Patents by Inventor Taro Togawa

Taro Togawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250045787
    Abstract: A non-transitory computer-readable recording medium storing an evaluation program for causing a computer to execute a process comprising: acquiring a video obtained by imaging an area that includes a product shelf where a product is arranged; specifying a behavior of a person of purchasing the product by analyzing the acquired video; acquiring purchase psychology information that is based on the behavior of purchasing the product and that indicates purchase psychology of the person; acquiring period information regarding a period when sales promotion measures for the product are implemented; analyzing a change in the acquired purchase psychology information, before and after the sales promotion measures, based on the period information; and evaluating the sales promotion measures, based on the analyzed change.
    Type: Application
    Filed: July 30, 2024
    Publication date: February 6, 2025
    Applicant: Fujitsu Limited
    Inventors: Taro TOGAWA, Katsuhisa NAKAZATO, Shun KOHATA
  • Publication number: 20250045977
    Abstract: A non-transitory computer-readable recording medium storing an avatar generating program for causing a computer to execute process includes: acquiring a video obtained by imaging an area that includes a product shelf on which a product is arranged; specifying a behavior of a person and a feature regarding the person by analyzing the acquired video; classifying the specified feature based on a predetermined condition; acquiring a customer service style that is expressed by an avatar displayed in a visually recognizable manner for each person and that is for the product; calculating an occurrence rate of a behavior related to purchase of the product, for each classified feature, based on the specified behavior, for the customer service style; and updating the customer service style, for each classified feature, based on the occurrence rate.
    Type: Application
    Filed: July 24, 2024
    Publication date: February 6, 2025
    Applicant: Fujitsu Limited
    Inventors: Taro TOGAWA, Katsuhisa NAKAZATO, Shun KOHATA
  • Publication number: 20240412559
    Abstract: A non-transitory computer-readable recording medium storing an information processing program for causing a computer to execute a process including: acquiring a video obtained by capturing an inside of a store; identifying a first action of a person on a commodity disposed within the store by analyzing the acquired video; generating a content by inputting the video to a machine learning model; outputting the generated content to a terminal disposed within the store; identifying a second action of the person on the commodity by analyzing a video after the content is output to the terminal; and retraining the machine learning model, based on a transition from the first action to the second action, the generated content, and an image of the commodity as a target of the identified second action.
    Type: Application
    Filed: May 21, 2024
    Publication date: December 12, 2024
    Applicant: Fujitsu Limited
    Inventors: Hideo TANIDA, Taro TOGAWA, Katsuhisa NAKAZATO
  • Publication number: 20240193671
    Abstract: A computer-readable recording medium has stored therein an information processing program that causes a computer to execute a process including obtaining a video in which inside of a store is captured analyzing the obtained video identifying, based on a result of the analyzing, a first-type region that covers a product placed inside the store captured in the video, a second-type region that covers a person targeted for selling the product inside the store captured in the video, and a relationship that recognizes interaction between the first-type region and the second-type region and associating the identified relationship to the product covered in the first-type region.
    Type: Application
    Filed: August 17, 2023
    Publication date: June 13, 2024
    Applicant: Fujitsu Limited
    Inventors: Arisu ENDO, Taro TOGAWA, Shun KOHATA
  • Patent number: 11721357
    Abstract: A non-transitory computer-readable recording medium having stored therein a program that causes a computer to execute a procedure, the procedure includes detecting a plurality of voice sections from an input sound that includes voices of a plurality of speakers, calculating a feature amount of each of the plurality of voice sections, determining a plurality of emotions, corresponding to the plurality of voice sections respectively, of a speaker of the plurality of speakers for each of the plurality of voice sections, and clustering a plurality of feature amounts, based on a change vector from the feature amount of the voice section determined as a first emotion of the plurality of emotions of the speaker to the feature amount of the voice section determined as a second emotion of the plurality of emotions different from the first emotion.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: August 8, 2023
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Sayuri Nakayama, Jun Takahashi, Kiyonori Morioka
  • Patent number: 11232810
    Abstract: A non-transitory computer-readable recording medium storing a program that causes a computer to execute a process for evaluating a voice, the process includes analyzing a voice signal to detect a pitch frequency; selecting an evaluation target region to be evaluated in the detected pitch frequency based on a distribution of a detection rate of the detected pitch frequency; and evaluating a voice based on the distribution of the detection rate and the selected evaluation target region. An Impression of the voice using a correction to the distribution is evaluated and determined as good when a spread of the corrected distribution is larger than or equal to a certain threshold.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: January 25, 2022
    Assignee: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Taro Togawa, Takeshi Otani
  • Patent number: 11069373
    Abstract: A speech processing method for estimating a pitch frequency includes: executing a conversion process that includes acquiring an input spectrum from an input signal by converting the input signal from a time domain to a frequency domain; executing a feature amount acquisition process that includes acquiring a feature amount of speech likeness for each band included in a target band based on the input spectrum; executing a selection process that includes selecting a selection band selected from the target band based on the feature amount of speech likeness for each band; and executing a detection process that includes detecting a pitch frequency based on the input spectrum and the selection band.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: July 20, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Taro Togawa, Takeshi Otani
  • Patent number: 11004463
    Abstract: A speech processing method for estimating a pitch frequency includes: specifying, for each determination result of a speech-like-frame, a fundamental sound by using a plurality of local maximum values included in a spectrum of a respective frame determined as the speech-like-frame; obtaining a learned value by performing learning processing on a magnitude of the fundamental sound specified from each determination result of the speech-like-frame, the learned value including an average value and a variance of the magnitude of the fundamental sound specified from each determination result of the speech-like-frame; and executing a detection process by using the learned value, the detection process including detecting a pitch frequency of the respective frame determined as the speech-like-frame by using a threshold, the threshold being obtained by subtracting the variance included in the learned value from the average value included in the learned value.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 11, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Taro Togawa, Takeshi Otani
  • Publication number: 20210027796
    Abstract: A detection method implemented by a computer, the detection method includes: acquiring voice information containing voices of a plurality of speakers; detecting a first speech segment of a first speaker among the plurality of speakers included in the voice information based on a first acoustic feature of the first speaker, the first acoustic feature being obtained by performing a machine learning; and detecting a second speech segment of a second speaker among the plurality of speakers based on a second acoustic feature, the second acoustic feature being an acoustic feature included in the voice information associated with a predetermined time range, the predetermined time range being a time range outside the first speech segment.
    Type: Application
    Filed: July 17, 2020
    Publication date: January 28, 2021
    Applicant: FUJITSU LIMITED
    Inventors: TARO TOGAWA, Sayuri Nakayama, Kiyonori Morioka
  • Publication number: 20210012064
    Abstract: A recording medium stores a program causing a computer to execute processing including: specifying demonstrative words from character information; extracting a first feature of a first referent corresponding to a first demonstrative word, and a second feature of a second referent corresponding to a second demonstrative word; calculating a similarity between the first feature and the second feature corresponding to a same one of the genres; calculating a degree of attention based on information out of the voice information, the character information, and the image information; selecting at least genres based on the similarity and the degree of attention; creating a first complementary word obtained by modifying a name of the first referent with the first feature corresponding to each of the selected genres; and creating a second complementary word obtained by modifying a name of the second referent with the second feature corresponding to each of the selected genres.
    Type: Application
    Filed: June 29, 2020
    Publication date: January 14, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Kiyonori Morioka, TARO TOGAWA
  • Patent number: 10885931
    Abstract: A voice processing method for estimating an impression of speech includes: executing an acquisition process that includes acquiring voice signals; executing a feature acquisition process that includes acquiring acoustic features regarding the voice signals from the voice signals; executing a voice-parameter acquisition process that includes acquiring a voice parameter regarding a frame of the voice signals; executing a relative-value determination process that includes determining a relative value between the determined voice parameter and a statistical value of the voice parameter; executing a weight assignment process that includes assigning a weight to the frame of the voice signals in accordance with the relative value; and executing a distribution determination process that includes determining a distribution of the acoustic features, based on the weight assigned to the frame of the voice signals.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: January 5, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Sayuri Nakayama, Takeshi Otani
  • Patent number: 10861477
    Abstract: A non-transitory computer-readable recording medium records a program for causing a computer to execute an utterance impression determination process. The utterance impression determination process includes specifying a current fundamental frequency from a voice signal which is received, calculating a relaxation value by changing the current fundamental frequency in chronological order so that the change in the current fundamental frequency becomes moderate, and evaluating the voice signal based on a degree of a magnitude of a difference between at least one feature amount associated with the current fundamental frequency and the relaxation value corresponding to the feature amount.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: December 8, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Sayuri Nakayama, Takeshi Otani
  • Patent number: 10832687
    Abstract: There is provided an audio processing device including a memory, and a processor coupled to the memory and the processor configured to detect a first acoustic feature amount and a second acoustic feature amount of an input audio, calculate a coefficient for the second acoustic feature amount based on a time change amount by calculating the time change amount of the first acoustic feature amount, and calculate a statistical amount for the second acoustic feature amount based on the coefficient.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: November 10, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Sayuri Nakayama, Takeshi Otani
  • Patent number: 10741198
    Abstract: An information processing apparatus includes a memory, and a processor coupled to the memory and configured to specify a first signal level of a first voice signal, specify a second signal level of a second voice signal, and execute evaluation of at least one of the first voice signal and the second voice signal based on at least one of a sum of the first signal level and the second signal level and an average of the first signal level and the second signal level.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: August 11, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Sayuri Nakayama, Takeshi Otani
  • Publication number: 20200251129
    Abstract: A non-transitory computer-readable recording medium having stored therein a program that causes a computer to execute a procedure, the procedure includes detecting a plurality of voice sections from an input sound that includes voices of a plurality of speakers, calculating a feature amount of each of the plurality of voice sections, determining a plurality of emotions, corresponding to the plurality of voice sections respectively, of a speaker of the plurality of speakers for each of the plurality of voice sections, and clustering a plurality of feature amounts, based on a change vector from the feature amount of the voice section determined as a first emotion of the plurality of emotions of the speaker to the feature amount of the voice section determined as a second emotion of the plurality of emotions different from the first emotion.
    Type: Application
    Filed: January 14, 2020
    Publication date: August 6, 2020
    Applicant: FUJITSU LIMITED
    Inventors: TARO TOGAWA, Sayuri Nakayama, JUN TAKAHASHI, Kiyonori Morioka
  • Patent number: 10679645
    Abstract: A confused state determination device that includes: an audio receiver that receives input of call audio; a memory; and a processor that is connected to the memory and that is configured to detect a questioning utterance in a call-hold duration of the call audio, compute a frequency of the questioning utterance detected in the call-hold duration, and determine a user to be in a confused state in a case in which the computed questioning utterance frequency is a first threshold value or greater.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: June 9, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Sayuri Nakayama, Takeshi Otani
  • Patent number: 10636438
    Abstract: A method for processing speech includes: executing a acquiring process that includes acquiring a speech signal; executing a detection process that includes detecting a first frequency spectrum from the speech signal; executing a calculation process that includes calculating a second spectrum based on an envelope of the first spectrum; executing a correction process that includes correcting the first spectrum based on comparison between a first amplitude of the first spectrum and a second amplitude of the second spectrum; executing a estimation process that includes estimating a pitch frequency of the speech signal in accordance with correlation between the corrected first frequency spectrum and periodic signals corresponding to frequencies in a certain band.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: April 28, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Taro Togawa, Takeshi Otani
  • Patent number: 10607628
    Abstract: An audio processing method including: generating a plurality of frequency spectra by transforming a plurality of audio signals inputted to a plurality of input devices respectively, comparing an amplitude of each of frequency components of a specific frequency spectrum included in the plurality of frequency spectra with an amplitude of each of frequency components of one or a more other frequency spectra different from the specific frequency spectrum included in the plurality of frequency spectra, for each of the frequency components, extracting, from the frequency components, a frequency component in which an amplitude of the specific frequency spectrum is larger than an amplitude of the one or more other frequency spectra, and controlling an output corresponding to the plurality of audio signal inputted to each of the plurality of input devices based on a proportion of the extracted frequency component in the frequency components whose amplitudes has been compared.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 31, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Taro Togawa, Takeshi Otani
  • Patent number: 10403289
    Abstract: A voice processing device includes: a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute: detecting a first utterance section included in a first voice and a second utterance section included in a second voice; specifying an overlapping section within which the first utterance section and the second utterance section overlap with each other; calculating a first utterance continuation section from a start point of the overlapping section to an end point of the first utterance section; and evaluating an impression regarding the first voice at least on the basis of information relating to a length of the first utterance continuation section.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: September 3, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Taro Togawa, Chisato Shioda, Sayuri Kohmura, Takeshi Otani
  • Patent number: 10381023
    Abstract: A speech evaluation apparatus includes a memory, and a processor coupled to the memory and configured to generate a first input spectrum obtained by frequency transforming a first signal that is a signal of a first period, generate a second input spectrum obtained by frequency transforming a second signal that is the signal of a second period earlier than the first period, generate a processed spectrum obtained by transforming frequency of the second input spectrum based on a change ratio set in advance, calculate a correlation value between the first input spectrum and the processed spectrum, and determine a change amount of pitch frequency from the first signal to the second signal based on the change ratio and the correlation value.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 13, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Takeshi Otani, Taro Togawa, Sayuri Nakayama