Patents by Inventor Kohei OKAHARA
Kohei OKAHARA 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: 20230343103Abstract: A video monitoring device includes processing circuitry to acquire position information indicating a position of a mobile object; to command image capturing directions of a plurality of movable cameras provided at predetermined positions; to evaluate a viewability level of the mobile object in a video captured by each of the plurality of movable cameras based on the position of the mobile object and the positions of the plurality of movable cameras; to select a movable camera for use for image capturing of the mobile object from the plurality of movable cameras based on the viewability level; and to display the video of the mobile object captured by the selected movable camera, wherein the viewability level is evaluated based on an angular speed of swiveling of each of the plurality of movable cameras necessary for each of the plurality of movable cameras to keep sight of the mobile object.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: Mitsubishi Electric CorporationInventors: Jun MINAGAWA, Kohei OKAHARA, Kento YAMAZAKI
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Publication number: 20230325971Abstract: An image synthesis device includes processing circuitry to acquire a plurality of images captured from different viewpoints and to select images adjoining each other from the plurality of images; to calculate an overlap region as a region where the adjoining images overlap with each other; to determine a boundary line between images in the overlap region; and to execute blending of images in the overlap region. When at least one of the adjoining images includes a priority region, the processing circuitry determines the boundary line that does not overlap with a blend region in a vicinity of the priority region as a region determined depending on a blending method used for blending of an image of the priority region, and the processing circuitry executes the blending of the images in the overlap region based on the boundary line.Type: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicants: Mitsubishi Electric Corporation, THE RITSUMEIKAN TRUSTInventors: Kento YAMAZAKI, Tsukasa FUKASAWA, Kohei OKAHARA, Fumihisa SHIBATA
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Publication number: 20230196548Abstract: An appearance inspection apparatus includes an imaging unit, a reconstructed image generation unit, and an image comparison unit. The imaging unit images an object. The reconstructed image generation unit generates a reconstructed image by using a model, the reconstructed image being an image to be obtained by reconstruction of an input image, image data on the object imaged by the imaging unit being used as the input image, the model being used for attempting to reproduce the image data. The image comparison unit generates a difference image corresponding to a difference between the input image and the reconstructed image.Type: ApplicationFiled: April 28, 2020Publication date: June 22, 2023Applicant: Mitsubishi Electric CorporationInventors: Yuichi IKEDA, Yotaro NAKANE, Akira MINEZAWA, Kohei OKAHARA, Yukihiro TOKU
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Publication number: 20230005132Abstract: An image inspection device includes: an image acquisition unit to acquire an inspection target image; a geometric transformation processing unit to estimate a geometric transformation parameter for aligning a position of an inspection target in the inspection target image with a first reference image in which a position of the inspection target is known, and geometrically transform the inspection target image using the estimated geometric transformation parameter, thereby generating an aligned image in which the position of the inspection target is aligned with the first reference image; an image restoration processing unit to restore the aligned image, using an image generation network to receive an input image generated using the inspection target image and infer the aligned image as a correct image; and an abnormality determination unit to determine an abnormality of the inspection target using a difference image between the aligned image and the restored aligned image.Type: ApplicationFiled: August 24, 2022Publication date: January 5, 2023Applicant: Mitsubishi Electric CorporationInventors: Kohei OKAHARA, Akira MINEZAWA
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Patent number: 11526966Abstract: An image processing device includes a processor; and a memory to store the program which performs processing including: measuring a first texture amount indicating luminance variation in image regions, based on the image regions obtained by dividing the captured image and previously determining an image processing target region based on the first texture amount; judging whether the image processing on a current captured image is necessary based on luminance of the image processing target region in the current captured image; calculating a second texture amount indicating luminance variation in the image processing target region, and judging whether the image processing should be performed on the image processing target region or not based on the second texture amount; and performing the image processing on the image processing target region on which the judging based on the second texture amount is that the image processing should be performed.Type: GrantFiled: September 28, 2020Date of Patent: December 13, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Ichiro Furuki, Kohei Okahara, Tsukasa Fukasawa, Nobuo Matsumura
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Patent number: 11494934Abstract: An image processing device includes: a reception unit that receives at least one first image provided from at least one first camera capturing an image of a region in which an object exists and a plurality of second images provided from a plurality of second cameras capturing images of a region including a dead region hidden by the object and invisible from a position of the first camera; and an image processing unit that generates a complementary image, as an image of a mask region in the at least one first image corresponding to the object, from the plurality of second images and generates a synthetic display image by combining the at least one first image and the complementary image.Type: GrantFiled: March 29, 2018Date of Patent: November 8, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kohei Okahara, Ichiro Furuki, Tsukasa Fukasawa, Kento Yamazaki
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Patent number: 11403742Abstract: An image processing device includes: a solid object extraction unit that divides each of a plurality of captured images into a foreground image part occupied by an existent object and a background image part; a background complementing unit that complements each background image part; a background image synthesis unit that generates a background bird's eye synthetic image by performing bird's eye transformation and combining together the background image parts after undergoing the bird's eye transformation; a solid object recognition unit that acquires posture information on the existent object; a solid object projection unit that acquires a three-dimensional virtual object by using the posture information; a three-dimensional space superimposition unit that generates a three-dimensional space image by superimposing the three-dimensional, virtual object on the background bird's eye synthetic image; and a display image output unit that outputs a bird's eye synthetic image generated based on the three-dimensionType: GrantFiled: September 22, 2020Date of Patent: August 2, 2022Assignee: Mitsubishi Electric CorporationInventors: Tsukasa Fukasawa, Kohei Okahara, Ichiro Furuki
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Publication number: 20210366132Abstract: An image processing device includes processing circuitry to record each of the captured images in a storage device while associating the captured image with identification information on the image capturing device that captured the captured image and time information indicating an image capture time; to calculate an estimated movement amount of each of the image capturing devices; and repeatedly to execute a deviation correction process, wherein in regard to each of the image capturing devices, the processing circuitry acquires the captured images in a designated period from the storage device, obtains movement amounts in adjacent image periods based on captured images arranged in chronological order, and obtains the estimated movement amount by calculation using the movement amounts in the adjacent image periods.Type: ApplicationFiled: August 4, 2021Publication date: November 25, 2021Applicant: Mitsubishi Electric CorporationInventors: Jun MINAGAWA, Kohei OKAHARA, Kento YAMAZAKI, Tsukasa FUKASAWA
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Publication number: 20210333384Abstract: A three-dimensional reconstruction device includes processing circuitry, to acquire first three-dimensional information representing a target object from a first sensor generating the first three-dimensional information by detecting the target object that is moving and to acquire second three-dimensional information representing an attention part of the target object from a second sensor generating the second three-dimensional information by detecting the attention part; to acquire first sensor information and second sensor information; to acquire first position posture information indicating a position and posture of the first sensor and to acquire second position posture information indicating a position and posture of the second sensor; and to reconstruct the three-dimensional information representing the attention part from the first three-dimensional information and the second three-dimensional information by using the first sensor information, the second sensor information, the first position posture inType: ApplicationFiled: July 9, 2021Publication date: October 28, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kento YAMAZAKI, Kohei OKAHARA, Jun MINAGAWA, Shinji MIZUNO, Shintaro SAKATA, Takumi SAKAKIBARA
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Publication number: 20210056723Abstract: An image processing device includes: a reception unit that receives at least one first image provided from at least one first camera capturing an image of a region in which an object exists and a plurality of second images provided from a plurality of second cameras capturing images of a region including a dead region hidden by the object and invisible from a position of the first camera; and an image processing unit that generates a complementary image, as an image of a mask region in the at least one first image corresponding to the object, from the plurality of second images and generates a synthetic display image by combining the at least one first image and the complementary image.Type: ApplicationFiled: March 29, 2018Publication date: February 25, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kohei OKAHARA, Ichiro FURUKI, Tsukasa FUKASAWA, Kento YAMAZAKI
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Publication number: 20210012467Abstract: An image processing device includes a processor; and a memory to store the program which performs processing including: measuring a first texture amount indicating luminance variation in image regions, based on the image regions obtained by dividing the captured image and previously determining an image processing target region based on the first texture amount; judging whether the image processing on a current captured image is necessary based on luminance of the image processing target region in the current captured image; calculating a second texture amount indicating luminance variation in the image processing target region, and judging whether the image processing should be performed on the image processing target region or not based on the second texture amount; and performing the image processing on the image processing target region on which the judging based on the second texture amount is that the image processing should be performed.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Ichiro FURUKI, Kohei OKAHARA, Tsukasa FUKASAWA, Nobuo MATSUMURA
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Publication number: 20210004943Abstract: An image processing device includes: a solid object extraction unit that divides each of a plurality of captured images into a foreground image part occupied by an existent object and a background image part; a background complementing unit that complements each background image part; a background image synthesis unit that generates a background bird's eye synthetic image by performing bird's eye transformation and combining together the background image parts after undergoing the bird's eye transformation; a solid object recognition unit that acquires posture information on the existent object; a solid object projection unit that acquires a three-dimensional virtual object by using the posture information; a three-dimensional space superimposition unit that generates a three-dimensional space image by superimposing the three-dimensional, virtual object on the background bird's eye synthetic image; and a display image output unit that outputs a bird's eye synthetic image generated based on the three-dimensionType: ApplicationFiled: September 22, 2020Publication date: January 7, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tsukasa FUKASAWA, Kohei OKAHARA, Ichiro FURUKI
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Patent number: 10417743Abstract: The present invention is provided with a boundary calculation unit (110) to calculate a boundary position (180) being a basis for dividing a common area into a side of the first imaging device (210) and a side of the second imaging device (220), a selection unit (130) to select a bird's-eye view image wherein distortion in an image of a three-dimensional object is less as a selected image (330), out of the first bird's-eye view image (311) and the second bird's-eye view image (321) based on the boundary position (180) and a position of the three-dimensional object, and an image generation unit (140) to generate an area image (340) based on an image other than the common area in the first bird's-eye view image (311), an image other than the common area in the second bird's-eye view image (321), and an image of the common area included in the selected image (330).Type: GrantFiled: November 6, 2015Date of Patent: September 17, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Ichiro Furuki, Tsukasa Fukasawa, Kohei Okahara
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Publication number: 20190007585Abstract: A position specifying unit specifies installation positions of cameras at which a subject region received by a region receiving unit can be captured on the basis of a camera condition received by the condition receiving unit. A virtual video generating unit generates virtual captured videos obtained by capturing a CG space with the cameras in a case where the cameras are installed at the specified installation positions, and performs overhead-conversion on the generated virtual captured videos and combines the virtual captured videos to generate a virtual synthetic video. A display unit displays the generated virtual synthetic video on a display.Type: ApplicationFiled: January 10, 2017Publication date: January 3, 2019Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kohei OKAHARA, Ichiro FURUKI, Tsukasa FUKASAWA, Kento YAMAZAKI
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Publication number: 20180253823Abstract: The present invention is provided with a boundary calculation unit (110) to calculate a boundary position (180) being a basis for dividing a common area into a side of the first imaging device (210) and a side of the second imaging device (220), a selection unit (130) to select a bird's-eye view image wherein distortion in an image of a three-dimensional object is less as a selected image (330), out of the first bird's-eye view image (311) and the second bird's-eye view image (321) based on the boundary position (180) and a position of the three-dimensional object, and an image generation unit (140) to generate an area image (340) based on an image other than the common area in the first bird's-eye view image (311), an image other than the common area in the second bird's-eye view image (321), and an image of the common area included in the selected image (330).Type: ApplicationFiled: November 6, 2015Publication date: September 6, 2018Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Ichiro FURUKI, Tsukasa FUKASAWA, Kohei OKAHARA