Patents by Inventor Yoshitaka Morigami
Yoshitaka Morigami 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: 10582202Abstract: An image processing device including processing circuitry that performs horizontal filtering determination processes in parallel across a plurality of vertical block boundaries among a plurality of 8×8 blocks within a locally decoded image. The processing circuitry is configured to apply in parallel a horizontal filter to pixels neighboring the plurality of vertical block boundaries within the locally decoded image to which the horizontal filter is determined to be applied by the horizontal filtering determination processes to generate a first filtered image, perform vertical filtering determination processes in parallel across a plurality of horizontal block boundaries among the plurality of 8×8 blocks within the first filtered image, apply in parallel the vertical filter to the pixels neighboring the horizontal block boundaries within the first filtered image to generate a second filtered image, and encode an image using the second filtered image to generate an encoded stream.Type: GrantFiled: April 23, 2019Date of Patent: March 3, 2020Assignee: Sony CorporationInventors: Masaru Ikeda, Junichi Tanaka, Yoshitaka Morigami
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Patent number: 10574990Abstract: An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient used to replace a coefficient located at the beginning of the quantization matrix and the coefficient located at the beginning of the quantization matrix to the coefficient located at the beginning of the quantization matrix; up-converts the set quantization matrix; and dequantizes quantized data using an up-converted quantization matrix in which a coefficient located at the beginning of the up-converted quantization matrix has been replaced with the replacement coefficient. The device and method can be applied to an image processing device.Type: GrantFiled: May 6, 2019Date of Patent: February 25, 2020Assignee: SONY CORPORATIONInventors: Junichi Tanaka, Yoshitaka Morigami
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Patent number: 10560697Abstract: The present disclosure relates to an image processing device and method that enable suppression of an increase in the amount of coding of a quantization matrix. An image processing device of the present disclosure includes an up-conversion unit configured to up-convert a quantization matrix limited to a size less than or equal to a transmission size that is a maximum size allowed for transmission, from the transmission size to a size that is identical to a block size that is a processing unit of quantization or dequantization. The present disclosure is applicable to, for example, an image processing device for processing image data.Type: GrantFiled: September 21, 2018Date of Patent: February 11, 2020Assignee: Sony CorporationInventors: Junichi Tanaka, Ohji Nakagami, Yoshitaka Morigami
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Publication number: 20200045314Abstract: An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient used to replace a coefficient located at the beginning of the quantization matrix and the coefficient located at the beginning of the quantization matrix to the coefficient located at the beginning of the quantization matrix; up-converts the set quantization matrix; and dequantizes quantized data using an up-converted quantization matrix in which a coefficient located at the beginning of the up-converted quantization matrix has been replaced with the replacement coefficient. The device and method can be applied to an image processing device.Type: ApplicationFiled: October 15, 2019Publication date: February 6, 2020Applicant: Sony CorporationInventors: Junichi TANAKA, Yoshitaka MORIGAMI
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Patent number: 10477207Abstract: There is provided an image processing apparatus and an image processing method which are capable of reducing a processing amount of a cost calculation, the image processing apparatus including: a filter processing section configured to perform a filter process of applying an offset to a pixel of a decoded image that is decoded; and a control unit configured to control a mode used when the filter process is performed and an offset for the mode according to an encoding parameter used when an image is encoded.Type: GrantFiled: March 18, 2015Date of Patent: November 12, 2019Assignee: SONY CORPORATIONInventors: Yoshitaka Morigami, Takefumi Nagumo, Junichi Tanaka, Hironari Sakurai
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Patent number: 10404985Abstract: An image processing device and method that enable suppression of a reduction in coding efficiency. The image processing device dequantizes quantized data generated through decoding, using a default quantization matrix having a same size as a block size that is a unit of processing in which dequantization is performed, when in a copy mode in which a quantization matrix is copied, quantization matrix reference data identifying a reference destination of the quantization matrix matches quantization matrix identification data identifying the quantization matrix. The device and method can be applied to an image processing device.Type: GrantFiled: January 28, 2019Date of Patent: September 3, 2019Assignee: Sony CorporationInventors: Junichi Tanaka, Yoshitaka Morigami
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Publication number: 20190261021Abstract: An image processing device including a decoding section configured to decode an image from an encoded stream, a horizontal filtering section configured to apply a deblocking filter to a vertical block boundary within an image to be decoded by the decoding section, a vertical filtering section configured to apply a deblocking filter to a horizontal block boundary within an image to be decoded by the decoding section, and a control section configured to cause the horizontal filtering section to filter in parallel a plurality of vertical block boundaries included in a processing unit containing a plurality of coding units and cause the vertical filtering section to filter in parallel a plurality of horizontal block boundaries included in the processing unit.Type: ApplicationFiled: May 6, 2019Publication date: August 22, 2019Applicant: Sony CorporationInventors: Masaru IKEDA, Junichi TANAKA, Yoshitaka MORIGAMI
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Publication number: 20190260993Abstract: An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient used to replace a coefficient located at the beginning of the quantization matrix and the coefficient located at the beginning of the quantization matrix to the coefficient located at the beginning of the quantization matrix; up-converts the set quantization matrix; and dequantizes quantized data using an up-converted quantization matrix in which a coefficient located at the beginning of the up-converted quantization matrix has been replaced with the replacement coefficient. The device and method can be applied to an image processing device.Type: ApplicationFiled: May 6, 2019Publication date: August 22, 2019Applicant: Sony CorporationInventors: Junichi TANAKA, Yoshitaka MORIGAMI
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Publication number: 20190253721Abstract: An image processing device including processing circuitry that performs horizontal filtering determination processes in parallel across a plurality of vertical block boundaries among a plurality of 8×8 blocks within a locally decoded image. The processing circuitry is configured to apply in parallel a horizontal filter to pixels neighboring the plurality of vertical block boundaries within the locally decoded image to which the horizontal filter is determined to be applied by the horizontal filtering determination processes to generate a first filtered image, perform vertical filtering determination processes in parallel across a plurality of horizontal block boundaries among the plurality of 8×8 blocks within the first filtered image, apply in parallel the vertical filter to the pixels neighboring the horizontal block boundaries within the first filtered image to generate a second filtered image, and encode an image using the second filtered image to generate an encoded stream.Type: ApplicationFiled: April 23, 2019Publication date: August 15, 2019Applicant: SONY CORPORATIONInventors: Masaru IKEDA, Junichi TANAKA, Yoshitaka MORIGAMI
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Patent number: 10362318Abstract: An image processing device including processing circuitry that perform horizontal filtering determination processes in parallel across a plurality of vertical block boundaries among a plurality of 8x8 blocks within a locally decoded image. The processing circuitry is configured to apply in parallel a horizontal filter to pixels neighboring the plurality of vertical block boundaries within the locally decoded image to which the horizontal filter is determined to be applied by the horizontal filtering determination processes to generate a first filtered image, perform vertical filtering determination processes in parallel across a plurality of horizontal block boundaries among the plurality of 8x8 blocks within the first filtered image, apply in parallel the vertical filter to the pixels neighboring the horizontal block boundaries within the first filtered image to generate a second filtered image, and encode an image using the second filtered image to generate an encoded stream.Type: GrantFiled: February 22, 2018Date of Patent: July 23, 2019Assignee: SONY CORPORATIONInventors: Masaru Ikeda, Junichi Tanaka, Yoshitaka Morigami
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Patent number: 10349053Abstract: An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient used to replace a coefficient located at the beginning of the quantization matrix and the coefficient located at the beginning of the quantization matrix to the coefficient located at the beginning of the quantization matrix; up-converts the set quantization matrix; and dequantizes quantized data using an up-converted quantization matrix in which a coefficient located at the beginning of the up-converted quantization matrix has been replaced with the replacement coefficient. The device and method can be applied to an image processing device.Type: GrantFiled: February 1, 2018Date of Patent: July 9, 2019Assignee: SONY CORPORATIONInventors: Junichi Tanaka, Yoshitaka Morigami
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Patent number: 10334279Abstract: An image processing device including a decoding section configured to decode an image from an encoded stream, a horizontal filtering section configured to apply a deblocking filter to a vertical block boundary within an image to be decoded by the decoding section, a vertical filtering section configured to apply a deblocking filter to a horizontal block boundary within an image to be decoded by the decoding section, and a control section configured to cause the horizontal filtering section to filter in parallel a plurality of vertical block boundaries included in a processing unit containing a plurality of coding units and cause the vertical filtering section to filter in parallel a plurality of horizontal block boundaries included in the processing unit.Type: GrantFiled: April 4, 2018Date of Patent: June 25, 2019Assignee: SONY CORPORATIONInventors: Masaru Ikeda, Junichi Tanaka, Yoshitaka Morigami
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Publication number: 20190174129Abstract: An image processing device and method that enable suppression of a reduction in coding efficiency. The image processing device dequantizes quantized data generated through decoding, using a default quantization matrix having a same size as a block size that is a unit of processing in which dequantization is performed, when in a copy mode in which a quantization matrix is copied, quantization matrix reference data identifying a reference destination of the quantization matrix matches quantization matrix identification data identifying the quantization matrix. The device and method can be applied to an image processing device.Type: ApplicationFiled: January 28, 2019Publication date: June 6, 2019Applicant: Sony CorporationInventors: Junichi TANAKA, Yoshitaka MORIGAMI
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Publication number: 20190132590Abstract: There is provided an image processing device and method capable of suppressing a decrease in subjective image quality. A size of a current block for a prediction process is set according to a size of a peripheral block situated on a periphery of the current block. The prediction process is to generate a predicted image of an image to be encoded. An intra prediction process is performed on the current block that has been set and the predicted image is generated. The image to be encoded is encoded using the predicted image that has been generated. The present disclosure can be applied to, for example, an image processing device, an image encoding device, or an image decoding device.Type: ApplicationFiled: May 25, 2017Publication date: May 2, 2019Applicant: SONY CORPORATIONInventors: Yoshitaka MORIGAMI, Shuo LU, Takefumi NAGUMO
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Patent number: 10277898Abstract: An image processing device and method that enable suppression of a reduction in coding efficiency. The image processing device dequantizes quantized data generated through decoding, using a default quantization matrix having a same size as a block size that is a unit of processing in which dequantization is performed, when in a copy mode in which a quantization matrix is copied, quantization matrix reference data identifying a reference destination of the quantization matrix matches quantization matrix identification data identifying the quantization matrix. The device and method can be applied to an image processing device.Type: GrantFiled: February 28, 2013Date of Patent: April 30, 2019Assignee: SONY CORPORATIONInventors: Junichi Tanaka, Yoshitaka Morigami
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Patent number: 10264258Abstract: The present disclosure relates to an image processing device and method that enable suppression of an increase in the amount of coding of a scaling list.Type: GrantFiled: December 5, 2017Date of Patent: April 16, 2019Assignee: Sony CorporationInventors: Junichi Tanaka, Yoshitaka Morigami
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Patent number: 10225553Abstract: The present disclosure relates to an image processing device and method that enable suppression of an increase in the amount of coding of a scaling list.Type: GrantFiled: December 4, 2017Date of Patent: March 5, 2019Assignee: SONY CORPORATIONInventors: Junichi Tanaka, Yoshitaka Morigami
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Publication number: 20190028708Abstract: The present disclosure relates to an image processing device and method that enable suppression of an increase in the amount of coding of a quantization matrix. An image processing device of the present disclosure includes an up-conversion unit configured to up-convert a quantization matrix limited to a size less than or equal to a transmission size that is a maximum size allowed for transmission, from the transmission size to a size that is identical to a block size that is a processing unit of quantization or dequantization. The present disclosure is applicable to, for example, an image processing device for processing image data.Type: ApplicationFiled: September 21, 2018Publication date: January 24, 2019Applicant: Sony CorporationInventors: Junichi Tanaka, Ohji Nakagami, Yoshitaka Morigami
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Patent number: 10142634Abstract: The present disclosure relates to an image processing device and a method capable of suppressing the reduction of an image quality due to encoding/decoding. The image processing device includes: a quantization unit that when orthogonal transform processing is skipped with respect to a current block, quantizes all components of the current block using one weighting coefficient and when the orthogonal transform processing is performed on the current block, quantizes each component of the current block using a quantization matrix; an encoding unit that encodes the coefficient of the current block which is quantized by the quantization unit; and a transmission unit that transmits the coded data of the current block which is obtained by being encoded by the encoding unit. The present disclosure can be applied to, for example, an image processing device.Type: GrantFiled: December 28, 2017Date of Patent: November 27, 2018Assignee: SONY CORPORATIONInventors: Kazushi Sato, Yoshitaka Morigami, Shuo Lu
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Publication number: 20180338156Abstract: [Object] To realize a motion compensation method that is more suitable for parallel processing of multiple chips. [Solution] Provided is an image processing apparatus including: an inter-prediction section that generates a set of reference pixels of fractional pixel positions from a reference image for motion compensation and searches an image to be encoded for a motion vector by using the set of generated reference pixels; and an encoding section that encodes the image to be encoded on a basis of a result of searching for the motion vector by the inter-prediction section. The inter-prediction section includes a reference pixel at a fractional pixel position further inward than a first predetermined distance from a boundary of a partial region corresponding to a slice or a tile, in the set of reference pixels that are used for searching the partial region for a motion vector.Type: ApplicationFiled: August 26, 2016Publication date: November 22, 2018Applicant: SONY CORPORATIONInventors: YOSHITAKA MORIGAMI, TAKEFUMI NAGUMO, HIRONARI SAKURAI, SHUO LU