EP2486466A1 - Arrangement and method for visually representing scenes, corresponding computer program and corresponding computer-readable storage medium - Google Patents

Abstract

The invention relates to an arrangement and a method for performing an interactive simulation, to a corresponding computer program, and to a corresponding computer-readable storage medium, all of which can be used with patients in particular in the therapeutic and medical area in the course of neurological, neuropsychological, and psychological diagnosis and therapy. To this end, an arrangement for interactive simulation is provided, comprising means for visually displaying scenes using visualization elements, a rotatable placement area for test subjects, at least one data processing device for generating and/or controlling at least the visual display, and means for data entry for controlling the simulation. The visualization elements are arranged in a substantially closed ring or polygon without rotating relative to the real world. At least part of the visualization elements is arranged in a pivoting or foldable manner in the ring or polygon, and can be removed from and/or displaced on the ring or polygon of the visualization elements. Alternatively or additionally, the ring or the polygon of the visualization elements is at least partially displaceable, preferably slidable, pivotable, and/or foldable relative to the rotating placement area.

Description

Arrangement and method for visual presentation of scenes and a corresponding computer program and a corresponding

computer readable storage medium

The invention relates to an arrangement and a method for

Performing an interactive simulation and a corresponding computer program and a corresponding computer-readable

Storage medium, which are particularly applicable in the field of virtual reality, where patients, subjects or players with

Computers and related tools to give the impression of being in a real environment. Specifically, there is the possibility of the described invention in the therapeutic and medical field in the context of neurological,

neuropsychological and psychological diagnosis and therapy with patients.

Virtual reality is an interactive computer technology that creates the illusion of experiencing an artificial world in a realistic way. Virtual realities are thus technically generated simulations of dynamic and interactively influenceable environments. An experimenter should feel immersed in such a virtual environment (immersion) and experience the virtual environmental situation as real. From such a situation of real experience, natural action can be motivated. Human action control is a function of the central nervous system. Immersive, virtual reality can therefore create a close coupling loop between technical simulation, physiological perception, and cognitive

Processing, executed action, technical reaction and thereby triggered changes in the experiential, physiological

Perception. This coupling loop is of great importance for medical and psychological practice in two ways: for therapy and for diagnosis.

The importance of immersive, virtual reality for therapeutic purposes is shown below. Actions create changes in the virtual environment that can be predictable. The possibility with the underlying simulation algorithms To be able to trigger predictable action consequences is the

The basis for an experimenter to learn the structure and rules of the virtual environment. The type of programmed simulation can be used to address very specific learning processes. Learning often requires multiple repetitions, which can take place in real life in very different situations. Simple learning programs can quickly be experienced as repetitive and boring. This reduces the motivation and thus the learning success. Immersive, virtual realities can minimize these problems of technically controlled learning by using the simulations

Create learning experiences in a life-like diversity. Of particular importance is the following. In particular, when the intensity of immersion in the virtual world is experienced as highly real, mechanisms of the brain may be present in the brain

Information processing and learning mechanisms in one strength

be addressed, as it occurs otherwise only in situations of intense, real experience. Because of this fact, the method of learning stimulation with immersive, virtual reality is the only existing method to evoke certain forms of learning by purely technical means. This can be used for therapeutic purposes.

The importance of immersive, virtual reality for the diagnosis of neurological or neuropsychological functions is shown below. Individual behavioral reactions to standardized test situations can be evaluated diagnostically. Again, the immersive virtual reality as a unique method can enable certain diagnoses. Higher brain functions for complex cognitive functions are, for example, via the prefrontal cortex in

Interacting with other brain regions. Such brain functions are activated when the specific situation from which it is necessary to act is itself highly complex. This is the case, for example, when an action situation involves complex temporal, spatial and emotionally relevant information

is characterized. Such information comes in part as experience from the past, and also consists of the immediate

Experience sequence, which may include a longer time interval. In particular, this aspect of the real experience can be poorly implemented by written diagnostic tests. This results in a uniqueness of test methods based on immersive, virtual reality for certain, higher cognitive functions or mechanisms of neuropsychological processing.

The use of immersive virtual reality offers unique opportunities for medical and neuropsychological diagnosis and therapy. This results in a need for one

Device with which such diagnostic and therapeutic procedures can be realized with high experienced immersion and with low costs and space requirements.

Virtual reality for diagnosis, rehabilitation and therapy:

Practices based on the use of virtual reality are widely used to develop and improve the ability to control machines, vehicles, aircraft, military technology and also surgical instruments in medical operations. What is new is the use of virtual reality as a procedure for the diagnosis, therapy and rehabilitation of neurological, psychiatric and mental disorders (Rose et al 2005, Holden 2005, Standen & Brown 2005, Kunze et al., 2003). The effectiveness of

Methods using virtual reality for diagnostic, therapeutic and rehabilitative purposes have been demonstrated in many forms of neurological, psychiatric or psychological behavioral impairment (e.g., Crosie et al., 2007,

Eichenberg 2007, Gregg & Tarrier 2007, Holden & Todorov 2002, Holden 2005, Krijn et al. 2004, Riva 2005, Rose et al. 2001, Rose et al.

2005, Standen & Brown 2005, Wolitzky-Taylor et al. 2008). Examples are the following.

People with motor disorders or paresia can learn motor skills in virtual reality and transfer this acquired ability into the real world (Holden 2005).

Stroke-impairing hand motor skills are significantly improved after visual rehabilitation using visually feedback CyberGlove actions in visual virtual space (Boian et al 2002, Holden et al., 1999). In virtual reality therapy, for example, hand and foot positions are monitored with 6-DOF (degree-of-freedom) position sensors. One type of task may be imitating movements of a humanoid virtual real teacher (avatar). The role model movements of

Avatars are imitated and automatically monitored by the patient and can therefore interact with the current needs of the patient

Patients are discontinued. If the corresponding body part is provided with a sensor, ultimately any motor can

Willful action become the cause of a reaction of the virtual reality and thus be trained.

Stroke induced visual neglect can be over the

Evaluation of search patterns and kinematics of hand movements in virtual reality differentiated diagnose than with

Standard "pencil-and-paper" testing is possible (Broeren et al., 2007). The virtual-reality projection of hand actions into the extra-personal space affected by neglect can improve performance to a level that is unaffected by

peripersonal space (Castiello et al., 2004).

Executive functions organize the planning of action through the sequence of behavioral elements, they determine behavioral strategies and

allow mental flexibility. Damage to the prefrontal cortex often leads to dysfunction. Neuropsychological tests of executive dysfunction in virtual reality, based on the 'Wisconsin Card Sorting Test' or the 'multiple errands test', show executive dysfunction better than the standard tests (e.g., Pugnetti et al., 1998, McGeorge et al., 2001).

Memory skills can be both trained in the virtual space, as well as query. Tests in virtual reality allow the impairment of spatial memory to differentiate between ego and allocentric effects as for hippocampal vs. parietal brain damage typical (Less et al., 2009). The

Orientation ability in the building of a rehabilitation facility can treat patients with memory loss (amnesia) through training in

virtual reality (Brooks et al.

1999a). The interaction with a virtual reality can help amnestic patients in particular those Memory contents that were experienced as a result of an active (motor) interaction (Brooks et al., 1999b).

Other applications include depressive patients whose

Impact on their cognitive spatial orientation skills in virtual reality is better captured than with standard techniques (Gould et al., 2007). The response of patients with Parkinson's disease to a multistage visual-motor learning task in virtual reality allows the diagnosis of selective deficits (Messier et al., 2007). Perceptual disturbances in the spatial allocation of visual and acoustic stimuli, such as occur in part in schizophrenia, can be tested in virtual reality in a standardized manner. VR rehabilitation can be a step towards a more independent life for mentally handicapped people by learning skills in the areas of shopping, food preparation, spatial orientation, safe road behavior and craft activities. After brain trauma, similar virtual reality training interactions can be part of rehabilitation.

Certain phobias can lead to therapeutic success with exposure therapies by generating anxiety in therapeutic and patient-controlled, immersive virtual reality: Höhe (Kuntze et al.

2003, Emmelkamp et al. 2002), Spinning (Hoffman et al., 2003), Flying

(Wiederhold et al., 2003), driving (Walshe et al., 2003), Social (Roy et al., 2003). Such exposure therapy may also be part of a therapy for post-traumatic stress disorder (PTSD)

(Rothbaum et al., 2001).

The patent US 5,736,986 describes a general method of using virtual reality as a method of mental

Conditioning also with the aim of causing desired neurological or physiological changes in the body. The

US Pat. No. 6,425,764 describes a general method using immersion therapy based on virtual reality for the treatment of psychological, psychiatric, medical,

Educational and self-help problems. The publication DE10109004A1 describes methods and arrangements for producing near-natural

Perceptions through adequate physiological stimulation. These Techniques can be used as the basis for immersive virtual reality methods and applications.

Devices and / or methods for achieving a high

Intensity as reality-experienced virtual reality:

The effectiveness of devices and / or methods in which virtual reality is used as part of a procedure for the diagnosis, rehabilitation or therapy of neurological, psychiatric and mental disorders depends inter alia on the intensity with which a person experiences the virtual experience Perceives reality as psychophysically involved. These

Psychophysical integration is referred to as experienced immersion.

The experience of immersion is not very high when a person sits in front of a screen or even a projection screen with a wide, horizontal field of view; in [Sellen 1998] becomes one

Experimental set-up presenting the virtual environment presented, which includes a semi-cylindrical screen for projection. The subject sits in this arrangement on a fixed chair in the center of the screen and has a horizontal field of view of 180 °. The projection is changed by means of an input device.

Head-mounted displays (HMDs) are head-worn and

Headphone systems that present an artificially created audiovisual world. The connection with a "head tracking" technology allows the freely moving within the space boundaries (rotation and translation) person always the image section of the current

Viewing the screens of the HMD gets presented (for example, VENLab in Tarr & Warren 2002, patent specifications US 5,572,229 to US 7, 522, 344).

In a room with all-round exterior wall projection, a so-called CAVE (cave automatic virtual environment, see

http://en.wikipedia.org/wiki/Cave Automatic Virtual Environment), the displayed perspective is adapted to the position of the free-moving subject within the CAVE space. Stereoscopic view is via polarizing filter or LCD shutter technology allows. The publication DE102006030923A1 describes a projection room with five or more areas of 3 to 20 meters

Edge length per area with interior projection for interactive

Presentation of virtual reality consisting of standard building blocks.

In the following devices, the locomotion of a person within the virtual reality is not through the walls of one

enclosed space, as it is on a

omnidirectional running compensator is located. The patent US

5,562,572 discloses an omnidirectional treadmill on which

horizontal X and Y components of the translational motion of a person can be compensated independently, so that the person despite free locomotion in the center of the omnidirectional

Treadmill can be kept. This may be coupled according to claim 11 with the audiovisual presentation of a virtual reality. Patent US 6,135,928 discloses a spherical

Laufkompensator on the ball top a freely movable person according to claims 26 and 27, the signals for movement in one

Application generated with virtual reality. Patent US 5,846,134 discloses a hollow spherical Laufkompensator with 7 to 10 meters in diameter on the inside of a person moves freely, while presented via an HMD virtual reality from the current positron and perspective. The document US 2006 0183601 discloses a locomotion interface for virtual

Reality in the case of a fixed person Lokomotionsbewegungen a pressure sensor mat as an interface for the generation of a

Can generate locomotion signal for the virtual reality.

The publication DE19640730A1 describes a flight simulator whose simulator capsule has at the window positions monitors for the presentation of virtual reality and which is part of a centrifuge for generating centrifugal forces and accelerations.

US 5,515,078 relates to a system for detecting position information and displaying a virtual reality based on the position information, with a base and chair that can be rotated by the user with respect to the base; a monitor that communicating with chair; a measuring device for determining the orientation of the chair; Input means associated with the chair.

The document WO 00/60857 describes an image display system with a projector for the projection of composite video images onto a projection surface, wherein it is at least a part of the

Composite video images are perspective corrected, spherical video images. According to claim 6, the projection surface is a cylindrical projection surface; according to claim 7 is the

Projection surface of a plurality of projection surfaces.

The publication WO 97/22909 discloses a panoramic display system with stationary display device and a stage-like, rotating support on which several people stand or can move freely. According to claim 5, the rotating support comprises a chair mounted thereon.

It can be summarized that many individual examples successfully demonstrate that virtual reality-based methods are suitable and effective for diagnostic and therapeutic use in neurology, psychiatry, psychology and psychotherapy. In addition, many methods have been described for creating immersive, virtual reality. Nevertheless, it can be seen that the previous applications of virtual reality in neurology, psychiatry, psychology and psychotherapy

for the most part have the character of research projects carried out in specially and individually equipped research institutes. At present, it can not be said that the widespread use of virtual reality as part of the catalog of measures for diagnosis and therapy remunerated by the health insurance companies

neurological, psychiatric and mental disorders is imminent.

This is partly due to the fact that previous orders and

Prior art methods of presenting virtual reality have one or more of the following disadvantages. They are technically very complex and therefore very expensive. You need a lot Space for a ready-to-use installation. The device is permanently installed in a room and can not be transported once the installation has been completed. A person must be strapped into a locomotion interface, which can be problematic for those with physical and / or mental disabilities. A disadvantage may be the unwanted weight load in the neck and head area, which is particularly problematic after suffering trauma in this area. One disadvantage can be the restriction of the viewing angle, which may only become apparent in the case of rapid head-side movements. A disadvantage may be that no form of self-locomotion is possible. A disadvantage may be that the degree of immersion achieved is low. A serious drawback may be the onset of nausea.

It is therefore an object of the invention to provide an arrangement and a method for the visual presentation of scenes and a corresponding

Computer program and a corresponding computer-readable

To provide storage medium, which avoid the disadvantages of the known solutions and with which, in particular when performing an interactive simulation, a high degree of immersion in the virtual reality is achieved.

This object is achieved by the features in the

Claims 1, and 10 to 13 solved. Advantageous embodiments of the invention are contained in the subclaims.

A particular advantage of the invention is that a high degree of immersion in the virtual reality is ensured for subjects when performing an interactive simulation. This is achieved by the invention according to the visual representation of scenes on visualization elements, wherein the

Visualization elements are arranged in a substantially closed ring or polygon within the array. The ring or the polygon of visualization elements is designed as a transportable unit in order to obtain the most compact possible arrangement. In order to carry out an interactive simulation, it is provided that the ring or the polygon of visualization elements has at least one rotatable location area for test persons, with at least one of them Data processing device for generating and / or controlling at least the visual representation and with at least one means for data input for controlling the simulation can be combined. The rotatable residence area is preferably arranged substantially in the center of the ring or polygon, so that in the

revolving lounge area resident proband the visual

Representations on as many visualization elements as possible can be perceived in the same way. In a preferred embodiment of

In the invention, the rotatable residence area is a swivel chair. In a further preferred embodiment of the invention, the ring or the polygon of visualization elements is installed in a monitor housing. The monitor housing preferably has at least one door through which the test person can enter the interior of the monitor housing. It proves to be advantageous if at least one of the at least one door

Visualization element is attached, which is removed when opening the door from the ring or polygon.

The invention is preferably used indoors. Therefore, it is envisaged to design the components of the arrangement such that they pass through a door from one room to another without effort

can be transported. In particular, it is provided that the dimensions of the components are chosen so that the components are passed through a door, such as a door. an apartment door or room door can be moved. For this purpose, it is provided in a further preferred embodiment that at least the ring or the polygon of the

Visualization elements or monitor housing as mobile

Unit is realized.

The invention provides an interactive simulation device comprising means for visual presentation of scenes of the simulation or of a virtual reality. The visual

Presentation of the scenes takes place on a variety of

Visualization elements, whereby it with the

 Visualization elements around monitors o. like. can act, which reflect the scenes. Alternatively, it may be at the

Visualization elements around projection surfaces, such as screens or the like. act on which the scenes with the help of a projector or projector be projected. According to the invention, the visualization elements form a substantially closed ring or a substantially closed polygon.

The device for interactive simulation according to the invention also includes a rotatable residence area for subjects. The subjects may be persons or animals. Preferably, the rotatable residence area is arranged substantially in the center of the ring or the polygon of the visualization elements.

This allows a presentation of the simulation or the scenes of virtual reality in a 360 ° panorama.

According to the invention, it is further provided that the ring or the polygon of the visualization elements with respect to the real environment

is arranged rotationally fixed. The device for interactive

Simulation is immovable at the place of use (with the exception of the rotatable residence area). This has the advantage that discomfort of the subjects is avoided, since by such

arranged arrangement in the simulation or in the virtual reality experienced rotations always with real rotations of the

Subjects agree. Subconscious consistency conflicts between visual and vestibular information are avoided by the invention. In addition, computationally, no rotations to match the simulation or virtual reality to the subject's rotational motions need to be performed, as is necessary, for example, when using HMDs, resulting in a significant reduction in computational effort.

As the ring or the polygon of the visualization elements at

Proper use of the device, preferably at eye level of the subjects positioned in the rotatable residence area

is arranged, the accessibility of the located within the ring or the polygon of the visualization elements rotatable

More difficult for a subject if no additional measures were taken. According to the invention it is therefore provided that the ring or the polygon at least one

Has visualization element, which can be removed from the ring, or which are moved relative to the ring or polygon can be, for example, moved, tilted, tilted or folded, so as to provide access to the interior of the ring or polygon. Alternatively, or in combination with it

provided that the ring or the polygon of the visualization elements with respect to the rotatable residence area can be at least partially moved, preferably moved, tilted, swung or folded. This makes it easier for a subject to get into the center of the ring or polygon. This is especially true for disabled subjects, e.g. are dependent on a wheelchair, important.

In a further preferred embodiment of the device according to the invention it is provided that the device comprises a bottom plate. The bottom plate has in a preferred embodiment, the rotatable residence area, for example in the form of a rotatable disc on. This rotatable disc may have receiving elements, for example, to be able to attach a wheelchair to the rotatable disc. Alternatively or additionally, the bottom plate may comprise means by means of which the rotatable residence area of the subject can be rotatably combined with the bottom plate. For example, an anchorage for a swivel chair may be provided in the floor panel.

According to the invention, the arrangement for simulation further comprises at least one data processing device for calculating, generating and / or controlling at least the visual representation of the scenes of the simulation or the virtual reality. The arrangement also comprises at least one means for inputting data in order to interactively influence the simulation or virtual reality. These means for data input may be a keyboard, a joystick, means for voice input or the like.

act. A brain-computer interface may also be provided as means for entering data. Preferably, at least one of the means for data entry with the rotatable residence area, in particular with the swivel chair, fixed or detachably connected. About the data input device, the subject can enter commands that the

Influence simulation or virtual reality (interactive). The simulation or the virtual reality can also by other means (interactively), as explained in more detail below. In a preferred embodiment, the inputs are processed or preprocessed by a computer which is connected to the rotatable residence area, in particular with the swivel chair, and subsequently to the data processing device for calculating, generating and / or controlling at least the visual representation of the scenes of the simulation or simulation of virtual reality.

Rotational movements of the rotatable residence area, in particular of the swivel chair, are detected by a rotation angle sensor and sent to the computer and / or the data processing device. Also by this sensor data is on the simulation or on the virtual reality depending on the orientation of the rotatable

Living area acted on. In this case, the data input via the at least one data input means is combined with the values detected by the rotation angle sensor in order to act on the simulation or virtual reality in the correct direction. Upon data entry into the at least one data entry means with which the subject is to be moved forward, the simulation responds by taking into account the input data and the angle values of the rotation angle sensor such that the actual orientation of the rotatable location area is taken into account. In addition, looks a favorable

Embodiment before that the rotatable residence area is rotated by a motor, wherein the motor is controlled via inputs to the at least one means for data input. Particularly advantageous is the use of such a motor-driven rotatable

Staying in the case that it is rotatable

Stay area around the rotatable disc for receiving a

Wheelchair acts. In order to ensure an unhindered mobility of the rotatable residence area is in a preferred

Embodiment of the invention provides that power supply and data transmission coupled to the rotatable location area devices such as the means for data input by a

Rotational contact can be realized. Alternatively or additionally, a wireless interface, for example a radio interface, and for the power supply batteries or rechargeable batteries may be provided for the data transmission. In order to be able to use the device for interactive simulation flexibly, in particular at different places of use, it is provided in a preferred embodiment that the device in FIG

Individual components can be dismantled. It makes sense to be the

Single components combined into functional groups. It proves to be advantageous that at least the ring or the polygon of the visualization elements and the rotatable residence area are separable from each other. Preferably, however, the bottom plate can be separated from the ring or the polygon of the visualization elements. It also proves to be advantageous if the base plate can be separated from the rotatable residence area, in particular if the rotatable residence area is a swivel chair. In order to minimize the external dimensions of the components in which the device according to the invention can be disassembled, it is provided in a preferred embodiment that the bottom plate has pivotable or foldable regions. By folding up such areas, the outer dimensions can be further reduced.

It is also envisaged that at least part of the

 Data processing devices can be disconnected from the device. It proves to be advantageous if the components into which the device according to the invention can be disassembled have such external dimensions that they can be easily transported through a door. Preferably, therefore, the outer dimensions of the components in two expansion directions (e.g., height and width) are at most about

2.50 m x 1.00 m, but preferably at most about 1.80 m x 0.70 m. The dimensions of the third expansion direction (e.g., length) are in principle not or only slightly limited by the specification of transportability, but for reasons of handleability should not be much greater than about 3.00 m.

A further preferred embodiment of the invention provides the ring or the polygon of visualization elements in one

Frame construction, a housing, an enclosure o. like. to arrange. The frame construction, the housing or the housing may be open constructions comprising only frames or support elements on which the ring or the polygon of the

Visualization elements is attached. The frame or the

But carrier elements can also be covered by surface elements, so that the frame construction, the housing or the enclosure forms a cabin that is at least partially opposite the environment

is shielded. Preferably, it is a cube or cuboid cabin. Inside the cabin, the ring or polygon of the visualization elements is arranged. The ring or the polygon of the visualization elements is preferably attached to the frame or the support elements of the wall of the cabin. The walls of the cabin are through in a preferred embodiment

Side elements formed. To allow access to the interior, at least one side member of the cab is removable, hinged, hinged or slidable. With the movement of the at least one side element, in a preferred embodiment, the visualization elements attached to the side element (from the ring or polygon) are also removed, displaced, folded away or pivoted.

To improve the portability of the cabin, it is provided that the cabin can be dismantled. A preferred embodiment of the cabin provides that the car is separable into two preferably symmetrical parts, each comprising one half of the ring or polygon of the visualization elements. The parts can be completely

separated from each other or only be separated. In the latter case, the parts are movably connected to one another by an element of the frame or a carrier element, for example by a hinge, so that the cabin can be unfolded. By separating or unfolding, the outer dimensions are reduced so that the cabin can be conveniently transported through a normal door from one room to the other. The transportability is further improved in a preferred embodiment by the car is mounted mobile or rollable, for example by at the

Bottom of the cab mounted wheels or castors.

To perform the interactive simulation of the rotatable

Staying area inside, preferably located in the center of the cabin. Furthermore, the visualization elements and the rotatable residence area are connected to the data processing device, so that the activities of a person located in the interior of the cabin evaluate and the visualization elements that at

closed cab allow a 360 ° visualization, be controlled accordingly.

A further preferred embodiment of the invention provides that the arrangement comprises further sensors. So it proves to be advantageous if, for example, position and / or movements of the subject or body parts of the subject or gestures of the

Subjects captured by sensors and interacting with the

Simulation or virtual reality are evaluated. For example, a head-tracking system for parallax-accurate presentation of the simulation or the virtual reality, an eye-tracking system for detecting the current viewing direction of the

Subjects, sensors with four to six degrees of freedom for the detection of gestures and / or movements of body parts of the subject, such as, hands and / or feet, cyber-gloves for detecting tactile actions, sensors for detecting measurement signals, on the body of the subject can be detected, such as heartbeat,

Skin conductivity, ECG or EEG. In addition, it proves to be advantageous if the arrangement comprises other components for representing virtual reality such as speakers for

Generation of 3D sound, vibration loudspeakers for generating vibration signals, shutter devices such as shutter glasses and / or shutter monitor / projector for stereographic perception of the simulation or virtual reality, heat / cold stimulators, TENS stimulators (TENS = Transcutaneous Electrical Nerve Stimulation) or the like ,

To carry out an interactive simulation or to use the virtual reality, a method is provided according to the invention, wherein the arrangement according to the invention is used. In particular, the method comprises the activation of the means for visual

Presentation of the scenes of the simulation or the virtual reality. In a preferred embodiment of the invention that includes

inventive method the implementation of an interactive

Simulation or the use of virtual reality for medical purposes, in particular for physical therapy and / or for

Diagnosis. A computer program for performing an interactive simulation or for using the virtual reality enables one

Data processing device, after placing it in the memory of the

Data processing device has been loaded to perform the inventive method. In particular, such computer programs according to the invention comprise computer programs which make it possible to display virtual reality contents by means of the visual representation of scenes of the simulation or virtual reality, in particular to display virtual reality contents on the ring or the polygon of the visualization elements.

In a further preferred embodiment of the invention, it is provided that the computer program according to the invention is modular in construction, wherein individual modules are based on different

Data processing equipment are installed.

Advantageous embodiments additionally provide computer programs by which further method steps or method sequences specified in the description can be executed.

Such computer programs can be made available for download (for a fee or free of charge, freely accessible or password-protected) in a data or communication network, for example. The computer programs thus provided can then be made usable by a method in which a computer program according to claim 11 from an electronic data network, such as from

Internet, is downloaded to a connected to the data network data processing device.

In order to carry out the method according to the invention for carrying out an interactive simulation or for using the virtual reality, it is intended to use a computer-readable storage medium on which a program is stored which enables a data processing device, after having been loaded into the memory of the data processing device perform inventive method. With the invention, a portable device for

rotation-resistant 360 ° panorama presentation of immersive virtual reality in a confined space also provided for diagnosis and therapy in medicine and psychotherapy, which in addition a partial Eigenlokomotion within the 360 ° panorama rotationsfest

presented virtual reality. The invention finds particular application in medicine as a device for physical therapy via the stimulation and modification of central neural processes by means of sensor-safe stimulation and biofeedback and / or for measurements for diagnostic purposes using biofeedback.

The main advantages of the invention can be summarized as follows: The device requires only a small

Space requirements, allowing them in rooms of average size

can be set up. The device can be brought into a transportable state with little effort. This allows the device to be almost completely assembled by the manufacturer. This is desirable because certification procedures for

medical applications require a standardized and monitorable process for the manufacturing process. The device can also be easily moved from one room to another room. The device enables a high degree of immersion in virtual reality to be achieved. The device avoids the problem of nausea. These are all necessary conditions to a wide

Dissemination of procedures based on virtual reality.

The invention will be explained in more detail below with reference to the figures of the drawings of an embodiment. Show it :

1a is a schematic representation of the arrangement of a subject within an exemplary ring monitor in a perspective view,

1a is a schematic representation of the arrangement of a subject within an exemplary ring monitor in side view, Fig. 2a is an illustration of a first alternative

Embodiment of the exemplary ring monitor, which ensures the accessibility of the interior of the ring monitor,

Fig. 2a is an illustration of a second alternative

 Embodiment of the exemplary ring monitor, which ensures the accessibility of the interior of the ring monitor,

Fig. 3 is a schematic representation of a through a

 Carrier device with a bottom plate connected ring monitor in the transportable state,

4 is a schematic representation of the arrangement of a subject in the wheelchair within an exemplary ring monitor in side view,

Fig. 5 is an illustration of a monitor housing, and.

Fig. 6 is an illustration of a component of

 Monitor housing.

In the following, the invention by way of example to the special case of a consisting of eight monitors ring monitor, which by a

Carrier device is connected to a bottom plate, will be explained in more detail. It should be noted that the

Is not limited to the embodiment described below, but rather other methods,

Arrangements, computer programs and computer readable storage media for performing an interactive simulation or for using the virtual reality using other means for visual presentation of the scenes or whose components are otherwise combined with each other, as long as they only the

realize features of the invention. In particular, instead of the monitors projection surfaces can be used with projectors or a larger number of monitors / projection surfaces can be used.

Thus by the inventive device to a high degree

Immersion in virtual reality is achievable and also the Occurrence of nausea is prevented, the following two points must be noted.

First: In the free movement of a subject (hereinafter also referred to as a person) are from the brain, the place and

 Movement information derived multimodally from the visual signals and the vestibular signals. A Head Mounted Display (HMD) has hitherto been used when a viewer can move his or her head and / or body freely. The image section of the virtual reality currently displayed on the screens of the HMD is brought into line with the current perspective, which can be changed by body movement. In such a

In a free-wheeling view of a scene displayed on a head-mounted display, the brain uses multimodal visual and vestibular signals to determine how the body is moving and where it is located. Since the use of head-mounted displays of the current image section via a technical method computer-controlled head movement is tracked, it comes to latencies in the tracking and thus too subconscious

Consistency conflicts between visual and vestibular information. This can cause nausea. Avoiding unpleasant

However, experience such as nausea is a key factor to

therapeutic effectiveness and motivation in virtual

Uphold reality acting person. In the case of availability of HMDs which generate the image sections to be displayed without delays, it is also possible to provide such HMDs to interact with parts of the arrangement according to the invention if the

Ring monitor can not be used, for example, because of limited spatial conditions.

Second, to be able to experience a high degree of immersion in virtual reality, a minimum of self-locomotion, that is self-generated locomotion, should be possible within the virtual reality. Locomotion consists of two components: the linear translation component and the rotational component.

Findings from psychophysics show that the perception of the translation component of locomotion can be achieved solely through the perception of visual flow. From everyday life is this Phenomenon of situations known when the slow approach of a train uncertainty prevails over whether the train in which you sit yourself moves or whether it is the train standing on the neighboring track, on which you look straight. In contrast, no normal sensation of body rotation arises when only the visually perceived environment rotates but a simultaneous rotation perception through the own vestibular sensory system is absent. As a result, the presentation of an immersive virtual reality basically requires a rotation-proof virtual landscape in which the

virtual directions do not change relative to the directions in the outside world. Rotations in this virtual reality should always be accompanied by a rotation movement of one's own body. For example, the north direction must always be presented on the same screen or in the same direction. This is only possible with a 360 ° round project.

The invention fulfills the following objects. Virtual reality is presented in the 360 "panorama, whereby no presentation technique is used, in which only a partial image detail is presented (as in HMD) .A person 106 can rotate freely in it.It is not necessary to add more to the person 106 himself To fasten devices or to attach the person 106 to the apparatus The device 100 is built so compact that they are already in the

Manufacturer can be almost completely pre-assembled and also

can be subsequently transported without much effort in another room.

A person 106 sits on a swivel chair 108. In this position, she is at eye level surrounded by a polygon of directly adjacent monitors 104, which may also have a curved surface. These monitors 104 are mechanically connected to form a closed annular polygon or ring, so as to give a ring or polygon monitor, hereinafter referred to as ring monitor 102. This ring monitor 102 allows the

Presentation of the full 360 ° panorama of a virtual

Reality for the current location of person 106 within this virtual reality. Even with fast head movements, every perspective is present without delay. The virtual Reality is presented rotationally fixed relative to the outer space. So the north direction is always on the same screen. The advantages of all-round projection with its fixed coordinate system are enormous. There are no procedures necessary for the rotation of projection surfaces. There are no methods necessary for the technical tracking of the presented image detail with a head or body movement. The scene that is visible from a point of view is always complete, present over the entire viewing angle range and also during fast head rotation.

The device for suspending the ring monitor 102 is mounted on a bottom plate 112. In the center of this bottom plate 112 is an anchored on the plate, rotatable arbitrarily about its longitudinal axis swivel chair 108. At this swivel chair 108 is a

Input device in angular connection coupled to generate signals to control a method with which the person can navigate in virtual reality. Integrated into the swivel chair 108 is a rotation angle sensor for detecting the angular orientation of the swivel chair 108. This angle signal is used for a method with which the signals of the input device for generating a control signal for virtual reality navigation is corrected so that the vector direction of this navigation signal always to the current one

Angle orientation of the swivel chair 108 is related. The

Angle-corrected input device makes it easy to generate translation movements.

The swivel chair 108 is therefore freely movable freely because

Power supply and electrical data signals via a

Rotational contact to the swivel chair 108 are performed. At the swivel chair 108, a computer is attached to the query, control and evaluation of the input device and other sensors and actuators. On this computer, the procedure for correcting the navigation signal of the

Input device on the current angle of rotation of the swivel chair 108th

carried out. This computer is connected to those computers by a communication method which externally control the process of generating the virtual reality. The same or another computer and control unit also stores the movements and

Interactions of person 106 in and with virtual reality and It can provide this to a process that controls the dynamics of the simulated virtual environment.

The locomotive components in virtual reality

navigating person 106 are generated as follows: the

Rotation component is generated by actively generated rotation of the swivel chair 108, the translation component is generated via the above-mentioned input device. The active rotation of the swivel chair 108

enables independent orientation in virtual reality. This degree of freedom of movement increases the experience of immersion in virtual reality.

In order to be able to use the device in the medical field, the electrical signals and power supplies guided in the immediate vicinity of the patient are potential-free and / or have low voltage.

A person 106 can enter the center of the ring monitor 102 without obstruction and sit there on the swivel chair 108. For the ring monitor 102 is movably mounted in its suspension 110. In a first exemplary embodiment, the ring monitor 102 may be unfolded after opening a locking device. This is achieved by attaching one or two monitors 104 to folding hinges 120 and attaching these monitors 104 like a door or laptop

Open double-wing door. The result is a passage opening in the center of the ring monitor 102. The mechanism for locking the hinged monitors 104 is freely accessible from within the ring monitor 102 of the person 106 located there. A person 106 located in the ring monitor 102 can open this mechanism, fold the movable monitors 104 aside and leave the ring monitor 102 without outside help. In a second exemplary

Embodiment, the ring monitor 102 within its

Hanger 110 are moved up so far that a person 106 fits comfortably under the lower edge. In a third exemplary embodiment, the ring monitor 102 may be tipped up on one side and simultaneously moved up a short distance so that a person 106 fits under the edge. In all three exemplary embodiments, a person may 106 move comfortably into the center of the ring monitor 102 and there take place on the swivel chair 108 place.

The virtual reality presentation device 100 is portable because it can be easily separated into three separate components in an exemplary embodiment.

Thereby, the almost completely pre-assembled device 100 can be easily transported from the manufacturer to the place of use or from one room to another room. The separable components are a) the swivel chair 108, b) the ring monitor 102 with suspension device 110 and bottom plate 112, and c) a mobile equipment cabinet with the external control unit (s). These components individually fit through a door opening that is less than one meter wide. The leading to the swivel chair 108 cables can be staked and the swivel chair 108 are lifted from its anchorage of the bottom plate 112 of the apparatus. The ring monitor 102 is so in the

Hanger 110 attaches that he is referring to his

Circular section plane rotates in the vertical and can be fixed in this position. This rotation reduces the common external dimension of suspension device 110 with ring monitor 102. The two lateral parts 114 of the bottom plate 112 can be folded up and fixed. The connection cables of the ring monitor unit 122 to the external control units can be disconnected. After driving under a lift truck in designated holders, the

Ring monitor unit 122 are moved. The control cabinet for the external control units is movably equipped with rollers. In this way, the device 100 can be moved from one room to another room with little effort.

In a modified variant, the device 100 can be operated by a person 106 in a wheelchair 116. For this purpose, a plate 118 is additionally mounted on the bottom plate 112, which can be rotated by a motor. On this rotatable plate 118 a mounting device for a wheelchair 116 is attached. A wheelchair 116 with a person 106 can be pushed onto this plate 118. The plate 118 is, as described above for the swivel chair 106,

equipped with a rotation angle sensor, with a rotary contact for power supply and signal lines, with a control computer and with an input device. Rotations of the rotatable plate 118 and thus of the wheelchair 116 within the ring monitor 102 are controlled via the input device and transmitted to the rotatable plate 118 via a motor drive.

In a further exemplary embodiment of the invention, it is provided that the ring monitor 102 is accommodated in a monitor housing 200. The monitor housing 200 comprises four

Outer walls 202 and forms a cuboid or cuboidal cabin, into which the rotatable residence area, such as e.g. Swivel chair or a rotatable disc for a wheelchair, can be introduced. The monitor housing 200 may further include an upper cover

Ceiling elements 204 have. Alternatively, the monitor housing 200 may be open at the top and also laterally.

In order to allow access to the interior of monitor enclosure 200 for the rotatable location area and subject, it is provided in this embodiment that monitor enclosure 200 has on an exterior wall 202 one or two doors 206 rotatably mounted to frame 208 of monitor enclosure 200. The doors 206 having the side of the monitor housing 200 will be referred to as the front. It is further contemplated that a monitor 104 is attached to each door 206, so that when opening the door 206, the monitor 104 is removed from the ring monitor 102 and so the subject or devices access to the interior of the

Monitor housing 200 is enabled.

So that the monitor housing 200 can be transported in a simple manner, it is provided that the monitor housing 200 has two components 214 which can be detached or separated from one another. One each of the ingredients 214 of the

Monitor housing 200 in this exemplary embodiment includes a door 206, a lateral outer wall 202, and a half of the rear outer wall 202. The two components 214 of FIG

Monitor housing 200 can be completely separated or alternatively unfolded. For the unfoldable embodiment, it is provided that the rear outer wall 202 in the middle has two vertically extending frame struts 210, the are connected by a hinge. The Monitoreinhausung 200 can be opened in this case so far that the parts of the rear outer wall 202 of the two components 214 come to rest on each other.

This separability or Aufklappbarkeit is achieved that the components 214 of the monitor housing 200 individually or

Monitor housing 200 as a whole easily transported us in particular indoors can be transported by normal sized doors from one room to another. In the exemplary

Embodiment, the transport is facilitated by the fact that the components 214 of the monitor housing 200 wheels 212, which are preferably mounted at the corners of the frame 208.

By means of the following devices and methods, in addition to the visual stimulation, further sensory stimuli can be given. At the edges of the ring monitor 102, multiple speakers may be mounted to produce 3D sound. There may be a vibrating speaker coupled to the seat surface of the chair for generating vibration signals. A pair of shutter glasses may be coupled to the monitors 104 to present the virtual reality stereoscopically. Other stimuli can be given about heat / cold stimulators and about TENS stimulation.

About the following sensory devices and methods can

Behavioral elements or body functions of the person 106 are detected. Attached to the ring monitor 102 may be a system of multiple optical sensors which provide the necessary information for a head tracking method. On the basis of the movements of the head detected thereby, a method can present the virtual reality parallax-faithfully. A head-tracking system can be supplemented by an eye-tracking system. With this additional

Information, a method can detect the current direction of view and, where appropriate, object fixation within the virtual reality. This may be important for diagnostic and therapeutic procedures, for example with neglect patients. Coupled to the swivel chair 108 are sensors for registration of position and movement of body parts of the person 106 and sensors for registration of the Person's body 106 detectable measurement signals. About 4-6 degrees-of-freedom sensors on the hands or feet can their

Movements are detected. This information can be used by a gesture recognition method. Details of hand movements can be captured with a cyber-glove. Physiological body parameters such as heart rate, skin conductivity, ECG and EEG can be detected by sensors. The sensors mounted directly on the swivel chair 108 or on the person 106 can be interrogated by the control unit attached to the swivel chair 108 or by the control unit mounted on the rotatable plate 118 and transmitted to the external control units. A brain-computer interface can serve as an input device.

The invention is i.a. distinguished by the following advantages:

 - Connection of several, closed in a circle

 Projection surfaces for the rotation-proof presentation of virtual reality in a small space in connection with a central, about its longitudinal axis arbitrarily rotatable swivel chair 108 with angle fixed connected, angle of rotation corrected

 Input device for generating signals for translation in virtual reality;

 - Use of this device 100 in medicine as a device for the physical therapy via the excitation and change of central, neural processes by means of sensoricher

 Stimulation and biofeedback;

 Use of this device 100 in medicine for measurement for diagnostic purposes using biofeedback;

 - Device for unfolding the circular ring monitor 102 to allow unimpeded access by using optional

 o hinged hinge,

 o lifting system and / or

 o swivel mechanism;

 - Device for easily opening the ring monitor 102 from a position of within the ring;

- Devices for easy disassembly and folding of the device 100 described above in separate and less than door width components to facilitate transport by: o Fold up and fix the ring monitor 102 in the

 vertical

 fold up and fix the lateral parts 114 of the

Bottom plate 112,

 stake out the central swivel chair 108;

 - Device for receiving a wheelchair 116 in the above

 described device 100 for the presentation of virtual

 Reality;

 Device and method for rotating the wheelchair 116 by means of a rotatable plate 118 within the virtual reality presentation device 100 described above.

The invention is not limited in its embodiment to the above-mentioned preferred embodiments. Rather, a number of variants is conceivable that of the invention

Arrangement, the inventive method, the computer program according to the invention and the computer-readable according to the invention

Storage medium even with fundamentally different types make use of.

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LIST OF REFERENCE NUMBERS

100 device

 102 ring monitor

 104 monitor

 106 person

 108 swivel chair

 110 suspension device

112 base plate

 114 lateral parts

116 wheelchair

 118 plate

 120 hinged hinge

122 ring monitor unit

200 monitor housing

202 outer wall

 204 ceiling element

206 door

 208 frame

 210 frame strut

 212 wheel

 214 component

Claims

claims

Arrangement for the visual presentation of scenes, the arrangement comprising visualization elements on which the representation of the scenes takes place, and wherein the visualization elements are arranged in a substantially closed ring or polygon, characterized in that

 at least a portion of the visualization elements is removable from the ring or polygon of the visualization elements and / or

 slidable, hinged or hinged in the ring or polygon is arranged, and wherein

 the ring or the polygon of the visualization elements as

 transportable unit is realized and to carry out an interactive simulation

 with a revolving lounge for volunteers,

 with at least one data processing device for

 Generation and / or control of at least the visual

 Presentation and

 with at least one data entry means for controlling the simulation,

 can be combined.

Arrangement according to claim 1,

 characterized in that

 at least the ring or the polygon of the visualization elements is realized as a mobile unit.

Arrangement according to claim 1 or 2,

 characterized in that

 the ring or the polygon of the visualization elements with respect to the rotatable residence area at least partially movable, preferably displaceable, pivotable and / or hinged, is arranged.

Arrangement according to one of the preceding claims,

characterized in that the ring or the polygon of the visualization elements in the implementation of the interactive simulation is arranged rotation-free relative to the real world.

5. Arrangement according to one of the preceding claims,

 characterized in that

 at least the ring or the polygon of the visualization elements and the rotatable residence area are separable from each other.

6. Arrangement according to one of the preceding claims,

 characterized in that

 the arrangement comprises a bottom plate, wherein the bottom plate comprises the rotatable residence area or has means for

 Combination with the rotatable lounge area.

7. Arrangement according to claim 6,

 characterized in that

 the bottom plate and the visualization elements and / or the rotatable residence area are separable from each other.

8. Arrangement according to claim 6 or 7,

 characterized in that

 the bottom plate has at least one pivotable region.

9. Arrangement according to one of the preceding claims,

 characterized in that

 the arrangement comprises sensors

 for detecting the angle of rotation of the rotatable location area, for detecting movements and / or interactions of the subject and / or

 for detecting detectable on the body of the subject

 Measurement signals

 and / or that the arrangement comprises further components for generating virtual reality.

10. A method of visual presentation of scenes, wherein an arrangement according to at least one of claims 1 to 9 is used. Computer program that enables a data processing device after it has been stored in storage means

 Data processing device has been loaded to perform a method for visual presentation of scenes according to claim 10.

A computer-readable storage medium having stored thereon a program that allows a data processing device, after being loaded into storage means of the data processing device, to perform a method of visualizing scenes according to claim 10.

Method in which a computer program according to claim 11 is downloaded from an electronic data network, such as for example from the Internet, to a data processing device connected to the data network.