Patents by Inventor Masaki Fukuda
Masaki Fukuda 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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Publication number: 20210390717Abstract: An object amount calculation apparatus includes: a receiver configured to obtain a first three-dimensional model and a second three-dimensional model different from the first three-dimensional model, each of the first three-dimensional model and the second three-dimensional model representing a same space, each of the first three-dimensional model and the second three-dimensional model being constituted with regions having respective attributes; and a processor configured to: align the first three-dimensional model and the second three-dimensional model based on at least one attribute of the first three-dimensional model and the second three-dimensional model; calculate, for each of the attributes, a difference between the first three-dimensional model aligned and the second three-dimensional model aligned; and output (i) a total amount of differences corresponding to two or more attributes among the attributes and (ii) information on the two or more attributes.Type: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Masaki FUKUDA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Kensho TERANISHI
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Patent number: 11176707Abstract: A calibration apparatus calibrates parameters of imaging apparatuses which are disposed at different positions and image a common three-dimensional space. The calibration apparatus includes: an obtaining circuit which obtains videos captured by the imaging apparatuses and each including frames; an extraction circuit which extracts feature points from the frames included in the videos, the feature points including first feature points extracted from first frames included in the videos and second feature points extracted from areas containing an image of a moving object in second frames included in the videos and different from the first frames; a matching circuit which performs matching using the feature points, the matching including matching between the first feature points and matching between the second feature points; and a calibration circuit which calculates parameters of the imaging apparatuses based on first matching results obtained through the matching by the matching circuit.Type: GrantFiled: October 14, 2020Date of Patent: November 16, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tatsuya Koyama, Masaki Fukuda, Toshiyasu Sugio, Toru Matsunobu, Satoshi Yoshikawa
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Publication number: 20210335010Abstract: A calibration method of calibrating, using a processor, parameters of a plurality of imaging apparatuses that capture a common three-dimensional space, includes: obtaining images captured by the plurality of imaging apparatuses; obtaining the parameters of the plurality of imaging apparatuses; for each of the images, generating at least one search window to extract a plurality of feature points of the image using the parameters; for each of the images, extracting the plurality of feature points from an inside of the at least one search window; performing feature point matching between the images using the plurality of feature points; and calibrating the parameters based on a plurality of matching results obtained.Type: ApplicationFiled: July 8, 2021Publication date: October 28, 2021Inventors: Masaki FUKUDA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA
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Patent number: 11153625Abstract: An image display method includes receiving an integrated image in which low-resolution images of a scene from different viewpoints are arranged, displaying the integrated image such that a low-resolution image among the low-resolution images is displayed in a first size, receiving a high-resolution image having a same viewpoint as the low-resolution image, the high-resolution image having a higher resolution than the low-resolution image, displaying the high-resolution image in a second size larger than the first size, and displaying the low-resolution image in a third size larger than the first size after the integrated image is displayed and before the high-resolution image is displayed in the second size.Type: GrantFiled: February 26, 2020Date of Patent: October 19, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Satoshi Yoshikawa, Toshiyasu Sugio, Toru Matsunobu, Tatsuya Koyama, Masaki Fukuda
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Publication number: 20210044793Abstract: A generation method for generating a free viewpoint image includes: receiving place information and a first time information from a display device, the place information indicating a place shown by the free viewpoint image, the first time information indicating a first time period; transmitting, to the display device, a video generated by imaging the place in the first time period; receiving designated-time information indicating a designated time from the display device, the designated time being input to the display device according to the video such that the designated time is provided in the first time period; generating the free viewpoint image to show the place at the designated time from a free viewpoint; and transmitting the free viewpoint image to the display device.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Inventors: Satoshi YOSHIKAWA, Toshiyasu SUGIO, Toru MATSUNOBU, Tatsuya KOYAMA, Masaki FUKUDA
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Publication number: 20210044787Abstract: A three-dimensional reconstruction method of generating a three-dimensional model including a three-dimensional point cloud using images obtained by image capturing devices that capture a common three-dimensional space includes acquiring the images captured at corresponding timings and generating three-dimensional points based on the acquired images. The generating includes generating one or more first three-dimensional points based on a result of a first matching performed on points in two or more first images obtained by two or more first image capturing devices, of the image capturing devices, having fields of view with higher similarity than a predetermined threshold, and generating one or more second three-dimensional points based on a result of a second matching performed on points in two or more second images obtained by two or more second image capturing devices, included in the image capturing devices, having fields of view with lower similarity than the predetermined threshold.Type: ApplicationFiled: October 27, 2020Publication date: February 11, 2021Inventors: Toru MATSUNOBU, Toshiyasu SUGIO, Satoshi YOSHIKAWA, Masaki FUKUDA
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Publication number: 20210035355Abstract: A method for analyzing a three-dimensional model of an object which includes: obtaining the three-dimensional model generated based on images of the object, the images being imaged by respective cameras from respective viewpoints, the three-dimensional model including three-dimensional points each of which indicating a position of the object; obtaining a camera parameter of one camera among the respective cameras; generating, based on the camera parameter and the three-dimensional model, a depth image indicating a distance between the one camera and the object; generating a foreground image indicating an area in which the object is present in the one image imaged by the one camera; comparing the depth image and the foreground image to determine whether there is a deficiency of a three-dimensional point in the three-dimensional model; and outputting deficiency information if it is determined that there is the deficiency of the three-dimensional point in the three-dimensional model.Type: ApplicationFiled: October 16, 2020Publication date: February 4, 2021Inventors: Satoshi YOSHIKAWA, Toshiyasu SUGIO, Toru MATSUNOBU, Tatsuya KOYAMA, Masaki FUKUDA, Shunsuke YASUGI
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Publication number: 20210027496Abstract: A calibration apparatus calibrates parameters of imaging apparatuses which are disposed at different positions and image a common three-dimensional space. The calibration apparatus includes: an obtaining circuit which obtains videos captured by the imaging apparatuses and each including frames; an extraction circuit which extracts feature points from the frames included in the videos, the feature points including first feature points extracted from first frames included in the videos and second feature points extracted from areas containing an image of a moving object in second frames included in the videos and different from the first frames; a matching circuit which performs matching using the feature points, the matching including matching between the first feature points and matching between the second feature points; and a calibration circuit which calculates parameters of the imaging apparatuses based on first matching results obtained through the matching by the matching circuit.Type: ApplicationFiled: October 14, 2020Publication date: January 28, 2021Inventors: Tatsuya KOYAMA, Masaki FUKUDA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA
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Publication number: 20210027529Abstract: A three-dimensional model processing method includes: generating, from first images shot by respective cameras at a first time, a first three-dimensional model including: first three-dimensional points indicating a subject at the first time; and first camera parameters indicating positions and orientations of the cameras; generating, from second images shot by the respective cameras at a second time, a second three-dimensional model including: second three-dimensional points indicating the subject at the second time; and second camera parameters indicating positions and orientations of the cameras; detecting a stationary camera among the cameras, whose position and orientation has not changed between the first and second times, or stationary three-dimensional points among the three-dimensional points, whose positions have not changed between the first and second times; and matching world coordinate systems of the first and second three-dimensional models, based on the first camera parameters of the stationaryType: ApplicationFiled: October 9, 2020Publication date: January 28, 2021Inventors: Toru MATSUNOBU, Toshiyasu SUGIO, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Masaki FUKUDA
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Publication number: 20210029345Abstract: A method of generating a three-dimensional model includes: calculating camera parameters of n cameras based on m first images, the m first images being captured from m different viewpoints by the n cameras, n being an integer greater than one, m being an integer greater than n; and generating the three-dimensional model based on n second images and the camera parameters, the n second images being captured from n different viewpoints by the n cameras, respectively.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Inventors: Toru MATSUNOBU, Toshiyasu SUGIO, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Masaki FUKUDA
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Publication number: 20200195997Abstract: An image display method includes receiving an integrated image in which low-resolution images of a scene from different viewpoints are arranged, displaying the integrated image such that a low-resolution image among the low-resolution images is displayed in a first size, receiving a high-resolution image having a same viewpoint as the low-resolution image, the high-resolution image having a higher resolution than the low-resolution image, displaying the high-resolution image in a second size larger than the first size, and displaying the low-resolution image in a third size larger than the first size after the integrated image is displayed and before the high-resolution image is displayed in the second size.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Inventors: Satoshi YOSHIKAWA, Toshiyasu SUGIO, Toru MATSUNOBU, Tatsuya KOYAMA, Masaki FUKUDA
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Patent number: 10399249Abstract: The wire saw device includes at least one wire, which is provided tightly to be capable of travelling in a direction crossing a workpiece to be cut, a workpiece holder, which is configured to hold the workpiece and to move the workpiece relative to the wire, slurry suppliers, which are configured to supply slurry to cut the workpiece from an upstream side in a travelling direction of the wire, and slurry collectors, which are configured to collect the slurry scattered due to contact with the workpiece. The slurry collector is configured to be movable in conjunction with the workpiece in the state where the slurry collector is disposed adjacent to the workpiece and also configured to be retractable with respect to the workpiece to be prevented from contacting the wire.Type: GrantFiled: May 11, 2016Date of Patent: September 3, 2019Assignee: SUMCO CORPORATIONInventors: Masaki Fukuda, Kazutaka Mizokami, Shinji Oota
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Patent number: 10366830Abstract: A surface mount electronic component includes an element including a dielectric layer that includes a first main surface and a second main surface, a first external electrode disposed on the first main surface, a second external electrode disposed on the second main surface, a first metal terminal connected to the first external electrode, a second metal terminal connected to the second external electrode, and an exterior material covering at least a portion of the element, the first and second external electrodes, and the first and second metal terminals. Upper and lower surfaces of the exterior material are flat or substantially flat.Type: GrantFiled: February 26, 2018Date of Patent: July 30, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masaki Fukuda, Yuji Fukada, Jinya Furui, Takashi Inoue, Takashi Yamamoto
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Patent number: 10332679Abstract: A surface mount electronic component includes an element including a dielectric layer that includes a first main surface and a second main surface, a first external electrode disposed on the first main surface, a second external electrode disposed on the second main surface, a first metal terminal connected to the first external electrode by solder, a second metal terminal connected to the second external electrode by the solder, and an exterior material covering at least a portion of the element, the first and second external electrodes, and the first and second metal terminals. The solder satisfies a relational expression: element diameter D (mm)×about 0.003 mm?solder cross-sectional area S (mm2)?element diameter D (mm)×about 0.02 mm.Type: GrantFiled: February 26, 2018Date of Patent: June 25, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takashi Yamamoto, Jinya Furui, Takashi Inoue, Yuji Fukada, Masaki Fukuda
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Publication number: 20180247766Abstract: A surface mount electronic component includes an element including a dielectric layer that includes a first main surface and a second main surface, a first external electrode disposed on the first main surface, a second external electrode disposed on the second main surface, a first metal terminal connected to the first external electrode, a second metal terminal connected to the second external electrode, and an exterior material covering at least a portion of the element, the first and second external electrodes, and the first and second metal terminals. Upper and lower surfaces of the exterior material are flat or substantially flat.Type: ApplicationFiled: February 26, 2018Publication date: August 30, 2018Inventors: Masaki FUKUDA, Yuji FUKADA, Jinya FURUI, Takashi INOUE, Takashi YAMAMOTO
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Publication number: 20180247765Abstract: A surface mount electronic component includes an element including a dielectric layer that includes a first main surface and a second main surface, a first external electrode disposed on the first main surface, a second external electrode disposed on the second main surface, a first metal terminal connected to the first external electrode by solder, a second metal terminal connected to the second external electrode by the solder, and an exterior material covering at least a portion of the element, the first and second external electrodes, and the first and second metal terminals. The solder satisfies a relational expression: element diameter D (mm)×about 0.003 mm?solder cross-sectional area S (mm2)?element diameter D (mm)×about 0.02 mm.Type: ApplicationFiled: February 26, 2018Publication date: August 30, 2018Inventors: Takashi YAMAMOTO, Jinya FURUI, Takashi INOUE, Yuji FUKADA, Masaki FUKUDA
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Publication number: 20180178409Abstract: The wire saw device includes at least one wire, which is provided tightly to be capable of travelling in a direction crossing a workpiece to be cut, a workpiece holder, which is configured to hold the workpiece and to move the workpiece relative to the wire, slurry suppliers, which are configured to supply slurry to cut the workpiece from an upstream side in a travelling direction of the wire, and slurry collectors, which are configured to collect the slurry scattered due to contact with the workpiece. The slurry collector is configured to be movable in conjunction with the workpiece in the state where the slurry collector is disposed adjacent to the workpiece and also configured to be retractable with respect to the workpiece to be prevented from contacting the wire.Type: ApplicationFiled: May 11, 2016Publication date: June 28, 2018Applicant: SUMCO CORPORATIONInventors: Masaki FUKUDA, Kazutaka MIZOKAMI, Shinji OOTA
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Patent number: 9352719Abstract: An airbag device including an inflator, an airbag and a silicone rubber sheet. The silicone rubber sheet is used for a flow passage to feed gas from an inflator to an airbag and is produced by stacking 0.5 mm or more of silicone composition comprising: 100 parts by weight of organopolysiloxane which is represented by the following average composition formula R1SiO(4-n)/2, where in the formula, R1 represents a substituted or unsubstituted monovalent hydrocarbon group and n represents a positive number of 1.95 to 2.05, and which exhibits an average degree of polymerization of 1,000 or more; 20 to 80 parts by weight of reinforcing silica powder having a specific surface area of 50 m2/g or more; and a curing agent on at least an inner surface of a fiber fabric constituting the flow passage and performing heat curing.Type: GrantFiled: April 29, 2013Date of Patent: May 31, 2016Assignees: TAKATA CORPORATION, SHIN-ETSU CHEMICAL CO., LTD.Inventors: Kenji Nakamura, Shuichiro Miyata, Masakatsu Hotta, Tsutomu Yoneyama, Masaki Fukuda
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Publication number: 20150123387Abstract: An airbag device including an inflator, an airbag and a silicone rubber sheet. The silicone rubber sheet is used for a flow passage to feed gas from an inflator to an airbag and is produced by stacking 0.5 mm or more of silicone composition comprising: 100 parts by weight of organopolysiloxane which is represented by the following average composition formula R1SiO(4-n)/2, where in the formula, R1 represents a substituted or unsubstituted monovalent hydrocarbon group and n represents a positive number of 1.95 to 2.05, and which exhibits an average degree of polymerization of 1,000 or more; 20 to 80 parts by weight of reinforcing silica powder having a specific surface area of 50 m2/g or more; and a curing agent on at least an inner surface of a fiber fabric constituting the flow passage and performing heat curing.Type: ApplicationFiled: April 29, 2013Publication date: May 7, 2015Applicants: SHIN-ETSU CHEMICAL CO., LTD, TAKATA CORPORATIONInventors: Kenji Nakamura, Shuichiro Miyata, Masakatsu Hotta, Tsutomu Yoneyama, Masaki Fukuda
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Patent number: 8534275Abstract: An object of the present invention is to provide at a relatively cheap price a wire saw device capable of effectively preventing slurry from splashing onto the top surface of a work and effectively suppressing increase in nanotopography and Warp. The wire saw device 1 of the present invention has: a group of multiple wires 4 formed by suspending a wire 3 over a set of rollers 2, 2, 2 separate from each other so as to be aligned in a cutting side thereof in parallel to one another in the roller shaft direction X and capable of running in a direction orthogonal to the roller shaft direction; a work holding portion 5 for holding a work W and moving the work W in a direction of pushing the work W with respect to the group of multiple wires 4; and a nozzle 6 for supplying slurry to the group of multiple wires 4 from at least a position on the upperstream side in the running direction of the multiple wires 4, with respect to a path along which the work W is pushed into the wire 3.Type: GrantFiled: August 13, 2010Date of Patent: September 17, 2013Assignee: Sumco CorporationInventors: Masaki Fukuda, Hiroyasu Futamura, Ryouji Shindou