Abstract: A non-transitory computer-readable recording medium storing a machine learning program for causing a computer to execute a process to train a machine learning model constructed by combining a plurality of modules configured by a neural network, the process includes parsing dependency between words for a plurality of words included in a question sentence of training data that forms a set of an image and the question sentence related to the image, determining a weight to be applied to each of the plurality of modules, based on a result of the parsing, and controlling selection of a combination of modules to be used in the machine learning model from the plurality of modules, based on the weight to be applied to each of the plurality of modules.

Abstract: A non-transitory computer-readable recording medium storing an information processing program for causing a processor to execute processing including: classifying input data into one or more groups based on a weight of output of each neural network module in a case where data input in training by machine learning is performed for a plurality of neural network modules; and generating, in machine learning processing after the classification, a mini-batch of the input data such that pieces of the input data included in the same group are included in the same mini-batch.

Abstract: A recording medium stores a program for causing a computer to execute processing including: estimating a low-dimensional feature quantity with a lower dimensionality than input data obtained by encoding the input data as a conditional probability distribution using a condition based on data in a peripheral area of data of interest in the input data; and adjusting parameters of each of the encoding and the estimating and decoding of a feature quantity obtained by adding a noise to the low-dimensional feature quantity, based on a cost that includes output data obtained by the decoding, an error between the output data and the input data, and entropy of the conditional probability distribution. In determining whether input data to be determined is normal using the adjusted parameters, the determination is performed based on the conditional probability distribution based on data of a peripheral area of the input data to be determined.

Abstract: A control device that controls an electronic device including a top panel having an operation surface, a position detector that detects a position of operational input performed on the operation surface, and a first vibrating element that generates vibration in the top panel, the control device includes a first processor that outputs a first drive signal to the first vibrating element to drive the first vibrating element; a first capacitor inserted in series between the first vibrating element and the first processor; and a first differential amplifier that detects a first voltage of the first capacitor or the first vibrating element, wherein the first processor is configured to determine whether pressing operation to the top panel has been performed based on the first voltage detected by the first differential amplifier.

Abstract: A non-transitory computer-readable storage medium storing an estimation program that causes at least one computer to execute a process, the process includes inputting an input data into a trained variational autoencoder that includes an encoder and a decoder; converting, into a first probability distribution, a probability distribution of a latent variable that is generated by the trained variational autoencoder according to the input based on a magnitude of a standard deviation output from the encoder; converting the first probability distribution into a second probability distribution based on an output error of the decoder regarding the input data; and outputting the second probability distribution as an estimated value of a probability distribution of the input data.

Abstract: An electronic device includes: a top panel with an operation surface; a coordinate detector that detects coordinates of operational input performed on the operation surface; a vibrating element that generates vibration on the operation surface; a drive controller that drives the vibrating element with a drive signal that generates natural vibration in an ultrasonic band on the operation surface, the drive controller driving the vibrating element so that intensity of the natural vibration changes depending on a position of the operational input on the operation surface and a degree of temporal change in the position; and a reflector disposed on the operation surface side of the top panel and having a reflective surface that reflects ultrasonic waves radiated from the top panel.

Abstract: A drive control device being configured to provide a signal to an electronic device, the electronic device including a top panel having an operation surface, and a position detection circuit configured to detect a position of an operational input performed on the operation surface, and a vibrating element configured to generate vibration in the operation surface, the drive control device comprising: processor circuitry configured to execute a drive control processing that includes driving the vibrating element of the electronic device with a drive signal, the drive signal being configured to cause the vibrating element to generate natural vibration in the operation surface and being obtained by modulating a waveform signal of a first frequency in an ultrasonic band with a modulation signal of a second frequency having a difference from the first frequency, the difference being able to be sensed by a tactile receptor of a human.

Abstract: An electronic device includes: a top panel having an operation surface; a position detection circuit configured to detect a position of an operational input performed on the operation surface; a vibrating element mounted to the top panel and configured to generate vibration in the operation surface; and a drive control circuit configured to drive the vibrating element by a drive signal for generating natural vibration in an ultrasonic band in the operation surface, and configured to drive the vibrating element such that intensity of the natural vibration changes according to the position of the operational input on the operation surface and a degree of temporal change of the position.

Abstract: An electronic device includes: a top panel with an operation surface; a coordinate detector that detects coordinates of operational input performed on the operation surface; a vibrating element that generates vibration on the operation surface; a drive controller that drives the vibrating element with a drive signal that generates natural vibration in an ultrasonic band on the operation surface, the drive controller driving the vibrating element so that intensity of the natural vibration changes depending on a position of the operational input on the operation surface and a degree of temporal change in the position; and a reflector disposed on the operation surface side of the top panel and having a reflective surface that reflects ultrasonic waves radiated from the top panel.

Abstract: An electronic device includes a top panel configured to have an operation surface; a detection circuit configured to detect a position of an operation input on the operation surface; a vibrating circuit configured to be attached to the top panel to generate vibration on the operation surface; a control circuit configured to drive the vibrating circuit by a driving signal for generating natural vibration of an ultrasonic wave band on the operation surface, in which the driving of the vibrating circuit is performed such that an intensity of the natural vibration changes in accordance with the position of the operation input to the operation surface and a temporal change degree of the position; and a damping member configured to abut against a position that corresponds to a node of a standing wave generated by the natural vibration on a surface opposite to the operation surface of the top panel.

Abstract: A drive controller includes a pulse generator configured to generate a pulse width modulation signal by modifying a period of at least one cycle of a plurality of cycles of the pulse width modulation signal for synchronizing the plurality of cycles of the pulse width modulation signal with one cycle of a drive signal, and a drive circuit configured to generate the drive signal based on the pulse width modulation signal generated by the pulse generator, and drive a vibration element coupled to a panel of an electronic device on a basis of the generated drive signal for generating vibration in an ultrasonic band on the panel.

Abstract: An electronic device includes: a top panel having an operation surface; a position detection circuit configured to detect a position of an operational input performed on the operation surface; a vibrating element mounted to the top panel and configured to generate vibration in the operation surface; and a drive control circuit configured to drive the vibrating element by a drive signal for generating natural vibration in an ultrasonic band in the operation surface, and configured to drive the vibrating element such that intensity of the natural vibration changes according to the position of the operational input on the operation surface and a degree of temporal change of the position.

Abstract: A control device that controls an electronic device including a top panel having an operation surface, a position detector that detects a position of operational input performed on the operation surface, and a first vibrating element that generates vibration in the top panel, the control device includes a first processor that outputs a first drive signal to the first vibrating element to drive the first vibrating element; a first capacitor inserted in series between the first vibrating element and the first processor; and a first differential amplifier that detects a first voltage of the first capacitor or the first vibrating element, wherein the first processor is configured to determine whether pressing operation to the top panel has been performed based on the first voltage detected by the first differential amplifier.

Abstract: A drive control device being configured to provide a signal to an electronic device, the electronic device including a top panel having an operation surface, and a position detection circuit configured to detect a position of an operational input performed on the operation surface, and a vibrating element configured to generate vibration in the operation surface, the drive control device comprising: processor circuitry configured to execute a drive control processing that includes driving the vibrating element of the electronic device with a drive signal, the drive signal being configured to cause the vibrating element to generate natural vibration in the operation surface and being obtained by modulating a waveform signal of a first frequency in an ultrasonic band with a modulation signal of a second frequency having a difference from the first frequency, the difference being able to be sensed by a tactile receptor of a human.

Abstract: A drive controller includes a pulse generator configured to generate a pulse width modulation signal by modifying a period of at least one cycle of a plurality of cycles of the pulse width modulation signal for synchronizing the plurality of cycles of the pulse width modulation signal with one cycle of a drive signal, and a drive circuit configured to generate the drive signal based on the pulse width modulation signal generated by the pulse generator, and drive a vibration element coupled to a panel of an electronic device on a basis of the generated drive signal for generating vibration in an ultrasonic band on the panel.

Abstract: An electronic device includes: a top panel having a manipulation surface; a position detector configured to detect a position of a manipulation input performed on the manipulation surface; a vibrating element; and a drive controlling part configured to drive the vibrating element for generating a natural vibration in an ultrasound frequency band at the manipulation surface such that an intensity of the natural vibration is changed in accordance with the position of the manipulation input performed on the manipulation surface and a time change degree of the position, wherein a width of the vibrating element in a direction in which an amplitude of the natural vibration changes is set based on a ratio between a flexural rigidity of the top panel and a flexural rigidity of the top panel and the vibrating element at a portion where the vibrating element is attached to the top panel.

Abstract: A game controller includes a housing; a top panel disposed on an opening portion of the housing and having a manipulation input surface; a position detector configured to detect a position of a manipulation input performed on the manipulation input surface; a vibrating element configured to generate a vibration in the manipulation input surface of the top panel; and a drive controlling part configured to drive the vibrating element by using a driving signal causing the vibrating element to generate a natural vibration in an ultrasound-frequency-band in the manipulation input surface.

Abstract: A drive controlling apparatus for driving a vibrating element of an electronic device, which includes, a coordinate detector that detects coordinates of a manipulation input performed on a manipulation input surface: a data storage part that stores basic waveform data representing a basic waveform representing a time change of amplitude of a driving signal for generating a natural vibration in the manipulation input surface, amplitude values arranged in a time series manner constituting the basic waveform; a waveform generating part that generates first waveform data representing a first waveform obtained by changing a basic frequency or the amplitude values; a waveform combining unit that generates first combined waveform data representing a first combined waveform by combining the basic waveform and the first waveform; and a drive controlling part that drives the vibrating element by changing the amplitude of the driving signal based on the first combined waveform data.

Abstract: An electronic device can provide a satisfactory tactile sensation by Fourier-transforming a first image including brightness information, to obtain a first spatial-frequency distribution of the brightness, obtaining a second spatial-frequency distribution by multiplying the first spatial-frequency distribution by a coefficient depending on the first image size, obtaining a first time-frequency distribution based on the second spatial-frequency distribution and an input operation speed, filtering the first time-frequency distribution through a filter in which the transmittance for a frequency band detectable by Pacini's corpuscles is reduced, to obtain a second time-frequency distribution, converting the second time-frequency distribution into a third spatial-frequency distribution, based on the coefficient and the predetermined speed, inverse-Fourier-transforming the third spatial-frequency distribution, to obtain a second image, and driving a vibration element by a drive signal that has an amplitude accordin

Abstract: An electronic device includes a top panel configured to have an operation surface; a detection circuit configured to detect a position of an operation input on the operation surface; a vibrating circuit configured to be attached to the top panel to generate vibration on the operation surface; a control circuit configured to drive the vibrating circuit by a driving signal for generating natural vibration of an ultrasonic wave band on the operation surface, in which the driving of the vibrating circuit is performed such that an intensity of the natural vibration changes in accordance with the position of the operation input to the operation surface and a temporal change degree of the position; and a damping member configured to abut against a position that corresponds to a node of a standing wave generated by the natural vibration on a surface opposite to the operation surface of the top panel.