Patents by Inventor TAKANORI FUKAZAWA
TAKANORI FUKAZAWA 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: 20240127948Abstract: The present technology relates to a patient monitoring system capable of appropriately monitoring a condition of a patient. A patient monitoring system of the present technology includes: an estimation unit that inputs vital information indicating a vital sign of a patient and video analysis information obtained by analyzing a video showing the patient to a first learning model to estimate a state of the patient; and a monitoring unit that monitors a state of the patient on the basis of an estimation result by the estimation unit. The present technology can be applied to, for example, a monitoring system provided in an ICU.Type: ApplicationFiled: January 28, 2022Publication date: April 18, 2024Applicant: Sony Group CorporationInventors: Hiroyasu BABA, Takanori FUKAZAWA, Minori TAKAHASHI
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Publication number: 20230047294Abstract: To generate a medical image with high visibility in fluorescence observation. A medical image generation apparatus (100) according to the present application includes an acquisition unit (131), a calculation unit (132), and a generation unit (134). An acquisition unit (131) acquires a first medical image captured with fluorescence of a predetermined wavelength and a second medical image captured with fluorescence of a wavelength different from the predetermined wavelength. A calculation unit (132) calculates a degree of scattering, indicating a degree of blurring of fluorescence of a living body, included in the first medical image and the second medical image acquired by the acquisition unit (131). A generation unit (134) generates an output image on the basis of at least one of the degrees of scattering calculated by the calculation unit (132).Type: ApplicationFiled: December 23, 2020Publication date: February 16, 2023Applicant: Sony Group CorporationInventors: Kentaro FUKAZAWA, Takanori FUKAZAWA, Takashi YAMAGUCHI, Seiji WADA
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Publication number: 20220386854Abstract: To provide an image processing apparatus, an image processing method, and an endoscope system by which deep tissues and superficial blood vessels enhanced with improved visibility can be displayed to a surgeon in real time. An image processing apparatus according to an embodiment of the present technology includes an enhancement processing unit that performs enhancement processing on low-frequency components that are a range lower than a predetermined spatial frequency in an input image, performs enhancement processing on high-frequency components that are a range higher than the low-frequency components in the input image, and outputs the input image having the low-frequency components and the high-frequency components each subjected to enhancement processing.Type: ApplicationFiled: October 5, 2020Publication date: December 8, 2022Applicant: Sony Group CorporationInventors: Takanori FUKAZAWA, Minori TAKAHASHI
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Patent number: 11474334Abstract: [Object] An observation device according to an embodiment of the present technology includes an emission unit, an imaging unit, a polarization control unit, and a calculation unit. The emission unit sequentially emits a plurality of polarization light beams of mutually different polarization directions to a biological tissue. The imaging unit includes a plurality of pixels capable of outputting pixel signals respectively. The polarization control unit considers a predetermined number of pixels of the plurality of pixels as one group and causes mutually different polarization components of reflection light beams reflected by the biological tissue to be respectively incident upon respective ones of the predetermined number of pixels included in the one group. The calculation unit calculates biological tissue information regarding the biological tissue on the basis of the pixel signals output from the respective ones of the predetermined number of pixels.Type: GrantFiled: January 16, 2019Date of Patent: October 18, 2022Assignee: SONY CORPORATIONInventors: Takanori Fukazawa, Goro Fujita, Koichiro Kishima
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Publication number: 20220022728Abstract: A medical system (1) includes: an irradiation means (2) that irradiates a subject with coherent light; an imaging means (3) that captures an image of reflected light of the coherent light from the subject; an acquiring means (411) that acquires a speckle image from the imaging means (3); a calculating means (412) that performs, for each pixel of the speckle image, on the basis of luminance values of that pixel and surrounding pixels, statistical processing and calculation of a predetermined index value; a determining means (413) that determines, for the each pixel, whether or not a mean of the luminance values used in the calculation of the index value is in a predetermined range; a generating means (414) that generates a predetermined image on the basis of the index values; and a display control means (415) that identifiably displays, in displaying the predetermined image on a display means, a portion of pixels each having a mean of the luminance values, the mean being outside the predetermined range.Type: ApplicationFiled: November 5, 2019Publication date: January 27, 2022Inventors: TETSURO KUWAYAMA, KAZUKI IKESHITA, TAKANORI FUKAZAWA
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Publication number: 20210321887Abstract: A medical system (1) includes first light irradiation means (11) for irradiating an image capturing target with coherent light, image capturing means (12) for capturing a speckle image obtained from scattered light caused by the image capturing target irradiated with the coherent light, speckle contrast calculation means (1312) for calculating a speckle contrast value for each pixel on the basis of the speckle image, motion detection means (1311) for detecting motion of the image capturing target, speckle image generation means (1313) for generating a speckle contrast image on the basis of the speckle contrast value and the motion of the image capturing target detected by the motion detection means, and display means (14) for displaying the speckle contrast image.Type: ApplicationFiled: August 7, 2019Publication date: October 21, 2021Inventors: TAKANORI FUKAZAWA, KAZUKI IKESHITA, DAISUKE KIKUCHI, TETSURO KUWAYAMA, KENJI TAKAHASHI, MINORI TAKAHASHI, ISAMU NAKAO, KENTARO FUKAZAWA, GORO FUJITA, FUMISADA MAEDA, TAKESHI MATSUI, TAKASHI YAMAGUCHI, HIROSHI YOSHIDA
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Publication number: 20210271061Abstract: [Object] An observation device according to an embodiment of the present technology includes an emission unit, an imaging unit, a polarization control unit, and a calculation unit. The emission unit sequentially emits a plurality of polarization light beams of mutually different polarization directions to a biological tissue. The imaging unit includes a plurality of pixels capable of outputting pixel signals respectively. The polarization control unit considers a predetermined number of pixels of the plurality of pixels as one group and causes mutually different polarization components of reflection light beams reflected by the biological tissue to be respectively incident upon respective ones of the predetermined number of pixels included in the one group. The calculation unit calculates biological tissue information regarding the biological tissue on the basis of the pixel signals output from the respective ones of the predetermined number of pixels.Type: ApplicationFiled: January 16, 2019Publication date: September 2, 2021Inventors: TAKANORI FUKAZAWA, GORO FUJITA, KOICHIRO KISHIMA
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Publication number: 20210228061Abstract: A medical observation system (3) including: an imaging portion (303) configured to capture an image of an affected area; a detecting portion (311) configured to extract; a movement of a treatment tool held in a vicinity of the affected area based on images of the affected area having been sequentially captured by the imaging portion and to detect a movement of the affected area based on a result of the extraction; and a control portion (301) configured to control processing related to observation of the affected area in accordance with a detection result of the movement of the affected area.Type: ApplicationFiled: July 2, 2019Publication date: July 29, 2021Applicant: Sony CorporationInventors: Takeshi MATSUI, Tetsuro KUWAYAMA, Goro FUJITA, Hiroshi YOSHIDA, Takanori FUKAZAWA, Fumisada MAEDA
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Publication number: 20210177284Abstract: A medical observation system (2, 3) includes: a light source (223) configured to illuminate an affected body part; a branching optical system (213) configured to separate light from the affected body part into a plurality of polarized lights having different polarization directions; a detection unit (313) configured to individually detect the plurality of polarized lights; an arithmetic operation unit (305) configured to individually calculate speckle contrasts on the basis of detection results of the plurality of polarized lights; and a processing unit (303) configured to execute processing with respect to observation of the affected body part on the basis of at least any of calculation results of the speckle contrasts corresponding to the plurality of polarized lights.Type: ApplicationFiled: June 21, 2019Publication date: June 17, 2021Applicant: Sony CorporationInventors: Tetsuro KUWAYAMA, Takanori FUKAZAWA, Takeshi MATSUI
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Publication number: 20210169305Abstract: [Problem] It is desired to provide a technology capable of improving visibility of a fluorescence image. [Solution] Provided is an image processing apparatus that includes a feature detecting unit configured to detect a feature of first image data that is obtained by capturing an image of a blood vessel by ICG fluorescence imaging, and an enhancement processing unit configured to control a degree of an enhancement process performed on the first image data, on the basis of the feature.Type: ApplicationFiled: August 27, 2018Publication date: June 10, 2021Inventors: KENTARO FUKAZAWA, TAKANORI FUKAZAWA, DAISUKE KIKUCHI, MINORI TAKAHASHI, KAZUKI IKESHITA
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Publication number: 20200196930Abstract: An observation device according to an embodiment of the present technology includes a first polarization section, a second polarization section, a rotation control section, and a calculation section. The first polarization section irradiates a biological tissue with polarization light of a first polarization direction. The second polarization section extracts a polarization component of a second polarization direction that intersects with the first polarization direction, from beams of reflection light that are the polarization light reflected by the biological tissue. The rotation control section rotates each of the first polarization direction and the second polarization direction such that an intersection angle between the first polarization direction and the second polarization direction is maintained.Type: ApplicationFiled: August 16, 2018Publication date: June 25, 2020Inventors: GORO FUJITA, TAKANORI FUKAZAWA
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Publication number: 20200154988Abstract: An imaging device according to an embodiment of the present technology includes a first polarization section, a second polarization section, a rotation control section, and a generation section. The first polarization section irradiates a body tissue with polarization light of a first polarization direction. The second polarization section extracts a polarization component of a second polarization direction that intersects with the first polarization direction, from beams of reflection light that are the polarization light reflected by the body tissue. The rotation control section that rotates each of the first polarization direction and the second polarization direction while maintaining an intersection angle between the first polarization direction and the second polarization direction.Type: ApplicationFiled: April 18, 2018Publication date: May 21, 2020Inventors: TAKANORI FUKAZAWA, GORO FUJITA, KOICHIRO KISHIMA, KAZUKI IKESHITA, SHUN SASAKI