40 der Anfangspunkt des Teilbildes (linke obere Ecke) relativ zum darstellenden Gesamtbild bestimmt werden kann. Dabei gibt ein Zähler den Zeilenversatz an, der zweite die Bildpunktverschiebung in der Zeile und die weiteren Zähler laufen jeweils bis zum Zeilenende bzw. zur letzten Zeile des Teilbildes mit.If the control of the buffer memory is additionally provided with four loadable registers or counters 40, partial images of various formats can be used as the source and can be inserted at any point in the overall image, since the starting point of the partial image (top left corner) can be preset by suitably setting the counters 40. can be determined relative to the overall picture. One counter indicates the line offset, the second the pixel shift in the line and the further counters run along to the end of the line or to the last line of the field.

Die Zähler 40 werden entsprechend der Bildgröße und der gewünschten Bildlage im Gesamtbild über die Datensammelleitungen (Bus) 41 vorbesetzt.The counters 40 are preset according to the picture size and the desired picture position in the overall picture via the data bus 41.

Die durch den Maskenspeicher 21 vorgegebenen Steuerin­formationen veranlassen schließlich in der Steuerung des Pufferspeichers 11 bis 19, daß der Grauwert bzw. Farbwert des gerade darzustellenden Bildpunktes von der ausgewählten Quelle über die Datensammelleitung 42 zur Interface-Schaltung 25 weitergeleitet wird.The control information predetermined by the mask memory 21 finally causes in the control of the buffer memory 11 to 19 that the gray value or color value of the pixel to be displayed is passed on from the selected source via the data collection line 42 to the interface circuit 25.

An die Interface-Schaltung 25 werden somit Bildpunkt für Bildpunkt die Grauwerte bzw. Farben übertragen, wie sie fortlaufend für die Darstellung benötigt werden. Dabei spielt es von der Anordnung her keine Rolle, welche Größe das Gesamtbild im Verhältnis zur Größe der Teilbilder hat und wie die Teilbilder bzw. Teile der Teilbilder zusammengesetzt werden.The gray values or colors are transmitted to the interface circuit 25 pixel by pixel as they are continuously required for the display. Regarding the arrangement, it does not matter what size the overall picture has in relation to the size of the drawing files and how the drawing files or parts of the drawing files are put together.

Mit der beschriebenen Einrichtung läßt sich beispiels­weise an beliebigen Stellen des Bildschirms Text einblenden, und zwar entweder "ins Leere" oder über bereits definierte Teilbilder. Bei einer anderen Anwendung, bei der die Quellen von verschiedenen Fernsehkameras gebildet sind, die an unterschiedlichen Orten aufgestellt und/oder mit unterschiedlichen Blickwinkeln ausgerichtet sind, läßt sich auf dem Bildschirm durch Zusammensetzen der gewonnenen Teilbilder ein "Panoramabild" auf dem Bildschirm darstellen. Davon unabhängig oder zusätzlich kann ein entsprechender Kartenausschnitt in die Gesamtdar­stellung eingeblendet werden, in welcher die Blick­richtung der Fernsehkamera als Pfeil oder dgl. darstellbar ist. Durch Markieren einer gewünsch­ten Richtung auf dem abgebildeten Kartenausschnitt mittels Lichtgriffel, durch Berühren oder dgl. läßt sich die Kamera in diese Richtung schwenken.With the described device, for example, text can be faded in at any point on the screen, either "into space" or via already defined drawing files. In another application, in which the sources are formed by different television cameras, which are set up at different locations and / or are aligned with different viewing angles, a "panoramic image" can be displayed on the screen by combining the partial images obtained. Irrespective of this or in addition, a corresponding map section can be shown in the overall display, in which the viewing direction of the television camera as an arrow or Like. Can be represented. The camera can be swiveled in this direction by marking a desired direction on the map section shown using a light pen, by touching or the like.

Claims (12)

1. Verfahren zur Darstellung auf einem Bildschirm eines Bildschirmgerätes eines Gesamtbildes, das aus mehreren natürlichen und/oder synthetischen, von verschiedenen Quellen generierten Teilbildern zusammengesetzt ist, dadurch gekennzeich­net, daß die Teilbilder erst zum Zeitpunkt der zeilenweisen Wiedergabe bzw. Darstellung auf dem Bildschirm stückweise zusammengesetzt werden, indem aus verschiedenen, den einzelnen Quellen zugeordneten Speichern videoschnell eine jedem Teilbild entsprechende Anzahl von Bildpunkten herausgelesen wird und dieser Vorgang von Zeile zu Zeile wiederholt wird.1. A method for displaying on a screen of a screen device of an overall image, which is composed of several natural and / or synthetic partial images generated by different sources, characterized in that the partial images are only pieced together at the time of line-by-line reproduction or display on the screen are obtained by video-reading a number of pixels corresponding to each field from various memories assigned to the individual sources and repeating this process from line to line. 2. Verfahren nach Anspruch 1, dadurch gekenn­zeichnet, daß die den einzelnen Quellen zugeordneten Speicher asynchron zu dem Auslesetakt beschrieben werden.2. The method according to claim 1, characterized in that the memories assigned to the individual sources are written asynchronously to the read clock. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß an beliebigen Stellen des Bildschirms Text eingeblendet wird und zwar entweder in "leere" oder über bereits definierte Teilbilder.3. The method according to claim 1 or 2, characterized in that text is superimposed at any point on the screen, either in "empty" or over already defined drawing files. 4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Bildpunktrate beim Auslesen sich wesentlich von der des Einlesens der einzelnen Teilbilder unterscheidet.4. The method according to any one of claims 1 to 3, characterized in that the pixel rate when reading differs significantly from that of reading the individual fields. 5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die einzelnen Teilbilder den Bildern mehrerer in unterschiedlichen Blickwinkeln auf ein Objekt, einen Landschaftsausschnitt oder dgl. gerichteter Kameras entsprechen, um eine Gesamtdarstellung mit größerem als dem natürlichen Betrachtungswinkel auf dem Bildschirm zu realisieren, in welcher die einzelnen Teilbilder entsprechend der Wirklich­keit lückenlos nebeneinander oder übereinander angeordnet werden.5. The method according to any one of claims 1 to 4, characterized in that the individual partial images correspond to the images of several at different angles on an object, a landscape section or the like. Directed cameras to an overall display with a larger than the natural viewing angle on the screen Realize in which the individual drawing files are arranged side by side or one above the other according to reality. 6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß auf dem einen Teil des Bildschirms ein von Fernsehkame­ras in horizontaler Blickrichtung aufgenommener Landschaftsausschnitt und gleichzeitig auf einem anderen Teil des Bildschirms der zugehörige Ausschnit aus einer Landkarte dargestellt werden.6. The method according to any one of claims 1 to 5, characterized in that on one part of the screen a landscape section taken by television cameras in the horizontal viewing direction and at the same time on another part of the screen the associated section from a map are shown. 7. Verfahren nach Anspruch 6, dadurch gekenn­zeichnet, daß bei schwenkbarer Anordnung der Kamera(s) die Blickrichtung der Kamera(s) in Form eines Pfeils oder eines anderen Symbols auf der Kartendarstellung eingeblendet wird.7. The method according to claim 6, characterized in that with a pivotable arrangement of the camera (s), the viewing direction of the camera (s) in the form of an arrow or another symbol is shown on the map display. 8. Verfahren nach Anspruch 6, dadurch gekenn­zeichnet, daß bei schwenkbarer Anordnung der Kamera(s) durch Markieren einer Richtung auf der Kartendarstellung mittels Lichtgriffel, berührungsempfindlichen Schirm oder sonstiger Steuerung die Kamera(s) automatisch in dieser Richtung geschwenkt wird.8. The method according to claim 6, characterized in that with pivotable arrangement of the camera (s) by marking a direction on the map by means of light pen, touch-sensitive screen or other control, the camera (s) is automatically pivoted in this direction. 9. Einrichtung zur Darstellung auf einem Bildschirm eines Bildschirmgerätes eines Gesamtbildes, das aus mehreren natürlichen und/oder syntheti­schen, von verschiedenen Quellen generierten Teilbildern zusammengesetzt ist, dadurch ge­kennzeichnet,
daß jeder Quelle (1,2,3) ein Speicher (11 bis 19) zugeordnet ist,
daß ein von einem Steuerrechner (24) aus ladbarer Maskenspeicher (21) vorgesehen ist, dessen parallel auslesbare Datenbreite (Datenwort der Anzahl der Quellen entspricht und daß je Datenwort gerade ein Bit gesetzt ist,
daß ein Steuernetzwerk (23) vorgesehen ist, in welches der Inhalt des Maskenspeichers (21) mit Bildpunktfrequenz eingespeist wird, und
daß ein Ausgangsregister (22) des Maskenspeichers (21) mit dem Steuerteil (31 bis 39) des Spei­chers (11 bis 19) jeder Quelle (1,2,3) verbunden ist.9. Device for displaying on a screen of a screen device of an overall image, which is composed of several natural and / or synthetic partial images generated by different sources, characterized in that
that each source (1, 2, 3) is assigned a memory (11 to 19),
that a mask memory (21) loadable from a control computer (24) is provided, the data width of which can be read out in parallel (data word corresponds to the number of sources) and that one bit is currently set for each data word,
that a control network (23) is provided, into which the content of the mask memory (21) is fed at pixel frequency, and
that an output register (22) of the mask memory (21) is connected to the control part (31 to 39) of the memory (11 to 19) of each source (1,2,3). 10.Einrichtung nach Anspruch 9, dadurch gekenn­zeichnet, daß die Quellen Fernsehkameras (1) und/oder Rastergraphik-Generatoren (2) und/oder Massenspeicher (3) enthaltend digitale Bilddaten sind.10.Device according to claim 9, characterized in that the sources television cameras (1) and / or raster graphics generators (2) and / or Mass storage (3) containing digital image data. 11.Einrichtung nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß der Bildschirm zur Wiedergabe einer größeren Anzahl von Bildpunk­ten ausgelegt ist, als sie jede einzelne Quelle (1,2,3) bereitstellen kann.11. Device according to claim 9 or 10, characterized in that the screen is designed to display a larger number of pixels than it can provide each individual source (1,2,3). 12.Einrichtung nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß als Quellen mehrere aufeinander in entsprechenden Blickwinkeln justierte Kameras (1) so angeordnet sind, daß sie lückenlos nebeneinander oder unterein­ander ein Bild eines Objektes, einer Landschaft oder dgl. als Gesamtbild mit einem wesentlich größeren Betrachtungswinkel als dem natürlichen auf dem Bildschirm darstellen.12.Device according to one of claims 9 to 11, characterized in that a plurality of cameras (1) adjusted to one another at corresponding viewing angles are arranged as sources so that they have an image of an object, a landscape or the like as an overall image without juxtaposition display a much larger viewing angle than the natural one on the screen.
EP88101043A 1987-01-26 1988-01-25 Device for displaying a composite image Expired - Lifetime EP0276800B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3702220 1987-01-26
DE19873702220 DE3702220A1 (en) 1987-01-26 1987-01-26 METHOD AND DEVICE FOR DISPLAYING A TOTAL IMAGE ON A SCREEN OF A DISPLAY DEVICE

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EP0276800A2 true EP0276800A2 (en) 1988-08-03
EP0276800A3 EP0276800A3 (en) 1990-03-28
EP0276800B1 EP0276800B1 (en) 1994-06-08

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EP88101043A Expired - Lifetime EP0276800B1 (en) 1987-01-26 1988-01-25 Device for displaying a composite image

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EP (1) EP0276800B1 (en)
DE (2) DE3702220A1 (en)
HK (1) HK1002718A1 (en)

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Also Published As

Publication number Publication date
DE3889934D1 (en) 1994-07-14
DE3702220A1 (en) 1988-08-04
DE3702220C2 (en) 1992-08-13
EP0276800B1 (en) 1994-06-08
US4876600A (en) 1989-10-24
EP0276800A3 (en) 1990-03-28
HK1002718A1 (en) 1998-09-11

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