Patents by Inventor Kyoko Kawaguchi
Kyoko Kawaguchi 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: 9412010Abstract: A posture estimation device, which is able to estimate the posture of a humanoid articulated body with high precision, has: a head estimation unit (120) that estimates the position of a person's head from image information for an image that contains a person; a foot estimation unit (130) that, from the image information, estimates the position of the person's foot for which the sole of the foot is parallel to the floor surface; and a posture estimation unit (140) that estimates the posture of the person on the basis of the relative positional relationship between the estimated head position and the estimated foot position. For example, the posture estimation unit (140) estimates the side on which the foot is located, with respect to the head, as the front side of the person.Type: GrantFiled: July 2, 2012Date of Patent: August 9, 2016Assignee: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Tateaki Nogami, Masamoto Tanabiki, Yuji Sato, Kazuhiko Iwai, Mitsuko Fujita
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Patent number: 9396469Abstract: The present invention provides an electronic wallet having a higher level of anonymity, security and convenience, which is capable of efficient electronizing of value information as well as which allows the user to efficiently manage the electronic value information. A presentation card 801 indicating the fixed property of an electronic value is digitally signed by the service provider; a variable property 802 is digitally signed with the private key of that electronic value. A service control 803, security information 804, representation control 805 and representation resource 806 are digitally signed by the service provider. These digital signature will be authenticated each time an electronic value object is generated.Type: GrantFiled: September 18, 2000Date of Patent: July 19, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hisashi Takayama, Tetsuo Matsuse, Kyoko Kawaguchi, Yoshiaki Nakanishi, Osamu Sasaki
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Patent number: 9355305Abstract: The present invention is a posture estimation device for estimating a wide variety of 3-dimensional postures by using a skeletal model. The posture estimation device (200) has: a skeletal backbone estimation unit (230) for estimating the position of a feature location of a person within an acquired image; a location extraction unit (240) which generates a likelihood map indicating the certainty that a location other than the feature location of the person exists in the acquired image based on the position of the feature location of the person; and a skeletal model evaluation unit (250) for evaluating, based on the likelihood map, a candidate group which includes a plurality of 2-dimensional skeletal models as candidates and such that each 2-dimensional skeletal model is configured from a line group representing each location and a point group representing coupling between each location and corresponds to one posture of the person.Type: GrantFiled: September 15, 2011Date of Patent: May 31, 2016Assignee: PANASONIC CORPORATIONInventors: Masamoto Tanabiki, Kensuke Maruya, Mitsuko Fujita, Kyoko Kawaguchi, Yuji Sato, Yoshimitsu Aoki
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Patent number: 9275276Abstract: A posture estimation device that is capable of highly precisely estimating the posture of an object comprising multiple parts. Said device (100) comprises: a posture information database (110) that for each of multiple postures, holds posture information that defines the placement of multiple parts; a fitting unit (160) that computes, for each of the parts in an image, a correlation level between the placement of the parts and the posture information; a difficulty level information table (130) that holds an estimation difficulty level that is a degree of difficulty of estimating each part position and computed on the basis of each parallel line components of each of the parts contained in the posture information; and a posture estimation unit (170) that to the correlation level, applies a weighting based on the estimation difficulty level, and on the basis of the weighted correlation level, estimates the posture of the object.Type: GrantFiled: November 14, 2012Date of Patent: March 1, 2016Assignee: PANASONIC CORPORATIONInventor: Kyoko Kawaguchi
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Patent number: 9262674Abstract: Disclosed is an orientation state estimation device capable of estimating with high accuracy the orientation state of a jointed body. An orientation state estimation device (100) estimates the orientation state of a body on the basis of image data of the body having multiple parts connected by joints. The device is provided with: a likelihood map generation unit (150) which, from the image data, for at least two parts of the jointed body, generates a likelihood map showing the plausibility distribution of where each part is most plausibly positioned; and an orientation state estimation unit (160) which, when a learning likelihood map, which is associated in advance with an orientation state, and an estimated likelihood map, which is generated on the basis of the image data, coincide to a high degree, estimates that the orientation state associated with said learning likelihood map is the orientation state of the object.Type: GrantFiled: November 22, 2011Date of Patent: February 16, 2016Assignee: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Masamoto Tanabiki, Kensuke Maruya, Yuji Sato, Mitsuko Fujita
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Publication number: 20150286866Abstract: A trajectory analyzing apparatus includes a matching unit that calculates the correlation between a forward trajectory obtained by tracking a moving object over pictures along the forward direction of the time axis and a backward trajectory obtained by tracking a moving object over the pictures along the backward direction of the time axis and a result output unit that outputs trajectory information indicating at least one of the forward trajectory, the backward trajectory, and an integrated trajectory obtained by integrating the forward trajectory and backward trajectory and indicating the degree of reliability of the at least one trajectory based on the calculated correlation.Type: ApplicationFiled: April 1, 2015Publication date: October 8, 2015Inventors: KYOKO KAWAGUCHI, TAIKI SEKII, MASAMOTO TANABIKI
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Publication number: 20150169947Abstract: A candidate region extraction unit (110) extracts candidate regions from an image by using a common characteristic amount. A part region extraction unit (120) separates a part region, which has a high likelihood of being a part, from a second-part candidate region other than the part region. A characteristic amount calculation unit (130) calculates the intrinsic characteristic amount of each of the part region and the second-part candidate region. A characteristic amount correction unit (140) corrects the intrinsic characteristic amount of either one of the candidate regions on the basis of the length, the width, and the angle of the other candidate region. A determination unit (150) determines whether or not the part region and the second-part candidate region are parts that constitute a pair on the basis of the similarity between the corrected intrinsic characteristic amount and the intrinsic characteristic amount of the other candidate region.Type: ApplicationFiled: June 4, 2013Publication date: June 18, 2015Inventors: Kyoko Kawaguchi, Kazuhiko Iwai
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Patent number: 9031286Abstract: Disclosed is an object detection method capable of detecting with high precision information relating to a jointed object from image data. An object detection device (160) detects information relating to an object from image data of images captured of an object having multiple parts connected by joints. The disclosed object detection device (160) is provided with a joint angle extraction unit (161) which extracts the angle of a joint connecting two parts from candidates of the positions of two neighboring parts obtained from the image data, and a part length ratio estimation unit (165) which uses the joint angle to perform the detection described above.Type: GrantFiled: November 22, 2011Date of Patent: May 12, 2015Assignee: Panasonic CorporationInventors: Kyoko Kawaguchi, Masamoto Tanabiki, Kensuke Maruya, Yuji Sato, Mitsuko Fujita
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Publication number: 20150055875Abstract: With this device, an edge pair likelihood map generation unit (120) computes an edge pair likelihood which denotes the plausibility that a pixel of a pair is an edge of an estimation subject site, and generates an edge pair likelihood map which denotes the edge pair likelihood for each pixel. A continuity likelihood map generation unit (130) evaluates, upon the edge pair likelihood map, the continuity for the edge pair likelihood of a pixel which is included in a region wherein the estimate subject site is presumed, and generates a continuity likelihood map which denotes an edge pair likelihood which has continuity as a candidate region of the estimate subject site. An integrated likelihood map generation unit (140) generates an integrated likelihood map which denotes the candidate region which the continuity likelihood map denotes, refined based on a predetermined condition.Type: ApplicationFiled: March 15, 2013Publication date: February 26, 2015Inventors: Kyoko Kawaguchi, Masamoto Tanabiki, Yuji Sato
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Patent number: 8934674Abstract: Provided is a person detection device with which it is possible to estimate a state of a part of a person from an image. A person detection device (100) comprises: an evaluation unit (430) which acquires a prescribed outline of a person from an evaluation image; and a shoulder position calculation unit (440) and an orientation estimation unit (500) which estimate a state of a prescribed part of a person which is included in the evaluation image from the prescribed outline of the person which is acquired from the evaluation image, on the basis of an estimation model which denotes a relation between the prescribed outline and the state of the prescribed part of the person.Type: GrantFiled: October 5, 2011Date of Patent: January 13, 2015Assignee: Panasonic CorporationInventors: Masamoto Tanabiki, Kensuke Maruya, Mitsuko Fujita, Kyoko Kawaguchi, Yuji Sato
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Publication number: 20140301605Abstract: A posture estimation device that is capable of highly precisely estimating the posture of an object comprising multiple parts. Said device (100) comprises: a posture information database (110) that for each of multiple postures, holds posture information that defines the placement of multiple parts; a fitting unit (160) that computes, for each of the parts in an image, a correlation level between the placement of the parts and the posture information; a difficulty level information table (130) that holds an estimation difficulty level that is a degree of difficulty of estimating each part position and computed on the basis of each parallel line components of each of the parts contained in the posture information; and a posture estimation unit (170) that to the correlation level, applies a weighting based on the estimation difficulty level, and on the basis of the weighted correlation level, estimates the posture of the object.Type: ApplicationFiled: November 14, 2012Publication date: October 9, 2014Applicant: Panasonic CorporationInventor: Kyoko Kawaguchi
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Publication number: 20140163424Abstract: Provided is a posture estimation device with which it is possible to estimate the posture of an object having joints with a high degree of precision. A posture estimation device (100) carries out an estimation of a posture of an object on the basis of image data wherein an object having a plurality of sites which are connected by joints is photographed. The device comprises: a reference model storage unit (140) which stores a reference model, which defines the locations of the sites, for each posture; a weighting computation unit (150) which carries out weighting on the sites for each posture such that the weighting of concentrated parts is reduced; and a posture estimation unit (160) which estimates the posture of the object by applying the weighting and comparing the reference model with the object.Type: ApplicationFiled: February 20, 2012Publication date: June 12, 2014Applicant: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Masamoto Tanabiki, Kensuke Maruya, Yuji Sato, Mitsuko Fujita
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Patent number: 8751191Abstract: A motion analysis apparatus is provided that enables an analysis result presentation quantity to be easily adjusted. A motion analysis apparatus is an apparatus that performs analysis of motion subject to comparison (compared motion) by means of comparison with standard motion, and has a motion feature extraction section and motion extraction section that determine a location where a degree of difference between a motion subject to comparison and a standard motion satisfies a predetermined condition, a presentation quantity input section that receives a specification of a presentation quantity of locations that satisfy the predetermined condition, and a motion extraction degree adjustment section that adjusts the predetermined condition so that a quantity of locations satisfying the predetermined condition becomes the specified presentation quantity.Type: GrantFiled: December 20, 2010Date of Patent: June 10, 2014Assignee: Panasonic CorporationInventors: Kyoko Kawaguchi, Masamoto Tanabiki
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Publication number: 20140140596Abstract: A posture estimation device, which is able to estimate the posture of a humanoid articulated body with high precision, has: a head estimation unit (120) that estimates the position of a person's head from image information for an image that contains a person; a foot estimation unit (130) that, from the image information, estimates the position of the person's foot for which the sole of the foot is parallel to the floor surface; and a posture estimation unit (140) that estimates the posture of the person on the basis of the relative positional relationship between the estimated head position and the estimated foot position. For example, the posture estimation unit (140) estimates the side on which the foot is located, with respect to the head, as the front side of the person.Type: ApplicationFiled: July 2, 2012Publication date: May 22, 2014Applicant: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Tateaki Nogami, Masamoto Tanabiki, Yuji Sato, Kazuhiko Iwai, Mitsuko Fujita
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Publication number: 20130301882Abstract: Disclosed is an orientation state estimation device capable of estimating with high accuracy the orientation state of a jointed body. An orientation state estimation device (100) estimates the orientation state of a body on the basis of image data of the body having multiple parts connected by joints. The device is provided with: a likelihood map generation unit (150) which, from the image data, for at least two parts of the jointed body, generates a likelihood map showing the plausibility distribution of where each part is most plausibly positioned; and an orientation state estimation unit (160) which, when a learning likelihood map, which is associated in advance with an orientation state, and an estimated likelihood map, which is generated on the basis of the image data, coincide to a high degree, estimates that the orientation state associated with said learning likelihood map is the orientation state of the object.Type: ApplicationFiled: November 22, 2011Publication date: November 14, 2013Applicant: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Masamoto Tanabiki, Kensuke Maruya, Yuji Sato, Mitsuko Fujita
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Patent number: 8565488Abstract: A motion analysis apparatus is provided that enables a contribution degree that suits analysis conditions to be set easily. A motion analysis apparatus (300) is provided with a motion data input section (310) that receives learning data as input, a motion feature extraction section (320) that extracts a motion feature amount from learning data, a principal component analysis section (330) that performs principal component analysis using a motion feature amount on part of the learning data, and learns a subspace, a learning data distance calculation section (340) that calculates a distance between a learning data motion feature amount and a subspace, and a contribution degree determination section (350) that determines the suitability of a contribution degree used in principal component analysis, from a distance calculated from learning data that is used in subspace learning and a distance calculated from learning data that is not used in subspace learning.Type: GrantFiled: November 5, 2010Date of Patent: October 22, 2013Assignee: Panasonic CorporationInventors: Kyoko Kawaguchi, Masamoto Tanabiki
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Publication number: 20130259391Abstract: This posture state estimation device is capable of estimating with high accuracy the posture state of an object. The posture state estimation device (100) is a device for estimating the posture state of an object having a plurality of sections connected by joints on the basis of image data that images the object, and has a section candidate extraction unit (140) for extracting a section candidate for a section from the image data, a complementary section candidate extraction unit (160) which estimates that a portion of an unextracted section for which a section candidate has not been extracted is being shadowed by an already extracted section for which a section candidate has been extracted in order to extract a section candidate of the unextracted section, and a posture state estimation unit (170) for estimating the posture state of the object on the basis of the extracted section candidate.Type: ApplicationFiled: January 10, 2012Publication date: October 3, 2013Applicant: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Masamoto Tanabiki, Kensuke Maruya, Yuji Sato, Mitsuko Fujita
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Publication number: 20130251203Abstract: Provided is a person detection device with which it is possible to estimate a state of a part of a person from an image. A person detection device (100) comprises: an evaluation unit (430) which acquires a prescribed outline of a person from an evaluation image; and a shoulder position calculation unit (440) and an orientation estimation unit (500) which estimate a state of a prescribed part of a person which is included in the evaluation image from the prescribed outline of the person which is acquired from the evaluation image, on the basis of an estimation model which denotes a relation between the prescribed outline and the state of the prescribed part of the person.Type: ApplicationFiled: October 5, 2011Publication date: September 26, 2013Applicant: C/O PANASONIC CORPORATIONInventors: Masamoto Tanabiki, Kensuke Maruya, Mitsuko Fujita, Kyoko Kawaguchi, Yuji Sato
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Publication number: 20130243259Abstract: Disclosed is an object detection method capable of detecting with high precision information relating to a jointed object from image data. An object detection device (160) detects information relating to an object from image data of images captured of an object having multiple parts connected by joints. The disclosed object detection device (160) is provided with a joint angle extraction unit (161) which extracts the angle of a joint connecting two parts from candidates of the positions of two neighboring parts obtained from the image data, and a part length ratio estimation unit (165) which uses the joint angle to perform the detection described above.Type: ApplicationFiled: November 22, 2011Publication date: September 19, 2013Applicant: PANASONIC CORPORATIONInventors: Kyoko Kawaguchi, Masamoto Tanabiki, Kensuke Maruya, Yuji Sato, Mitsuko Fujita
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Publication number: 20130230211Abstract: The present invention is a posture estimation device for estimating a wide variety of 3-dimensional postures by using a skeletal model. The posture estimation device (200) has: a skeletal backbone estimation unit (230) for estimating the position of a feature location of a person within an acquired image; a location extraction unit (240) which generates a likelihood map indicating the certainty that a location other than the feature location of the person exists in the acquired image based on the position of the feature location of the person; and a skeletal model evaluation unit (250) for evaluating, based on the likelihood map, a candidate group which includes a plurality of 2-dimensional skeletal models as candidates and such that each 2-dimensional skeletal model is configured from a line group representing each location and a point group representing coupling between each location and corresponds to one posture of the person.Type: ApplicationFiled: September 15, 2011Publication date: September 5, 2013Applicant: PANASONIC CORPORATIONInventors: Masamoto Tanabiki, Kensuke Maruya, Mitsuko Fujita, Kyoko Kawaguchi, Yuji Sato, Yoshimitsu Aoki