Patents by Inventor Hiromasa Naganuma
Hiromasa Naganuma 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: 20200059632Abstract: The present disclosure relates to an image processing apparatus and method that make it possible to achieve synchronization between a plurality of image projections with increased accuracy. Synchronization between a plurality of projection sections is controlled so as to suppress disruption of image projection timing between the projection sections in accordance with pixel values of captured images that are obtained by allowing an imaging section to capture projection images projected to the same position by the projection sections. The present disclosure is applicable, for example, to an image processing apparatus, an image projection apparatus, a control apparatus, an information processing apparatus, an image projection system, an image processing method, or a program.Type: ApplicationFiled: March 2, 2018Publication date: February 20, 2020Inventor: HIROMASA NAGANUMA
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Publication number: 20200053330Abstract: The present disclosure relates to an image processing apparatus and method that enable suppression of a reduction in subjective image quality. Image processing is performed on each of a plurality of frame images before projection. The image processing suppresses an influence of superimposition of the plurality of frame images in a projection image in projecting each of the plurality of frame images cyclically using a corresponding one of a plurality of projection sections. The plurality of frame images is included in a moving image. The present disclosure can be applied to, for example, an image processing apparatus, an image projection apparatus, a control apparatus, an information processing apparatus, an image projection system, an image processing method, a program, or the like.Type: ApplicationFiled: February 26, 2018Publication date: February 13, 2020Inventors: NORIAKI TAKAHASHI, TAKAHIRO NAGANO, HIROMASA NAGANUMA
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Publication number: 20190141303Abstract: There is provided an information processing apparatus, an information processing method, and a program for reducing any drop in the accuracy of color correction, the information processing apparatus using a captured image captured by a calibrated imaging section imaging a projected image projected to a projection plane by a calibrated projection section in order to set color correction information as the information for correcting a color of each pixel of the projection section. This technology may be applied to electronic equipment having the functions of both a projector and a camera, or to a computer for controlling such electronic equipment.Type: ApplicationFiled: January 4, 2019Publication date: May 9, 2019Applicant: SONY CORPORATIONInventor: Hiromasa NAGANUMA
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Patent number: 10218949Abstract: There is provided an information processing apparatus, an information processing method, and a program for reducing any drop in the accuracy of color correction, the information processing apparatus using a captured image captured by a calibrated imaging section imaging a projected image projected to a projection plane by a calibrated projection section in order to set color correction information as the information for correcting a color of each pixel of the projection section. This technology may be applied to electronic equipment having the functions of both a projector and a camera, or to a computer for controlling such electronic equipment.Type: GrantFiled: June 24, 2016Date of Patent: February 26, 2019Assignee: SONY CORPORATIONInventor: Hiromasa Naganuma
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Publication number: 20180160086Abstract: There is provided an information processing apparatus, an information processing method, and a program for reducing any drop in the accuracy of color correction, the information processing apparatus using a captured image captured by a calibrated imaging section imaging a projected image projected to a projection plane by a calibrated projection section in order to set color correction information as the information for correcting a color of each pixel of the projection section. This technology may be applied to electronic equipment having the functions of both a projector and a camera, or to a computer for controlling such electronic equipment.Type: ApplicationFiled: June 24, 2016Publication date: June 7, 2018Applicant: SONY CORPORATIONInventor: Hiromasa NAGANUMA
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Publication number: 20180115754Abstract: The present technology relates to an image processing apparatus and a method capable of performing calibration of a correction amount in brightness correction more easily. The image processing apparatus according to the present technology performs blending calculation for correcting brightness of an image in accordance with a distance from a projection unit configured to project the image to a projection surface onto which the image is projected, and in accordance with a characteristic of the projection unit. The present technology can be applied, for example, to a projector, a camera, or an electronic apparatus including both function of a projector and a camera, a computer that controls these, and to a system in which an apparatuses having a projector and a camera are operating in cooperation.Type: ApplicationFiled: December 21, 2017Publication date: April 26, 2018Inventor: HIROMASA NAGANUMA
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Patent number: 9883153Abstract: The present technology relates to an image processing apparatus and a method capable of performing calibration of a correction amount in brightness correction more easily. The image processing apparatus according to the present technology performs blending calculation for correcting brightness of an image in accordance with a distance from a projection unit configured to project the image to a projection surface onto which the image is projected, and in accordance with a characteristic of the projection unit. The present technology can be applied, for example, to a projector, a camera, or an electronic apparatus including both function of a projector and a camera, a computer that controls these, and to a system in which an apparatuses having a projector and a camera are operating in cooperation.Type: GrantFiled: June 17, 2015Date of Patent: January 30, 2018Assignee: SONY CORPORATIONInventor: Hiromasa Naganuma
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Patent number: 9646202Abstract: An image processing system and method of operation includes: a source image having source pixels; homogeneous blocks in the source image having a block color; a homogeneous region in the source image formed by merging the homogeneous blocks having the block color within a color threshold; a text background region having text pixels and background pixels in the homogeneous region with the text background region having a texture feature above a texture threshold and a region size above a region size threshold; and a binary text mask representing the text pixels and the background pixels for displaying on a device.Type: GrantFiled: January 16, 2015Date of Patent: May 9, 2017Assignee: Sony CorporationInventors: Golnaz Abdollahian, Alexander Berestov, Hiromasa Naganuma, Hiroshige Okamoto
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Publication number: 20170127027Abstract: The present technology relates to an image processing apparatus and a method capable of performing calibration of a correction amount in brightness correction more easily. The image processing apparatus according to the present technology performs blending calculation for correcting brightness of an image in accordance with a distance from a projection unit configured to project the image to a projection surface onto which the image is projected, and in accordance with a characteristic of the projection unit. The present technology can be applied, for example, to a projector, a camera, or an electronic apparatus including both function of a projector and a camera, a computer that controls these, and to a system in which an apparatuses having a projector and a camera are operating in cooperation.Type: ApplicationFiled: June 17, 2015Publication date: May 4, 2017Inventor: HIROMASA NAGANUMA
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Patent number: 9582727Abstract: A text recognition system and method of operation thereof including: a storage unit for storing a text unit; and a processing unit, connected to the storage unit, the processing unit including: a communication interface for receiving the text unit, a feature detection module for determining an isolated feature of the text unit, an angle detection module for determining angle features of the text unit, a feature vector module for generating a feature vector for the text unit based on the isolated feature and the angle features, and a text recognition module for determining recognized text using the feature vector for display on a display interface.Type: GrantFiled: January 16, 2015Date of Patent: February 28, 2017Assignee: SONY CORPORATIONInventors: Golnaz Abdollahian, Alexander Berestov, Hiromasa Naganuma, Hiroshige Okamoto
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Publication number: 20160210523Abstract: An image processing system and method of operation includes: a source image having source pixels; homogeneous blocks in the source image having a block color; a homogeneous region in the source image formed by merging the homogeneous blocks having the block color within a color threshold; a text background region having text pixels and background pixels in the homogeneous region with the text background region having a texture feature above a texture threshold and a region size above a region size threshold; and a binary text mask representing the text pixels and the background pixels for displaying on a device.Type: ApplicationFiled: January 16, 2015Publication date: July 21, 2016Inventors: Golnaz Abdollahian, Alexander Berestov, Hiromasa Naganuma, Hiroshige Okamoto
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Publication number: 20160210522Abstract: A text recognition system and method of operation thereof including: a storage unit for storing a text unit; and a processing unit, connected to the storage unit, the processing unit including: a communication interface for receiving the text unit, a feature detection module for determining an isolated feature of the text unit, an angle detection module for determining angle features of the text unit, a feature vector module for generating a feature vector for the text unit based on the isolated feature and the angle features, and a text recognition module for determining recognized text using the feature vector for display on a display interface.Type: ApplicationFiled: January 16, 2015Publication date: July 21, 2016Inventors: Golnaz Abdollahian, Alexander Berestov, Hiromasa Naganuma, Hiroshige Okamoto
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Patent number: 8401322Abstract: There is provided an image recording device, including: a highly-gradating unit for highly-gradating an input image having a first gradation depth, thereby generating a high gradation image having a second gradation depth higher than the first gradation depth; an image quantizing unit for quantizing the high gradation image generated by the highly-gradating unit such that a quantization error is modulated into a band with relatively low sensitivity of human visual characteristics, thereby generating a recording target image having a third gradation depth lower than the second gradation depth; an encoding unit for encoding the recording target image generated by the quantizing unit; and a recording unit for recording the recording target image encoded by the encoding unit in a recording medium.Type: GrantFiled: June 16, 2010Date of Patent: March 19, 2013Assignee: Sony CorporationInventors: Toshimichi Hamada, Masashi Ota, Kiyoshi Ikeda, Hiromasa Naganuma, Yoichi Hirota
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Patent number: 8363167Abstract: An information processing apparatus includes: a processing system performing processing on an original image; and a gradation conversion section having a gradation conversion function of receiving image data from the processing system, converting a number of bits of the image data, and expressing pseudo grayscales before the gradation conversion in a grayscale converted image, the gradation conversion section being capable of changing the gradation conversion function and performing conversion processing on the image, wherein the gradation conversion section adds and outputs a determination flag indicating whether the gradation conversion processing has been performed at the time of outputting the image data.Type: GrantFiled: October 21, 2009Date of Patent: January 29, 2013Assignee: Sony CorporationInventors: Masashi Ota, Toshimichi Hamada, Kiyoshi Ikeda, Hiromasa Naganuma, Yoichi Hirota, Naomasa Takahashi
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Patent number: 8244093Abstract: A video signal processing device including a specification information obtaining unit for obtaining specification information indicating specifications of a monitor connected to a digital video output terminal, a selecting operation receiving-unit for receiving a user selecting operation for selecting a type of analog video output terminal for a monitor connected to the analog video output terminal, a setting operation receiving unit for receiving a user setting operation for prioritizing one of the specification information obtained by the specification information obtaining unit and the user selecting operation received by the selecting operation receiving unit, and a determining unit for determining a resolution of a video signal to be output on a basis of the specification information obtained by the specification information obtaining unit, the user selecting operation received by the selecting operation receiving unit, and the user setting operation received by the setting operation receiving unit.Type: GrantFiled: April 27, 2006Date of Patent: August 14, 2012Assignee: Sony CorporationInventors: Hiromasa Naganuma, Hiroshi Kobayashi, Takuma Morita
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Publication number: 20110019931Abstract: There is provided an image recording device, including: a highly-gradating unit for highly-gradating an input image having a first gradation depth, thereby generating a high gradation image having a second gradation depth higher than the first gradation depth; an image quantizing unit for quantizing the high gradation image generated by the highly-gradating unit such that a quantization error is modulated into a band with relatively low sensitivity of human visual characteristics, thereby generating a recording target image having a third gradation depth lower than the second gradation depth; an encoding unit for encoding the recording target image generated by the quantizing unit; and a recording unit for recording the recording target image encoded by the encoding unit in a recording medium.Type: ApplicationFiled: June 16, 2010Publication date: January 27, 2011Applicant: Sony CorporationInventors: Toshimichi HAMADA, Masashi Ota, Kiyoshi Ikeda, Hiromasa Naganuma, Yoichi Hirota
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Publication number: 20100110301Abstract: An information processing apparatus includes: a processing system performing processing on an original image; and a gradation conversion section having a gradation conversion function of receiving image data from the processing system, converting a number of bits of the image data, and expressing pseudo grayscales before the gradation conversion in a grayscale converted image, the gradation conversion section being capable of changing the gradation conversion function and performing conversion processing on the image, wherein the gradation conversion section adds and outputs a determination flag indicating whether the gradation conversion processing has been performed at the time of outputting the image data.Type: ApplicationFiled: October 21, 2009Publication date: May 6, 2010Applicant: SONY CORPORATIONInventors: Masashi Ota, Toshimichi Hamada, Kiyoshi Ikeda, Hiromasa Naganuma, Yoichi Hirota, Naomasa Takahashi
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Publication number: 20100104211Abstract: An image processing apparatus includes: ?? modulation means for applying ?? modulation to an image; analog conversion means for converting a signal of the image, whose gradation is converted by the ?? modulation means, into an analog signal; digital output means for outputting a digital signal of the image after gradation conversion; and analog output means for outputting an analog signal of the image after gradation conversion. The ?? modulation means includes arithmetic means for filtering a quantization error; adding means for adding a pixel value of the image and output of the arithmetic means; quantization means for quantizing output of the adding means and outputting a quantized value; and subtracting means for calculating a difference between the output of the adding means and the quantized value. A filter coefficient for the filtering corresponding to the analog output is determined according to a frequency characteristic of the analog conversion means.Type: ApplicationFiled: October 13, 2009Publication date: April 29, 2010Applicant: Sony CorporationInventors: Yoichi Hirota, Kiyoshi Ikeda, Masashi Ota, Toshimichi Hamada, Hiromasa Naganuma, Makoto Tsukamoto
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Publication number: 20100079483Abstract: An image processing apparatus prevents the inappropriate application of error diffusion and adaptively applies palette conversion functions according to the properties of the source. A processing subsystem performs various processing with respect to an original video source. A palette converter converts the palette bit depth, having modifiable palette conversion functions for creating the illusion of expressing the pre-conversion palette tones in the post-conversion image. A controller turns on the palette converter, turns off the palette converter, or modifies the palette conversion functions thereof, in accordance with at least original source information and system-wide settings information.Type: ApplicationFiled: September 24, 2009Publication date: April 1, 2010Applicant: Sony CorporationInventors: Hiromasa Naganuma, Masashi Ota, Toshimichi Hamada, Kiyoshi Ikeda, Yoichi Hirota, Naomasa Takahashi
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Publication number: 20070116130Abstract: An apparatus is provided for encoding input moving picture signals using a 2-pass variable bit rate system.Type: ApplicationFiled: September 7, 2006Publication date: May 24, 2007Applicant: Sony CorporationInventors: Tadahito Koizumi, Masashi Ohta, Masami Tomita, Hiromasa Naganuma, Kiyoshi Ikeda, Takashi Karimoto