Patent ID: 11862341
Assignee: HAII CO, LTD.
Field: Medical technology (Instruments)
Classification: CPC G | IPC G

Claim 8:
9. A method of classifying a plurality of mental states of a user of a terminal using a mental state classification server including a service platform and a mental state classification platform, comprising:
by the service platform, providing a questionnaire related to each of the plurality of mental states to the user through the terminal to classify the plurality of mental states;
by the service platform, receiving the answer input by the user to the questionnaire and storing the received answer;
by the service platform, receiving a face image generated by photographing a face of the user while conducting the questionnaire for each of the plurality of mental states and the user's inputting the answer corresponding to each of the plurality of mental states into the terminal, and transmitting the received face image to the mental state classification platform;
by the mental state classification platform, obtaining a first value indicating a possibility that the user corresponds to each of the plurality of mental states based on the received answer by executing a first algorithm;
by the mental state classification platform, extracting heart rate variability (HRV) data of the user based on the transmitted face image;
by the mental state classification platform, obtaining a second value indicating a possibility that the user corresponds to each of the plurality of mental states based on the extracted HRV data of the user by executing a second algorithm;
by the mental state classification platform, executing a third algorithm, and obtaining a third numerical value indicating a possibility that the user corresponds to each of the plurality of mental states based on the first numerical value and the second numerical value;
by the mental state classification platform, generating a mental state classification result report indicating the third numerical value of each of the plurality of mental states, and transmitting the generated mental state classification result report to the service platform; and
by the service platform, providing the mental state classification result report to the user,
wherein the terminal is configured to display a face image including at least a middle of a forehead and both cheeks of the face of the user on a user interface so that the user can recognize his/her appearance while inputting the answer to the questionnaire through the user interface of the terminal,
wherein each of the first numerical value and the second numerical value includes a severity of the mental state of the user, and
wherein the third algorithm is configured to set a weight to be reflected in the third numerical value to each of the first numerical value and the second numerical value and obtain the third numerical value indicating a final mental state classification result from the first numerical value and the second numerical value based on the weight.