Information processing apparatus, information processing method, and non-transitory storage medium

An information processing apparatus comprising:

• an adjuster configured to adjust a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• and
• a feature calculator configured to calculate a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment,
• wherein
• the adjuster executes the adjustment on a basis of an output of an estimation model obtained by inputting the value of the factor parameter into the estimation model, and
• the estimation model estimates a deformation amount of the shape of the reference waveform pattern before and after the adjustment.

An information processing apparatus comprising:

• an adjuster configured to adjust a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• a feature calculator configured to calculate a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment;
• a classification device configured to acquire a classification result for the time series data by inputting the feature into a classifier;
• a classifier updater;
• and
• a reference waveform pattern updater,
• wherein
• the feature calculator calculates a training feature related to training time series data in which a correct class into which the data should be classified is indicated, on a basis of the training time series data and a training reference waveform pattern corresponding to the training time series data,
• the classification device acquires a training classification result for the training time series data by inputting the training feature into the classifier,
• the classifier updater updates a value of a parameter of the classifier on a basis of the training classification result and the correct class, and
• the reference waveform pattern updater updates the training reference waveform pattern on a basis of the training classification result and the correct class, and uses the updated training reference waveform pattern to generate the reference waveform pattern.

An information processing apparatus comprising:

• an adjuster configured to adjust a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• a feature calculator configured to calculate a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment;
• a classification device configured to acquire a classification result for the time series data by inputting the feature into a classifier;
• a classifier updater;
• a reference waveform pattern updater;
• and
• an estimation model updater,
• wherein
• the feature calculator calculates a training feature related to training time series data in which a correct class into which the data should be classified is indicated, on a basis of the training time series data and a training reference waveform pattern corresponding to the training time series data,
• the classification device acquires a training classification result for the training time series data by inputting the training feature into the classifier,
• the classifier updater updates a value of a parameter of the classifier on a basis of the training classification result and the correct class, and
• the reference waveform pattern updater updates the training reference waveform pattern on a basis of the training classification result and the correct class, and uses the updated training reference waveform pattern to generate the reference waveform pattern,
• the adjuster adjusts a shape of the training reference waveform pattern used to calculate the training feature on a basis of an output of an estimation model obtained by inputting the value of the factor parameter corresponding to the training time series data into the estimation model, the estimation model estimating a deformation amount of the shape of the reference waveform pattern before and after the adjustment, and
• the estimation model updater updates a parameter of the estimation model such that the shape of the adjusted training reference waveform pattern approaches the shape of the updated training reference waveform pattern.

An information processing method comprising:

• adjusting a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• and
• calculating a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment,
• wherein
• the reference waveform pattern before the adjustment is a shape that does not correspond to the value of the factor parameter, but the reference waveform pattern after the adjustment is a shape that corresponds to the value of the factor parameter.

A non-transitory storage medium storing a program executed by a computer, the program comprising:

• adjusting a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• and
• calculating a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment,
• wherein
• the reference waveform pattern before the adjustment is a shape that does not correspond to the value of the factor parameter, but the reference waveform pattern after the adjustment is a shape that corresponds to the value of the factor parameter.

An information processing method comprising:

• adjusting a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• calculating a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment;
• and
• executing the adjustment on a basis of an output of an estimation model obtained by inputting the value of the factor parameter into the estimation model,
• wherein the estimation model estimates a deformation amount of the shape of the reference waveform pattern before and after the adjustment.

A non-transitory storage medium storing a program executed by a computer, the program comprising:

• adjusting a shape of a reference waveform pattern corresponding to time series data and used to classify the time series data, on a basis of a value of a factor parameter corresponding to the time series data;
• calculating a feature of a waveform of the time series data on a basis of the shape of the reference waveform pattern after the adjustment;
• and
• executing the adjustment on a basis of an output of an estimation model obtained by inputting the value of the factor parameter into the estimation model,
• wherein the estimation model estimates a deformation amount of the shape of the reference waveform pattern before and after the adjustment.