Patents by Inventor Tomochika Murakami
Tomochika Murakami 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: 20240161493Abstract: An image processing device includes: a reception circuit receiving image data spread in a height direction and in a horizontal direction; a line memory having a register group for each channel, the resister group being capable of holding data spread in the horizontal direction in units of row along the height direction; a shift data generation circuit generating a plurality of pieces of first intermediate data in which spatial positions including the height direction of the image data are shifted by different shift amounts, and storing them in a plurality of register groups mutually corresponding to a plurality of channels of the line memory; a filtering processing circuit extracting, in the plurality of pieces of first intermediate data, data indicating the maximum value among a plurality of pieces of data having the same spatial position and having different channels; and a pooling processing circuit extracting, in second intermediate data indicating the maximum value among the plurality of pieces of data fType: ApplicationFiled: October 3, 2023Publication date: May 16, 2024Inventor: Tomochika MURAKAMI
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Publication number: 20200050655Abstract: An image processing apparatus includes an obtaining unit obtaining data of an image of an object and data of a plurality of annotations attached to the image, an input unit receiving a designation of a display magnification for enlarging or reducing the image, and a generation unit generating display data with which the annotations are displayed in such a way as to be superimposed on the image enlarged at the designated display magnification, wherein the data of the plurality of annotations includes position information indicating a position in the image at which each annotation is attached and information about the display magnification of the image at the time of attachment of each annotation, and the generation unit generates display data with which display modes of annotations are made different between annotations of which the display magnifications of the image at the time of attachment thereof are different.Type: ApplicationFiled: October 22, 2019Publication date: February 13, 2020Inventors: Takuya Tsujimoto, Tomochika Murakami
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Publication number: 20190304409Abstract: An image processing apparatus includes: an adjusting section configured to detect, when a plurality of observation targets are included in a slide, regions of images of the observation targets from an image of the slide and continuously arrange the regions to thereby generate data of a reconfigured slide image in which arrangement of the observation targets is adjusted; and a display control section configured to display, on a display apparatus, an enlarged image corresponding to a part of a display region of the reconfigured slide image and change the enlarged image displayed on the display apparatus such that the display region moves on the reconfigured slide image according to a movement instruction.Type: ApplicationFiled: June 19, 2019Publication date: October 3, 2019Inventors: Tomohiko Takayama, Tomochika Murakami
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Patent number: 10419698Abstract: An image processing method, includes: an input step in which a computer acquires data of a plurality of input images acquired by imaging performed using a same image sensor; and an optimization process step in which a computer determines an optimal solution of brightness change with respect to each input image by performing iterative calculations using an iterative method to improve overall image quality of the plurality of input images. In the optimization process step, an optimal solution of brightness change for each pixel of each input image is determined under a condition that common brightness change is performed with respect to pixels at a same position in respective input images.Type: GrantFiled: October 28, 2016Date of Patent: September 17, 2019Assignee: Canon Kabushiki KaishaInventors: Tomochika Murakami, Kazuya Kodama
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Patent number: 10417746Abstract: An image processing method includes the steps of: generating, based on data of a plurality of images acquired by performing imaging using a same image sensor, a weight coefficient corresponding to each image so that a weight coefficient corresponding to an image of which a brightness change is smooth is relatively large; integrating the data of the plurality of images using the weight coefficients to generate data of an integrated image; applying smoothing to the data of the integrated image to generate data of a smoothed integrated image; and generating, based on the data of the integrated image and the data of the smoothed integrated image, data of estimated fixed-pattern noise which is an estimated value of fixed-pattern noise attributable to the image sensor.Type: GrantFiled: November 17, 2016Date of Patent: September 17, 2019Assignee: Canon Kabushiki KaishaInventors: Tomochika Murakami, Kazuya Kodama
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Publication number: 20180309889Abstract: A combination of a latent-image pattern which forms a latent-image part and a background pattern that forms a background-image part is determined so that the latent-image part and background-image part have equal print densities. The determined latent-image pattern and background pattern, color information used to determine a color of the copy-forgery-inhibited pattern image, input image information as an image to be processed, copy-forgery-inhibited pattern basic information used to designate the latent-image part and background-image part, and camouflage region designation image information used to designate a camouflage region are input. A copy-forgery-inhibited pattern image is generated on the basis of the input information.Type: ApplicationFiled: June 26, 2018Publication date: October 25, 2018Inventor: TOMOCHIKA MURAKAMI
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Publication number: 20180246868Abstract: An image processing apparatus includes an obtaining unit obtaining data of an image of an object and data of a plurality of annotations attached to the image, an input unit receiving a designation of a display magnification for enlarging or reducing the image, and a generation unit generating display data with which the annotations are displayed in such a way as to be superimposed on the image enlarged at the designated display magnification, wherein the data of the plurality of annotations includes position information indicating a position in the image at which each annotation is attached and information about the display magnification of the image at the time of attachment of each annotation, and the generation unit generates display data with which display modes of annotations are made different between annotations of which the display magnifications of the image at the time of attachment thereof are different.Type: ApplicationFiled: April 30, 2018Publication date: August 30, 2018Inventors: Takuya Tsujimoto, Tomochika Murakami
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Patent number: 10038802Abstract: A combination of a latent-image pattern which forms a latent-image part and a background pattern that forms a background-image part is determined so that the latent-image part and background-image part have equal print densities. The determined latent-image pattern and background pattern, color information used to determine a color of the copy-forgery-inhibited pattern image, input image information as an image to be processed, copy-forgery-inhibited pattern basic information used to designate the latent-image part and background-image part, and camouflage region designation image information used to designate a camouflage region are input. A copy-forgery-inhibited pattern image is generated on the basis of the input information.Type: GrantFiled: September 25, 2013Date of Patent: July 31, 2018Assignee: Canon Kabushiki KaishaInventor: Tomochika Murakami
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Patent number: 9881373Abstract: An image generating apparatus generates an edge image that is an image for which an edge has been enhanced or extracted from an original image obtained by imaging a subject. The image generating apparatus has a viewpoint image generating unit configured to generate a viewpoint image from the original image; and an edge processing unit configured to generate the edge image by applying edge processing to enhance or extract an edge with respect to the viewpoint image generated by the viewpoint image generating unit.Type: GrantFiled: November 28, 2013Date of Patent: January 30, 2018Assignee: CANON KABUSHIKI KAISHAInventor: Tomochika Murakami
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Publication number: 20170154409Abstract: An image processing method includes the steps of: generating, based on data of a plurality of images acquired by performing imaging using a same image sensor, a weight coefficient corresponding to each image so that a weight coefficient corresponding to an image of which a brightness change is smooth is relatively large; integrating the data of the plurality of images using the weight coefficients to generate data of an integrated image; applying smoothing to the data of the integrated image to generate data of a smoothed integrated image; and generating, based on the data of the integrated image and the data of the smoothed integrated image, data of estimated fixed-pattern noise which is an estimated value of fixed-pattern noise attributable to the image sensor.Type: ApplicationFiled: November 17, 2016Publication date: June 1, 2017Inventors: Tomochika Murakami, Kazuya Kodama
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Publication number: 20170142358Abstract: An image processing method, includes: an input step in which a computer acquires data of a plurality of input images acquired by imaging performed using a same image sensor; and an optimization process step in which a computer determines an optimal solution of brightness change with respect to each input image by performing iterative calculations using an iterative method to improve overall image quality of the plurality of input images. In the optimization process step, an optimal solution of brightness change for each pixel of each input image is determined under a condition that common brightness change is performed with respect to pixels at a same position in respective input images.Type: ApplicationFiled: October 28, 2016Publication date: May 18, 2017Inventors: Tomochika Murakami, Kazuya Kodama
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Patent number: 9332190Abstract: An image processing apparatus includes: an imaging characteristic acquisition unit that acquires, on the basis of information that designates a depth of field for second image data to be generated, imaging characteristics of a virtual optical system having the designated depth of field; a selection unit that determines, on the basis of the imaging characteristics acquired, an influence range in which an influence exerted onto an image by an object that is spaced apart from the focal position in the optical axis direction is greater than a predetermined condition, and that selects first image data of which focal position is contained within the influence range, from among a plurality of first image data items; and a generation unit that generates the second image data using the first image data selected by the selection unit.Type: GrantFiled: November 22, 2012Date of Patent: May 3, 2016Assignee: Canon Kabushiki KaishaInventor: Tomochika Murakami
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Patent number: 9292925Abstract: An imaging system includes: an imaging unit that divides an imaging area of a subject into a plurality of blocks and captures images of the blocks; an image processing unit that merges the images of the respective blocks captured by the imaging unit to generate an entire image; a measuring unit that measures a plurality of points on the subject to acquire measured data before an image of the subject is captured by the imaging unit; and a dividing position adjusting unit that adjusts dividing positions of the subject based on the measured data of the measuring points acquired by the measuring unit so that boundaries of the blocks are arranged at positions having smaller spatial variations in values of the measured data. The imaging unit captures an image of each block according to the dividing positions adjusted by the dividing position adjusting unit.Type: GrantFiled: May 16, 2012Date of Patent: March 22, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Miyoko Kawashima, Tomochika Murakami
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Publication number: 20150324997Abstract: An image generating apparatus generates an edge image that is an image for which an edge has been enhanced or extracted from an original image obtained by imaging a subject. The image generating apparatus has a viewpoint image generating unit configured to generate a viewpoint image from the original image; and an edge processing unit configured to generate the edge image by applying edge processing to enhance or extract an edge with respect to the viewpoint image generated by the viewpoint image generating unit.Type: ApplicationFiled: November 28, 2013Publication date: November 12, 2015Inventor: Tomochika Murakami
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Publication number: 20150310613Abstract: An image generating apparatus which generates an observation image from an original image obtained by imaging a subject, has a viewpoint image generating unit configured to generate a plurality of viewpoint images having mutually different line-of-sight directions by using the original image; and an observation image generating unit configured to generate an image, for which a scattered light component included in the original image has been extracted or enhanced, as the observation image by using the plurality of viewpoint images. The observation image is generated, for example, by extracting or enhancing a difference among the plurality of viewpoint images.Type: ApplicationFiled: November 28, 2013Publication date: October 29, 2015Inventor: Tomochika Murakami
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Publication number: 20150279033Abstract: An image data generating apparatus includes: a transform unit that transforms original image data including plural layer image data obtained by capturing images of plural layers in a subject, into data in a frequency space; a filter application unit that applies a filter to the transformed data; and an inverse transform unit that inverse transforms the filter-applied data into image data in a real space. The filter is designed such that any of the layer image data included in the inverse-transformed image data become feature image data corresponding to image data for which a difference between plural viewpoint image data with mutually different line-of-sight directions with respect to the subject has been extracted or enhanced.Type: ApplicationFiled: March 17, 2015Publication date: October 1, 2015Inventor: Tomochika Murakami
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Publication number: 20140327687Abstract: Operations by the user include a first change operation to move a display target area in a horizontal direction, a second change operation to move a display target area in a depth direction, and a third change operation to change the display magnification. In an image generating apparatus, data to be required for updating the display target image data in case of a change operation is predicted for each of the plurality of change operations, and the predicted data for each change operation is stored in the memory area. An allocation of data volume that can be stored in the memory area to each change operation is adaptively changed depending on the current display magnification, user setting mode, annotation information, operation history, user information, type of staining or the like.Type: ApplicationFiled: February 5, 2013Publication date: November 6, 2014Inventor: Tomochika Murakami
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Publication number: 20140292813Abstract: An image processing apparatus includes: an adjusting section configured to detect, when a plurality of observation targets are included in a slide, regions of images of the observation targets from an image of the slide and continuously arrange the regions to thereby generate data of a reconfigured slide image in which arrangement of the observation targets is adjusted; and a display control section configured to display, on a display apparatus, an enlarged image corresponding to a part of a display region of the reconfigured slide image and change the enlarged image displayed on the display apparatus such that the display region moves on the reconfigured slide image according to a movement instruction.Type: ApplicationFiled: March 18, 2014Publication date: October 2, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tomohiko Takayama, Tomochika Murakami
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Publication number: 20140293117Abstract: An image processing apparatus includes: an imaging characteristic acquisition unit that acquires, on the basis of information that designates a depth of field for second image data to be generated, imaging characteristics of a virtual optical system having the designated depth of field; a selection unit that determines, on the basis of the imaging characteristics acquired, an influence range in which an influence exerted onto an image by an object that is spaced apart from the focal position in the optical axis direction is greater than a predetermined condition, and that selects first image data of which focal position is contained within the influence range, from among a plurality of first image data items; and a generation unit that generates the second image data using the first image data selected by the selection unit.Type: ApplicationFiled: November 22, 2012Publication date: October 2, 2014Inventor: Tomochika Murakami
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Publication number: 20140298153Abstract: An image processing apparatus includes an obtaining unit obtaining data of an image of an object and data of a plurality of annotations attached to the image, an input unit receiving a designation of a display magnification for enlarging or reducing the image, and a generation unit generating display data with which the annotations are displayed in such a way as to be superimposed on the image enlarged at the designated display magnification, wherein the data of the plurality of annotations includes position information indicating a position in the image at which each annotation is attached and information about the display magnification of the image at the time of attachment of each annotation, and the generation unit generates display data with which display modes of annotations are made different between annotations of which the display magnifications of the image at the time of attachment thereof are different.Type: ApplicationFiled: December 6, 2012Publication date: October 2, 2014Applicant: Canon Kabushiki KaishaInventors: Takuya Tsujimoto, Tomochika Murakami