Patents by Inventor Yoshinori Kohno
Yoshinori Kohno 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: 20220281520Abstract: A steering holding determination device configured to determine whether a driver holds a steering member, the steering holding determination device including: a predicted value calculation unit configured to calculate a predicted value of at least one of one or more state quantities related to steering of the steering member and one or more state quantities related to turning of a wheel; and a steering holding determination unit configured to determine whether the driver holds the steering member with reference to the predicted value calculated by the predicted value calculation unit and a variance of the predicted value.Type: ApplicationFiled: May 19, 2022Publication date: September 8, 2022Applicant: Hitachi Astemo, Ltd.Inventors: Hirokazu FUJIMOTO, Tatsuru NIIHARA, Yoshinori KOHNO, Hiroki SATO, Shigeharu SHIBAHATA, Daisuke TSUGA
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Publication number: 20220274643Abstract: A steering holding determination device configured to determine whether a driver holds a steering member, the steering holding determination device including: a predicted value calculation unit configured to sequentially calculate a predicted value of a state quantity with reference to a steering torque and an actual measured value of the state quantity, the state quantity being related to a turning angle of a wheel; and a steering holding determination unit configured to determine whether the driver holds the steering member with reference to the predicted value calculated by the predicted value calculation unit and an actual measured value corresponding to the predicted value.Type: ApplicationFiled: May 19, 2022Publication date: September 1, 2022Applicant: Hitachi Astemo, Ltd.Inventors: Hirokazu FUJIMOTO, Tatsuru NIIHARA, Yoshinori KOHNO, Hiroki SATO, Shigeharu SHIBAHATA, Daisuke TSUGA
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Patent number: 9275440Abstract: An image processing device (100) is configured such that an edge histogram creating section (130) calculates interproximal pixel luminance difference for each of pixels constituting a frame, and a first ratio, which is a ratio of pixels whose interproximal pixel luminance difference is greater than or equal to a first threshold, and an edge enhancement section (140) performs edge enhancement in such a way that a shoot component to be added is smaller for a frame having a larger first ratio.Type: GrantFiled: April 23, 2013Date of Patent: March 1, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Ichiro Mizobuchi, Akira Koike, Masahiko Takiguchi, Yoshinori Kohno
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Patent number: 9256924Abstract: A video processing device (100) includes: an edge histogram generating section (141) and a noise reducing section (150). The generating section (141) generates an edge histogram of a decoded image obtained from a video signal. The noise reducing section (150) (i) determines whether or not a ratio of a sum of frequencies of classes higher than a predetermined class of an edge histogram to a sum of all frequencies the edge histogram is equal to or greater than a predetermined threshold value and (ii) performs a smoothing process on the decoded image with a smoothing intensity adjusted in accordance with whether or not the ratio is equal to or greater than the predetermined threshold value.Type: GrantFiled: April 18, 2013Date of Patent: February 9, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Mihoko Watanabe, Akira Koike, Yoshinori Kohno, Shigeki Taniguchi, Masahiko Takiguchi, Ichiro Mizobuchi
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IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, TELEVISION RECEIVER, PROGRAM, AND RECORDING MEDIUM
Publication number: 20150125090Abstract: An image processing device (100) is configured such that an edge histogram creating section (130) calculates interproximal pixel luminance difference for each of pixels constituting a frame, and a first ratio, which is a ratio of pixels whose interproximal pixel luminance difference is greater than or equal to a first threshold, and an edge enhancement section (140) performs edge enhancement in such a way that a shoot component to be added is smaller for a frame having a larger first ratio.Type: ApplicationFiled: April 23, 2013Publication date: May 7, 2015Applicant: SHARP KABUSHIKI KAISHAInventors: Ichiro Mizobuchi, Akira Koike, Masahiko Takiguchi, Yoshinori Kohno -
Publication number: 20150103250Abstract: A video processing device (100) includes: an edge histogram generating section (141) and a noise reducing section (150). The generating section (141) generates an edge histogram of a decoded image obtained from a video signal. The noise reducing section (150) (i) determines whether or not a ratio of a sum of frequencies of classes higher than a predetermined class of an edge histogram to a sum of all frequencies the edge histogram is equal to or greater than a predetermined threshold value and (ii) performs a smoothing process on the decoded image with a smoothing intensity adjusted in accordance with whether or not the ratio is equal to or greater than the predetermined threshold value.Type: ApplicationFiled: April 18, 2013Publication date: April 16, 2015Applicant: SHARP KABUSHIKI KAISHAInventors: Mihoko Watanabe, Akira Koike, Yoshinori Kohno, Shigeki Taniguchi, Masahiko Takiguchi, Ichiro Mizobuchi
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VIDEO PROCESSING DEVICE, VIDEO PROCESSING METHOD, TELEVISION RECEIVER, PROGRAM, AND RECORDING MEDIUM
Publication number: 20150085943Abstract: On the basis of quantization codes of each separate block and results of motion determination of each separate block, a noise amount calculating section (150) of a video processing device (100) selects at least one noise reduction process that is applied to the target frame from among a plurality of noise reduction processes having different characteristics from each other.Type: ApplicationFiled: March 22, 2013Publication date: March 26, 2015Applicant: Sharp Kabushiki KaishaInventors: Shigeki Taniguchi, Akira Koike, Yoshinori Kohno, Tetsuo Ikeyama, Masahiko Takiguchi, Mihoko Watanabe -
Patent number: 8737465Abstract: Provided is a video processing technique capable of carrying out noise reduction processing and image quality correction using a configuration that is typically used in decoding processing. A video processing device according to the present invention counts the number of blocks in which a quantization parameter in video exceeds a predetermined threshold value and calculates a noise amount in the video based on the count result. Further, an amount by which the noise is to be reduced is adjusted in accordance with the calculated noise amount.Type: GrantFiled: July 19, 2011Date of Patent: May 27, 2014Assignee: Sharp Kabushiki KaishaInventors: Yoshinori Kohno, Ryohsuke Niizuma
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Patent number: 8487940Abstract: A display device (10) includes: a display section (23) which displays a picture; a user specifying section (130) which specifies a user viewing the display device; an image quality specifying section (170) which, in a case where the user specifying section (130) has specified a plurality of users, (i) obtains, from a recording section which records a plurality of setting values that correspond to user information for discriminating the plurality of users and are used to adjust an image quality, the plurality of setting values that correspond to the respective plurality of users thus specified and (ii) specifies, in accordance with the plurality of setting values thus obtained, a plurality of image qualities of a respective plurality of pictures to be displayed in the display section (23); and an image quality adjustment instructing section (150) which instructs an image quality adjusting section (22) to cause the display section (23) to display the plurality of pictures at the respective plurality of image quType: GrantFiled: March 25, 2011Date of Patent: July 16, 2013Assignee: Sharp Kabushiki KaishaInventors: Yoshinori Kohno, Kohichi Takaku, Kenji Watanabe, Tetsuo Ikeyama, Masahiko Takiguchi, Mihoko Watanabe, Tsuyoshi Ohmori, Hiroaki Okumoto
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Publication number: 20130107946Abstract: Provided is a video processing technique capable of carrying out noise reduction processing and image quality correction using a configuration that is typically used in decoding processing. A video processing device according to the present invention counts the number of blocks in which a quantization parameter in video exceeds a predetermined threshold value and calculates a noise amount in the video based on the count result. Further, an amount by which the noise is to be reduced is adjusted in accordance with the calculated noise amount.Type: ApplicationFiled: July 19, 2011Publication date: May 2, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Yoshinori Kohno, Ryohsuke Niizuma
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Patent number: 8373644Abstract: In a video display apparatus, a backlight for illuminating a liquid crystal panel is segmented into a plurality of areas. A frequency distribution processing unit calculates a dark pixel amount from the frequency distribution of the gradation values of pixels in a video image. A backlight control unit calculates a lower limit of luminance in each area included in the backlight so that the lower limit increases as the dark pixel amount becomes smaller. The backlight control unit adjusts the luminance in each area individually according to the gradation values in each portion of the video image, and adjusts the luminance in an area where the luminance is less than the lower limit to the lower limit. The difference in luminance between the areas illuminating dark portions of the video image is decreased, and the occurrence of luminance blur resulting from the difference in luminance between the areas is reduced.Type: GrantFiled: June 24, 2009Date of Patent: February 12, 2013Assignee: Sharp Kabushiki KaishaInventors: Akira Koike, Kohichi Takaku, Yoshinori Kohno, Shinichi Nagashima, Hideto Yagisawa, Kodai Yamada
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Publication number: 20130002695Abstract: A display device (10) includes: a display section (23) which displays a picture; a user specifying section (130) which specifies a user viewing the display device; an image quality specifying section (170) which, in a case where the user specifying section (130) has specified a plurality of users, (i) obtains, from a recording section which records a plurality of setting values that correspond to user information for discriminating the plurality of users and are used to adjust an image quality, the plurality of setting values that correspond to the respective plurality of users thus specified and (ii) specifies, in accordance with the plurality of setting values thus obtained, a plurality of image qualities of a respective plurality of pictures to be displayed in the display section (23); and an image quality adjustment instructing section (150) which instructs an image quality adjusting section (22) to cause the display section (23) to display the plurality of pictures at the respective plurality of image quType: ApplicationFiled: March 25, 2011Publication date: January 3, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Yoshinori Kohno, Kohichi Takaku, Kenji Watanabe, Tetsuo Ikeyama, Masahiko Takiguchi, Mihoko Watanabe, Tsuyoshi Ohmori, Hiroaki Okumoto
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Publication number: 20100073276Abstract: In a video display apparatus, a backlight for illuminating a liquid crystal panel is segmented into a plurality of areas. A frequency distribution processing unit calculates a dark pixel amount from the frequency distribution of the gradation values of pixels in a video image. A backlight control unit calculates a lower limit of luminance in each area included in the backlight so that the lower limit increases as the dark pixel amount becomes smaller. The backlight control unit adjusts the luminance in each area individually according to the gradation values in each portion of the video image, and adjusts the luminance in an area where the luminance is less than the lower limit to the lower limit. The difference in luminance between the areas illuminating dark portions of the video image is decreased, and the occurrence of luminance blur resulting from the difference in luminance between the areas is reduced.Type: ApplicationFiled: June 24, 2009Publication date: March 25, 2010Applicant: SHARP KABUSHIKI KAISHAInventors: Akira Koike, Kohichi Takaku, Yoshinori Kohno, Shinichi Nagashima, Hideto Yagisawa, Kodai Yamada