Patents by Inventor Kurato Maeno

Kurato Maeno 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: 20180260702
    Abstract: It is possible to improve estimation accuracy with regard to data in which significance is attached to a relative phase. Provided is an information processing device including an estimation unit configured to estimate a status by using a neural network. The neural network includes a first complex-valued neural network to which complex data is input, a phase difference computation layer from which phase difference for each element between a plurality of sets with regard to the complex data is output, and a second complex-valued neural network from which complex data is output on the basis of the phase difference.
    Type: Application
    Filed: November 21, 2017
    Publication date: September 13, 2018
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Kohei YAMAMOTO, Kurato MAENO
  • Patent number: 10001557
    Abstract: Provided is a state recognizing device including: a first filter unit performing a filtering process on a time-series signal obtained by performing remote measuring on a space, in accordance with a first cutoff frequency to allow a signal component deriving from movement of a biological organism to pass through; a second filter unit performing a filtering process on the time-series signal in accordance with a second cutoff frequency to allow a signal component based on biological information to pass through; an amplitude-component extracting unit extracting a first feature quantity related to an amplitude component from a signal passed through the first and/or second filter units; a frequency-component extracting unit extracting a second feature quantity related to a frequency component from a signal passed through the first and/or second filter units; and a recognizing unit recognizing a state of the space by using the first and second feature quantities.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: June 19, 2018
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Daisuku Okuya, Kurato Maeno, Michiyo Matsui
  • Publication number: 20180096246
    Abstract: To reduce a network size and calculation cost with regard to a neural network to which multidimensional data is input. Provided is an information processing device including: an estimation unit configured to estimate a status by using a neural network constituted by single- or multi-dimensional neurons that perform output on the basis of input multidimensional data. The neural network includes a transformation layer configured to transform output of a type 1 neuron into a dimension corresponding to input of a type 2 neuron, and the type 2 neuron performs a process based on lower-dimensional data than the type 1 neuron.
    Type: Application
    Filed: June 7, 2017
    Publication date: April 5, 2018
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Kohei YAMAMOTO, Kurato MAENO
  • Publication number: 20170254896
    Abstract: A tracking apparatus, including (1) a first target object tracking unit having a first processor, configured to correct a first information of at least one first candidate target object, detected by an image sensor, according to a first predetermined motion model, and to determine a distribution of the first information, (2) a second target object tracking unit including a second processor, configured to correct a second information of at least one second candidate target object, detected by an active type sensor, according to a second predetermined motion model, and to determine a distribution of the second information, (3) a matching unit configured to obtain a plurality of distribution parameters based on a correlation of the distributions of the first and second information, and (4) a false image determining unit configured to determine whether or not the second information corresponds to a false image based on the plurality of distribution parameters.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 7, 2017
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Kohei YAMAMOTO, Motoko KAGAYA, Kurato MAENO
  • Patent number: 9691255
    Abstract: To improve the accuracy of the determination on whether or not a moving object is present in a predetermined region, a control device for use in a system configured to conduct presence-or-absence determination on whether or not a moving object is present on the basis of detection by a first sensor provided in a predetermined compartment region, the control device comprising: a mode control section configured to control switching of an operation mode for the detection by the first sensor or the presence-or-absence determination; and an acquisition section configured to acquire a determination result of whether or not a moving object is present in an adjacent region adjacent to the predetermined compartment region and not including the predetermined compartment region; wherein the mode control section controls the switching of the operation mode in response to the determination result acquired by the acquisition section, is provided.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: June 27, 2017
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Michiyo Matsui, Kurato Maeno, Takashi Hashimoto, Motoko Kagaya
  • Publication number: 20160310044
    Abstract: An estimation device includes a first converting unit configured to convert a beat signal to a one-dimensional first candidate signal on the basis of a two-dimensional distribution of the beat signal, a second converting unit configured to convert the beat signal to a one-dimensional second candidate signal on the basis of a two-dimensional position change of the beat signal, and a signal deciding unit configured to decide a one-dimensional signal on the basis of the first candidate signal and the second candidate signal.
    Type: Application
    Filed: January 14, 2016
    Publication date: October 27, 2016
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Kurato MAENO, Kohei YAMAMOTO
  • Publication number: 20160206230
    Abstract: There is provided a period estimation apparatus including: a first frequency estimation unit that estimates a first frequency of a one-dimensional signal on the basis of a phase difference between the one-dimensional signal and a reference signal and a temporal change in the phase difference; and a second frequency estimation unit that estimates a second frequency of the one-dimensional signal by cutting out a comparative signal having a section length equivalent to a first period corresponding to the first frequency from the one-dimensional signal, and calculating a correlation coefficient between the comparative signal and the one-dimensional signal having the section length.
    Type: Application
    Filed: December 1, 2015
    Publication date: July 21, 2016
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Kohei YAMAMOTO, Motoko KAGAYA, Kurato MAENO
  • Publication number: 20160077123
    Abstract: There is provided a state determination device including: an acquisition unit configured to acquire information indicating a kinetic state of a moving object existing in a target space; a setting unit configured to set a plurality of subspaces in the space; a storage unit configured to store statistical information of kinetic states of the moving object acquired by the acquisition unit from the respective subspaces set by the setting unit; a model estimation unit configured to estimate a kinetic model of the moving object on the basis of the statistical information stored in the storage unit; and a determination unit configured to determine a state of the moving object by comparing the kinetic states of the moving object acquired by the acquisition unit with the kinetic model estimated by the model estimation unit.
    Type: Application
    Filed: July 16, 2015
    Publication date: March 17, 2016
    Applicant: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventors: Motoko KAGAYA, Kurato MAENO
  • Publication number: 20160030006
    Abstract: [Object] To provide a characteristic-value calculating device, a characteristic-value calculating method, and a recording medium that can extract a characteristic value for more accurately recognizing the state of a moving object, such as a human, from a Doppler signal. [Solution] A characteristic-value calculating device includes an acquiring unit that acquires a Doppler signal, an extracting unit that extracts a time-series signal constituted of a predetermined frequency component from the Doppler signal acquired by the acquiring unit, a selecting unit that selects a signal value at a predetermined interval from the time-series signal extracted by the extracting unit, and a calculating unit that calculates higher-order local autocorrelation based on the signal value selected by the selecting unit.
    Type: Application
    Filed: October 1, 2013
    Publication date: February 4, 2016
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Daisuke OKUYA, Kurato MAENO, Michiyo MATSUI
  • Publication number: 20160025847
    Abstract: Provided is a state recognizing device including: a first filter unit performing a filtering process on a time-series signal obtained by performing remote measuring on a space, in accordance with a first cutoff frequency to allow a signal component deriving from movement of a biological organism to pass through; a second filter unit performing a filtering process on the time-series signal in accordance with a second cutoff frequency to allow a signal component based on biological information to pass through; an amplitude-component extracting unit extracting a first feature quantity related to an amplitude component from a signal passed through the first and/or second filter units; a frequency-component extracting unit extracting a second feature quantity related to a frequency component from a signal passed through the first and/or second filter units; and a recognizing unit recognizing a state of the space by using the first and second feature quantities.
    Type: Application
    Filed: October 22, 2013
    Publication date: January 28, 2016
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Daisuku OKUYA, Kurato MAENO, Michiyo MATSUI
  • Publication number: 20150186569
    Abstract: The invention provides an object detection device including a statistical model estimation section that, using a Doppler signal in a specific period of time for a given reflecting object, or using data obtained by performing a specific data conversion on the Doppler signal, estimates a statistical model expressing time series fluctuations in the Doppler signal or in the data, and a determination section that determines whether or not there is an aperiodically moving object present at the reflecting object based on incompatibility between the statistical model estimated by the statistical model estimation section and time series fluctuations in the Doppler signal or in the data.
    Type: Application
    Filed: December 23, 2014
    Publication date: July 2, 2015
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Masatoshi SEKINE, Kurato MAENO
  • Publication number: 20150154849
    Abstract: To improve the accuracy of the determination on whether or not a moving object is present in a predetermined region, a control device for use in a system configured to conduct presence-or-absence determination on whether or not a moving object is present on the basis of detection by a first sensor provided in a predetermined compartment region, the control device comprising: a mode control section configured to control switching of an operation mode for the detection by the first sensor or the presence-or-absence determination; and an acquisition section configured to acquire a determination result of whether or not a moving object is present in an adjacent region adjacent to the predetermined compartment region and not including the predetermined compartment region; wherein the mode control section controls the switching of the operation mode in response to the determination result acquired by the acquisition section, is provided.
    Type: Application
    Filed: November 4, 2014
    Publication date: June 4, 2015
    Applicant: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventors: Michiyo MATSUI, Kurato MAENO, Takashi HASHIMOTO, Motoko KAGAYA
  • Publication number: 20150134263
    Abstract: There is provided an information processing apparatus including: an input unit inputting first vibration information observed from a moving body; a generating unit generating second vibration information based on a periodic function including at least one parameter that models periodic motion of the moving body; and an estimating unit estimating the at least one parameter based on a comparison result for the first vibration information inputted by the input unit and the second vibration information generated by the generating unit. The estimating unit repeatedly estimates the at least one parameter based on a comparison result for the first vibration information and the second vibration information that has been regenerated by the generating unit using the estimated at least one parameter.
    Type: Application
    Filed: October 20, 2014
    Publication date: May 14, 2015
    Applicants: Oki Electric Industry Co., Ltd., Chuo University
    Inventors: Kurato MAENO, Kohei YAMAMOTO, Toshinari KAMAKURA
  • Patent number: 8854692
    Abstract: The present invention provides an information printing method and a printing device, which assure a higher level of security when outputting printed matter. The present invention provides a printing device comprising a document storage means for storing electronic document data generated at a printing instruction issuing terminal operated by a printing instruction issuer and transmitted from the printing instruction issuing terminal, an ID setting means for setting a print retriever ID of a print retriever who is to execute processing for outputting the electronic document data stored at the document storage means onto paper, a watermark information superimposing means for superimposing the print retriever ID having been set at the ID setting means as watermark information onto the electronic document data and a printing means for outputting the electronic document data having the watermark information superimposed thereupon by the watermark information superimposing means onto paper.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: October 7, 2014
    Assignee: Oki Data Corporation
    Inventor: Kurato Maeno
  • Patent number: 8603002
    Abstract: A microvibration feature quantity apparatus includes a beat signal receiver receiving a beat signal output from a Doppler sensor, which radiates a radiation wave at a predetermined frequency to a body to be observed and senses part of the radiation wave reflected by the body to output the beat signal at a frequency corresponding to a difference in frequency between the radiation wave and the reflected part of the wave, a frequency converter transforming the received beat signal into a frequency-domain signal, and a beat signal feature quantity calculator using the frequency-domain signal to derive a beat signal feature quantity exhibiting an abrupt change with respect to time of a vibration velocity of the microvibration, thereby accurately calculating a feature quantity of the microvibration raised in the body.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: December 10, 2013
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Kurato Maeno
  • Patent number: 8422043
    Abstract: In a watermarked document printing apparatus, secret information is divided, error correction encoding is performed to each divided pieces of information, and the secret information is converted into a pattern image and embedded in paper. In a watermarked document reading apparatus, after extracting signals from the pattern image on the paper, a reading error is detected by decoding the error correction code for each divided pieces of information, and the portion where the reading error exists is read again. The scanning process is performed again only to the portion where the decoding cannot be performed due to the temporal malfunction of the scanner or the like. Therefore, the pattern image can efficiently be obtained.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: April 16, 2013
    Assignee: Oki Data Corporation
    Inventors: Akihiro Fujii, Kurato Maeno
  • Patent number: 8379245
    Abstract: In a copy management system, an output device generates a print image, and list information including identification information identifying a person authorized for printing. The list information is converted to a specific code, which is in turn embedded in a print image. The code-embedded print image is output by a printer on a printing medium. The code-embedded print image on the printing medium is received by a copying device of the system. The copying device also receives and accepts copier identification information identifying a copying person. The list information is acquired from the code-embedded print image. The identification information in the list information acquired is compared to the copier identification information accepted. Allowance/non-allowance of copying is determined based on whether or not the above information coincides with each other. The copying device outputs a printed copy subject to decision for allowance of copying.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: February 19, 2013
    Assignee: Oki Data Corporation
    Inventor: Kurato Maeno
  • Patent number: 8305647
    Abstract: The present invention provides an information printing method and a printing device, which assure a higher level of security when outputting printed matter. The present invention provides a printing device comprising a document storage means for storing electronic document data generated at a printing instruction issuing terminal operated by a printing instruction issuer and transmitted from the printing instruction issuing terminal, an ID setting means for setting a print retriever ID of a print retriever who is to execute processing for outputting the electronic document data stored at the document storage means onto paper, a watermark information superimposing means for superimposing the print retriever ID having been set at the ID setting means as watermark information onto the electronic document data and a printing means for outputting the electronic document data having the watermark information superimposed thereupon by the watermark information superimposing means onto paper.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: November 6, 2012
    Assignee: Oki Data Corporation
    Inventor: Kurato Maeno
  • Publication number: 20120253212
    Abstract: A microvibration feature quantity apparatus includes a beat signal receiver receiving a beat signal output from a Doppler sensor, which radiates a radiation wave at a predetermined frequency to a body to be observed and senses part of the radiation wave reflected by the body to output the beat signal at a frequency corresponding to a difference in frequency between the radiation wave and the reflected part of the wave, a frequency converter transforming the received beat signal into a frequency-domain signal, and a beat signal feature quantity calculator using the frequency-domain signal to derive a beat signal feature quantity exhibiting an abrupt change with respect to time of a vibration velocity of the microvibration, thereby accurately calculating a feature quantity of the microvibration raised in the body.
    Type: Application
    Filed: December 29, 2011
    Publication date: October 4, 2012
    Applicant: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventor: Kurato MAENO
  • Patent number: 8270663
    Abstract: The watermarked information embedding apparatus which inputs an image and embeds watermarked information in the input image, comprises: picture element determining means which determines whether it is a picture element constituting a background image for each of picture elements which constitute the input image; background picture element removing means which removes all of background picture elements determined as picture elements constituting the background image by the picture element determining means; and watermarked information embedding means which embeds the watermarked information in an image constituted by a picture element from which the background picture element constituting the input image is removed by the background picture element removing means.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: September 18, 2012
    Assignee: Oki Data Corporation
    Inventor: Kurato Maeno