Abstract: [Object] To provide an information processing apparatus, a control method, and a program capable of improving accuracy of autonomous distance measurement by turning off absolute positioning in accordance with a moving distance. [Solution] The information processing apparatus includes: a distance calculation unit configured to calculate a moving distance of a user by using an absolute position of the user measured by an absolute positioning unit; and a control unit configured to perform control to turn off the absolute positioning unit in a case where the moving distance becomes a predetermined distance.

Abstract: To be capable of realizing a technique which enables a measurement error of a magnetic sensor to be obtained with higher accuracy, there is provided an information processing apparatus including: a fluctuation measuring unit configured to measure temporal fluctuation of a magnetic value measured by a magnetic sensor during movement of at least the magnetic sensor or information obtained based on the magnetic value, and a measurement error acquiring unit configured to obtain a measurement error of the magnetic sensor based on the fluctuation.

Abstract: The present technique relates particularly to an information processing device, an information processing method, and a program which can improve sleep efficiency. The information processing device according to one aspect of the present technique has: an acquisition unit which acquires information which indicates an action schedule of a user; and a first determination unit which determines whether the user needs to wake up or sleep, and determines the degree of necessity of waking up when determining that the user needs to wake up and the degree of necessity of sleeping when determining the user needs to sleep, according to the action schedule of the user. The present technique is applicable to a mobile device such as a mobile telephone, a PDA and a digital camera.

Abstract: [Object] To provide an information processing device capable of accurately calculating a moving distance on the basis of the number of steps. [Solution] The information processing device includes: a movement determination unit configured to determine whether or not a user is moving on the basis of at least one of a heart rate, a blood pressure, and a respiratory rate of the user; and a distance calculation unit configured to calculate a moving distance of the user on the basis of the number of steps of the user in a period in which the movement determination unit determines that the user is moving.

Abstract: To be capable of realizing a technique which enables a measurement error of a magnetic sensor to be obtained with higher accuracy, there is provided an information processing apparatus including: a fluctuation measuring unit configured to measure temporal fluctuation of a magnetic value measured by a magnetic sensor during movement of at least the magnetic sensor or information obtained based on the magnetic value, and a measurement error acquiring unit configured to obtain a measurement error of the magnetic sensor based on the fluctuation.

Abstract: There is provided a positioning device including a geomagnetism detection section which detects geomagnetism, an acquisition section which acquires a matching area obtained by checking values of a total magnetic intensity and a magnetic dip of the geomagnetism detected by the geomagnetism detection section against geomagnetic information including values of a total magnetic intensity and a magnetic dip which are associated with an absolute position, and an identification section which identifies a current location based on the area acquired by the acquisition section.

Abstract: There is provided an information processing apparatus including a speed calculating section configured to calculates a traveling speed of a user based on a signal received from a positioning signal transmitter, a walking tempo acquiring section configured to acquire a walking tempo of the user, and an evaluating section configured to evaluate, based on the walking tempo and the traveling speed, reliability of information calculated by using the signal received from the positioning signal transmitter.

Abstract: The information processing apparatus includes an absolute position acquiring unit that acquires an absolute position of a user, an acquiring unit that acquires first values according to physical movement of the user who walks, a function specifying unit that assumes a function showing a relation between the first values and second values showing a pace or a walking speed of the user, calculates coefficients included in the function based on the first values and the absolute position, and specifies the function, a calculating unit that calculates the second values corresponding to the first values using the function, and a learning unit that learns a correspondence relation between a walking tempo of the user and the second values using the calculated second values.

Abstract: There is provided an information processing apparatus including an absolute position acquiring section that acquires an absolute position of a user, an acquiring section that acquires a first value indicating a walking tempo of the user who is walking, a calculation section that calculates a second value indicating a step or a traveling speed of the user by using, as a trigger, movement of a predetermined distance based on the absolute position, and a learning section that learns a correspondence between the first value and the second value by using the second value calculated.

Abstract: The present technique relates particularly to an information processing device, an information processing method, and a program which can improve sleep efficiency. The information processing device according to one aspect of the present technique has: an acquisition unit which acquires information which indicates an action schedule of a user; and a first determination unit which determines whether the user needs to wake up or sleep, and determines the degree of necessity of waking up when determining that the user needs to wake up and the degree of necessity of sleeping when determining the user needs to sleep, according to the action schedule of the user. The present technique is applicable to a mobile device such as a mobile telephone, a PDA and a digital camera.

Abstract: There is provided an information processing apparatus including a speed calculating section configured to calculates a traveling speed of a user based on a signal received from a positioning signal transmitter, a walking tempo acquiring section configured to acquire a walking tempo of the user, and an evaluating section configured to evaluate, based on the walking tempo and the traveling speed, reliability of information calculated by using the signal received from the positioning signal transmitter.

Abstract: An angular velocity correction device includes a horizontal angular velocity detection unit to detect horizontal axis angular velocity, that is mounted on a main unit attached to a moving object that moves along a predetermined movement surface, and that is made up of angular velocity around the horizontal axis which is orthogonal to the advancing direction of the moving object, occurring according to the inclination angle of the movement surface; a correction value generating unit to generate a correction value for correcting the horizontal axis angular velocity, based on the horizontal axis angular velocity that satisfies predetermined horizontal determining conditions of the horizontal axis angular velocity in the past; and a correction unit to correct the horizontal axis angular velocity using the correction value.

Abstract: A navigation device includes a measuring unit to measure the current position; a geomagnetism sensor that is provided on a predetermined main unit, and is to detect geomagnetism; an orientation calculation unit to calculate the orientation of the main unit, upon setting correction values for correction detection values of the geomagnetism, based on the detection values and the correction values; a presenting unit to present measurement results by the measuring unit and the calculation results of the orientation to a user; an operating state switchover unit to switch between a normal operating state that executes the presenting processing and a suspended state that maintains a portion of processing state while stopping at least the calculation processing of the orientation; and an initialization processing unit to initialize the correction values, in the case of having switched from the suspended state to the normal operating state by the operating state switchover unit.

Abstract: There is provided a positioning device including a geomagnetism detection section which detects geomagnetism, an acquisition section which acquires a matching area obtained by checking values of a total magnetic intensity and a magnetic dip of the geomagnetism detected by the geomagnetism detection section against geomagnetic information including values of a total magnetic intensity and a magnetic dip which are associated with an absolute position, and an identification section which identifies a current location based on the area acquired by the acquisition section.

Abstract: A navigation apparatus including a geomagnetic sensor that detects a geomagnetic field of the navigation apparatus, an orientation calculation unit that calculates an orientation of the navigation apparatus based on the detected geomagnetic field, a cradle detection unit that detects that the navigation apparatus is connected to a cradle, and outputs a signal indicating that the navigation apparatus is connected to the cradle, and an operation control unit that receives the signal output from the cradle detection unit, and controls the orientation calculation unit to not detect the orientation of the navigation apparatus based on the detected geomagnetic field.

Abstract: A walking situation detection device includes an acquisition unit which acquires an acceleration value according to an action of a user in a predetermined cycle, an interval detection unit which detects a first time interval and a second time interval from the acceleration value, a determination unit which determines a position where the user carries a terminal in his or her body based on a ratio of the first time interval to the second time interval, and a number of steps determination unit which determines the number of steps of the user based on the determination result of the determination unit.

Abstract: An angular velocity correction device includes a horizontal angular velocity detection unit to detect horizontal axis angular velocity, that is mounted on a main unit attached to a moving object that moves along a predetermined movement surface, and that is made up of angular velocity around the horizontal axis which is orthogonal to the advancing direction of the moving object, occurring according to the inclination angle of the movement surface; a correction value generating unit to generate a correction value for correcting the horizontal axis angular velocity, based on the horizontal axis angular velocity that satisfies predetermined horizontal determining conditions of the horizontal axis angular velocity in the past; and a correction unit to correct the horizontal axis angular velocity using the correction value.

Abstract: A navigation device includes a measuring unit to measure the current position; a geomagnetism sensor that is provided on a predetermined main unit, and is to detect geomagnetism; an orientation calculation unit to calculate the orientation of the main unit, upon setting correction values for correction detection values of the geomagnetism, based on the detection values and the correction values; a presenting unit to present measurement results by the measuring unit and the calculation results of the orientation to a user; an operating state switchover unit to switch between a normal operating state that executes the presenting processing and a suspended state that maintains a portion of processing state while stopping at least the calculation processing of the orientation; and an initialization processing unit to initialize the correction values, in the case of having switched from the suspended state to the normal operating state by the operating state switchover unit.

Abstract: A navigation apparatus including a geomagnetic sensor that detects a geomagnetic field of the navigation apparatus, an orientation calculation unit that calculates an orientation of the navigation apparatus based on the detected geomagnetic field, a cradle detection unit that detects that the navigation apparatus is connected to a cradle, and outputs a signal indicating that the navigation apparatus is connected to the cradle, and an operation control unit that receives the signal output from the cradle detection unit, and controls the orientation calculation unit to not detect the orientation of the navigation apparatus based on the detected geomagnetic field.

Abstract: A method of determining a vehicle route includes the steps of calculating a current location; memorizing ramp section definition information, a main road route tilt attribute, and a bifurcation route tilt attribute, per ramp section; ramp section determining whether or not the current location of an own vehicle is in the ramp section based on the current location information; detecting pitch angle rate information, which is tilt change in a traveling direction of the own vehicle, by a sensor; determining a tilt attribute of a driving route by sampling the pitch angle rate information in a predetermined sampling period for integration; defining a table for a route determination result corresponding to the tilt attribute determined by the tilt attribute determination step, the main road route tilt attribute, and the bifurcation route tilt attribute; and determining a vehicle route to obtain the route determination result referring to the table.