EP0375561B1 - Générateur d'images pour un simulateur de tir - Google Patents

Générateur d'images pour un simulateur de tir Download PDF

Info

Publication number
EP0375561B1
EP0375561B1 EP19890403623 EP89403623A EP0375561B1 EP 0375561 B1 EP0375561 B1 EP 0375561B1 EP 19890403623 EP19890403623 EP 19890403623 EP 89403623 A EP89403623 A EP 89403623A EP 0375561 B1 EP0375561 B1 EP 0375561B1
Authority
EP
European Patent Office
Prior art keywords
generator
memory
landscape
memories
local
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.)
Expired - Lifetime
Application number
EP19890403623
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0375561A1 (fr
Inventor
Jean Grillon
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0375561A1 publication Critical patent/EP0375561A1/fr
Application granted granted Critical
Publication of EP0375561B1 publication Critical patent/EP0375561B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
    • F41G3/2616—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device
    • F41G3/2694—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating a target

Definitions

  • the present invention relates to an image generator for a shooting simulator.
  • French Patent 2,141,124 discloses an image generator device for a simulator such as a cannon fire simulator.
  • a simulator such as a cannon fire simulator.
  • Such an image generator makes it possible to represent in real time the landscape images seen by the shooter for any movement of the cannon, and to embed target images therein.
  • this known device makes it possible to represent only one target at a time, at the center of the image produced.
  • the scrolling of the image, simulating the angular displacements of the cannon relative to the landscape represented on this image is done by shifting the synchronization of the monitor on which this image is viewed.
  • Such a method does not allow large amplitude cannon movements to be carried out.
  • the subject of the present invention is an image generator device for a simulator of the aforementioned type, device which makes it possible to view images of various landscapes and with a large optical field in which several different moving targets with different trajectories can appear simultaneously, this device being as inexpensive as possible.
  • the image generator device is of the type comprising a central mass memory memorizing images of different types which can be mutually obscured, as well as data relating to these images, this central memory being connected to secondary memories say local, including a local landscape memory, characterized in that the other local memories include a memory of distances to the observer from different points of a landscape and several individual memories of moving objects, each local memory comprising a generator determining window in this stores the dimensions of a viewing window, and an address generator determining the location of this window relative to the viewing screen.
  • the memories of distances of points of a landscape, of landscape and of mobile objects are connected to a digital mixer whose output is connected to a graphic generator, itself connected to a device of visualization.
  • a special effects generator is inserted between the digital mixer and the graphic generator.
  • the image production device described below is intended for a firing simulator, for example simulating a small caliber cannon firing post mounted on a light vehicle, or a portable missile launcher.
  • a firing simulator for example simulating a small caliber cannon firing post mounted on a light vehicle, or a portable missile launcher.
  • Such a simulator essentially comprises a mechanical part reproducing the shooting station as closely as possible, and a display part comprising an image production device and at least one display screen.
  • Position sensors are arranged on the simulated weapon of the shooting station to control the scrolling of the landscape images as a function of the movements of this weapon, these images being produced by the image production device.
  • the invention relates to the image production device, the other elements of the simulator may be elements usually used in such a simulator, and will not be described in detail below.
  • the image production device 1 shown diagrammatically in the drawing comprises a mass memory 2, preferably of digital type.
  • memory 2 we store: different landscape images, different target images, and different data relating to these images: distances to the observer from their characteristic points (vertical objects, obstacles, sudden changes in relief, etc ... ) as well as visibility conditions (day / night, fog ).
  • the mass memory 2 is connected to: a local memory of distances 3, a local memory of landscapes 4 and to a set 5 of local individual memories of targets.
  • the memories of the set 5 are connected, each via a generator of local effects and telemetry, to a corresponding input of a priority decoder 6.
  • the set of generators of local effects and telemetry is referenced 7.
  • Local effects can for example be "grass effects” created at the base of land vehicles to make their movements more realistic and better visible.
  • a firing effects generator 8 is also connected to the decoder 6. In the preferred embodiment, this generator 8 is organized in the same way as one of the memories 5.
  • the outputs of memories 3 and 4 and of decoder 6 are connected to a digital mixer 9.
  • the mixer 9 is connected via a special effects generator 10 to a graphics processor 11.
  • the processor 11 is connected to a display monitor 12 d student pilot and an instructor monitor 13.
  • a central computer 14 controls the various elements 2 to 11, and is connected to a sequencer 15 which distributes sequencing signals to all these elements 2 to 11, signals which it elaborates from the computer clock signal. These sequencing signals are developed, in a manner well known per se, to control the synchronous operation of the aforementioned elements. These are clock signals, reset registers, load registers, etc.
  • the computer 14 is also connected to a program memory 16 which contains the program for controlling the various elements of the simulator, as well as various programs training "scenarios".
  • Each of the local memories 3,4, each target memory 5 and the generator 8, comprise an address generator GA and a window generator GF.
  • Each window generator GF determines in the corresponding memory a window whose content is intended to be viewed on the devices 12, 13. It determines in particular the horizontal and vertical dimensions of this window.
  • the address generator GA determines the location of this window relative to the display screen. For example, it provides the coordinates of the upper left corner of this window to the GF generator.
  • the address generators of memories 3 and 4 are controlled as a function of the orientation of the simulator weapon, thanks to the position sensors fixed to this weapon.
  • the address generators of the memories 5 are controlled by the above-mentioned "scenario” program and / or by an instructor by means of a data input keyboard 17, or similar device, connected to the computer 14.
  • the memory window generators 3 and 4 are controlled by the student pilot using a device 18 for entering data such as a "joystick” also connected to the computer 14.
  • the memory window generators 5 are controlled by the scenario program and / or by the instructor thanks to his device 18.
  • the priority decoder 6 makes it possible to determine, when at least part of the pixels of two or more targets have the same coordinates, which is the target or part of the target which is masked by another target closer to the observer, and it the same is true of the firing effect images of the generator 8. This is possible thanks to the fact that the memories 5 and the generator 8 contain, in addition to the coordinates and values of the pixels of the images of targets and firing effects, the distances to the observer of these pixels.
  • the generators 7 produce, in a manner known per se, local effects, for example "grass effects” for land vehicles in order to better visualize their displacement compared to the terrain on which they operate, by masking the lower part of these vehicles with undulating vegetation in the form of grass.
  • these generators 7 have a telemetry function making it possible to determine the interactions of the firing effects and of the targets near the points of impact, or at these points, projectiles supposed to have been fired by the student pilot: partial destruction or complete targets according to their distance from these impact points.
  • This function essentially consists in comparing the coordinates on the visualized ground (knowing the distance to the observer and the bearing of the targets and impact points) and according to the relative distances on the ground of these elements, to delete a part or all the pixels of these targets just after viewing the firing effect when these distances are within given limits. It is also possible to do the same for elements of the landscape (more or less significant destruction of buildings and trees).
  • the memory 4 provides the mixer 9 with the values and coordinates on the screen for displaying the pixels of the landscape portion selected by the address generator and the window generator of this memory.
  • the memory 3 provides the mixer 9 with the distances to the observer (the student pilot in this case) of the different remarkable parts of the same landscape portion as that relating to the memory 4, but selected here by the address generator and the memory window generator 3. These distance values are also supplied to the special effects generator 10.
  • These remarkable parts of the landscape generally have vertical lines, such as trees, walls, posts. These remarkable parts can also be areas of land with abrupt transitions: border between two fields with different cultures, edge of a pond, banks of a river, steep edge of a mound, etc.
  • the decoder 6 supplies the mixer 9 with the values and coordinates on the screen of the pixels of targets and / or firing effects, as well as the distances of the observer from these elements.
  • the mixer 9 sorts the landscape elements not masked by targets, and target elements not masked by landscape elements, therefore visible to the observer.
  • the generator 10 of special effects intervenes, if necessary, on the light intensity of the pixels coming from the mixer 9. For example, if a special effect is the fog, this fog is all the more intense as the place where it is supposed to prevail is further from the observer, so the weakening of the light intensity of the corresponding pixels is all the higher. This is made possible by the fact that this generator simultaneously receives the value of the pixels and their distance from the observer. Of course, as specified above, this distance information is provided for all the pixels of a portion of the landscape selected by a display window.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Or Creating Images (AREA)
EP19890403623 1988-12-23 1989-12-22 Générateur d'images pour un simulateur de tir Expired - Lifetime EP0375561B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8817082 1988-12-23
FR8817082A FR2641884A1 (fr) 1988-12-23 1988-12-23 Generateur d'images pour un simulateur de tir

Publications (2)

Publication Number Publication Date
EP0375561A1 EP0375561A1 (fr) 1990-06-27
EP0375561B1 true EP0375561B1 (fr) 1994-06-01

Family

ID=9373345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890403623 Expired - Lifetime EP0375561B1 (fr) 1988-12-23 1989-12-22 Générateur d'images pour un simulateur de tir

Country Status (3)

Country Link
EP (1) EP0375561B1 (enrdf_load_stackoverflow)
DE (1) DE68915721T2 (enrdf_load_stackoverflow)
FR (1) FR2641884A1 (enrdf_load_stackoverflow)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209832A (en) * 1978-06-13 1980-06-24 Chrysler Corporation Computer-generated display for a fire control combat simulator
DE3133866C2 (de) * 1981-08-27 1986-02-20 Honeywell Gmbh, 6050 Offenbach Verfahren zur Sichtsimulation
DE3204134C2 (de) * 1982-02-06 1986-09-04 Honeywell Gmbh, 6050 Offenbach Vorrichtung zur Erzeugung eines Monitorbildes als beliebiger Teilausschnitt aus einem Großbild
EP0152499B1 (de) * 1984-02-17 1988-12-07 Honeywell Regelsysteme GmbH Vorrichtung zur Sichtsimulation
FR2577097B1 (fr) * 1985-01-31 1987-03-20 Thomson Csf Systeme numerique d'incrustation et de masquage de cibles mobiles dans une image de paysage
FR2583866B1 (fr) * 1985-06-21 1989-04-28 Thomson Csf Procede de simulation de cibles, mobiles et masquables dans un paysage, pour l'entrainement au tir, en roulant et dispositif de mise en oeuvre.
DE3702288A1 (de) * 1986-01-28 1987-07-30 Barr & Stroud Ltd Schiessuebungsanlage

Also Published As

Publication number Publication date
FR2641884A1 (fr) 1990-07-20
EP0375561A1 (fr) 1990-06-27
DE68915721T2 (de) 1994-09-29
DE68915721D1 (de) 1994-07-07
FR2641884B1 (enrdf_load_stackoverflow) 1994-07-13

Similar Documents

Publication Publication Date Title
EP0068937B1 (fr) Procédé de formation d'une cible fictive dans un appareil pour l'entraînement au pointage de cibles
US6875019B2 (en) Naval virtual target range system
US5015188A (en) Three dimensional tactical element situation (3DTES) display
CN112446935A (zh) 存储内容和ar通信的本地传感器加强
Saint-Amour Applied modernism: Military and civilian uses of the aerial photomosaic
FR2731542A1 (fr) Appareil et procede de simulation
Smelik et al. Declarative terrain modeling for military training games
US20090019382A1 (en) Systems and methods for side angle radar training and simulation
Ibanez et al. Tectonic geoheritage as records of Western Gondwana history: A study based on a geosite’s potential in the Central Ribeira Belt, Southeastern Brazil
Syrris et al. Mosaicking Copernicus Sentinel-1 data at global scale
EP0375561B1 (fr) Générateur d'images pour un simulateur de tir
Corson et al. Geotechnology, the US military, and war
FR3098602A1 (fr) Procede de determination de la couverture spatiale d'un systeme de detection
US20090305198A1 (en) Gunnery training device using a weapon
Wilson Out to the waste: Spadeadam and the Cold War
Le Goff et al. Evolution of SE-Workbench-EO to generate synthetic EO/IR image data sets for machine learning
US20070242065A1 (en) Target acquisition training system and method
Aldred The aerial imagination
Kaplan Desert Wars: Virilio and the Limits of ‘Genuine Knowledge.’
Jolly Composite propaganda photographs during the first world war
Bess Image generation implications for networked tactical training systems
Powell et al. Analysis of Vegetation as Terrain: The" How" and" Why" of US Army Doctrine
Siotto New Eyes for the Army: How Scientists, Photographers, and Artists Reshaped Military Understanding of the Battlefield in the Great War
Colbert et al. Engineering visualization
FR2968113A1 (fr) Procede de simulation de tirs au-dela de la vue directe et simulateur de tirs apte a mettre en oeuvre le procede

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE GB LI

17P Request for examination filed

Effective date: 19901108

17Q First examination report despatched

Effective date: 19920414

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THOMSON-CSF

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE GB LI

REF Corresponds to:

Ref document number: 68915721

Country of ref document: DE

Date of ref document: 19940707

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19940624

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19961119

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19961120

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19961210

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971222

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971231

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971231

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19971222

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980901