WO2010146178A1 - Système d'interrogation et procédé permettant la mise en oeuvre d'un système d'interrogation - Google Patents

Système d'interrogation et procédé permettant la mise en oeuvre d'un système d'interrogation Download PDF

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Publication number
WO2010146178A1
WO2010146178A1 PCT/EP2010/058678 EP2010058678W WO2010146178A1 WO 2010146178 A1 WO2010146178 A1 WO 2010146178A1 EP 2010058678 W EP2010058678 W EP 2010058678W WO 2010146178 A1 WO2010146178 A1 WO 2010146178A1
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WO
WIPO (PCT)
Prior art keywords
person
survey
detection unit
interrogation
biometric features
Prior art date
Application number
PCT/EP2010/058678
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German (de)
English (en)
Inventor
Andreas Thun
Original Assignee
Iris-Gmbh Infrared & Intelligent Sensors
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iris-Gmbh Infrared & Intelligent Sensors filed Critical Iris-Gmbh Infrared & Intelligent Sensors
Publication of WO2010146178A1 publication Critical patent/WO2010146178A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers

Definitions

  • the present invention relates to an interactive survey system for the automatic performance of a personal interview and an operating method for a survey system.
  • a device which is designed to carry out person counts by means of three-dimensionally measuring sensors.
  • the device can detect person-individual characteristics, such as size, shape, hair color, heart tones or smell of a person.
  • An electronic survey system is described, for example, in international patent application WO 99/31609. Participants in the survey can enter answers to questions in the system with the aid of a touch-sensitive screen.
  • Another electronic survey system is known from the US patent application US 2008/0082398 A1.
  • This publication describes a survey portal connected to the Internet, which includes a screen for displaying messages, as well as a plurality of operator buttons through which a surveyed person can input.
  • the published patent application DE 101 28 567 A1 discloses a device for carrying out topic-specific surveys via a network.
  • the device presented here generates subscriber-specific questions based on information stored in a subscriber database. The information was determined in advance or entered in advance by the respective participant.
  • the technical problem is solved for an interactive survey system, hereinafter referred to as the survey system, for the automatic performance of a personal interview.
  • the inventive questioning system comprises a detection unit which is designed
  • the inventive questioning system comprises a computing unit which is in communication with the detection unit and which is designed
  • output means of the survey system are adapted to transmit queries directed to the persons;
  • biometric features mean all biometric characteristics of a human person that can be detected with the help of one or more respectively formed sensors and optionally respectively downstream digital processing apparatus.
  • body size face geometry, hair color, stature, weight, voice, lip movement, pressure profile of a person's shoeprint, gait style, person's odor, spatial position of the person, line of sight, and iris and retinal structure.
  • the detection unit comprises for determining biometric features of a person in - A -
  • all embodiments of the inventive questioning system at least one sensor.
  • the detection unit comprises a microphone for recording the voice of a person.
  • the detection unit in another embodiment includes weight sensors.
  • a 3D time-of-flight sensor and an RGB camera for detecting the facial geometry and / or the stature of a person are provided in the detection unit.
  • Another possibility for detecting biometric features of a person is the evaluation of the electromagnetic radiation reflected or emitted by the person through a corresponding device.
  • the detection unit also includes such a device.
  • a “sensor” does not only designate the technical component which quantitatively detects certain physical and / or chemical properties of its environment as a measured variable and converts them into parameters to be further processed, such as electrical signals, but also a respective sensor if necessary Downstream, mostly digital processing device, which performs a pre-evaluation and evaluation of the measured variable or the measured variables and thus derives from the respective physical input signals to be detected biometric features.
  • the detection unit has the features of the detection device of claims 1 to 20 of the international patent publication WO 02/07106 A1 of the present Applicant for detecting further biometric features.
  • “acquired biometric features” thus designate output data of a respective sensor (also the output data of a camera) of the detection unit, from which further biometric features of a person can be derived, such as e.g. the probable sex, the approximate age, the approximate size, etc. In this sense, for example, the creation of digital photographs of a person falls under "capturing biometric features”.
  • the detection unit includes the possibly necessary post-processing of the sensor output data and for generating and
  • Classification of the person-specific pattern prefers a digital signal processor, such as an FPGA (Fieid Programmable Gate Array). Programs for analyzing and classifying biometric features are advantageously installed on the digital signal processor.
  • FPGA Field Programmable Gate Array
  • the detection unit generates the person-specific pattern in the form of data from the entirety of the acquired biometric features.
  • the generation of the pattern which is also referred to as a template in the following, can already consist in combining the entirety of all acquired biometric features, that is, in the combination of all available output data of the sensors in one file.
  • the generated data record is thus directly assigned to the person.
  • the generation of the person-specific pattern by the detection unit comprises further data-processing-related steps, such as data compression.
  • the person-specific patterns generated by different persons differ, in particular, when the registration unit records a multiplicity of biometric features. In order not to have to save a respective assigned questioning algorithm for each person-specific pattern, it makes sense to classify the person-specific pattern before selecting an algorithm.
  • the classification can be carried out according to the invention in various fine stages.
  • the detection unit can be designed, for example, to classify the person-specific pattern "only” by gender of the respective person. Classification by gender means that person-specific patterns are assigned to the categories "male” or "female".
  • the detection unit is designed to classify according to at least one of the categories of sex, age group, emotional situation, position of the person in the monitored area and / or viewing direction and head rotation of the person.
  • the questioning system can address the person individually and carry out a person-specific questioning.
  • an increased level of personality is achieved, which increases the chances of a positive willingness of the person to participate in the survey.
  • the person can be addressed according to age and gender.
  • the output means of the questionnaire system are, for example, in the form of a loudspeaker, the input means for example in the form of a microphone. Both speaker and microphone are then connected to the computing unit, for example via a USB or Ethemetthetic.
  • text-to-speech and speech-to-text programs are conveniently installed to control the input and output means. For example, such programs are already provided on a sound card in advance.
  • the arithmetic unit includes such a sound card.
  • input means in the form of control switches are also conceivable.
  • query means any type of information which is transmitted by the interrogation system to the person to be interrogated.
  • input means any information that is transmitted by the person to the survey system.
  • the detection unit of the questionnaire system is designed to record selected biometric features of the person several times and to adapt the person-specific pattern in the form of data as a function of the biometric features of the person that have been recorded several times.
  • the information content of the person-specific pattern can be increased.
  • images are recorded by a 3D time-of-flight sensor and / or by an RGB camera of the detection unit for detecting a body or face structure of a person. Due to the movement of the person, these images can be captured in different perspectives by the multiple capture.
  • the person-specific pattern receives a higher information content by adapting to these biometric features that have been recorded multiple times. As a result, in particular the accuracy of a later comparison of the person-specific pattern with already stored person-specific patterns is increased.
  • the detection unit is designed to detect a second object located within a second distance to the detection unit and to generate a data record with a count number for each detected second object, wherein the second distance is greater than the first distance, which the first object has to the registration unit.
  • This embodiment of the survey system allows the execution of a people count in addition to the survey.
  • the questioning system is designed to count second objects also during the questioning of a person who represents the first object.
  • the detection unit is suitably arranged spatially so that the person located within the first distance to the detection unit and participating in the survey does not prevent the detection unit from detecting a monitoring area between the first and the second distance.
  • this embodiment is advantageous.
  • a public transport system in which all passengers are to be counted continuously, as well as individual surveys are to be carried out.
  • statistical surveys by counting, for example, the determination of the percentage of participants in the survey.
  • the arithmetic unit is designed to store the person-specific patterns in a second memory and to compare them with previously stored person-specific patterns.
  • the registration unit If the registration unit generates the person-specific pattern, then it transfers the person-specific pattern to the arithmetic unit.
  • the arithmetic unit always stores a person-specific pattern once in each case.
  • the transferred person-specific pattern compares the arithmetic unit with already stored patterns. If the comparison is positive, i. If the transferred person-specific pattern substantially coincides with one of the already stored patterns, the arithmetic unit discards the generated person-specific pattern and does not save it again. The arithmetic unit then does not start the execution of a survey algorithm.
  • the questioning system in this embodiment is thus designed to avoid a repeated questioning of the same person.
  • the arithmetic unit stores the person-specific pattern. After classification of the pattern by the detection unit, the arithmetic unit executes an interrogation algorithm assigned to the classified person-specific pattern.
  • first and the second memory of the arithmetic unit can be integrated in a monolithic unit as well as spatially separated from each other.
  • the survey system expediently comprises output means and / or input means in the form of a monitor.
  • the monitor is preferably touch-sensitive, so that the interviewee can make inputs via the monitor in the survey system.
  • the arithmetic unit comprises, for example, a graphics card.
  • the arithmetic unit is suitably designed to animate an avatar parallel to the execution of the interrogation algorithm on the monitor.
  • the arithmetic unit of the interrogation system is designed to animate the avatar as a function of the biometric features detected by the registration unit and / or as a function of the person's inputs and / or as a function of the requests.
  • the arithmetic unit animates the avatar so that the avatar responds according to the behavior of the interrogated person.
  • the interviewee is thus given the impression of a real interpersonal communication.
  • the registration unit in this embodiment consequently acquires biometric features of the person and transmits them to the arithmetic unit.
  • the survey system expediently comprises the local giver, wherein the capturing unit is designed to supplement the respective data record with position data of the local giver.
  • This embodiment is particularly suitable when the interrogation system is installed in mobile devices.
  • the technical problem is solved for an operating method for an interactive survey system.
  • the inventive sales method comprises the steps:
  • Executing the interrogation algorithm by transmitting inquiries to the person with output means of the interrogation system and storing inputs of the person, which are detected by input means of the interrogation system.
  • the inventive method of the second aspect of the invention shares the advantages of the interrogation system of the first aspect of the invention and its embodiments mentioned herein.
  • Fig. 1 A functional block diagram of a survey system according to the invention and 2 shows a schematic flow diagram of a polling routine.
  • Fig. 1 shows a schematic representation of an arrangement of a survey system according to the invention 100. It should be noted in advance that the spatial arrangement shown is unrelated to an actual geometric arrangement of the components of the survey system.
  • the survey system 100 comprises a detection unit 110 and a computing unit 120 in communication with the detection unit 110.
  • the detection unit 110 is equipped with a sensor and a digital signal processor, such as an FPGA.
  • the detection unit counts persons 180.1, 180.2 passing the detection unit at a certain second distance 180. From a person 190.1 who is within a first distance 190 from the detection unit, the sensor of the detection unit detects biometric features such as size, shape, facial features, etc.
  • the digital signal processor of the detection unit 110 From the acquired biometric features, the digital signal processor of the detection unit 110 generates a person-specific pattern in the form of data and passes this to the arithmetic unit 120. The arithmetic unit checks whether the pattern already exists. If this is the case, the arithmetic unit 120 does not store the transferred person-specific pattern again and does not execute a questioning algorithm. On the other hand, if the pattern has not yet been stored in the second memory, the pattern is classified. For this purpose, on the digital signal processor of the detection unit 110 is implemented a classification program which classifies the person-specific pattern according to at least one of the following categories: gender, age group, emotional situation, position of the person in the monitored area and viewing direction and head rotation of the person.
  • a loudspeaker 126 Connected to the computing unit is a loudspeaker 126 and a microphone 128.
  • the connection is provided, for example, by a USB connection or by an Ethernet connection.
  • the arithmetic unit 120 is connected to a monitor 132.
  • the monitor is preferably touch-sensitive, so that the interrogated person can make both inputs via the microphone 128 and via the touch-sensitive monitor 132.
  • the arithmetic unit 120 animates an avatar on the monitor.
  • the sensor of the detection unit 110 continuously acquires biometric features of the interrogated person and transmits data the arithmetic unit 120.
  • the arithmetic unit 120 animates the avatar on the monitor 132 as a function of this transmitted data.
  • the arithmetic unit 120 stores the input of the interrogated person 190.1 and transmits the end of the survey, the stored data to a not shown in Fig. 1 higher-level data processing system.
  • the questionnaire system 100 includes a timer 122 and a local generator 124.
  • the arithmetic unit 120 then stores the inputs of the person 190.1 questioned time and place.
  • step 3 shows the flowchart of a polling routine.
  • the person is classified according to sex, age and / or other categories. These classification characteristics of the pattern are recorded together with a time in a result file. Then the arithmetic unit selects a suitable interrogation algorithm and establishes a dialogue with the person. For this purpose, an avatar appears on the monitor and begins the actual dialogue. Queries from the survey system are answered by the person either verbally or by means of appropriate inputs on a touch-sensitive monitor. The inputs of the person are stored in connection with the respective inquiries, the respective time, possibly a respective place and possibly in connection with biometric characteristics of the person, during the questioning. After the end of the dialog, the result file is transferred to a higher-level processing unit for further processing. The system then changes to output status 2.
  • interviewee shows readiness to participate in the survey. If the interviewee shows readiness to participate in the survey, then further follows:
  • the result file then has the following content:
  • This file is forwarded to the higher-level data processing system.
  • the file also contains the biometric characteristics determined by the registration unit, here the characteristics "gender: female” and "age: greater than 70".

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un système d'interrogation interactif pour l'exécution automatique d'un sondage réalisé auprès de personnes, et un procédé permettant la mise en oeuvre d'un tel système d'interrogation. Le dispositif selon l'invention comprend une unité de détection qui identifie des objets, en tant que personnes, et détermine des caractéristiques biométriques de celles-ci. Un ordinateur du système d'interrogation sélectionne, en fonction des caractéristiques biométriques, un algorithme d'interrogation adapté à chaque personne. Le système d'interrogation permet en conséquence l'exécution d'un sondage réalisé auprès d'une personne individuelle, ce qui accroît les chances d'une disposition positive de la personne à la participation audit sondage.
PCT/EP2010/058678 2009-06-18 2010-06-18 Système d'interrogation et procédé permettant la mise en oeuvre d'un système d'interrogation WO2010146178A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009027027.2 2009-06-18
DE200910027027 DE102009027027A1 (de) 2009-06-18 2009-06-18 Befragungssystem und Betriebsverfahren für ein Befragungssystem

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WO2010146178A1 true WO2010146178A1 (fr) 2010-12-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112447050A (zh) * 2019-08-29 2021-03-05 贵州师范学院 一种可根据不同人群调节交通信号灯时长的系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999031609A1 (fr) 1997-12-13 1999-06-24 Software 4 You Gmbh Systeme de sondage electronique
WO2002007106A1 (fr) 2000-07-13 2002-01-24 Iris-Gmbh Infrared & Intelligent Sensors Dispositif de detection
DE10128567A1 (de) 2001-06-13 2003-01-02 Marktforschung Zentzis Gmbh Verfahren und Vorrichtung zum Durchführen von themenspezifischen validierten Befragungen über ein Netzwerk
US20040093263A1 (en) 2002-05-29 2004-05-13 Doraisamy Malchiel A. Automated Interview Method
WO2005081193A1 (fr) * 2004-02-23 2005-09-01 Iris-Gmbh Infrared & Intelligent Sensors Systeme de detection controle par l'utilisateur
US20080082398A1 (en) 2006-09-29 2008-04-03 Cleva Technologies, Llc Customer survey data reporting system and method utilizing an electronic polling device in communication with an internet portal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999031609A1 (fr) 1997-12-13 1999-06-24 Software 4 You Gmbh Systeme de sondage electronique
WO2002007106A1 (fr) 2000-07-13 2002-01-24 Iris-Gmbh Infrared & Intelligent Sensors Dispositif de detection
DE10128567A1 (de) 2001-06-13 2003-01-02 Marktforschung Zentzis Gmbh Verfahren und Vorrichtung zum Durchführen von themenspezifischen validierten Befragungen über ein Netzwerk
US20040093263A1 (en) 2002-05-29 2004-05-13 Doraisamy Malchiel A. Automated Interview Method
WO2005081193A1 (fr) * 2004-02-23 2005-09-01 Iris-Gmbh Infrared & Intelligent Sensors Systeme de detection controle par l'utilisateur
US20080082398A1 (en) 2006-09-29 2008-04-03 Cleva Technologies, Llc Customer survey data reporting system and method utilizing an electronic polling device in communication with an internet portal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112447050A (zh) * 2019-08-29 2021-03-05 贵州师范学院 一种可根据不同人群调节交通信号灯时长的系统

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