Interaction device implementing a bayesian's estimation
First Claim
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1. An interaction device for interacting with an object, comprising:
- a central processing unit;
an input unit that receives input information;
an output unit that outputs output information;
a controller that maps the input information into the output information;
an optimization unit that optimizes the controller,wherein the output unit outputs an imitation of a movement of the object,wherein the controller implements a Bayesian'"'"'s estimation that determines a degree of belief or conviction of an existence of an interaction object by comparing past records on the basis of a plurality of variables including a first variable indicating a total number of background periods until a predetermined time point, a second variable indicating a total number of agent periods until the predetermined time point, a third variable indicating a total number of sensors that receive an input within the total number of background periods indicated by the first variable, and a fourth variable indicated a total numbers of sensors that receive an input within the total number of agent periods indicated by the second variable, andwherein the controller uses a time counter to determine whether a current time is within an agent period or a background period, and the time counter is set to an initial value when a sensor of the interaction device receives an input and is increased when sensors of the interactive device receive no input for a predetermined time step, andwherein the optimization unit optimizes the controller to maximize an expectation of returned information about a hypothesis of an interaction object.
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Abstract
The present invention provides an interaction device adapted for setting own controller for maximizing expectation of information defined between a hypothesis about an interaction object and own input/output. Thus, the social robot can judge by using only simple input/output sensor whether or not the human being is present or absent at the outside world.
22 Citations
9 Claims
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1. An interaction device for interacting with an object, comprising:
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a central processing unit; an input unit that receives input information; an output unit that outputs output information; a controller that maps the input information into the output information; an optimization unit that optimizes the controller, wherein the output unit outputs an imitation of a movement of the object, wherein the controller implements a Bayesian'"'"'s estimation that determines a degree of belief or conviction of an existence of an interaction object by comparing past records on the basis of a plurality of variables including a first variable indicating a total number of background periods until a predetermined time point, a second variable indicating a total number of agent periods until the predetermined time point, a third variable indicating a total number of sensors that receive an input within the total number of background periods indicated by the first variable, and a fourth variable indicated a total numbers of sensors that receive an input within the total number of agent periods indicated by the second variable, and wherein the controller uses a time counter to determine whether a current time is within an agent period or a background period, and the time counter is set to an initial value when a sensor of the interaction device receives an input and is increased when sensors of the interactive device receive no input for a predetermined time step, and wherein the optimization unit optimizes the controller to maximize an expectation of returned information about a hypothesis of an interaction object. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An interaction device for interacting with an object, comprising:
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a central processing unit; an input unit that receives input information; an output unit that outputs output information; and a control unit that controls the output unit to perform an action output based on the input information or the output information at a timing when an interaction object'"'"'s expectation of an acquired information quantity for an existence of the interaction device is maximum, wherein the control unit implements a Bayesian'"'"'s estimation that determines a degree of belief or conviction of an existence of an interaction object by comparing past records on the basis of a plurality of variables including a first variable indicating a total number of background periods until a predetermined time point, a second variable indicating a total number of agent periods until the predetermined time point, a third variable indicating a total number of sensors that receive an input within the total number of background periods indicated by the first variable, and a fourth variable indicated a total numbers of sensors that receive an input within the total number of agent periods indicated by the second variable, and wherein the control unit uses a time counter to determine whether a current time is within an agent period or a background period, and the time counter is set to an initial value when a sensor of the interaction device receives an input and is increased when sensors of the interactive device receive no input for a predetermined time step, and wherein the output unit outputs an imitation of a movement of the object. - View Dependent Claims (8)
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9. An interaction device for interacting with an object, comprising:
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a central processing unit; an input unit that receives input information; an output unit that outputs output information; and a controller for controlling the output unit to perform an action output based on the input information or the output information at a timing when an interaction object'"'"'s expectation of an acquired information quantity for an existence of the interaction device is maximum, wherein the controller implements a Bayesian'"'"'s estimation that determines a degree of belief or conviction of an existence of an interaction object by comparing past records on the basis of a plurality of variables including a first variable indicating a total number of background periods until a predetermined time point, a second variable indicating a total number of agent periods until the predetermined time point, a third variable indicating a total number of sensors that receive an input within the total number of background periods indicated by the first variable, and a fourth variable indicated a total numbers of sensors that receive an input within the total number of agent periods indicated by the second variable, and wherein the controller uses a time counter to determine whether a current time is within an agent period or a background period, and the time counter is set to an initial value when a sensor of the interaction device receives an input and is increased when sensors of the interactive device receive no input for a predetermined time step, and wherein the output unit outputs an imitation of a movement of the object.
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Specification