DE102006056635A1 - Patient's e.g. old human, health-relevant data e.g. blood sugar, detection system, has data evaluation device assigning value that is automatically transmitted from processing device to evaluation device, to patient and storing value - Google Patents

Abstract

The system has an image data detection device (13) e.g. digital camera, for detecting an optical display signal of a display device (12) of a measuring data detection device. An image data processing device in connection with the image data detection device automatically detects an image data set and determines a value from the image data set. Data evaluation device assigns the determined value to a patient and stores the value, where the determined value is automatically transmitted from the processing device to the evaluation device. Independent claims are also included for the following: (1) a method for automatic detection of health-relevant data of a patient (2) a computer program product for a method for automatic detection of health-relevant data of a patient.

Description

The The present invention relates generally to a telematics solution for medical supervision of patients. More specifically, the present invention relates to a system, method and computer program product for automatic Acquisition of measured values medical devices.

A constant monitoring health-related data such as blood sugar, blood pressure, etc. especially important for chronically ill and elderly people, by a corresponding amount Ensuring safety to be able to. Through constant monitoring such data both the health of a patient stabilized and improved will be prevented as well as acute situations. To such data comfortable, safe and reliable from home to a doctor, to a hospital or to a telemedicine To transmit center is an automatic transmission the data from a medical meter to a data management system required. For one thing must according to the needs and clinical picture data from different measuring devices such as for example, scale, sphygmomanometer or glucometer automatically detected and transfer become. On the other hand, in medical measuring instruments is often an individual approval been issued, which does not interfere with the internal electronics allowed without renewed cost-intensive approval.

In known systems for continuous monitoring health-related data is a medical meter configured to determine appropriate values and to save in the meter. conventional Systems typically continue to include a receiving device which can be plugged into a phone jack and wirelessly (for example via Bluetooth) the determined values in encrypted Form receives from the medical meter. From the receiving device the received values over transfer the landline to a data management facility. Such systems are for the patient relatively expensive. Furthermore is a risk of manipulation of medical gauges relative great because the medical meter accordingly customized is to determine the values.

task the invention is to enable automatically collect health-relevant data from patients, without manipulating an internal electronics of a measuring device used in this case.

These The object is achieved according to the invention by the features of the independent claims. preferred embodiments The invention is the subject of the dependent claims.

According to the invention, a system is provided for the automatic acquisition of health-relevant data of at least one patient, comprising:
an image data acquisition device which is designed to detect an optical display signal of a display device of a measurement data acquisition device which is designed to acquire measurement data of the at least one patient and to output at least one data value corresponding to the measurement data via a display device and to generate therefrom an image data set;
an image data processing device which is connected to the image data acquisition device for automatically acquiring the image data set and is designed to determine at least one value from the image data set of at least one variable corresponding to the data value; and
a data management device which is designed to allocate and store the at least one determined value to the at least one patient, wherein the at least one determined value is automatically transmitted from the image data processing device to the data administration device.

Accordingly can one or more data values over a display device of a measured data acquisition device displayed and automatically captured by an image data set, which one or more values of one or more of the one or multiple data values corresponding to the sizes can be determined assigned to the at least one patient and in a data management device get saved. In other words, an image data set, which by represents a picture can be automatically from a display signal of a display device one Meßdatenerfassungseinrichtung be generated independently from the at least one (displayed) preferably variable data value and without doing the Meßdatenerfassungseinrichtung too manipulate. Furthermore, from the image data set independent of a size corresponding to the at least one displayed data value determines a value and then the at least one patient to be assigned and stored.

According to a preferred embodiment of the invention, the measured data acquisition device comprises at least one medical measuring device, the at least one medical measuring device in particular a body scale and / or a Körperfettmeßeinrichtung and / or a sensor for detecting a blood pressure of the at least one patient and / or a sensor for detecting a blood glucose value the at least one patient and / or a sensor for detecting a pulse the at least one patient and / or a device for detecting the Bodymaßindexes the at least one patient and / or an expirometer.

Corresponding a further preferred embodiment is the image data processing device to the at least one adapted to medical meter. For example is the image data processing device to a resolution, a Sensitivity, a size of the image data acquisition, and / or a number of displays, etc. of the at least one medical Adapted meter.

Corresponding the image data acquisition device processes the at least one determined value of at least one medical meter efficiently.

Farther preferably comprises the image data processing device is a learning phase with the at least a medical meter.

Corresponding learns the image data processing device from determined values in dealing with the at least one medical meter and can after execution or generalization of the learning phase with the at least one medical measuring device. Thus, the image data processing device can take regularities derive from the learning data of the at least one medical device. Accordingly, the image data processing device after execution or termination the learning phase with the at least one medical measuring device at least another value of at least one additional data value Size at least determine another medical meter.

Farther preferably comprises the image data processing device is a data management device for the at least a medical meter.

Corresponding a further preferred embodiment comprises the display device of the measured data acquisition device in particular an LCD display and / or an LED display and / or a pointer display.

Farther preferred is the data management device for the at least one medical Meter at least a medical gauge units for medical Measured variables and / or the LCD display and / or the LED display and / or the pointer display assigns.

Corresponding a further preferred embodiment comprises the image data acquisition device is an activation device in particular a photodiode which is designed to receive a signal from the measured data acquisition device and in particular the display device of the measured data acquisition device to receive and depending from the received signal, the image data acquisition means for Generate the image set to initiate. Switches accordingly the image data acquisition device automatically, if this after a fixed period of time set by a user himself no signal from the display device of the measured data acquisition device receives.

Farther preferred is a mounting portion for fixing the image data acquisition device on a wall relative to the measured data acquisition device and / or for arranging the image data acquisition device at the Meßdatenerfassungseinrichtung intended.

preferred is the image data acquisition device with an optical lens system or a lens provided.

At the Most preferred is the image data acquisition device in particular a PC-USB camera and / or a mobile phone camera and / or a digital camera.

Corresponding The invention further provides a method for automatic detection of health-relevant data of at least one patient according to claim 12 provided.

One Another aspect of the present invention relates to a computer program product, especially stored on a computer-readable medium or realized as a signal which, when loaded into the memory of a Computers and running from a computer, that causes the Computer a method according to the invention or a preferred embodiment performs thereof.

These and other objects, features and advantages of the present invention are preferred by reading the following detailed description embodiments and accompanying drawings. It should to be understood so that itself if embodiments separately described individual features thereof to additional embodiments can be combined.

1 Fig. 15 is a perspective view where an image data acquirer is mounted relative to a measurement data acquirer.

2 Fig. 10 is a first perspective view where an image data acquirer is directly attached to a measurement data acquirer.

3 Fig. 15 is a second perspective view where an image data acquirer is directly attached to a measurement data acquirer.

4 shows an LCD display of a display device of a Meßdatenerfassungseinrichtung.

5 shows an LED display of a display device of a Meßdatenerfassungseinrichtung.

6 shows the second perspective view, where an image data acquisition device is mounted directly on a Meßdatenerfassungseinrichtung, in which a reflecting device allows partial reflection.

7 shows a flowchart of a technical construction of a computer and a network.

in the The following are preferred embodiments of the present invention.

- First Embodiment -

1 shows a first preferred embodiment of the present invention. In 1 is through 11 a Meßdatenerfassungseinrichtung identified which a display device 12 includes. The measurement data acquisition device 11 detects measurement data of at least one patient and outputs at least one data value corresponding to the measurement data via the display device 12 out. The display device 12 is in particular an LCD display 42 (as in 4 shown), an LED indicator 52 (as in 5 shown) and / or a pointer display (not shown). The measurement data acquisition device 11 comprises at least one medical measuring device. A medical measuring device comprises in particular a body scale, a body fat measuring device, which can be integrated in a scale, a sensor for detecting a blood pressure of the at least one patient, a sensor for detecting a blood glucose value of the at least one patient, a sensor for detecting a pulse of the at least one Patients, a device for detecting the Bodymaßindexes the at least one patient, and / or an expirometer.

Relative to the measured data acquisition device 11 is an image data acquisition device 13 by means of a mounting section 14 attached to a wall or stand. Accordingly, the Meßdatenerfassungseinrichtung 11 preferably in a predetermined or predeterminable relative position (eg substantially perpendicular below) to the image data acquisition device 13 arranged in such a way that the image data acquisition device 13 an image data set from a display signal of the display device 12 the measured data acquisition device 11 can generate.

In a preferred embodiment, the image data acquisition device comprises 13 a lens system, in particular a lens, a mechanical or electronic shutter which controls an exposure time of a recording medium and a shutter which controls a light inlet. Further preferably, a recorded image data set is preferably AD-converted and stored digitally in a known storage medium (eg CompactFlash, Memory Stick, Microdrive, SmartMedia, SD Memory Card, or xD-Picture Card). Accordingly, a corresponding data record in a known image data storage format (eg JPEG format or TIFF format) can be generated from a recorded image data record. Even more preferably, the image data acquisition device comprises 13 in particular a PC-USB camera, a mobile phone camera, and / or a digital camera.

An image data processing device (not shown) is connected to the image data acquisition device 13 in signal connection via a one-, two- or multi-dimensional network (eg Internet, mobile network, etc.). The image data processing device preferably determines automatically and without intervention of a user from the image data set of at least one user by the display device 12 the measured data acquisition device 11 displayed data value corresponding size at least one value. The image data processing device preferably comprises a method known from the prior art for (automatically) determining the at least one value from the image data record. It can be used from the prior art methods of machine vision and automatic pattern recognition are used.

Becomes as image data acquisition device a correspondingly powerful mobile phone used, image data processing by the image processing device on the image data acquisition device (at least partially).

Preferably, a method of image processing, in particular normalization, is used as a first intermediate stage for a further machining of image data of an image data set. Normalization serves to abstract irrelevant features in image data and / or to reduce pattern variability. After such preprocessing, various features of an image data set are determined. Finally, the features are assigned to different classes. Such an assignment may be based on a learning process with an image data set. Furthermore, an automatic classification method is preferably used for the assignment into such classes. The At least one automatic classification method used is preferably based on a learning method which, applied to at least one determined value of the image data processing device of at least one medical measuring device 11 , Features determined. These newly learned features make it possible for a further method, at least one further value, of at least one further corresponding variable of at least one further data value to be displayed via the display device 12 at least one further medical measuring device 11 is displayed to determine.

Further preferably, the image data processing device comprises a data management device for at least one medical measuring device 11 , The data management device of the image data processing device stores to the at least one medical measuring device 11 , the at least one data value, which via the display device 12 of the at least one medical measuring device 11 is displayed, at least one medical value corresponding to the data value and a medical unit corresponding to the medical size (eg kg, BMI).

After this the at least one value by the image data processing device has been determined, the at least one determined value is automatically to a data management device (not shown). The data management device includes a method to which at least assign a value to the at least one patient and thus to save generated data pair. The data management device is preferred in particular a relational or object-oriented database system. Further preferably, the data management device is a HIS system. Most preferably, data management is a web-based platform with integrated health record LifeSensor (for example the Inter-ComponentWare AG).

- Second Embodiment -

2 shows a second preferred embodiment of the present invention. The image data acquisition device 23 , the image data processing device and the data management device have the similar or the same construction as that of the first embodiment.

The second embodiment sees a mounting portion 24 which is shaped so that the image data acquisition device 23 directly on a measurement data acquisition device 21 which is similar to the first embodiment comprises at least one known medical meter. The direct attachment is made in the second embodiment so that the image data acquisition device 23 an image data set of a display signal of a display device 22 the measured data acquisition device 21 can generate. Accordingly, a lens system 25 the image data acquisition device aligned, the display device 22 the measured data acquisition device 21 at least partially substantially opposite or aligned to this.

According to the second embodiment, the image data acquirer includes 23 preferably an activation device 26 (eg a photodiode). Receives the activation device 26 a signal from the display device 22 the measured data acquisition device 21 , so causes the activation device 26 the image data acquisition device 23 automatically or without user triggering an image data set from a corresponding display signal of the display device 22 to generate. Further preferably, the image data acquisition device switches 23 automatically if, after a fixed period of time defined by a user himself, they do not receive a signal from the display device 22 the measured data acquisition device 21 receives.

With the second embodiment thus constructed, the image data acquiring means forms 23 and the measurement data acquisition device 21 a transportable unit.

In the second embodiment, the image data acquisition device 23 by means of a mounting section 24 (indirectly or directly) at the Meßdatenerfassungseinrichtung 21 to be fixed, which in particular provides a hook or a latching projection, in which one of the image data acquisition device 23 attached loop can be hooked or snapped or fastened in such a way that the lens system 25 the image data acquisition device 23 at least partially substantially opposite to the display device 22 the measured data acquisition device 21 lies. Accordingly, if necessary and for transport, the image data acquisition device 23 from the measurement data acquisition device 21 be removed so that it remains as harmless as possible.

- Third Embodiment -

3 shows a third preferred embodiment of the present invention. The image data acquisition device 33 , the image data processing device and the data management device have the similar or the same construction as those of the first and second embodiments.

The third embodiment sees a mounting portion 34 which is shaped so that the image data acquisition device 33 directly on a measurement data acquisition device 31 is attached, wel similar to the first or second embodiment comprises at least one known medical instrument.

The third embodiment of the present invention further provides an at least partially reflective device 37 which at the image data acquisition device 33 is attached. Accordingly, a fastener is attached to the image data acquisition device 33 provided, which is an orientation of the reflecting device 37 provides so that the reflecting device 37 an indication signal of a display device 32 the measured data acquisition device 31 essentially reflected by a lens system 35 the image data acquisition device 33 to be detected.

Furthermore, a second display device 38 the measured data acquisition device 33 provided, which at least partially substantially opposite the display device 32 and above the reflecting means 37 at the Meßdatenerfassungseinrichtung 31 is attached. Furthermore, the second display device 38 so with the Meßdatenerfassungseinrichtung 31 connected to receive substantially the same display signal as the display device 32 the measured data acquisition device 31 ,

Alternatively, the third embodiment provides an at least partially reflective device 37 which at the image data acquisition device 33 is attached and allows partial reflection (as in 6 shown). Accordingly, the at least partially reflective device acts 37 like a beam splitter, which splits the incident beam and the incident light ST1 into two beams ST2A and ST2B. The at least partially reflective device 37 is preferably adjustable so that the light intensity of the individual beams ST2A and ST2B is variable or adjustable and / or that the given between the individual beams ST2A and ST2B relative angle (dg the angle setting of the individual beams ST2A and ST2B) is variable or adjustable ,

The partial reflection enabling reflective device 37 is on the one hand at the image data acquisition device 33 fastened or attachable to substantially a display signal of the display device 32 the measured data acquisition device 31 to reflect (beam ST2B) to the lens system 35 the image data acquisition device 33 to be detected. The partial reflection enabling reflective device 37 on the other hand, on the image data acquisition device 33 attached to a display signal from the display device 32 the measured data acquisition device 31 (Ray ST2A) on the second display device 38 to project. The second display device 38 is at least partially substantially opposite to the display device 32 and above the reflective device enabling partial reflection 37 attached.

Referring to 7 An exemplary system for implementing the invention will be described. An exemplary system includes a universal computing device in the form of a conventional computing environment 120 eg a "personal computer" (PC), an XDA, a PDA, or a mobile phone 120 , with a processor unit 122 , a system memory 124 and a system bus 126 which includes a variety of system components, including the system memory 124 and the processor unit 122 combines. As described above, a correspondingly powerful device 120 , as used for example a mobile phone, a Pda or an XDA, can also (at least partially) an immediate image data processing or at least a preprocessing for the image processing done on the correspondingly powerful device. The processor unit 122 can perform arithmetic, logical and / or control operations by adding to the system memory 124 is accessed. The system memory 124 may include information and / or instructions for use in combination with the processor unit 122 to save. The system memory 124 can volatile and non-volatile memory, such as "random access memory" (RAM) 128 and "read-only memory" (ROM) 130 include. A basic input-output system (BIOS) that contains the basic routines that help to keep information between the elements within the PC 120 , for example, during startup, may be stored in the ROM 130 be saved. The system bus 126 may be one of many bus structures, including a memory bus or memory controller, a peripheral bus, and a local bus employing a particular bus architecture from a variety of bus architectures.

The computer 120 can still use a hard disk drive 132 for reading or writing a hard disk (not shown) and an external disk drive 134 for reading or writing a removable disc 136 or a removable disk. The removable disk may be a magnetic disk for a magnetic disk drive or an optical disk such as a CD for an optical disk drive. The hard disk drive 132 and the external disk drive 134 are each with the system bus 126 via a hard drive interface 138 and an external disk drive interface 140 connected. The drives and associated computer readable media provide nonvolatile storage of computer readable instructions, data structures, program modules and other data for the PC 120 to disposal. The data structures and program modules may be configured to include implementation and implementation of a system and method as described above. Although the example environment described includes a hard disk (not shown) and an external disk 142 As will be appreciated by those skilled in the art, other types of computer-readable media capable of storing computer-accessible data may be used in the exemplary work environment, such as magnetic cartridges, flash memory cards, digital video diskettes, random access memory, read-only memory , etc.

A plurality of program modules, in particular an operating system (not shown) one or more application programs 144 , or program modules (not shown) and program data 146 , can on the hard disk, the external disk 142 , the ROM 130 or the RAM 128 get saved. The application programs can perform at least some of the functionality, as in 6 shown include.

A user can enter commands and information into the PC as described above 120 using input devices, such as a keyboard or a keyboard 148 and a computer mouse or a trackball 150 enter. Other input devices (not shown) may include a microphone and / or other sensors, a joystick, a game pad, a scanner, or the like. These or other input devices may be connected to the processor unit 122 using a serial interface 152 connected to the system 126 is coupled, or may be based on other interfaces, such as a parallel interface 154 , a game port or a universal serial bus (USB). Furthermore, information can be shared with a printer 156 to be printed. The printer 156 and other parallel input / output devices may be connected to the processor unit 122 through the parallel interface 154 be connected. A monitor 158 or other types of display device (s) are / are with the system bus 126 by means of an interface, such as a video input / output 160 connected. In addition to the monitor, the computing environment 120 other peripheral output devices (not shown) such as speakers or acoustic outputs include.

The computing environment 120 can communicate with other electronic devices such as a computer, a cordless phone, a cordless phone, a personal digital assistant (PDA), a television or the like. To communicate, the computing environment can 120 working in a networked environment using connections to one or more electronic devices. 6 put those with a "remote computer" or remote computer 162 networked computing environment. The remote computer 162 may be another computing environment, such as a server, router, network PC, peer device, or other common network node, and may do many or all of the computing environment 120 comprise elements described above. The logical connections, as in 6 include a "local area network" (LAN) 164 and a "wide area network" (WAN) 166 , Such networking environments are commonplace in offices, corporate-wide computer networks, intranets, and the Internet.

If a computing environment 120 is used in a LAN network environment, the computing environment 120 with the LAN 164 through a network input / output 168 be connected. When the computing environment 120 used in a WAN network environment, the computing environment 120 a modem 170 or other means of establishing communication over the WAN 166 include. The modem 170 which internally and externally regarding the computing environment 120 can be with the system bus 126 by means of the serial interface 152 connected. In the network environment, program modules that are relative to the computing environment 120 or portions thereof may be stored in a remote storage device which may be to or from a remote computer 162 are accessible or systemic. Furthermore, other data relevant to the method or system described above may be on or from the remote computer 162 accessible.

11; 21; 31

Meßdatenerfassungseinrichtung [medical meter]

12; 22; 32

display

42

LCD display

52

LED display

13; 23; 33

Image data acquisition device

26; 36

activation device [Photodiode]

14; 24, 34

mounting portion

25; 35; 45

(Optical) Lens system [lens]

37; 47

reflective contraption

38; 48

second display

120

computing environment

122

processor unit

124

system memory

126

system

128

random access memory (RAM)

130

Read-only memory (ROME)

132

Hard Drive

134

Disk Drive

136

removable Disk

138

Hard disk drive interface

140

Disk drive interface

142

external Disk

144

application program

146

program data

148

keyboard

150

Computer mouse / trackball

152

serial interface

154

parallel interface

156

printer

158

monitor

160

Video Input / Output

162

distant computer

164

"local area network" (LAN)

166

"wide area network" (WAN)

168

Network input / output

Claims (17)

A system for automatically acquiring health-relevant data of at least one patient, comprising: an image data acquisition device ( 13 ; 23 ; 33 ), which is designed to display an optical display signal of a display device ( 12 ; 22 ; 32 ) of a measurement data acquisition device ( 11 ; 21 ; 33 ), which is designed to acquire measurement data of the at least one patient and at least one data value corresponding to the measurement data via a display device ( 12 ; 22 ; 32 ) and to generate an image data record from it; an image data processing device connected to the image data acquisition device ( 13 ; 23 ; 33 ) is connected to the automatic detection of the image data set and is designed to determine at least one value from the image data set of at least one quantity corresponding to the data value; and a data management device which is designed to allocate and store the at least one ascertained value to the at least one patient, wherein the at least one ascertained value is automatically transmitted from the image data processing device to the data administration device. A system according to claim 1, wherein the measurement data acquisition means (14) 11 ; 21 ; 31 ) at least one medical measuring device, wherein the at least one medical measuring device, in particular a body scale and / or a body fat scale and / or a sensor for detecting a blood pressure of the at least one patient and / or a sensor for detecting a blood glucose value of the at least one patient and / or a sensor for detecting a pulse of the at least one patient and / or a device for detecting the bodymass index of the at least one patient. The system of claim 2, wherein the image data processing device to which at least one medical measuring device is adapted. A system according to claim 2 or 3, wherein the image data processing means a learning phase with the at least one medical measuring device. System according to one or more of claims 2 to 4, wherein the image data processing device is a data management device for the at least one medical measuring device. System according to one or more of the preceding claims, wherein the display device ( 12 ; 22 ; 32 ) of the measurement data acquisition device ( 11 ; 21 ; 31 ), in particular an LCD display ( 42 ) and / or an LED display ( 52 ) and / or a pointer display. A system according to claim 5 or 6, wherein the data management means for the at least one medical metering device comprises at least one medical metering unit for medical measurements and / or the LCD display ( 42 ) and / or the LED display ( 52 ) and / or assigns the pointer display. System according to one or more of the preceding claims, wherein the image data acquisition device comprises an activation device ( 26 ; 36 ) comprises in particular a photodiode which is designed to receive a signal from the measurement data acquisition device ( 11 ; 21 ; 31 ) and in particular by the display device ( 12 ; 22 ; 32 ) of the measurement data acquisition device ( 11 ; 21 ; 31 ) and depending on the received signal, the image data acquisition device ( 13 ; 23 ; 33 ) causes to generate the image set. System according to one or more of the preceding claims, further comprising: at least one mounting section ( 14 . 24 . 34 ) for fixing the image data acquisition device ( 13 ; 23 ; 33 ) on a wall relative to the measurement data acquisition device ( 11 ; 21 ; 31 ) and / or for arranging the image data acquisition device ( 13 ; 23 ; 33 ) at the measurement data acquisition device ( 11 ; 21 ; 31 ). System according to one or more of the preceding claims, wherein the image data acquisition device ( 13 ; 23 ; 33 ) an optical lens system or a lens ( 25 ; 35 ). System according to one or more of the preceding claims, wherein the image data acquisition device ( 13 ; 23 ; 33 ) comprises a PC-USB camera and / or a mobile phone camera and / or a digital camera. Method for the automatic acquisition of health-relevant data of at least one patient, comprising the steps of: detecting an optical indication signal of a display device ( 12 ; 22 ; 32 ) of a measurement data acquisition device ( 11 ; 21 ; 32 ); Generating an image data set from the detected visual indication signal; automatically transferring the image data set to an image data processing device; Determining at least one value from the image data set by the image data processing device; automatically transmitting the at least one determined value to a data management device; and assigning and storing the at least one determined value to the at least one patient. The method of claim 12, wherein detecting an optical indication signal comprises the measurement data acquisition means (14). 11 ; 21 ; 31 ) not changed. Method according to claim 12 or 13, wherein the measured data acquisition device ( 11 ; 21 . 31 ) at least one medical measuring device, wherein the at least one medical measuring device, in particular a body scale and / or a body fat measuring device and / or a sensor for detecting a blood pressure of the at least one patient and / or a sensor for detecting a blood sugar value of the at least one patient and or a sensor for detecting a pulse of the at least one patient and / or a device for detecting the Bodymaßindexes the at least one patient and / or expirometer, and further comprising the steps of: adapting the image data processing device to the at least one medical measuring device; and learning the image data processing device on the at least one medical measuring device. Method according to one or more of claims 12 to 14, wherein the image data acquisition device receives a signal from the measurement data acquisition device ( 11 ; 21 ; 31 ) and in particular the counter ( 12 ; 22 ; 32 ) receives the Meßdatenerfassungseinrichtung; and generates the image set depending on the received signal. Method according to one or more of claims 12 to 15, wherein the image data acquisition device ( 13 ; 23 ; 33 ) on a wall relative to the measured data acquisition device ( 11 ; 21 ; 31 ) and / or at the measured data acquisition device ( 11 ; 21 ; 31 ) is attached or arranged. Computer program product, in particular on one computer-readable medium stored or realized as a signal, which when loaded into the memory of a computer and executed by a computer Computer, causes the Computer a method according to one or more of claims 12 to 16 performs.