Seiko Epson Corporation

Kazuo Nomura

Kenya Kodaira

Masafumi Sato

Michihiro Nagaishi

Kazuhiro Shibuya

Tatsuya Hosoda

Megumi Sano

Yasushi Nakaoka

Toshihiko Kano

Hiroyuki Yokoyama

Oh Jaekwan

Kazuhiro Sakamoto

Masatoshi Sato

Hideto Shimosato

Toshiyasu Takasugi

Shigenori Kanno

A motion analysis apparatus includes a swing width analysis unit that specifies a swing width from a first position to a second position on a swing trajectory on the basis of coordinates of a swing position of an exercise appliance which are acquired by using an output signal from an inertial sensor in a calculation processing circuit.

Motion analysis method, motion analysis apparatus, and storage device

A motion analysis method includes calculating a change in an amount of inertia of a region attached with an inertial sensor during a swing using an output of the inertial sensor, and identifying a maximum value of the amount of inertia during the swing to compare the maximum value and the amount of inertia at an impact with each other. A deceleration timing during the swing of the region (the grip of the sporting equipment) attached with the inertial sensor is identified, and the quality of the swing can be evaluated.

Motion analysis method and motion analysis device

A motion analysis apparatus includes an impact analysis unit that specifies a hitting direction of an exercise appliance during impact and a speed of the exercise appliance during the impact by using an output signal from an inertial sensor, and a display unit that displays the hitting direction and the speed in a coordinate system in which a hitting target direction is set.

A motion analysis method includes: specifying plural operations included in a motion operation using an output from an inertial sensor; calculating an operating time of each of the plural operations; adjusting a time axis of each operating time; and outputting operation information of the operation based on the adjusted time axis.

Motion analysis method and motion analysis apparatus

A swing analyzing apparatus includes at least an angular velocity sensor, an impact detection section, an angular velocity information calculation section, and an impact state judgment section. The impact detection section detects the timing of impact in a swing of a sporting good. The angular velocity information calculation section calculates at least one of the amount of change in angular velocity with respect to a predetermined axis in a predetermined period after the impact timing and the greatest value of the angular velocity based on data outputted form the angular velocity sensor. The impact state judgment section judges the state of impact based on the result calculated by the angular velocity information calculation section.

Swing analyzing apparatus

A sensor unit includes a sensor section adapted to detect a motion, and an announcement section adapted to announce a state of an output signal of the sensor section.

Sensor unit and motion detection device

A motion analysis system includes first to N-th (N is an integer of 2 or more) sensor units which is attached to an object, an analysis unit which obtains a plurality of items of sampling data output from the sensor units, to analyze a motion of the object, a synchronization signal sending unit which transmits a first synchronization signal group including N first synchronization signals in order from the first to the N-th sensor unit, and transmits a second synchronization signal group including N second synchronization signals in order from the N-th to the first sensor unit, with respect to sensor unit, and a reference synchronization signal generation unit which generates a reference synchronization signal which is to be a reference with respect to the first to N-th sensor units, based on the first and second synchronization signal groups received by sensor unit.

Motion analysis system and motion analysis method

A motion analysis apparatus includes: a threshold value determining section that determines whether the amount of inertia in a first period is within a threshold value range; a bias value setting section that sets, if it is determined that the amount of inertia is within the threshold value range, a bias value included in the amount of inertia on the basis of a first average value that is an average value of the amount of inertia detected in the first period; and an analysis information calculating section that analyzes a motion of a measurement object using correction data from which the bias value is removed.

Motion analysis apparatus and motion analysis method

A power feeding apparatus includes a power feeding stop section that stops, all together, the supply of electric power to a plurality of sensors connected to the power feeding apparatus. Each of the sensors outputs a signal including timing information indicating the timing at which the supply of electric power is stopped by the power feeding stop section. A synchronization section synchronizes the output signals of the plurality of sensors based on the timing information.

Sensor system, power feeding apparatus, and synchronization method

A motion analysis device has a determination unit which uses an output from an inertial sensor mounted on at least one of a subject and a tool operated by the subject, to determine a dominant hand of the subject in a swing. The determination unit can determine the dominant hand on the basis of the sign of angular velocity or acceleration from the inertial sensor. A calculation unit which calculates motion analysis information in a swing, using an output from the inertial sensor can add dominant hand information from the determination unit to the motion analysis information. The motion analysis device can include a coincidence determination unit which determines that a first subject and a second subject have different dominant hands, and an inverted image generation unit which inverts first motion analysis information in the case of no coincidence.

Motion analysis method, motion analysis display method, and motion analysis device

A motion analysis device includes two posture angle sensors attached to a measurement object at locations distant from each other, a data acquisition section, a posture angle correction section, and a deformation amount calculation section. The data acquisition section acquires data of a first posture angle and a second posture angle respectively detected by the posture angle sensors. The posture angle correction section corrects a difference between the first posture angle and the second posture angle after starting a motion of the measurement object in accordance with a difference between the first posture angle and the second posture angle before starting the motion of the measurement object. The deformation amount calculation section calculates a deformation amount of the measurement object based on a difference between the first posture angle and the second posture angle corrected by the posture angle correction section.

Motion analysis device and motion analysis method for analyzing deformation of measurement object

An imaging apparatus includes an imaging part that images a subject to generate image data, an image storage part that temporarily stores original image data that was imaged by the imaging part, an image data size reducing part that forms image data for display by reducing the size of image data stored in the image storage part, and an image display part that displays image data for display that was formed by the image data size reducing part; the imaging apparatus further comprising a camera shake state detection part that detects a camera shake occurrence state of the imaging part, a camera shake decision part that decides whether or not camera shake occurred for image data for display that was reduced by the image data size reducing part based on a camera shake state that was detected by the camera shake state detection part, and a camera shake correction part that, when a result decided by the camera shake decision part is that a camera shake occurrence state exists, subjects the image data for display to camera shake correction and displays corrected image data for display on the image display part.

Imaging apparatus and portable device and portable telephone using same

A shake detection device detecting a camera shake amount generated when photographing a subject includes a detection sensor detecting a rotation speed around a predetermined axis of the camera, a first image shift amount calculation unit driving the detection sensor to detect the rotation speed and, for an image of the subject photographed by the camera, calculating a first image shift amount as an image shift amount in a first direction based on the rotation speed, a second image shift amount calculation unit performing a predetermined image analysis on the image of the subject photographed by the camera and, for the image of the subject photographed by the camera, calculating a second image shift amount as an image shift amount in a second direction based on the analysis result, and a shake amount estimation unit estimating the camera shake amount using the first and second image shift amounts.

Shake detection device, shake detection method, and shake detection program

An image correction system includes an image capturer, operable to capture an object image and to generate image data based on the object image, a first storage, adapted to store the image data, a timing signal generator, operable to periodically generate timing signals, an image processor, operable to periodically store the image data into the first storage in accordance with each of the timing signals, a detector, operable to periodically detect movement of the image capturer and to generate movement data based on the detected movement, and a second storage, adapted to periodically store the movement data in association with timing data based on each of the timing signals.

Growing community of inventors

Shiojiri, Japan

Kazuo Nomura