Patents by Inventor Koichi Washisu
Koichi Washisu 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: 20200275028Abstract: An image capturing apparatus includes an image capturing device, a period detection circuit configured to detect a period of a focus variation, a first detection device configured to detect a first translation component, a second detection device configured to detect a rotation component, a first extraction unit configured to extract a component of a predetermined frequency band from the first translation component, a second extraction unit configured to extract the component of the predetermined frequency band from the rotation component, a obtaining unit configured to compare a signal extracted by the first extraction unit with a signal extracted by the second extraction unit to obtain a rotation radius, and a translation obtaining unit configured to obtain a second translation component using the signal from the second detection device and the rotation radius.Type: ApplicationFiled: February 14, 2020Publication date: August 27, 2020Inventors: Tomomi Uesugi, Koichi Washisu
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Patent number: 10757349Abstract: According to the present invention, an imaging device and a reproducing device that allow for high quality reproduction of images generated by using two image signals having different lengths of accumulation periods output form a single imaging element are provided. A solid state imaging device of the invention includes a pixel array including a pixel having first and second photoelectric conversion units; a scanning unit that drives the pixel such that an accumulation period of an intermediate time of the first photoelectric conversion unit matches an intermediate time of an accumulation period of the second photoelectric conversion unit; a readout unit that reads out a first image signal from the first photoelectric conversion unit and reads out a second image signal from the second photoelectric conversion unit; and a generating unit that generates images by using the first and second image signals whose accumulation periods have the matched intermediate time.Type: GrantFiled: November 8, 2018Date of Patent: August 25, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Fumihiro Kajimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Masafumi Kimura, Makoto Oikawa, Go Naito
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Patent number: 10424343Abstract: An imaging device includes an imaging element that acquires a first image based on signal charge generated during a first accumulation time, and a second image based on signal charge generated during a second accumulation time relatively longer than the first accumulation time and synchronized with the first image during a synchronization period including the first accumulation time, and a moving image file generating unit that generates a moving image file including a first moving image based on the first image, a second moving image based on the second image, and synchronization information for synchronizing the first moving image and the second moving image frame by frame.Type: GrantFiled: December 18, 2017Date of Patent: September 24, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Masafumi Kimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Makoto Oikawa, Fumihiro Kajimura, Go Naito
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Patent number: 10348966Abstract: A control apparatus includes a signal readout unit 15 which reads out a frame image obtained from an image pickup device while the frame image is divided into a plurality of different regions, an image information calculating unit 16 which calculates image information based on an image signal of each of the plurality of different regions obtained from the signal readout unit, and an adjusting unit 17 which determines a target adjustment value of an image pickup unit including an image pickup optical system and the image pickup device based on the image information during capturing the frame image.Type: GrantFiled: April 28, 2016Date of Patent: July 9, 2019Assignee: Canon Kabushiki KaishaInventors: Koichi Washisu, Masafumi Kimura, Fumihiro Kajimura
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Patent number: 10326938Abstract: The image stabilization control apparatus that performs, using a shake detection signal acquired through a shake detector configured to detect a shake and a motion vector detection signal indicating a motion vector detected in a video signal produced through an image sensor, image stabilization control for reducing image blur due to the shake. The apparatus includes a predictor that produces, using the motion vector detection signal, a predicted error signal that indicates a predicted value of an error signal included in the shake detection signal, a signal producer that subtracts the predicted error signal from the shake detection signal to produce a first image stabilization signal, and a controller that performs the image stabilization control using the first image stabilization signal.Type: GrantFiled: May 23, 2017Date of Patent: June 18, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Fumihiro Kajimura, Koichi Washisu
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Patent number: 10313600Abstract: Provided is an imaging device including an imaging element having a first photoelectric conversion unit and a second photoelectric conversion unit, in which a light-receiving efficiency of the second photoelectric conversion unit is lower than a light-receiving efficiency of the first photoelectric conversion unit; an optics that guides a light flux from an object to the imaging element; and a control unit that selects a combination of the first photoelectric conversion unit and the second photoelectric conversion unit used for a motion image capturing and a static image capturing in accordance with a brightness of the object.Type: GrantFiled: October 3, 2016Date of Patent: June 4, 2019Assignee: Canon Kabushiki KaishaInventors: Masafumi Kimura, Koichi Washisu, Yasuo Suda, Akihiko Nagano, Fumihiro Kajimura, Go Naito, Ryo Yamasaki, Makoto Oikawa
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Patent number: 10298844Abstract: An image processing apparatus detects predetermined information from an image signal and output a detection signal indicating the detected information, stores the detection signals for a plurality of periods, calculates a first prediction value based on a predetermined number of detection signals, from a newer one to older ones excluding a latest detection signal, stored in the storage unit, calculates a coefficient based on a difference between the first prediction value and a value of the latest detection signal, calculates a second prediction value based on the coefficient and the predetermined number of detection signals, from the latest one to older ones, and generates, based on the second prediction value, a control signal for controlling a predetermined constituent member.Type: GrantFiled: April 5, 2018Date of Patent: May 21, 2019Assignee: Canon Kabushiki KaishaInventors: Masafumi Kimura, Koichi Washisu
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Patent number: 10283538Abstract: An imaging device includes a plurality of pixels, each of which including a first pixel element including a first photoelectric conversion unit, and a second pixel element including a second photoelectric conversion unit lower in sensitivity than the first photoelectric conversion unit, a readout circuit configured to read out a first image signal based on signal charge generated in the first pixel element during a first accumulation period, and a second image signal based on signal charge generated in the second pixel element during a second accumulation period longer than the first accumulation period, the second image signal being synchronized with the first image signal, and a control unit configured to control the readout circuit so that a first readout period for reading out the first image signal is performed during the second accumulation period.Type: GrantFiled: February 14, 2017Date of Patent: May 7, 2019Assignee: CANON KABSHIKI KAISHAInventors: Fumihiro Kajimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Masafumi Kimura, Makoto Oikawa, Go Naito
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Patent number: 10257437Abstract: An imaging apparatus that performs positioning of a plurality of images that has been continuously captured by an image sensor includes at least one memory, and at least one processor coupled to the at least one memory. The at least one processor functions as a detection unit configured to detect a difference in position between the images captured by the image sensor, a drive unit configured to drive a shake correction unit that optically corrects image blur of each image based on the difference in position detected by the detection unit, and a coordinate transformation unit configured to perform positioning of the images in which the image blur has been corrected by the shake correction unit, based on the difference in position detected by the detection unit.Type: GrantFiled: July 25, 2017Date of Patent: April 9, 2019Assignee: Canon Kabushiki KaishaInventors: Fumihiro Kajimura, Koichi Washisu
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Publication number: 20190082127Abstract: According to the present invention, an imaging device and a reproducing device that allow for high quality reproduction of images generated by using two image signals having different lengths of accumulation periods output form a single imaging element are provided. A solid state imaging device of the invention includes a pixel array including a pixel having first and second photoelectric conversion units; a scanning unit that drives the pixel such that an accumulation period of an intermediate time of the first photoelectric conversion unit matches an intermediate time of an accumulation period of the second photoelectric conversion unit; a readout unit that reads out a first image signal from the first photoelectric conversion unit and reads out a second image signal from the second photoelectric conversion unit; and a generating unit that generates images by using the first and second image signals whose accumulation periods have the matched intermediate time.Type: ApplicationFiled: November 8, 2018Publication date: March 14, 2019Inventors: Fumihiro Kajimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Masafumi Kimura, Makoto Oikawa, Go Naito
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Patent number: 10182199Abstract: According to the present invention, an imaging device and a reproducing device that allow for high quality reproduction of images generated by using two image signals having different lengths of accumulation periods output form a single imaging element are provided. A solid state imaging device of the invention includes a pixel array including a pixel having first and second photoelectric conversion units; a scanning unit that drives the pixel such that an accumulation period of an intermediate time of the first photoelectric conversion unit matches an intermediate time of an accumulation period of the second photoelectric conversion unit; a readout unit that reads out a first image signal from the first photoelectric conversion unit and reads out a second image signal from the second photoelectric conversion unit; and a generating unit that generates images by using the first and second image signals whose accumulation periods have the matched intermediate time.Type: GrantFiled: February 17, 2017Date of Patent: January 15, 2019Assignee: Canon Kabushiki KaishaInventors: Fumihiro Kajimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Masafumi Kimura, Makoto Oikawa, Go Naito
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Publication number: 20180227493Abstract: An image processing apparatus detects predetermined information from an image signal and output a detection signal indicating the detected information, stores the detection signals for a plurality of periods, calculates a first prediction value based on a predetermined number of detection signals, from a newer one to older ones excluding a latest detection signal, stored in the storage unit, calculates a coefficient based on a difference between the first prediction value and a value of the latest detection signal, calculates a second prediction value based on the coefficient and the predetermined number of detection signals, from the latest one to older ones, and generates, based on the second prediction value, a control signal for controlling a predetermined constituent member.Type: ApplicationFiled: April 5, 2018Publication date: August 9, 2018Inventors: Masafumi Kimura, Koichi Washisu
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Publication number: 20180158487Abstract: An imaging device includes an imaging element that acquires a first image based on signal charge generated during a first accumulation time, and a second image based on signal charge generated during a second accumulation time relatively longer than the first accumulation time and synchronized with the first image during a synchronization period including the first accumulation time, and a moving image file generating unit that generates a moving image file including a first moving image based on the first image, a second moving image based on the second image, and synchronization information for synchronizing the first moving image and the second moving image frame by frame.Type: ApplicationFiled: December 18, 2017Publication date: June 7, 2018Inventors: Masafumi Kimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Makoto Oikawa, Fumihiro Kajimura, Go Naito
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Patent number: 9967462Abstract: An image processing apparatus detects predetermined information from an image signal and output a detection signal indicating the detected information, stores the detection signals for a plurality of periods, calculates a first prediction value based on a predetermined number of detection signals, from a newer one to older ones excluding a latest detection signal, stored in the storage unit, calculates a coefficient based on a difference between the first prediction value and a value of the latest detection signal, calculates a second prediction value based on the coefficient and the predetermined number of detection signals, from the latest one to older ones, and generates, based on the second prediction value, a control signal for controlling a predetermined constituent member.Type: GrantFiled: June 7, 2016Date of Patent: May 8, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Masafumi Kimura, Koichi Washisu
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Publication number: 20180041716Abstract: An imaging apparatus that performs positioning of a plurality of images that has been continuously captured and combines the images comprises an imaging unit; a detection unit configured to detect a difference in position between the images captured by the imaging unit; a drive unit configured to drive a shake correction unit that optically corrects image blur of the image based on the difference in position detected by the detection unit; a coordinate transformation unit configured to perform positioning of the images in which the image blur has been corrected based on the difference in position detected by the detection unit; and an image combining unit configured to combine the images to which the positioning has been performed by the coordinate transformation unit and generate a combined image.Type: ApplicationFiled: July 25, 2017Publication date: February 8, 2018Inventors: Fumihiro Kajimura, Koichi Washisu
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Patent number: 9881648Abstract: An imaging device includes an imaging element that acquires a first image based on signal charge generated during a first accumulation time, and a second image based on signal charge generated during a second accumulation time relatively longer than the first accumulation time and synchronized with the first image during a synchronization period including the first accumulation time, and a moving image file generating unit that generates a moving image file including a first moving image based on the first image, a second moving image based on the second image, and synchronization information for synchronizing the first moving image and the second moving image frame by frame.Type: GrantFiled: September 7, 2016Date of Patent: January 30, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Masafumi Kimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Makoto Oikawa, Fumihiro Kajimura, Go Naito
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Publication number: 20170347032Abstract: The image stabilization control apparatus that performs, using a shake detection signal acquired through a shake detector configured to detect a shake and a motion vector detection signal indicating a motion vector detected in a video signal produced through an image sensor, image stabilization control for reducing image blur due to the shake. The apparatus includes a predictor that produces, using the motion vector detection signal, a predicted error signal that indicates a predicted value of an error signal included in the shake detection signal, a signal producer that subtracts the predicted error signal from the shake detection signal to produce a first image stabilization signal, and a controller that performs the image stabilization control using the first image stabilization signal.Type: ApplicationFiled: May 23, 2017Publication date: November 30, 2017Inventors: Fumihiro Kajimura, Koichi Washisu
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Publication number: 20170244912Abstract: According to the present invention, an imaging device and a reproducing device that allow for high quality reproduction of images generated by using two image signals having different lengths of accumulation periods output form a single imaging element are provided. A solid state imaging device of the invention includes a pixel array including a pixel having first and second photoelectric conversion units; a scanning unit that drives the pixel such that an accumulation period of an intermediate time of the first photoelectric conversion unit matches an intermediate time of an accumulation period of the second photoelectric conversion unit; a readout unit that reads out a first image signal from the first photoelectric conversion unit and reads out a second image signal from the second photoelectric conversion unit; and a generating unit that generates images by using the first and second image signals whose accumulation periods have the matched intermediate time.Type: ApplicationFiled: February 17, 2017Publication date: August 24, 2017Inventors: Fumihiro Kajimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Masafumi Kimura, Makoto Oikawa, Go Naito
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Publication number: 20170237927Abstract: An imaging device includes a plurality of pixels, each of which including a first pixel element including a first photoelectric conversion unit, and a second pixel element including a second photoelectric conversion unit lower in sensitivity than the first photoelectric conversion unit, a readout circuit configured to read out a first image signal based on signal charge generated in the first pixel element during a first accumulation period, and a second image signal based on signal charge generated in the second pixel element during a second accumulation period longer than the first accumulation period, the second image signal being synchronized with the first image signal, and a control unit configured to control the readout circuit so that a first readout period for reading out the first image signal is performed during the second accumulation period.Type: ApplicationFiled: February 14, 2017Publication date: August 17, 2017Inventors: Fumihiro Kajimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Masafumi Kimura, Makoto Oikawa, Go Naito
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Publication number: 20170236552Abstract: An imaging device includes an imaging element that acquires a first image based on signal charge generated during a first accumulation time, and a second image based on signal charge generated during a second accumulation time relatively longer than the first accumulation time and synchronized with the first image during a synchronization period including the first accumulation time, and a moving image file generating unit that generates a moving image file including a first moving image based on the first image, a second moving image based on the second image, and synchronization information for synchronizing the first moving image and the second moving image frame by frame.Type: ApplicationFiled: September 7, 2016Publication date: August 17, 2017Inventors: Masafumi Kimura, Yasuo Suda, Koichi Washisu, Akihiko Nagano, Ryo Yamasaki, Makoto Oikawa, Fumihiro Kajimura, Go Naito