Patents by Inventor Takuji KAMADA
Takuji KAMADA 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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Patent number: 11763445Abstract: An inspection system includes circuitry configured to determine whether a predetermined pattern is present in a master image of an inspection target object; acquire an inspection target image of the inspection target object from an image captured by an image capturing device; compare the master image of the inspection target object with the inspection target image, to inspect the inspection target object; and switch a threshold value used in comparing the master image with the inspection target image of the inspection target object depending on a determination result of determining whether the predetermined pattern is present in the master image of the inspection target object.Type: GrantFiled: December 22, 2020Date of Patent: September 19, 2023Assignee: RICOH COMPANY, LTD.Inventors: Takuji Kamada, Keiji Kojima, Yoichi Kubota, Yuka Minamizono
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Publication number: 20230281795Abstract: An inspection system, an inspection method, and non-transitory recording medium. The inspection system acquires an image, captured by an image sensor, of the object to be inspected placed on a placement surface, the object having a printed image printed thereon, displays by a projector, print image data of the print image and attribute information of the object to be inspected, on the placement surface, compares a captured image of the object to be inspected with the print image data to determine whether there is a defect, and based on a determination that there is a defect, output defect information for specifying the defect.Type: ApplicationFiled: January 20, 2023Publication date: September 7, 2023Applicant: Ricoh Company, Ltd.Inventors: Takashi SOMA, Takuji Kamada
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Publication number: 20220100433Abstract: An image forming device includes a receiving unit and a determining unit. The receiving unit is configured to receive an image to be printed. The determining unit is configured to determine whether the image received by the receiving unit complies with a condition predetermined to be satisfied for printing.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Inventors: Takuya TANAKA, Takuji KAMADA, Kazuki TOKOYODA
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Patent number: 11282187Abstract: An inspection system for inspecting a target includes a first lighting device configured to irradiate light onto the target from a given direction; a second lighting device, provided between the target and the first lighting device, configured to irradiate light onto the target from an oblique direction with respect to the given direction; an image capture device, provided at a position opposite to a position of the target with respect to the first lighting device and the second lighting device in the given direction; and circuitry configured to acquire a first inspection target image of the target, captured by the image capture device by irradiating the light from the first lighting device, and a second inspection target image of the target, captured by the image capture device by irradiating the light from the second lighting device, to be used for inspecting the target.Type: GrantFiled: August 6, 2020Date of Patent: March 22, 2022Assignee: RICOH COMPANY, LTD.Inventors: Fumihiro Nakashige, Takuji Kamada
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Publication number: 20210209740Abstract: An inspection system includes circuitry configured to determine whether a predetermined pattern is present in a master image of an inspection target object; acquire an inspection target image of the inspection target object from an image captured by an image capturing device; compare the master image of the inspection target object with the inspection target image, to inspect the inspection target object; and switch a threshold value used in comparing the master image with the inspection target image of the inspection target object depending on a determination result of determining whether the predetermined pattern is present in the master image of the inspection target object.Type: ApplicationFiled: December 22, 2020Publication date: July 8, 2021Applicant: Ricoh Company, Ltd.Inventors: Takuji KAMADA, Keiji KOJIMA, Yoichi KUBOTA, Yuka MINAMIZONO
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Patent number: 10981376Abstract: An inspection apparatus that inspects printed matter generated based on print data by using a read image of a printed surface of the printed matter includes processing circuitry. The processing circuitry performs acquisition, calculation, correction, and comparison. The processing circuitry acquires the read image as an inspection target image, and acquires a reference image based on the print data. The processing circuitry calculates a flare inverse correction value based on flare that occurs at time of creation of the inspection target image. The processing circuitry performs flare inverse correction on the reference image based on the flare inverse correction value to acquire a corrected reference image. The processing circuitry compares the corrected reference image with the inspection target image to perform inspection.Type: GrantFiled: June 27, 2019Date of Patent: April 20, 2021Assignee: RICOH COMPANY, LTD.Inventor: Takuji Kamada
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Publication number: 20210056679Abstract: An inspection system for inspecting a target includes a first lighting device configured to irradiate light onto the target from a given direction; a second lighting device, provided between the target and the first lighting device, configured to irradiate light onto the target from an oblique direction with respect to the given direction; an image capture device, provided at a position opposite to a position of the target with respect to the first lighting device and the second lighting device in the given direction; and circuitry configured to acquire a first inspection target image of the target, captured by the image capture device by irradiating the light from the first lighting device, and a second inspection target image of the target, captured by the image capture device by irradiating the light from the second lighting device, to be used for inspecting the target.Type: ApplicationFiled: August 6, 2020Publication date: February 25, 2021Inventors: Fumihiro Nakashige, Takuji Kamada
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Patent number: 10699110Abstract: An image processing apparatus includes a detector to detect, from a multi-value image, a table that can display a character in each of a plurality of cells delimited by a plurality of ruled lines and a conformation unit that determines how to conform a color of a constituent element in the table based on information of the element in the table detected by the detector.Type: GrantFiled: January 3, 2018Date of Patent: June 30, 2020Assignee: Ricoh Company, Ltd.Inventors: Takuji Kamada, Satoshi Ouchi
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Publication number: 20200009860Abstract: An inspection apparatus that inspects printed matter generated based on print data by using a read image of a printed surface of the printed matter includes processing circuitry. The processing circuitry performs acquisition, calculation, correction, and comparison. The processing circuitry acquires the read image as an inspection target image, and acquires a reference image based on the print data. The processing circuitry calculates a flare inverse correction value based on flare that occurs at time of creation of the inspection target image. The processing circuitry performs flare inverse correction on the reference image based on the flare inverse correction value to acquire a corrected reference image. The processing circuitry compares the corrected reference image with the inspection target image to perform inspection.Type: ApplicationFiled: June 27, 2019Publication date: January 9, 2020Applicant: Ricoh Company, Ltd.Inventor: Takuji KAMADA
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Patent number: 10523843Abstract: An image processing apparatus includes circuitry. The circuitry irreversibly compresses an input image to generate an irreversibly compressed image. The circuitry decompresses the irreversibly compressed image to generate a decompressed image. The circuitry corrects a surround of a target area in the decompressed image to generate a corrected image. The target area corresponds to a line drawing image included in the input image. The circuitry generates first to third image layers from the corrected image. The first image layer is a binary image including a line drawing alone. The second image layer includes a line drawing area. The third image layer includes a background area. The circuitry reversibly compresses the first image layer and irreversibly compress the second and third image layers. The circuitry generates an output file based on the first to third image layers compressed.Type: GrantFiled: October 8, 2018Date of Patent: December 31, 2019Assignee: RICOH COMPANY, LTD.Inventor: Takuji Kamada
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Patent number: 10345685Abstract: An image processing device includes a resolution reducer, a detector, and a corrector. The resolution reducer generates, from an input image, low resolution images for pixel shift display being lower in resolution than the input image. The detector detects portions of the low resolution images corresponding to a specific pattern in which image quality degradation may occur. The corrector performs specific correction processing to reduce the image quality degradation on the portions of the low resolution images corresponding to the specific pattern.Type: GrantFiled: January 19, 2018Date of Patent: July 9, 2019Assignee: Ricoh Company, Ltd.Inventors: Noriko Miyagi, Satoshi Ouchi, Takuji Kamada
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Publication number: 20190149695Abstract: An image processing apparatus includes circuitry. The circuitry irreversibly compresses an input image to generate an irreversibly compressed image. The circuitry decompresses the irreversibly compressed image to generate a decompressed image. The circuitry corrects a surround of a target area in the decompressed image to generate a corrected image. The target area corresponds to a line drawing image included in the input image. The circuitry generates first to third image layers from the corrected image. The first image layer is a binary image including a line drawing alone. The second image layer includes a line drawing area. The third image layer includes a background area. The circuitry reversibly compresses the first image layer and irreversibly compress the second and third image layers. The circuitry generates an output file based on the first to third image layers compressed.Type: ApplicationFiled: October 8, 2018Publication date: May 16, 2019Inventor: Takuji KAMADA
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Patent number: 10115011Abstract: A document type recognition apparatus includes an image region separation unit, a smoothing unit, an edge enhancement unit, a histogram creation unit, and a document type recognition unit. The image region separation unit outputs a signal indicative of each region obtained by separating an input image into a character region and a pattern region. The smoothing unit performs smoothing processing to remove halftone dots of a particular number of lines or greater in the pattern region of the input image. The edge enhancement unit outputs an image subjected to edge enhancement processing depending on an amount of edge on an edge portion of the character region in the input image subjected to the smoothing processing. The histogram creation unit creates a histogram of the image subjected to the edge enhancement processing. The document type recognition unit recognizes a document type of the input image by utilizing the histogram.Type: GrantFiled: March 13, 2017Date of Patent: October 30, 2018Assignee: Ricoh Company, Ltd.Inventors: Satoshi Ouchi, Takuji Kamada
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Publication number: 20180211106Abstract: An image processing apparatus includes a detector to detect, from a multi-value image, a table that can display a character in each of a plurality of cells delimited by a plurality of ruled lines and a conformation unit that determines how to conform a color of a constituent element in the table based on information of the element in the table detected by the detector.Type: ApplicationFiled: January 3, 2018Publication date: July 26, 2018Applicant: Ricoh Company, Ltd.Inventors: Takuji Kamada, Satoshi Ouchi
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Publication number: 20180210327Abstract: An image processing device includes a resolution reducer, a detector, and a corrector. The resolution reducer generates, from an input image, low resolution images for pixel shift display being lower in resolution than the input image. The detector detects portions of the low resolution images corresponding to a specific pattern in which image quality degradation may occur. The corrector performs specific correction processing to reduce the image quality degradation on the portions of the low resolution images corresponding to the specific pattern.Type: ApplicationFiled: January 19, 2018Publication date: July 26, 2018Applicant: Ricoh Company, Ltd.Inventors: Noriko Miyagi, Satoshi Ouchi, Takuji Kamada
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Patent number: 9948824Abstract: An image compressing device includes: a histogram creating unit configured to create a histogram regarding an input image; an original type recognizing unit configured to recognize an original type of the input image using the histogram; and an image compressing unit configured to perform a compression process for creating a high-compressed image file from the input image and to control a compression mode of the compression process depending on at least the original type recognized by the original type recognizing unit.Type: GrantFiled: March 16, 2017Date of Patent: April 17, 2018Assignee: Ricoh Company, Ltd.Inventors: Takuji Kamada, Satoshi Ouchi
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Patent number: 9912836Abstract: An image processing system includes: an image recording unit configured to record an output image corresponding to an input image on a recording medium; an image compression unit configured to compress the input image for transmission; and a determining unit configured to determine whether the input image is a color image or a monochrome image according to a first determination rule if the output image is to be recorded on the recording medium, and determine whether the input image is the color image or the monochrome image according to a second determination rule different from the first determination rule if the input image is to be compressed for transmission.Type: GrantFiled: August 17, 2016Date of Patent: March 6, 2018Assignee: RICOH COMPANY, LTD.Inventors: Satoshi Ouchi, Takuji Kamada, Hiroyuki Sakuyama
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Publication number: 20170270359Abstract: A document type recognition apparatus includes an image region separation unit, a smoothing unit, an edge enhancement unit, a histogram creation unit, and a document type recognition unit. The image region separation unit outputs a signal indicative of each region obtained by separating an input image into a character region and a pattern region. The smoothing unit performs smoothing processing to remove halftone dots of a particular number of lines or greater in the pattern region of the input image. The edge enhancement unit outputs an image subjected to edge enhancement processing depending on an amount of edge on an edge portion of the character region in the input image subjected to the smoothing processing. The histogram creation unit creates a histogram of the image subjected to the edge enhancement processing. The document type recognition unit recognizes a document type of the input image by utilizing the histogram.Type: ApplicationFiled: March 13, 2017Publication date: September 21, 2017Applicant: Ricoh Company, Ltd.Inventors: Satoshi OUCHI, Takuji Kamada
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Publication number: 20170272613Abstract: An image compressing device includes: a histogram creating unit configured to create a histogram regarding an input image; an original type recognizing unit configured to recognize an original type of the input image using the histogram; and an image compressing unit configured to perform a compression process for creating a high-compressed image file from the input image and to control a compression mode of the compression process depending on at least the original type recognized by the original type recognizing unit.Type: ApplicationFiled: March 16, 2017Publication date: September 21, 2017Applicant: Ricoh Company, Ltd.Inventors: Takuji KAMADA, Satoshi OUCHI
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Publication number: 20170054873Abstract: An image processing system includes: an image recording unit configured to record an output image corresponding to an input image on a recording medium; an image compression unit configured to compress the input image for transmission; and a determining unit configured to determine whether the input image is a color image or a monochrome image according to a first determination rule if the output image is to be recorded on the recording medium, and determine whether the input image is the color image or the monochrome image according to a second determination rule different from the first determination rule if the input image is to be compressed for transmission.Type: ApplicationFiled: August 17, 2016Publication date: February 23, 2017Applicant: Ricoh Company, Ltd.Inventors: Satoshi OUCHI, Takuji KAMADA, Hiroyuki SAKUYAMA