Patents by Inventor Junji Kanamoto
Junji Kanamoto 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).
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Patent number: 9323999Abstract: An image recognition device includes an image acquiring unit configured to acquire an image, and an object recognition unit configured to extract feature points from the image acquired by the image acquiring unit, to detect coordinates of the extracted feature points in a three-dimensional spatial coordinate system, and to determine a raster scan region which is used to recognize a target object based on the detection result.Type: GrantFiled: February 7, 2013Date of Patent: April 26, 2016Assignee: Honda Elesys Co., Ltd.Inventors: Hiroyuki Akimoto, Junji Kanamoto
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Patent number: 9064182Abstract: An image recognition device includes an image acquiring unit configured to acquire an image, and an object recognition unit configured to calculate gradient directions and gradient values of intensity of the image acquired by the image acquiring unit, to scan the gradient values of each acquired gradient direction with a window, to calculate a rectangular feature value, and to recognize a target object using a classifier based on the rectangular feature value.Type: GrantFiled: January 31, 2013Date of Patent: June 23, 2015Assignee: Honda Elesys Co., Ltd.Inventors: Tomokazu Mitsui, Hiroyuki Akimoto, Junji Kanamoto
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Patent number: 9041596Abstract: An on-board multibeam radar apparatus includes a plurality of beam elements that constitute an antenna transmitting a transmission wave and receiving an incoming wave reflected by and arriving from a target in response to the transmission wave, and a processing unit configured to apply a Fourier transformation to beam element data which are data of a received wave received through the plurality of beam elements based on the number of elements and the element interval of a desired virtual array antenna so as to create virtual array data, and to perform a predetermined process based on the created virtual array data.Type: GrantFiled: February 10, 2012Date of Patent: May 26, 2015Assignees: National University Corporation Shizuoka University, Honda Elesys Co., LtdInventors: Yoshihiko Kuwahara, Junji Kanamoto, Hiroyuki Kamo
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Patent number: 8907840Abstract: An electronic scanning radar apparatus mounted on a moving object includes a receiver unit including a plurality of antennas receiving a received wave arriving from a target having reflected a transmitted wave, a beat signal generating unit generating a beat signal from the transmitted wave and the received wave, a frequency resolving unit resolving the beat signal into beat frequencies having a predetermined frequency bandwidth and that calculates complex data based on the beat signal resolved for each beat frequency, and an azimuth detecting unit estimating a wave number of the received wave based on singular values calculated from a matrix created based on the complex data calculated based on the beat signal and calculating a direction of arrival of the received wave based on coefficients calculated based on a pseudo-inverse matrix of the matrix included in a signal subspace determined by the estimated wave number.Type: GrantFiled: February 3, 2012Date of Patent: December 9, 2014Assignee: Honda Elesys Co., Ltd.Inventor: Junji Kanamoto
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Patent number: 8847815Abstract: An electronic scanning radar apparatus mounted on a moving object includes a receiving unit including a plurality of antennas receiving a received wave arriving from a target having reflected a transmitted wave, a beat signal generating unit generating a beat signal from the transmitted wave and the received wave, a frequency resolving unit resolving the beat signal in beat frequencies and to calculate complex data based on the beat signal resolved for each beat frequency, and an azimuth detecting unit calculating a direction of arrival of the received wave based on original complex data calculated based on the beat signal, wherein the azimuth detecting unit includes a data extending unit generating extended complex data by extending the number of data based on the original complex data, and a first computation processing unit calculating the direction of arrival of the received wave based on the extended complex data.Type: GrantFiled: December 21, 2011Date of Patent: September 30, 2014Assignee: Honda elesys Co., Ltd.Inventor: Junji Kanamoto
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Patent number: 8836812Abstract: An image processing device includes an image acquiring unit, a storage unit, and an image processing unit, wherein the image region is divided into a plurality of sub-regions in the vertical direction, and wherein when the rectangular range set in the image region extends over two or more sub-regions, the image processing unit acquires the cumulative value at a pixel position in the lowermost sub-region of the two or more sub-regions by adding the cumulative values in the upper sub-regions at the pixel position in the same column of a lowermost row in the upper sub-regions, over which the rectangular range extends, to the cumulative value in the lowermost sub-region at the pixel position in the lowermost sub-region.Type: GrantFiled: March 14, 2013Date of Patent: September 16, 2014Assignee: Honda Elesys Co., Ltd.Inventors: Junji Kanamoto, Tomokazu Mitsui
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Patent number: 8730099Abstract: An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit compuType: GrantFiled: April 9, 2013Date of Patent: May 20, 2014Assignee: Honda elesys Co., Ltd.Inventors: Junji Kanamoto, Hiroyuki Akimoto
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Patent number: 8730096Abstract: An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit compuType: GrantFiled: April 9, 2013Date of Patent: May 20, 2014Assignee: Honda elesys Co., Ltd.Inventors: Junji Kanamoto, Hiroyuki Akimoto
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Patent number: 8648745Abstract: An electronic scanning radar apparatus in accordance with an embodiment of the present invention, a frequency resolving unit resolves beat signals into beat frequencies having a predetermined frequency bandwidth and calculates complex data based on the resolved beat signals for each beat frequency. An azimuth calculating unit estimates a number of received waves based on eigenvalues of a matrix being part of a primary normal equation having complex data as elements calculated from the beat signals, creates coefficients calculated as a solution of a secondary normal equation of a signal subspace created based on eigenvalues and eigenvectors corresponding to the number of the estimated waves, and calculates a DOA of a received wave based on the created coefficients.Type: GrantFiled: October 18, 2011Date of Patent: February 11, 2014Assignee: Honda elesys Co., Ltd.Inventor: Junji Kanamoto
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Patent number: 8581777Abstract: In an electronic scanning radar apparatus, a receiving unit includes a plurality of antennas receiving a reflected wave arriving from a target having reflected a transmitted wave as a received wave. A beat signal generating unit generates beat signals from the transmitted wave and the received wave. A frequency resolving unit resolves the beat signals in beat frequencies having a predetermined frequency bandwidth and calculates complex data based on the resolved beat signals for each beat frequency. An azimuth calculating unit estimates an order of a normal equation used to calculate a DOA of the received wave on the basis of eigenvalues of a primary order matrix having complex data calculated from the beat signals as elements, creates a secondary order normal equation based on the estimated order, and calculates the DOA of the received wave based on the created secondary order normal equation.Type: GrantFiled: July 1, 2011Date of Patent: November 12, 2013Assignee: Honda elesys Co., Ltd.Inventors: Junji Kanamoto, Itaru Izumi, Hiroyuki Akimoto
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Publication number: 20130279745Abstract: An image recognition device includes an image acquiring unit configured to acquire an image, and an object recognition unit configured to calculate gradient directions and gradient values of intensity of the image acquired by the image acquiring unit, to scan the gradient values of each acquired gradient direction with a window, to calculate a rectangular feature value, and to recognize a target object using a classifier based on the rectangular feature value.Type: ApplicationFiled: January 31, 2013Publication date: October 24, 2013Inventors: Tomokazu MITSUI, Hiroyuki AKIMOTO, Junji KANAMOTO
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Publication number: 20130279746Abstract: An image recognition device includes an image acquiring unit configured to acquire an image, and an object recognition unit configured to extract feature points from the image acquired by the image acquiring unit, to detect coordinates of the extracted feature points in a three-dimensional spatial coordinate system, and to determine a raster scan region which is used to recognize a target object based on the detection result.Type: ApplicationFiled: February 7, 2013Publication date: October 24, 2013Inventors: Hiroyuki AKIMOTO, Junji Kanamoto
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Patent number: 8552907Abstract: In accordance with one of embodiments of the present invention, a frequency resolution processing unit calculates complex number data based on a beat signal caused by a receiving wave coming from a target and a transmission wave. A target detection unit detects a peak value from the intensities of beat frequencies, and then detects an existence of the target. The target link unit makes association between a target detected in the present detecting cycle and the target detected in the past detecting cycle. A direction estimating unit generates a generative complex number data based on the complex number data so as to correspond to a data generation unit. The direction estimating unit calculates, for each antenna, an incoming direction of the receiving wave based on each of normal equations formed by use of the complex number data of the beat frequency which an existence of the target is detected and the generative complex number data.Type: GrantFiled: May 18, 2011Date of Patent: October 8, 2013Assignee: Honda elesys Co., Ltd.Inventor: Junji Kanamoto
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Publication number: 20130229301Abstract: An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit compuType: ApplicationFiled: April 9, 2013Publication date: September 5, 2013Applicant: Honda elesys Co., Ltd.Inventors: Junji KANAMOTO, Hiroyuki Akimoto
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Patent number: 8466830Abstract: An electronic scanning radar apparatus includes a transmission unit configured to transmit a transmission wave, and a receiving unit including a plurality of antennas receiving a receiving wave coming from a target. The receiving wave is formed from a reflection wave of the transmission wave reflected at the target. A beat signal generation unit is configured to generate beat signals in response to the transmission wave and the receiving wave. A frequency resolution processing unit is configured to obtain complex number data calculated from beat frequencies having signal levels obtained by performing a frequency resolution for the beat signals based on a predetermined frequency width. A peak detector is configured to detect an existence of the target by detecting peak signal levels of the beat frequencies, and a direction detecting unit is configured to calculate an incoming direction of the receiving wave based on a normal equation having an order.Type: GrantFiled: February 7, 2011Date of Patent: June 18, 2013Assignee: Honda Elesys Co., Ltd.Inventor: Junji Kanamoto
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Patent number: 8446312Abstract: An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit compuType: GrantFiled: December 25, 2008Date of Patent: May 21, 2013Assignee: Honda Elesys Co., Ltd.Inventors: Junji Kanamoto, Hiroyuki Akimoto
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Patent number: 8441395Abstract: An electronic scanning radar apparatus includes a transmission unit configured to transmit a transmission wave, a receiving unit including a plurality of antennas receiving an incoming wave coming from a target, a beat signal generation unit configure to generate beat signals in response to the transmission wave and the incoming wave, a frequency resolution processing unit obtaining complex number data calculated from beat frequencies having signal levels obtained by performing a frequency resolution for the beat signals based on a predetermined frequency width, a peak detector detecting an existence of a present target by detecting peak signal levels of the beat frequencies, a target link unit associating between the present target detected in a present detecting cycle and a past target detected in past detecting cycles; and a direction detecting unit calculating a direction of the incoming wave based on the weighted averaging process.Type: GrantFiled: December 23, 2010Date of Patent: May 14, 2013Assignee: Honda Elesys Co., Ltd.Inventor: Junji Kanamoto
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Publication number: 20120274501Abstract: An on-board multibeam radar apparatus includes a plurality of beam elements that constitute an antenna transmitting a transmission wave and receiving an incoming wave reflected by and arriving from a target in response to the transmission wave, and a processing unit configured to apply a Fourier transformation to beam element data which are data of a received wave received through the plurality of beam elements based on the number of elements and the element interval of a desired virtual array antenna so as to create virtual array data, and to perform a predetermined process based on the created virtual array data.Type: ApplicationFiled: February 10, 2012Publication date: November 1, 2012Applicants: HONDA ELESYS CO., LTD., NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITYInventors: Yoshihiko KUWAHARA, Junji Kanamoto, Hiroyuki Kamo
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Publication number: 20120268316Abstract: An electronic scanning radar apparatus in accordance with an embodiment of the present invention, a frequency resolving unit resolves beat signals into beat frequencies having a predetermined frequency bandwidth and calculates complex data based on the resolved beat signals for each beat frequency. An azimuth calculating unit estimates a number of received waves based on eigenvalues of a matrix being part of a primary normal equation having complex data as elements calculated from the beat signals, creates coefficients calculated as a solution of a secondary normal equation of a signal subspace created based on eigenvalues and eigenvectors corresponding to the number of the estimated waves, and calculates a DOA of a received wave based on the created coefficients.Type: ApplicationFiled: October 18, 2011Publication date: October 25, 2012Applicant: Honda elesys Co., Ltd.Inventor: Junji KANAMOTO
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Publication number: 20120268314Abstract: An on-board multibeam radar apparatus includes a plurality of beam elements that constitute an antenna transmitting a transmission wave and receiving an incoming wave being reflected and arriving from a target in response to the transmission wave, a control unit configured to select a beam element used for transmission and reception out of the plurality of beam elements so as to change a field of view, and a processing unit configured to apply a Fourier transformation to beam element data which are data of a received wave received through the beam element used for transmission and reception selected by the control unit based on the number of elements and the element interval of a desired virtual array antenna so as to create virtual array data, and to perform a predetermined process based on the created virtual array data.Type: ApplicationFiled: February 10, 2012Publication date: October 25, 2012Applicants: HONDA ELESYS CO., LTD., NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITYInventors: Yoshihiko KUWAHARA, Junji Kanamoto, Hiroyuki Kamo