Patents by Inventor Atsushi KAWANAGO
Atsushi KAWANAGO 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: 20230308757Abstract: An imaging support device that supports imaging performed by an imaging apparatus includes an acquisition portion that acquires an in-image shift amount between a predetermined position in a captured image obtained by capturing an imaging region by an imaging element and a position of a target subject image showing a target subject, and a focal length of the imaging apparatus, a derivation portion that derives a movement amount required for moving the position of the target subject image to a specific position by a position adjustment portion which adjusts the position of the target subject image in the captured image, based on the in-image shift amount acquired by the acquisition portion, the focal length acquired by the acquisition portion, and information related to a pixel interval of pixels in the imaging element, and an output portion that outputs the movement amount derived by the derivation portion.Type: ApplicationFiled: June 1, 2023Publication date: September 28, 2023Inventors: Shinichiro FUJIKI, Tetsuya FUJIKAWA, Junichi TANAKA, Atsushi KAWANAGO
-
Publication number: 20230276128Abstract: An imaging support device includes a detection portion that, by operating a revolution mechanism that causes an imaging apparatus including a variable magnification mechanism to revolve, detects a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and a control portion that perform a registration control of setting the subject image position detected by the detection portion to a specific position in the captured image for a captured image obtained by imaging performed by the imaging apparatus in accordance with changing of magnification to a telephoto side by the variable magnification mechanism.Type: ApplicationFiled: May 1, 2023Publication date: August 31, 2023Inventors: Atsushi KAWANAGO, Junichi TANAKA, Shinichiro FUJIKI, Tetsuya FUJIKAWA
-
Publication number: 20230258851Abstract: There are provided an optical member and an imaging apparatus. An optical member includes a plurality of aperture regions which transmit a ray of an optical system and include a first aperture region and a second aperture region and of which the first aperture region and the second aperture region are adjacent to each other, a plurality of optical filters disposed in the first aperture region and the second aperture region transmit light having at least a part of wavelength ranges different from each other, a plurality of polarizing filters disposed in the first aperture region and the second aperture region have polarization directions different from each other, and a ray incidence-reduction part that reduces incidence of a ray, which is incident on the first aperture region, on at least one of the optical filter or the polarizing filter disposed in the second aperture region.Type: ApplicationFiled: March 23, 2023Publication date: August 17, 2023Applicant: FUJIFILM CorporationInventors: Yuya HIRAKAWA, Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO
-
Patent number: 11726389Abstract: Provided are a lens device, an imaging apparatus, an optical member, an imaging method, and an imaging program that are used to acquire multispectral images having a good image quality. According to one aspect, a lens device includes: an imaging optical system that includes a lens forming an optical image of a subject; and an optical member that is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system, and includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions.Type: GrantFiled: July 12, 2022Date of Patent: August 15, 2023Assignee: FUJIFILM CorporationInventors: Atsushi Kawanago, Kazuyoshi Okada, Yasunobu Kishine, Yuya Hirakawa
-
Patent number: 11711612Abstract: An imaging support device that supports imaging performed by an imaging apparatus includes an acquisition portion that acquires an in-image shift amount between a predetermined position in a captured image obtained by capturing an imaging region by an imaging element and a position of a target subject image showing a target subject, and a focal length of the imaging apparatus, a derivation portion that derives a movement amount required for moving the position of the target subject image to a specific position by a position adjustment portion which adjusts the position of the target subject image in the captured image, based on the in-image shift amount acquired by the acquisition portion, the focal length acquired by the acquisition portion, and information related to a pixel interval of pixels in the imaging element, and an output portion that outputs the movement amount derived by the derivation portion.Type: GrantFiled: April 26, 2022Date of Patent: July 25, 2023Assignee: FUJIFILM CORPORATIONInventors: Shinichiro Fujiki, Tetsuya Fujikawa, Junichi Tanaka, Atsushi Kawanago
-
Patent number: 11706506Abstract: Provided is an imaging apparatus that captures a multispectral image having a good image quality. An imaging apparatus (1) includes an imaging optical system (10) that includes a pupil region which is split into a plurality of regions including a first pupil region and a second pupil region different from the first pupil region, and a polarization filter which polarizes light beams passing through the first pupil region and the second pupil region in directions different from each other, an imaging element (100) that includes a first pixel which receives the light beam passing through the first pupil region and a second pixel which receives the light beam passing through the second pupil region, and a signal processing unit (200) that processes signals output from the imaging element (100), and outputs at least first image data consisting of an output signal of the first pixel and second image data consisting of an output signal of the second pixel.Type: GrantFiled: November 16, 2021Date of Patent: July 18, 2023Assignee: FUJIFILM CorporationInventors: Kazuyoshi Okada, Yasunobu Kishine, Atsushi Kawanago
-
Publication number: 20230204950Abstract: An imaging device, an adjustment method, and an adjustment program can acquire multispectral images having good image quality. The imaging device is disposed on an image side of another optical system, and includes a multispectral camera that acquires images in a plurality of wavelength ranges, a field lens that relays the other optical system to the multispectral camera, and an adjustment mechanism that adjusts a conjugate relationship between an emission pupil position of the other optical system and an incident pupil position of the multispectral camera. The multispectral camera includes: a wavelength polarizing filter unit that includes an optical member disposed at a pupil position or near the pupil position and including a plurality of aperture regions having different centroids, a plurality of optical filters arranged in the aperture regions, and a plurality of polarizing filters arranged in the aperture regions; an imaging element; and a processor.Type: ApplicationFiled: January 12, 2023Publication date: June 29, 2023Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO
-
Patent number: 11678055Abstract: An imaging support device includes a detection portion that, by operating a revolution mechanism that causes an imaging apparatus including a variable magnification mechanism to revolve, detects a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and a control portion that perform a registration control of setting the subject image position detected by the detection portion to a specific position in the captured image for a captured image obtained by imaging performed by the imaging apparatus in accordance with changing of magnification to a telephoto side by the variable magnification mechanism.Type: GrantFiled: April 13, 2022Date of Patent: June 13, 2023Assignee: FUJIFILM CORPORATIONInventors: Atsushi Kawanago, Junichi Tanaka, Shinichiro Fujiki, Tetsuya Fujikawa
-
Publication number: 20230103720Abstract: There are provided a lens device, an imaging apparatus, and an imaging method that suppress the occurrence of overexposure by dimming or blocking totally reflected light. The lens device (100) includes: an optical system (100A); a wavelength polarizing filter unit (130) that is disposed at a pupil position of the optical system (100A) or near the pupil position and includes a plurality of aperture regions, a plurality of optical filters that are disposed in the plurality of aperture regions and include two or more optical filters transmitting lights having a part of wavelength ranges different from each other, and a plurality of first polarizing filters that are disposed in the plurality of aperture regions and are at least two first polarizing filters having polarization directions different from each other; and a first circularly polarizing optical element (101) that is provided between a subject and the wavelength polarizing filter unit.Type: ApplicationFiled: December 8, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Atsushi Kawanago, Kazuyoshi Okada
-
Publication number: 20230106512Abstract: A lens device and an imaging apparatus that can emit illumination light coaxial with a lens optical system are proposed herein. A lens device includes an optical system that includes a first lens and a second lens forming an optical image of a subject; a first optical member that includes a frame that includes a plurality of aperture regions, a plurality of optical filters that include two or more optical filters transmitting lights having at least some wavelength ranges different from each other, and a plurality of polarizing filters that have different polarization directions; and a second optical member that is provided outside the optical system and closer to a subject side than the first optical member and emits illumination light, which is incident from the outside of the optical system, to the subject side via the optical system.Type: ApplicationFiled: December 8, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Atsushi KAWANAGO, Yasunobu Kishine, Kazuyoshi Okada
-
Publication number: 20220385863Abstract: Provided are an imaging apparatus and a method capable of capturing a high-quality multi spectral image. The imaging apparatus includes: an optical system that has three or more aperture regions at a pupil position or near the pupil position, each of the aperture regions being provided with a different combination of a polarizing filter and a bandpass filter such that the aperture region transmits light having a combination of a different polarization angle and a different wavelength range; an image sensor in which three or more types of pixels that receive light having different polarization angles are arranged two-dimensionally; and a processor that performs interference removal processing on a signal output from the image sensor and generates an image signal for each of the aperture regions.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Atsushi KAWANAGO, Kazuyoshi OKADA, Yuya HIRAKAWA
-
Publication number: 20220365391Abstract: Provided are an image processing device, an imaging element, an image processing method, and an image processing program that satisfactorily generate a plurality of polarized image data from polarized image data acquired from an imaging element.Type: ApplicationFiled: July 12, 2022Publication date: November 17, 2022Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO, Yuya HIRAKAWA
-
Publication number: 20220350225Abstract: Provided are a lens device, an imaging apparatus, an optical member, an imaging method, and an imaging program that are used to acquire multispectral images having a good image quality. According to one aspect, a lens device includes: an imaging optical system that includes a lens forming an optical image of a subject; and an optical member that is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system, and includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions.Type: ApplicationFiled: July 12, 2022Publication date: November 3, 2022Applicant: FUJIFILM CorporationInventors: Atsushi KAWANAGO, Kazuyoshi OKADA, Yasunobu KISHINE, Yuya HIRAKAWA
-
Publication number: 20220294967Abstract: A processor of an imaging support device is configured to acquire data related to a shake correction amount of a shake correction mechanism and a focal length of an imaging apparatus in a state where the shake correction mechanism of the imaging apparatus is operating, and adjust an irradiation range of light from an irradiation apparatus for a target subject based on the acquired data related to the shake correction amount and the acquired data related to the focal length.Type: ApplicationFiled: May 24, 2022Publication date: September 15, 2022Applicant: FUJIFILM CorporationInventors: Tetsuya FUJIKAWA, Shinichiro FUJIKI, Junichi TANAKA, Atsushi KAWANAGO
-
Publication number: 20220286613Abstract: An imaging support device includes a processor, and a memory that is connected to or incorporated in the processor, in which the processor is configured to derive information related to inclination of an imaging apparatus with respect to a revolution mechanism that enables the imaging apparatus to revolve about each of a first axis and a second axis intersecting with the first axis as a central axis, based on a time series change in revolution angle of the imaging apparatus, the inclination of the imaging apparatus being inclination in a rotation direction about a third axis intersecting with the first axis and the second axis as the central axis, and adjust a position of a captured image obtained by imaging performed by the imaging apparatus based on the information related to the inclination.Type: ApplicationFiled: May 25, 2022Publication date: September 8, 2022Inventors: Shinichiro FUJIKI, Tetsuya FUJIKAWA, Junichi TANAKA, Atsushi KAWANAGO
-
Publication number: 20220256083Abstract: An imaging support device that supports imaging performed by an imaging apparatus includes an acquisition portion that acquires an in-image shift amount between a predetermined position in a captured image obtained by capturing an imaging region by an imaging element and a position of a target subject image showing a target subject, and a focal length of the imaging apparatus, a derivation portion that derives a movement amount required for moving the position of the target subject image to a specific position by a position adjustment portion which adjusts the position of the target subject image in the captured image, based on the in-image shift amount acquired by the acquisition portion, the focal length acquired by the acquisition portion, and information related to a pixel interval of pixels in the imaging element, and an output portion that outputs the movement amount derived by the derivation portion.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Inventors: Shinichiro FUJIKI, Tetsuya FUJIKAWA, Junichi TANAKA, Atsushi KAWANAGO
-
Publication number: 20220256091Abstract: Provided is an imaging support device including an acquisition portion that acquires reversal information indicating that a revolution direction of an imaging apparatus that is caused to revolve about one axis out of a first axis and a second axis intersecting with the first axis as a central axis by a revolution mechanism enabling the imaging apparatus to revolve about each of the first axis and the second axis as the central axis is reversed, and a control portion that, in a case where the reversal information is acquired by the acquisition portion, performs a control of operating an adjustment portion capable of adjusting a position of a captured image obtained by imaging performed by the imaging apparatus.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Inventors: Shinichiro FUJIKI, Tetsuya FUJIKAWA, Junichi TANAKA, Atsushi KAWANAGO
-
Publication number: 20220256086Abstract: An imaging support method includes acquiring a focal length of an imaging apparatus, detecting a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and performing registration control for setting the detected subject image position to a specific position in the captured image by increasing a ratio of application of an image region movement component compared to a lens moving mechanism in a case where the acquired focal length is greater than or equal to a threshold value, and increasing a ratio of application of the lens moving mechanism compared to the image region movement component in a case where the focal length is less than the threshold value.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Inventors: Tetsuya FUJIKAWA, Shinichiro FUJIKI, Junichi TANAKA, Atsushi KAWANAGO
-
Patent number: D975165Type: GrantFiled: March 19, 2019Date of Patent: January 10, 2023Assignee: FUJIFILM CorporationInventors: Daigo Aiba, Atsushi Kawanago
-
Patent number: D975167Type: GrantFiled: July 30, 2020Date of Patent: January 10, 2023Assignee: FUJIFILM CorporationInventors: Atsushi Kawanago, Kazuyoshi Okada, Yasunobu Kishine, Yuya Hirakawa