WO2020183527A1 - Système de fourniture de contenu - Google Patents

Système de fourniture de contenu Download PDF

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Publication number
WO2020183527A1
WO2020183527A1 PCT/JP2019/009360 JP2019009360W WO2020183527A1 WO 2020183527 A1 WO2020183527 A1 WO 2020183527A1 JP 2019009360 W JP2019009360 W JP 2019009360W WO 2020183527 A1 WO2020183527 A1 WO 2020183527A1
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WIPO (PCT)
Prior art keywords
content
infant
emotion
providing system
determination unit
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PCT/JP2019/009360
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English (en)
Japanese (ja)
Inventor
伴之 服部
Original Assignee
株式会社ファーストアセント
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.)
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Application filed by 株式会社ファーストアセント filed Critical 株式会社ファーストアセント
Priority to JP2019541385A priority Critical patent/JP6627059B1/ja
Priority to PCT/JP2019/009360 priority patent/WO2020183527A1/fr
Publication of WO2020183527A1 publication Critical patent/WO2020183527A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/377—Electroencephalography [EEG] using evoked responses
    • 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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • 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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
    • 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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • 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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations

Definitions

  • the present invention relates to a content providing system.
  • Patent Document 1 discloses an infant monitoring system that processes measurement data to select and customize learning materials suitable for infants. Learning materials can be customized based on factors such as the child's developmental age, readiness, previous learning experience, and caregiver feedback.
  • the measurement data collected by the infant monitoring device includes infant movement, temperature, posture and awakening.
  • Patent Document 1 determines the developmental age of an infant based on smiles and gaze, and determines what kind of learning material should be presented.
  • Patent Document 1 determines the developmental age of an infant based on smiles and gaze, and determines what kind of learning material should be presented.
  • the content providing system is based on an electroencephalogram data acquisition unit that acquires an electroencephalogram data of an infant and a frequency component ratio of a plurality of frequency components included in the electroencephalogram data. It is provided with a growth level determination unit for determining the growth level of the above and a content determination unit for determining the content according to the growth level.
  • the content determination unit determines the content based on the history information regarding the ability of the infant as well as the growth level.
  • the content providing system of the first or second aspect further includes an emotion estimation unit that estimates the emotion of the infant based on the frequency component ratio.
  • the content determination unit determines the content according to the emotion together with the growth level.
  • the content providing system of the first or second aspect further includes an emotion estimation unit that estimates the emotion of the infant based on the frequency component ratio.
  • the brain wave data acquisition unit receives the content determined by the content determination unit together with the brain wave data of the infant in the first state before the infant starts viewing the content determined by the content determination unit.
  • the brain wave data of the infant in the second state after the infant starts viewing is acquired.
  • the emotion estimation unit detects a change in the emotion according to a change in the frequency component ratio of the brain wave data of the infant between the first state and the second state. It is determined whether or not to change the content based on the change of the emotion detected by the emotion estimation unit.
  • the content providing system of the fourth aspect further includes a reaction information acquisition unit that acquires reaction information regarding the reaction of the infant in the second state.
  • the emotion estimation unit detects the change in emotion in response to the fluctuation in the frequency component ratio based on the reaction information of the infant.
  • the content determination unit determines whether or not to change the content based on the change in the emotion detected by the emotion estimation unit.
  • the content providing system of the fifth aspect further includes a database in which the brain wave data of the infant in the second state and the reaction information are associated with each other.
  • the emotion estimation unit corresponds to the fluctuation of the frequency component ratio of a plurality of frequency components included in the brain wave data of another infant different from the infant in which the brain wave data and the reaction information are associated with each other by the database. Changes in emotions of other infants are estimated with reference to the database.
  • the content determination unit determines whether or not to change the content being viewed by the other infant based on the change in the emotion of the other infant before and after the start of viewing the content.
  • the content preferably includes an introductory article of the product for infants.
  • FIG. 1 is a diagram showing a configuration of a content providing system, an electronic device, and an electroencephalogram sensor according to the first embodiment of the present invention.
  • FIG. 2 is a diagram illustrating how the EEG data of an infant is acquired.
  • FIG. 3 is a diagram illustrating how the content is distributed according to the growth level of the infant's brain.
  • FIG. 4 is a diagram showing an example of content providing processing executed by running a computer program in the content providing system according to the first embodiment.
  • FIG. 5 is a diagram showing a configuration of a content providing system and an electronic device according to a second embodiment of the present invention.
  • FIG. 6 is a diagram illustrating how the provided content is determined based on the historical information regarding the ability of the infant.
  • FIG. 1 is a diagram showing a configuration of a content providing system, an electronic device, and an electroencephalogram sensor according to the first embodiment of the present invention.
  • FIG. 2 is a diagram illustrating how the EEG data of an infant is acquired.
  • FIG. 7 is a diagram for explaining a configuration of a content providing system according to a third embodiment of the present invention and an example of emotion estimation of an infant in the content providing system.
  • FIG. 8 is a diagram showing an example of content providing processing executed by running a computer program in the content providing system according to the third embodiment.
  • FIG. 9 is a diagram showing an example of content providing processing executed by running a computer program in the content providing system according to the fourth embodiment of the present invention.
  • FIG. 10 is a diagram for explaining a configuration example of the content providing system according to the fifth embodiment of the present invention and an example of acquiring and using reaction information regarding the reaction of an infant after starting content viewing.
  • FIG. 10 is a diagram for explaining a configuration example of the content providing system according to the fifth embodiment of the present invention and an example of acquiring and using reaction information regarding the reaction of an infant after starting content viewing.
  • FIG. 11 shows how the reaction information regarding the reaction of the infant to the provided content performed in the content providing system according to the sixth embodiment of the present invention is acquired, and an example of the content providing process to other infants based on the reaction information of the infant. It is a figure for demonstrating.
  • FIG. 12 is a diagram illustrating a product supply mode of a computer program running on the content providing system in each embodiment.
  • FIG. 13 is a diagram for exemplifying how an introduction article of a product for infants provided by a content providing system in a modified example of each embodiment of the present invention is displayed on a screen of an electronic device.
  • FIG. 1 is a diagram showing a configuration of a content providing system 20, an electronic device 10, and an electroencephalogram sensor 5 according to the first embodiment of the present invention.
  • the electronic device 10, the content providing system 20, and the content distribution server 35 are connected to each other via the communication network 30.
  • the content providing system 20 is connected to the database 25 or has a built-in database 25.
  • the electronic device 10 is connected to the electroencephalogram sensor 5 via wireless communication such as Bluetooth (registered trademark).
  • the electronic device 10 is, for example, a mobile terminal such as a smartphone, a tablet computer, or a personal computer, and may be a dedicated terminal or a general-purpose terminal.
  • the content distribution server 35 distributes content to the electronic device 10 according to signal control by the content providing system 20.
  • the delivered contents are contents for infants such as learning contents and entertainment contents.
  • the brain wave sensor 5 includes a processor 6, a memory 7, and a communication module 8.
  • the processor 6 logically has an electroencephalogram data collection unit 61 by activating a computer program stored in the memory 7.
  • the electroencephalogram data collecting unit 61 collects the electroencephalogram of an infant wearing the electroencephalogram sensor 5 as electroencephalogram data, and transmits the collected electroencephalogram data to the electronic device 10 by wireless communication via the communication module 8.
  • the electronic device 10 includes a processor 11, a memory 12, an input interface 13, an output device 14, and a communication module 15.
  • the processor 11 has a data processing unit 111 that controls the operation of the input interface 13 and the communication module 15 by activating a computer program stored in the memory 12, and an output control unit 112 that controls the output device 14.
  • the input interface 13 is, for example, a touch panel.
  • the history information and reaction information described later are input to the input interface 13 as screen input data by the user.
  • the output device 14 is, for example, a display and / or a touch panel, and has a display output function of the content distributed from the content distribution server 35 or an input screen of history information and reaction information described later.
  • the communication module 15 receives the electroencephalogram data from the electroencephalogram sensor 5 and transmits the electroencephalogram data to the content providing system 20. Further, the communication module 15 receives the content from the content distribution server 35 and the information for displaying the input screen of the history information and the reaction information described later from the content providing system 20.
  • the content providing system 20 includes a processor 21, a memory 22, and a communication module 23.
  • the processor 21 of the content providing system 20 activates the computer program stored in the memory 22 to cause the brain wave data acquisition unit 211, the growth level determination unit 212, the content determination unit 213, and the content control unit 214. , Logically.
  • the electroencephalogram data acquisition unit 211 acquires the infant electroencephalogram data collected by the electroencephalogram sensor 5 and transmitted from the electronic device 10 via the communication module 23, and records it in the database 25.
  • the growth level determination unit 212 refers to the database 25, and based on the frequency component ratio of a plurality of frequency components included in the electroencephalogram data acquired by the electroencephalogram data acquisition unit 211, the growth level of the infant's brain. To judge.
  • the content determination unit 213 refers to the database 25 and determines the content to be provided according to the growth level of the infant's brain determined by the growth level determination unit 212.
  • the content control unit 214 transmits a signal for controlling the content distribution server 35 so that the content determined by the content determination unit 213 is provided to the electronic device 10 to the content distribution server 35 via the communication module 23.
  • FIG. 2 is a diagram illustrating how the electroencephalogram data 51 of the infant 1 is acquired.
  • the infant 1 wears an electroencephalogram sensor 5.
  • the electroencephalogram 50 of the infant 1 acquired by the electroencephalogram sensor 5 is represented by a waveform having a potential on the vertical axis and time on the horizontal axis.
  • the brain wave 50 includes various types of brain waves, and specifically includes frequency components such as gamma waves, beta waves, alpha waves, theta waves, and delta waves.
  • the ratios are 5%, 5%, 8%, 16% and 66%, respectively.
  • the frequency component ratios of the above-mentioned plurality of frequency components contained in the brain wave 50 of the infant 1 at 12:11 are 4%, 4%, 9%, 13% and 70%, respectively.
  • the frequency component ratios of the above-mentioned plurality of frequency components contained in the brain wave 50 of the infant 1 at 12:12 are 3%, 6%, 10%, 14% and 67%, respectively.
  • the frequency component ratios of the above-mentioned plurality of frequency components contained in the electroencephalogram 50 of infant 1 at 12:13 are 4%, 5%, 9%, 13% and 69%, respectively.
  • the frequency component ratios of the above-mentioned plurality of frequency components contained in the electroencephalogram 50 of infant 1 at 12:14 are 5%, 5%, 10%, 15% and 65%, respectively.
  • the frequency component ratio data of these multiple frequency components is not limited to the data from 12:10 to 12:14, and includes the data before 12:10 and the data after 12:14, including infants. It is recorded in the database 25 as the brain wave data 51 of 1 # 1.
  • an electroencephalogram data acquisition unit 211 collected from each of n infants 1 # 1, # 2, ..., # N and included in the processor 21 of the content providing system 20.
  • the electroencephalogram data 51 acquired by the above is recorded in the database 25.
  • FIG. 3 is a diagram illustrating how the content is distributed according to the growth level of the brain of the infant 1.
  • Infants also grow their brains as they get older. It is known that as the infant's brain grows, the frequency component ratio of a plurality of frequency components contained in the brain wave fluctuates. Therefore, if content is provided based on a constant frequency component ratio regardless of the age of the infant, there is a risk that inappropriate content will be provided to the infant.
  • a process of determining the growth level of the brain of the infant 1 with reference to the age-specific standard value table 55 in which the frequency component ratio is recorded for each age of the infant 1. Is done. Therefore, as illustrated in FIG.
  • 3A is the age-specific standard value table 55 of the frequency component ratios of the plurality of frequency components included in the electroencephalogram 50 of the infant 1 recorded in advance in the database 25? Alternatively, it is calculated and recorded based on the brain wave data 51 of n infants 1 # 1, # 2, ..., # N described above.
  • the standard of the frequency component ratio of gamma wave, beta wave, alpha wave, theta wave and delta wave contained in the brain wave of an infant of 0 years and 4 months The values are 2%, 3%, 6%, 12% and 77%, respectively.
  • the standard values of these frequency component ratios contained in the brain waves of 0 years and 6 months old infants are 4%, 6%, 7%, 13% and 70%, respectively.
  • the standard values of those frequency component ratios contained in the brain waves of 0 years and 8 months old infants are 8%, 11%, 12%, 14% and 55%, respectively.
  • the standard value of each frequency component ratio contained in the brain waves of infants under 0 years and 4 months and infants over 0 years and 8 months is also included in the age-specific standard value table 55.
  • the growth level determination unit 212 included in the processor 21 of the content providing system 20 refers to the database 25 and compares the brain wave data 51 of the infant 1 with the age-specific standard value table 55 to determine the growth level of the brain of the infant 1. To judge. For example, based on the average value of each frequency component ratio contained in the brain wave of infant 1 and the standard value for each age, the age corresponding to the nearest standard value is specified by using the least squares method, and the specified age is specified. Is determined to indicate the growth level of the brain of the infant 1. When calculating the least squares value of each frequency component, the weighting for each frequency component may be different values. For example, under the assumption that the main component of the brain wave of the infant 1 is the delta wave, it is conceivable that the weight given to the component of the delta wave is larger than the weight given to the other frequency components. Be done.
  • an age-specific content list 91 in which the content illustrated in FIG. 3B is associated with the lower age limit of infants who can view each content is recorded.
  • the content list 91 by age for example, the record that the lower limit of the age of the infant who can watch the contents V11 and V12 is a1, and the lower limit of the age of the infant who can watch the contents V21, V22 and V23 is a2.
  • the content determination unit 213 included in the processor 21 of the content provision system 20 refers to the database 25 and displays the content according to the brain growth level of the infant 1 determined by the growth level determination unit 212 in the age-specific content list 91. Decide from the inside. For example, when it is determined that the growth level of the brain of the infant 1 corresponds to the age a2 or higher, any one of the contents V21, V22 and V23 is determined as the content provided from the content distribution server 35 to the electronic device 10. Will be done.
  • the infant 1 views the content displayed on the output device 14 of the electronic device 10. Can be done. At this time, if the infant 1 is wearing the electroencephalogram sensor 5, it is possible to continuously acquire the electroencephalogram data 51 of the infant 1 during and after viewing the content.
  • FIG. 4 is a diagram showing an example of content providing processing executed by running a computer program in the content providing system 20 according to the present embodiment.
  • the processor 21 of the content providing system 20 activates the computer program stored in the memory 22 and executes the process shown in FIG. 4, thereby causing the brain wave data acquisition unit 211, the growth level determination unit 212, and the content determination unit. It functions as 213 and the content control unit 214.
  • step S410 the brain wave data acquisition unit 211 acquires the brain wave data 51 of the infant 1 from the electronic device 10 via the communication module 23.
  • step S420 the growth level determination unit 212 refers to the age-specific standard value table 55 described above, and based on the frequency component ratios of the plurality of frequency components included in the electroencephalogram data 51 acquired in step S410, the infant 1 Determine the growth level of the brain.
  • the process of determining the growth level of the baby 1's brain in step S420 is not necessarily executed every time the electroencephalogram data acquisition process in step S10 is performed, but is skipped and the process in step S430 described later is performed. May be good.
  • step S420 For example, if the history of the determination process of the brain growth level of the infant 1 in step S420 being executed once after the infant 1 becomes 0 years and 4 months is recorded, is the infant 1 0 years and 4 months old? During the period of the month, the subsequent EEG data acquisition process in step S430 is skipped. In that case, in the processing steps after step S430, which will be described later, the recorded growth level determination history is used as the growth level of the brain of the infant 1 determined in step S420.
  • step S430 the content determination unit 213 refers to the above-mentioned age-specific content list 91, and determines the content according to the growth level of the brain of the infant 1 determined in step S420.
  • the content control unit 214 transmits a signal for controlling the content distribution server 35 so that the content determined in step S430 is provided to the electronic device 10 to the content distribution server 35 via the communication module 23 in step S440, Content provision to the electronic device 10 is started.
  • step S450 the content control unit 214 determines whether or not the end of content provision to the electronic device 10 started in step S440 is detected. If a negative determination is obtained, this determination processing step is repeated until an affirmative determination is obtained. If a positive determination is obtained, the content providing process proceeds to step S460.
  • step S460 the content control unit 214 determines whether or not to continue providing the content to the electronic device 10. For example, when the caregiver of the infant 1 performs an input operation indicating an intention to continue providing the content via the input interface 13 of the electronic device 10, the signal generated by the input operation is transmitted via the communication module 23. Received by the content control unit 214. Based on the received signal, the content control unit 214 determines whether or not to continue providing the content to the electronic device 10. If a positive determination is obtained, this content providing process returns to step S410. If a negative determination is obtained, this content provision process ends.
  • the content providing system 20 has a processor 21 including an electroencephalogram data acquisition unit 211, a growth level determination unit 212, and a content determination unit 213.
  • the electroencephalogram data acquisition unit 211 acquires the electroencephalogram data 51 of the infant 1.
  • the growth level determination unit 212 determines the growth level of the brain of the infant 1 based on the frequency component ratios of the plurality of frequency components included in the electroencephalogram data 51.
  • the content determination unit 213 determines the content according to the growth level. Therefore, there is an increased possibility that appropriate content can be provided according to the actual growth of the infant 1's brain.
  • FIG. 5 is a diagram showing the configuration of the content providing system 20 and the electronic device 10 according to the second embodiment of the present invention.
  • the processor 11 of the electronic device 10 further includes an input control unit 113.
  • the caregiver of the infant 1 inputs information regarding the ability of the infant 1 to the screen displayed on the input interface 13 of the electronic device 10.
  • the input control unit 113 controls the input of information regarding the ability of the infant 1.
  • the output device 14 of the electronic device 10 is composed of a touch panel display and also functions as an input interface 13.
  • the input information on the ability of the infant 1 is transmitted to the content providing system 20 as history information on the ability of the infant 1 together with the information on the age after birth when the information is first confirmed.
  • the transmission of the history information regarding the ability of the infant 1 to the content providing system 20 is performed by the data processing unit 111 via the communication module 15.
  • the processor 21 of the content providing system 20 further includes a history information acquisition unit 215.
  • the history information acquisition unit 215 acquires the history information regarding the ability of the infant 1 transmitted from the electronic device 10 via the communication module 23 and records it in the database 25.
  • the history information regarding the ability of the infant 1 is used for the content determination by the content determination unit 213, as will be described later.
  • FIG. 6 is a diagram illustrating how the provided content is determined based on the history information 54 regarding the ability of the infant.
  • the output device 14 of the electronic device 10 displays a screen for the caregiver of the infant 1 to input information regarding the ability of the infant 1, and a message is displayed on the screen. 141 and the input field 142 are displayed. Specifically, as message 141, the message "What can your child do for the first time?" Is displayed. In response to this, an item related to the ability of infant 1 called "speaking a bilingual sentence" is displayed, and it is indicated by a box "I was able to do it for the first time" displayed as an input field 142 corresponding to this item.
  • the age of the infant 1 at the time of the input operation is automatically or manually input.
  • the display of the message 141 and the input field 142, and the input to the input field 142 are controlled by the input control unit 113 of the processor 11.
  • a display saying “stack 6 blocks” is also output as one of the items related to the ability of the infant 1. If this ability has not yet been confirmed, no input operation is performed on the area indicated by the "first time” box displayed as the input field 142 corresponding to this item.
  • a display "wash your hands by yourself” is also output as one of the items related to the ability of the infant 1. Since this ability has already been confirmed, the display "1 year and 3 months” is output as the age of the infant 1 for which this ability was confirmed for the first time. In this way, the history information regarding the ability of the infant 1 is edited in the electronic device 10 and transmitted to the content providing system 20 as described above.
  • FIG. 6B exemplifies the history information 54 relating to the ability of the infant 1 # 1 transmitted from the electronic device 10 to the content providing system 20 and recorded in the database 25 by the history information acquisition unit 215 of the processor 21.
  • the ability to "do yes”, the ability to "wash hands by oneself", and the ability to "speak bilingual sentences" are "0 years and 6 months” in infants 1 # 1, respectively. , “1 year and 3 months", and "1 year and 6 months", which was confirmed for the first time at the age of birth.
  • the age-specific content list 91 in which the content and the lower limit of the age of the infant who can view each content are associated with each other as in FIG. 3 (b) relates to the ability of the infant 1.
  • the viewing conditions are also recorded in the database 25 in the associated format.
  • the content list 91 by age for example, the record that the lower limit of the age of the infant who can watch the contents V11 and V12 is a1, and the lower limit of the age of the infant who can watch the contents V21, V22 and V23 is a2.
  • the content V11 is associated with the viewing condition C1 relating to the ability of the infant 1, and the content V12 is associated with the viewing condition C2 relating to the ability of the infant 1.
  • the content V21 is associated with the viewing condition C2 relating to the ability of the infant 1
  • the content V22 is associated with the viewing condition C3 relating to the ability of the infant 1
  • the content V23 is associated with the viewing condition C4 relating to the ability of the infant 1. It is associated.
  • infants 1 # 1 who do not reach age a2 have a high brain growth level, and the average infant 1 has the ability to "speak bilingual sentences" which is not confirmed until they reach age a2 or older. There may be cases where it is confirmed in. Therefore, as the content V12, advanced content is provided for the infant 1 who does not reach the age a2 or older, and the ability of the infant 1 to "speak a bilingual sentence" is confirmed as the viewing condition C2.
  • Content according to the growth level of the brain of infant 1 # 1 can be provided.
  • the content determination unit 213 included in the processor 21 of the content provision system 20 refers to the database 25, and the content according to the brain growth level of the infant 1 determined by the growth level determination unit 212 is classified by age. It is determined from the content list 91 based on the history information 54 regarding the ability of the infant 1.
  • the content determination unit 213 determines the content based on the history information 54 regarding the ability of the infant 1 together with the growth level of the brain of the infant 1 determined by the growth level determination unit 212. Therefore, the possibility of providing appropriate content according to the actual growth of the infant 1's brain is further increased.
  • FIG. 7 is a diagram for explaining the configuration of the content providing system 20 according to the third embodiment of the present invention and an example of emotion estimation of the infant 1 in the content providing system 20.
  • the processor 21 of the content providing system 20 further includes an emotion estimation unit 216.
  • the emotion estimation unit 216 estimates the emotion of the infant 1 based on the frequency component ratios of the plurality of frequency components included in the brain wave data 51 of the infant 1.
  • the content determination unit 213 determines the content according to the emotion of the infant 1 estimated by the emotion estimation unit 216 together with the growth level of the brain of the infant 1.
  • the EEG frequency component ratio table for each emotion is recorded in the database 25 in advance for each infant.
  • FIG. 7B illustrates an EEG frequency component ratio table 57 for each emotion of an infant 1 # 1.
  • the frequency component ratios of multiple frequency components such as gamma wave, beta wave, alpha wave, theta wave and delta wave contained in the brain wave 50 when the infant 1 # 1 is pleased are 0%, 11% and 12%, respectively. , 9% and 68%.
  • the frequency component ratios of the above-mentioned plurality of frequency components contained in the electroencephalogram 50 when infant 1 # 1 is crying are 6%, 12%, 1%, 11% and 70%, respectively.
  • the frequency component ratios of the above-mentioned plurality of frequency components contained in the brain wave 50 when the infant 1 # 1 is in a sleepy state are 2%, 0%, 1%, 16%, and 81%, respectively.
  • the frequency component ratios corresponding to various other emotions may be recorded in the EEG frequency component ratio table 57 by emotion.
  • FIG. 8 is a diagram showing an example of content providing processing executed by running a computer program in the content providing system 20 according to the present embodiment.
  • the processor 21 of the content providing system 20 activates the computer program stored in the memory 22 and executes the process shown in FIG. 8, thereby causing the brain wave data acquisition unit 211, the growth level determination unit 212, and the content determination unit. It functions as 213, a content control unit 214, and an emotion estimation unit 216.
  • FIG. 8 includes the same processing steps as in FIG. 4, and the description thereof will be omitted.
  • the processing step represented by step S425 is inserted between step S420 and step S430 in FIG.
  • the emotion estimation unit 216 records the emotions of the infant 1 in advance in the database 25 based on the frequency component ratios of the plurality of frequency components included in the electroencephalogram data 51 of the infant 1 acquired in step S410.
  • the emotion of the infant 1 is estimated with reference to the electroencephalogram frequency component ratio table 57.
  • the emotion corresponding to the closest frequency component ratio by using the minimum square method is identified, and the identified emotion is presumed to be the emotion of the infant 1.
  • the age-specific content list 91 in which the content, the lower age limit of the infant who can view each content, and the viewing condition are associated with each other is stored in the database 25. It has been recorded.
  • the viewing conditions correspond to emotions such as "happy", “crying” and "sleepy”.
  • the content determination unit 213 refers to the age-specific content list 91, and determines the content according to the emotion of the infant 1 estimated by the emotion estimation unit 216 (see step S430 in FIG. 8).
  • the content determined according to the emotion of the infant 1 depends on the purpose of allowing the infant 1 to view the content. For example, it is conceivable that the infant 1 is put to sleep during the nighttime, or the infant 1 is made to learn during the daytime.
  • the purpose of viewing the content of the infant 1 may be set each time the caregiver of the infant 1 intends to receive the content, or may be automatically set according to the time. According to the purpose set in this way, for example, for a happy infant 1, the content that promotes drowsiness of the infant 1 is determined by the content determination unit 213 in the nighttime zone, and the infant 1 is calmed down in the daytime zone.
  • the content to be learned is determined by the content determination unit 213.
  • each content included in the age-specific content list 91 is content that encourages happy infants to become drowsy or content that makes happy infants calmly learn can be viewed by viewing the age-specific content list 91. It is associated with each content as a condition.
  • the processor 21 of the content providing system 20 further includes an emotion estimation unit 216 that estimates the emotion of the infant 1 based on the frequency component ratio of a plurality of frequency components included in the brain wave data of the infant 1.
  • the content determination unit 213 determines the content according to the emotion of the infant 1 as well as the growth level of the brain of the infant 1. Therefore, it is highly possible that not only the actual growth of the infant 1's brain but also the appropriate content can be provided according to the inner condition of the infant 1.
  • FIG. 9 is a diagram showing an example of content providing processing executed by running a computer program in the content providing system 20 according to the fourth embodiment of the present invention.
  • the description of the contents common to the first, second or third embodiment will be omitted.
  • FIG. 9 includes the same processing steps as those in FIG. 8, and the description thereof will be omitted.
  • the determination processing steps represented by steps S426, S427 and S428 are inserted between steps S425 and S430 in FIG.
  • the content providing process returns to step S410 in FIG. In this content providing process configured in this way, the provided content can be changed according to the emotion of the infant 1 while viewing the content.
  • step S426 the emotion estimation unit 216 determines whether or not the infant 1 is viewing the content. If a negative determination is obtained, the process of step S430 is performed. If an affirmative determination is obtained, the process of step S427 is performed.
  • the emotion estimation unit 216 determines whether or not there is an emotional change in the infant 1.
  • the brain wave data 51 of the infant 1 in the first state before the infant 1 starts viewing the content determined by the content determination unit 213 in step S430 in the previous content providing process is the brain wave data 51 of the infant 1 in the previous content providing process. It is acquired by the electroencephalogram data acquisition unit 211 in step S410. Further, the electroencephalogram data 51 of the infant 1 in the second state after the infant 1 starts viewing the content is acquired by the electroencephalogram data acquisition unit 211 in step S410 in the content providing process this time.
  • the emotion estimation unit 216 changes the emotion of the infant 1 according to the fluctuation of the frequency component ratio of the plurality of frequency components included in the brain wave data 51 of the infant 1 between the first state and the second state described above. Is detected.
  • step S427 If a negative determination is obtained in step S427, this content provision process proceeds to step S450. If a positive determination is obtained, the process of step S428 is performed.
  • step S428, the content determination unit 213 determines whether or not the content being viewed by the infant 1 is changed based on the emotional change of the infant 1 detected by the emotion estimation unit 216 in step S427. For example, when the emotion of the infant 1 changes and the fluctuation amount of the frequency component ratio of the plurality of frequency components included in the brain wave data 51 of the infant 1 reaches a predetermined value or more, the content being viewed by the infant 1 is changed. Is decided. If an affirmative determination is obtained, the content being viewed by the infant 1 is changed by the subsequent processing in step S430 and subsequent steps. If a negative determination is obtained, the process of step S450 is performed.
  • step S450 If an affirmative determination is obtained in step S450, the process of step S460 is performed. If a negative determination is obtained in step S450, the content providing process returns to step S410, and then again, based on the emotional change of the infant 1, whether or not the infant 1 changes the content being viewed. The process of determining is performed.
  • the processor 21 of the content providing system 20 has an emotion estimation unit 216 that estimates the emotion of the infant 1 based on the frequency component ratio of a plurality of frequency components included in the brain wave data 51 of the infant 1.
  • the brain wave data acquisition unit 211 together with the brain wave data 51 of the infant 1 in the first state before the infant 1 starts viewing the content determined by the content determination unit 213, and the content determined by the content determination unit 213, the infant 1 Acquires the electroencephalogram data 51 of the infant 1 in the second state after the start of viewing.
  • the emotion estimation unit 216 detects a change in the emotion of the infant 1 in response to a change in the frequency component ratio described above in the brain wave data 51 of the infant 1 between the first state and the second state described above.
  • the content determination unit 213 determines whether or not the content being viewed by the infant 1 is changed based on the emotional change of the infant 1 detected by the emotion estimation unit 216. Therefore, it is highly possible that not only the actual growth of the infant 1's brain but also the appropriate content can be provided in a timely manner according to the inner condition of the infant 1.
  • FIG. 10 is a diagram for explaining a configuration example of the content providing system 20 according to the fifth embodiment of the present invention and an example of acquiring and using reaction information 146 regarding the reaction of the infant 1 after starting content viewing. ..
  • the description of the contents common to the first, second, third, or fourth embodiment will be omitted.
  • the processor 21 of the content providing system 20 further includes a reaction information acquisition unit 217.
  • the reaction information acquisition unit 217 acquires the reaction information regarding the reaction of the infant 1, which will be described later, transmitted from the electronic device 10 via the communication module 23, and records it in the database 25.
  • the reaction information regarding the reaction of the infant 1 is used for changing the content by the content determination unit 213, as will be described later.
  • the emotion estimation unit 216 detects the emotional change of the infant 1 after the start of viewing the content, as in the fourth embodiment described above, while the emotional change is detected as an opportunity.
  • the reaction information acquisition unit 217 inquires of the caregiver of the infant 1 about the content of the emotional change of the infant 1 via the input screen displayed on the output device 14 of the electronic device 10, so that the reaction information regarding the reaction of the infant 1 is obtained. The process to get is added.
  • the reaction information transmitted from the electronic device 10 is displayed on the input screen displayed on the output device 14 of the electronic device 10 illustrated in FIG. 10B, after the caregiver of the infant 1 starts viewing the content. It is obtained by performing an operation of inputting reaction information 146 regarding the reaction of 1.
  • the input screen may be displayed together with the content being viewed by the infant 1, and the content display screen is temporarily moved to the background. Then, only the input screen may be displayed, or the input screen may be displayed on an electronic device other than the electronic device 10 on which the content is displayed.
  • reaction information 146 are displayed on the input screen shown in FIG. 10B. Specifically, as message 145, the message "Did the child's emotions during viewing change?" Is displayed. Reaction information 146 is displayed as an option for responding to this message. As the reaction information 146, the options of "happy”, “crying", “sleepy", and “other” are displayed. When the caregiver of the infant 1 # 1 inputs and operates the option “crying" as the reaction information 146 on the screen of the electronic device 10, the reaction information 146 is transmitted from the electronic device 10. The reaction information acquisition unit 217 acquires the reaction information 146 regarding the reaction of the infant 1 after the start of viewing the content via the communication module 23.
  • the content determination unit 213 determines whether or not the emotional change of the infant 1 has occurred after the content detected by the emotion estimation unit 216 is viewed. It may be possible to make an accurate judgment. The content determination unit 213 determines whether or not the content being viewed by the infant 1 is changed according to the determination result.
  • the ratio table 57 can be updated.
  • the emotion estimation unit 216 again detects a change in emotion according to a change in the frequency component ratio of a plurality of frequency components included in the brain wave data 51 of the infant 1 who is continuously viewing the content, the caregiver of the infant 1 It is not necessary to input the reaction information 146 to. Since the emotion estimation unit 216 can estimate the emotion of the infant 1 by referring to the EEG frequency component ratio table 57 by emotion updated based on the reaction information 146 already acquired by the reaction information acquisition unit 217, the infant 1 Emotional changes can be detected more accurately.
  • the content determination unit 213 determines whether or not the content being viewed by the infant 1 is changed based on the emotional change of the infant 1 detected by the emotion estimation unit 216.
  • the processor 21 of the content providing system 20 further has a reaction information acquisition unit 217 that acquires reaction information 146 regarding the reaction of the infant 1 in the state after the content is started to be viewed.
  • the emotion estimation unit 216 detects a change in the emotion of the infant 1 according to a change in the frequency component ratio of a plurality of frequency components included in the brain wave data 51 of the infant 1 based on the reaction information 146 of the infant 1.
  • the content determination unit 213 determines whether or not the content being viewed by the infant 1 is changed based on the emotional change of the infant 1 detected by the emotion estimation unit 216. Therefore, it is highly possible that not only the actual growth of the infant 1's brain but also the appropriate content based on the inner state of the infant 1 can be provided in a timely manner.
  • FIG. 11 shows how the reaction information 148 regarding the reaction of the infant 1 # 1 to the provided content performed in the content providing system according to the sixth embodiment of the present invention is acquired and is based on the reaction information 148 of the infant 1 # 1. It is a figure for demonstrating the example of the content provision process for infants 1 # 2. In the description of the sixth embodiment, the description of the contents common to the first, second, third, fourth, or fifth embodiment will be omitted.
  • the reaction information acquisition unit 217 inquires of the caregiver of the infant 1 about the reaction of the infant 1 after the start of viewing the content via the input screen displayed on the output device 14 of the electronic device 10.
  • the reaction information of the infant 1 can be acquired from the device 10.
  • the reaction information transmitted from the electronic device 10 relates to the reaction of the infant 1 to the content after the content viewing starts with respect to the input screen displayed on the output device 14 of the electronic device 10 illustrated in FIG. 11A.
  • the reaction information 148 is obtained by the caregiver of the infant 1 performing an operation of inputting the reaction information 148 after the content is completed.
  • the message 147 and the reaction information 148 are displayed on the input screen shown in FIG. 11A.
  • message 147 the message "Did your child be pleased with this content?" Is displayed.
  • Reaction information 148 is displayed as an option for responding to this message.
  • the reaction information 148 the options of "happy”, “crying”, “sleepy”, and “other” are displayed.
  • the caregiver of the infant 1 # 1 inputs and operates the option "I was pleased" as the reaction information 148 of the infant 1 # 1 to the content V22 on the screen of the electronic device 10
  • the reaction information 148 is input to the electronic device. 10 is transmitted, and the reaction information acquisition unit 217 acquires the reaction information 148 via the communication module 23.
  • the reaction information acquisition unit 217 can acquire the reaction information 148 of the infant 1 # 1 for various contents.
  • the brain wave data acquisition unit 211 can acquire the frequency component ratios of the plurality of frequency components included in the brain wave data 51 of the infant 1 # 1 after the start of viewing each content.
  • the EEG frequency component ratio table 57 by emotion similar to that in FIG. 10C can be recorded in the database 25.
  • the age-specific content list 91 as shown in FIG. 11B can be created.
  • the reaction information acquisition unit 217 has acquired the reaction information 148 of the infant 1 # 1 saying that the infant 1 # 1 was "happy" after starting to watch the content V22.
  • the reaction information acquisition unit 217 is based on the reaction information 148 in the age-specific content list 91 recorded in the database 25, the content V22 having the lower limit of age a2. As a viewing condition corresponding to, it is recorded that it was suitable for infants 1 # 1. Further, in the example shown in FIG. 11B, the viewing conditions corresponding to the content V21 having the lower age limit value a2 in the age-specific content list 91 based on the reaction information 148 of the infant 1 # 1 after the content V21 is started to be viewed. As a result, it is recorded that it was unsuitable for infants 1 # 1.
  • the viewing condition column corresponding to the content V23 of the age lower limit value a2 is the viewing condition based on the reaction information 148 of the infant 1 # 1. Has not been recorded and has not been set.
  • the EEG frequency component ratio table 57 by emotion corresponding to other infants 1 # 2 different from infant 1 # 1 is also recorded in the database 25 in the same manner.
  • another infant 1 # 3 which is different from the infant 1 # 1 and the infant 1 # 2 has started viewing the content V21.
  • the EEG frequency component ratio table 57 by emotion corresponding to the infant 1 # 3 has not yet been recorded in the database 25.
  • the brain wave data 51 of the infant 1 # 3 is repeatedly acquired by the brain wave data acquisition unit 211 through the same content providing process as in FIG. 9 from the state before the infant 1 # 3 starts viewing the content V21.
  • the emotional changes of infants 1 # 3 according to the fluctuations in the frequency component ratios of the plurality of frequency components included in the acquired electroencephalogram data 51 are detected by the emotion estimation unit 216 through the same content providing process as in FIG. ..
  • the emotion estimation unit 216 refers to the EEG frequency component ratio table 57 for each emotion corresponding to the infant 1 # 1 and the EEG frequency component ratio table 57 for each emotion corresponding to the infant 1 # 2, and refers to the EEG frequency component ratio table 57 for the infant 1 # 3.
  • the emotional changes of infants 1 # 3 corresponding to the fluctuations of the frequency component ratios of the plurality of frequency components included in the electroencephalogram data 51 are specified.
  • the fluctuation data of the frequency component ratios of the plurality of frequency components included in the brain wave data 51 of the infant 1 # 3 is the fluctuation of the frequency component ratios of the plurality of frequency components included in the brain wave data 51 of the infant 1 # 1.
  • Which of the data and the fluctuation data of the frequency component ratios of the plurality of frequency components included in the brain wave data 51 of the infant 1 # 2 is similar is detected by using, for example, the least square method.
  • the emotion estimation unit 216 determines the emotional change of infant 1 # 3. Estimate based on infant 1 # 1.
  • the content determination unit 213 determines whether or not to change the content V21 being viewed by the infant 1 # 3 based on the emotional change of the infant 1 # 3 estimated by the emotion estimation unit 216. For example, a state in which the amount of change in the frequency component ratio of a plurality of frequency components included in the brain wave data 51 of infants 1 # 3 after starting viewing of the content V21 is larger than a predetermined value, and the emotion after the change is crying. When is, the content change is determined. According to the age-specific content list 91 illustrated in FIG. 11B, since the viewing conditions that the content V22 is suitable for the infant 1 # 1 are set, the infant 1 # 3 showing the same emotional change. Content V22 is also considered to be suitable. Therefore, the content determination unit 213 decides to change the content V21 being viewed by the infant 1 # 3 to the content V22.
  • the content providing system 20 further has a database 25 in which the brain wave data 51 of the infant 1 # 1 and the reaction information 148 in the state after starting the viewing of the content are associated with each other.
  • the emotion estimation unit 216 is a frequency component ratio of a plurality of frequency components included in the brain wave data 51 of another infant 1 # 3, which is different from the infant 1 # 1 in which the brain wave data 51 and the reaction information 148 are associated with each other by the database 25.
  • the emotional changes of infants 1 # 3 corresponding to the fluctuations of the above are estimated with reference to the database 25.
  • the content determination unit 213 determines whether or not to change the content being viewed by the infant 1 # 3 based on the emotional change of the infant 1 # 3 before and after the start of viewing the content. Therefore, there is an increased possibility that appropriate content can be provided in a timely manner based on the inner condition of infants 1 # 3 who receive the content provision for the first time.
  • FIG. 12 is a diagram illustrating a product supply mode of a computer program running on the content providing system 20 in each of the above-described embodiments.
  • the computer program running on the content providing system 20 can be provided to the content providing system 20 through a recording medium 45 such as a CD-ROM or a USB memory, or a data signal flowing through a communication network 30 such as the Internet.
  • the computer program providing server 40 is a server computer that provides the above-mentioned computer program, and stores the computer program in a recording medium such as a hard disk.
  • the communication network 30 is the Internet, a wireless LAN, a telephone network, a dedicated line, or the like.
  • the computer program providing server 40 reads out the computer program stored in the recording medium, puts it on a carrier wave as a data signal, and transmits it to the content providing system 20 via the communication network 30.
  • the computer program can be supplied as a computer-readable computer program product in various forms such as a recording medium and a data signal.
  • the content determination unit 213 included in the processor 21 of the content providing system 20 determines the content according to the growth level of the brain of the infant 1.
  • the content provided in this way is not limited to the content for infants for viewing by the infant 1.
  • the provided content may include, for example, an introduction article of a product for infants targeting the caregiver of infant 1.
  • FIG. 13 is a diagram for exemplifying how the introduction article 149 of the product for infants provided by the content providing system 20 in the first modification of each embodiment of the present invention is displayed on the screen of the electronic device 10. is there.
  • the introductory article 149 "Introducing products that children may like” is displayed, and three types of products A, B, and C for infants are displayed below the display.
  • the growth level determination unit 212 included in the processor 21 of the content providing system 20 can determine the growth level of the infant 1. Therefore, the data of the introductory article 149 about the three types of infant products A, B, and C according to the growth level of the brain of the infant 1 determined by the growth level determination unit 212 is the data of the communication module 23 by the content control unit 214. It is transmitted to the electronic device 10 via.
  • the output control unit 112 of the processor 11 of the electronic device 10 displays the introduction article 149 on the screen of the output device 14 based on the data of the introduction article 149 received from the content providing system 20 via the communication module 15. In this way, it is possible to recommend three types of infant products A, B, and C according to the growth level of the brain of infant 1 to the caregiver of infant 1 through the introductory article 149 displayed on the screen of the output device 14. it can.
  • the brain wave sensor 5, the electronic device 10, the content providing system 20, the database 25, and the content distribution server 35 have been described as being independent of each other, but they may be combined as appropriate. May be good.
  • the electroencephalogram sensor 5 and the electronic device 10 may be integrally configured.
  • the content providing system 20, the database 25, and the content distribution server 35 may be integrally configured.
  • the electronic device 10 and the content providing system 20 may be integrally configured.
  • the electronic device 10 is distributed from the relay electronic device having a relay function of the data collected by the brain wave sensor 5 to the content providing system 20 and the content distribution server 35 under the control of the content providing system 20. Content may be displayed and output on the screen separately from the output electronic device.
  • the present invention is not limited to the configurations in each of the above-described embodiments and modifications as long as the characteristic functions of the present invention are not impaired.
  • Ratio table 61 brain wave data collection unit, 91 age-specific content list, 111 data processing unit, 112 output control unit, 113 input control unit, 141,145,147 messages, 142 input fields, 146,148 reaction information, 149 introductory articles , 211 Brain wave data acquisition unit, 212 Growth level determination unit, 213 Content determination unit, 214 Content control unit, 215 History information acquisition unit, 216 Emotion estimation unit, 217 Reaction information acquisition unit

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Abstract

La présente invention concerne un système de fourniture de contenu qui comporte : une unité d'acquisition de données d'onde cérébrale pour acquérir les données d'onde cérébrale d'un nourrisson ; une unité de détermination de niveau de croissance pour déterminer le niveau de croissance du cerveau du nourrisson sur la base du rapport de composantes de fréquence d'une pluralité de composantes de fréquence incluses dans les données d'onde cérébrale ; et une unité de détermination de contenu pour déterminer un contenu correspondant au niveau de croissance.
PCT/JP2019/009360 2019-03-08 2019-03-08 Système de fourniture de contenu WO2020183527A1 (fr)

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