Patents by Inventor Satoru Kuma
Satoru Kuma 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: 11995873Abstract: The present disclosure relates to an image processing apparatus and an image processing method each capable of reducing image quality deterioration. A connection component constituted by points that are included in a point group representing a three-dimensional structure, located adjacent to each other, and projected in an identical direction is projected on a two-dimensional plane in a plurality of directions to generate patches in the respective directions. A frame image where the generated patches in the respective directions are arranged is coded. For example, the present disclosure is applicable to an information processing apparatus, an image processing apparatus, an electronic apparatus, an information processing method, a program, or the like.Type: GrantFiled: December 13, 2019Date of Patent: May 28, 2024Assignee: SONY GROUP CORPORATIONInventors: Satoru Kuma, Ohji Nakagami, Koji Yano, Tsuyoshi Kato
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Patent number: 11991348Abstract: The present disclosure relates to an information processing device and a method capable of suppressing a reduction in encoding efficiency of point cloud data. As for a point cloud representing an object having a three-dimensional shape as a point group, position information of a point to be processed is predicted on the basis of position information of a reference point, position information of a prediction point is generated, a difference between the generated position information of the prediction point and the position information of the point to be processed is derived, the derived difference is encoded, and a bitstream is generated. The present disclosure may be applied to, for example, an information processing device, an electronic device, an information processing method, a program or the like.Type: GrantFiled: June 11, 2020Date of Patent: May 21, 2024Assignee: SONY GROUP CORPORATIONInventors: Koji Yano, Hiroyuki Yasuda, Tsuyoshi Kato, Satoru Kuma, Ohji Nakagami
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Publication number: 20240129529Abstract: There is provided an image processing device and method capable of suppressing an increase in the amount of coding. A spraying attribute projection image, which is used for spraying for adding an attribute to a geometry in the reconstruction of 3D data in a three-dimensional space, is generated by projecting an attribute of 3D data representing an object in a three-dimensional shape onto a two-dimensional plane independently of the projection of the geometry of the 3D data onto the two-dimensional plane, and coding is performed on a frame image in which the spraying attribute projection image is disposed. The present disclosure can be applied to, for example, an image processing device, an electronic device, an image processing method, or a program or the like.Type: ApplicationFiled: January 19, 2022Publication date: April 18, 2024Applicant: Sony Group CorporationInventors: Kao HAYASHI, Satoru KUMA, Ohji NAKAGAMI, Tsuyoshi KATO, Koji YANO
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Publication number: 20240129555Abstract: The present disclosure relates to an image processing apparatus and a method that enable decoding of encoded data of an octree in various processing orders. The octree corresponding to point cloud data is encoded after the context is initialized for each layer of the octree. Further, a breadth-first order or a depth-first order is selected as the decoding order for the encoded data of the octree corresponding to point cloud data, and the encoded data is decoded in the selected decoding order. The present disclosure can be applied to an image processing apparatus, an electronic apparatus, an image processing method, a program, or the like, for example.Type: ApplicationFiled: December 27, 2023Publication date: April 18, 2024Inventors: KOJI YANO, TSUYOSHI KATO, SATORU KUMA, OHJI NAKAGAMI
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Patent number: 11948337Abstract: The present disclosure relates to image processing apparatus and method that can prevent a reduction in image quality. Geometry data that is a frame image having arranged thereon a projected image obtained by projecting 3D data representing a three-dimensional structure on a two-dimensional plane and includes a special value indicating occupancy map information in a range is generated. The generated geometry data is encoded. Further, the encoded data on the geometry data is decoded, and a depth value indicating a position of the 3D data and the occupancy map information are extracted from the decoded geometry data. The present disclosure is applicable to, for example, an information processing apparatus, an image processing apparatus, electronic equipment, an information processing method, or a program.Type: GrantFiled: September 17, 2019Date of Patent: April 2, 2024Assignee: SONY CORPORATIONInventors: Satoru Kuma, Ohji Nakagami, Hiroyuki Yasuda, Koji Yano, Tsuyoshi Kato
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Patent number: 11943457Abstract: There is provided an information processing apparatus, an image processing apparatus, an encoding device, a decoding device, an information processing method, and a program that facilitate scalable decoding of attribute information. Regarding the attribute information about a point cloud representing a three-dimensional object, a process of classifying the respective points of the point cloud into prediction points that are the points at which difference values between the attribute information and predicted values are left, and reference points that are the points at which the attribute information is referred to during derivation of the predicted values is recursively repeated on the reference points, so that the attribute information is hierarchized.Type: GrantFiled: March 5, 2020Date of Patent: March 26, 2024Assignee: SONY GROUP CORPORATIONInventors: Tsuyoshi Kato, Satoru Kuma, Ohji Nakagami, Hiroyuki Yasuda, Koji Yano
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Patent number: 11922579Abstract: There is provided an image processing apparatus and an image processing method that are capable of suppressing an increase in loads when a point cloud is generated from a mesh. Point cloud data is generated by positioning points at intersection points between a surface of a mesh and vectors each including, as a start origin, position coordinates corresponding to a specified resolution. For example, intersection determination is performed between the surface of the mesh and each of the vectors, and in a case where the surface and the vector are determined to intersect each other, the coordinates of the intersection point are calculated. The present disclosure can be applied to an image processing apparatus, electronic equipment, an image processing method, a program, or the like.Type: GrantFiled: December 21, 2022Date of Patent: March 5, 2024Assignee: SONY CORPORATIONInventors: Ohji Nakagami, Koji Yano, Satoru Kuma, Tsuyoshi Kato, Hiroyuki Yasuda
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Patent number: 11917201Abstract: The present disclosure relates to an information processing apparatus and an information generation method that enable suppression of deterioration in subjective quality of a point cloud. There is generated an occupancyMap indicating, for each local area of a frame image, presence or absence of a projection image of a point cloud on a two-dimensional plane in accordance with a positional relationship of points in a three-dimensional space, while the point cloud represents an object having a three-dimensional shape as a set of the points. The present disclosure can be applied to, for example, an information processing apparatus, an encoding device, a decoding device, or the like.Type: GrantFiled: December 24, 2019Date of Patent: February 27, 2024Assignee: SONY GROUP CORPORATIONInventors: Satoru Kuma, Ohji Nakagami, Tsuyoshi Kato, Koji Yano
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Patent number: 11915390Abstract: There is provided an image processing device and a method capable of suppressing lowering of image quality. Correction information that is information regarding correction of 3D data representing a three-dimensional structure constructed using 2D data representing a two-dimensional image is generated, and the generated correction information is coded. Furthermore, coded data of correction information that is information regarding correction of 3D data representing a three-dimensional structure constructed using 2D data representing a two-dimensional image is decoded, and 3D data is constructed using the 2D data and correction information generated by decoding coded data of the correction information. The present disclosure can be applied to, for example, an information processing device, an image processing device, an electronic apparatus, an information processing method, a program, or the like.Type: GrantFiled: December 24, 2019Date of Patent: February 27, 2024Assignee: SONY GROUP CORPORATIONInventors: Satoru Kuma, Ohji Nakagami, Koji Yano, Tsuyoshi Kato
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Patent number: 11910026Abstract: The present disclosure relates to an image processing apparatus and a method that enable decoding of encoded data of an octree in various processing orders. The octree corresponding to point cloud data is encoded after the context is initialized for each layer of the octree. Further, a breadth-first order or a depth-first order is selected as the decoding order for the encoded data of the octree corresponding to point cloud data, and the encoded data is decoded in the selected decoding order. The present disclosure can be applied to an image processing apparatus, an electronic apparatus, an image processing method, a program, or the like, for example.Type: GrantFiled: September 13, 2019Date of Patent: February 20, 2024Assignee: SONY CORPORATIONInventors: Koji Yano, Tsuyoshi Kato, Satoru Kuma, Ohji Nakagami
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Publication number: 20240056604Abstract: There is provided an information processing apparatus and method that enable attribute data to be decoded more reliably. Nearby point search for setting a reference point to be referred to when deriving a prediction value of attribute data of a processing target node is executed only for a node that is decoded earlier than the processing target node at the time of decoding among nodes of a tree structure in which attribute data of each point of a point cloud expressing an object having a three-dimensional shape as a set of points is a node and slices serving as node groups that can be encoded independently of each other are formed. The present disclosure can be applied to, for example, an information processing apparatus, an encoding apparatus, a decoding apparatus, an electronic device, an information processing method, or a program.Type: ApplicationFiled: December 14, 2021Publication date: February 15, 2024Applicant: Sony Group CorporationInventors: Satoru KUMA, Ohji NAKAGAMI
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Publication number: 20230377100Abstract: A filter process is performed on point cloud data using a representative value of the point cloud data for each local region obtained by dividing a three-dimensional space. A two-dimensional plane image on which the point cloud data subjected to the filter process is projected is encoded, and a bitstream is generated. The present disclosure can be applied to, for example, an information processing apparatus, an image processing apparatus, electronic equipment, an information processing method, a program, or the like.Type: ApplicationFiled: July 14, 2023Publication date: November 23, 2023Applicant: Sony Group CorporationInventors: Koji YANO, Tsuyoshi KATO, Satoru KUMA, Ohji NAKAGAMI
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Publication number: 20230370636Abstract: There is provided an image processing device and a method that enables the number of attributes corresponding to a single geometry to be variable in a time direction. An attribute video frame that is a video frame in which a patch obtained by projecting each of a plurality of attributes to a two-dimensional plane for each partial region is arranged is generated, the plurality of attributes corresponding to a single geometry of a point cloud that expresses an object with a three-dimensional shape as a group of points, the generated attribute video frame for each attribute is coded, and attribute information that is information indicating the generated attribute video frames corresponding to the same timing is generated. The present disclosure can be applied to, for example, an image processing device, electronic equipment, an image processing method, a program, or the like.Type: ApplicationFiled: September 24, 2021Publication date: November 16, 2023Applicant: Sony Group CorporationInventors: Kao HAYASHI, Satoru KUMA, Ohji NAKAGAMI
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Publication number: 20230370637Abstract: There is provided an image processing device and method capable of suppressing an increase in amount of code. For example, a patch generation parameter used in patch generation processing for generating a patch of an attribute serving as a processing target by referring to an attribute different from the attribute serving as the processing target is derived for some of a plurality of attributes corresponding to single geometry of a point cloud that expresses an object having a three-dimensional shape as a set of points, the derived patch generation parameter is encoded, and an attribute video frame in which a base patch representing a base attribute that is an attribute different from some of the plurality of attributes has been arranged is encoded. The present disclosure can be applied to, for example, an image processing device, an electronic device, an image processing method, or a program.Type: ApplicationFiled: September 24, 2021Publication date: November 16, 2023Applicant: Sony Group CorporationInventors: Kao HAYASHI, Satoru KUMA, Ohji NAKAGAMI
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Publication number: 20230342981Abstract: There is provided an information processing device and method capable of suppressing an increase in a load of processing for decoding point cloud data. Slice correspondence information that is information indicating a slice of geometry data corresponding to a resolution and a region of a geometry is generated for a point cloud representing an object having a three-dimensional shape as a set of points, and the geometry data and the generated slice correspondence information are encoded so that a bitstream of the geometry is generated. The present disclosure can be applied to, for example, an information processing device, an encoding device, a decoding device, an electronic device, an information processing method, or a program.Type: ApplicationFiled: September 24, 2021Publication date: October 26, 2023Applicant: Sony Group CorporationInventors: Satoru KUMA, Ohji NAKAGAMI
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Publication number: 20230334704Abstract: The present disclosure relates to an information processing apparatus and method capable of reducing a decrease in flexibility in controlling an amount of coding point cloud data. There are formed a reference structure of geometry data in coding of a point cloud that represents a three-dimensional object as a set of points, corrected the geometry data so that a coding amount decreases, derived, on the basis of the formed reference structure, a predicted value of the corrected geometry data, derived a predictive residual that is a difference between the geometry data and the predicted value, and coded the derived predictive residual. The present disclosure can be applied to, for example, an information processing apparatus, an image processing apparatus, a coding apparatus, an electronic device, an information processing method, a program, or the like.Type: ApplicationFiled: August 12, 2021Publication date: October 19, 2023Inventors: SATORU KUMA, OHJI NAKAGAMI
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Patent number: 11790602Abstract: The present disclosure relates to an information processing device and method capable of curbing coding efficiency reduction. On the basis of position information indicating positions of points of a point cloud in units of first regions, for each second region composed of a plurality of first regions, a neighboring pattern of each first region including the points is specified by identifying whether or not each neighboring region adjacent to a processing target region includes the points or is positioned outside the second region including the processing target region, a context is selected according to the specified neighboring pattern, and the position information is coded using the selected context. The present disclosure can be applied to, for example, an information processing device, an image processing device, a coding device, a decoding device, an electronic apparatus, an information processing method, a program, or the like.Type: GrantFiled: July 30, 2020Date of Patent: October 17, 2023Assignee: SONY GROUP CORPORATIONInventors: Koji Yano, Tsuyoshi Kato, Satoru Kuma, Ohji Nakagami, Hiroyuki Yasuda
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Patent number: 11790567Abstract: The present disclosure relates to an information processing apparatus and method that are capable of suppressing a decrease in encoding efficiency. When point cloud data is to be Octree-encoded, a point distribution of child nodes of a current node is updated in accordance with a peripheral point distribution around the current node, and then a sequence of signals is generated by performing Octree encoding with the updated point distribution. The present disclosure is applicable, for example, to information processing apparatuses, image processing apparatuses, electronic equipment, information processing methods, or programs.Type: GrantFiled: March 28, 2019Date of Patent: October 17, 2023Assignee: SONY CORPORATIONInventors: Ohji Nakagami, Koji Yano, Satoru Kuma, Tsuyoshi Kato
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Publication number: 20230316582Abstract: There is provided an information processing apparatus and method that enable easier control of an information amount of point cloud data. A reference structure of geometry data in encoding of a point cloud is formed, in which the reference structure is layered according to groups into which points of the point cloud representing a three-dimensional shaped object as a set of the points are classified. On the basis of the formed reference structure, for each point, a prediction value of the geometry data is derived, and a prediction residual that is a difference between the geometry data and the prediction value is derived. The derived prediction residual of the geometry data of each point is encoded. The present disclosure can be applied to, for example, an information processing apparatus, an image processing apparatus, an encoding device, a decoding device, an electronic device, an information processing method, a program, or the like.Type: ApplicationFiled: June 16, 2021Publication date: October 5, 2023Applicant: SONY GROUP CORPORATIONInventors: Satoru KUMA, Hiroyuki YASUDA, Ohji NAKAGAMI
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Publication number: 20230298214Abstract: 3D data representing a three-dimensional structure is divided into a plurality of pieces and encoded, an obtained plurality of divided bitstreams is multiplexed, and one bitstream including a separator indicating a position of a joint between the divided bitstreams is generated. Furthermore, a separator indicating a position of a joint between divided bitstreams obtained by dividing 3D data representing a three-dimensional structure into a plurality of pieces and encoding the plurality of divided pieces of the 3D data, which is included in a bitstream obtained by multiplexing a plurality of the divided bitstreams, is analyzed, and the bitstream is divided into every divided bitstream on the basis of information included in the analyzed separator, and decoded. Applications of the technology include being implemented in, for example, an information processing apparatus, an image processing apparatus, electronic equipment, an information processing method, a program, or the like.Type: ApplicationFiled: April 25, 2023Publication date: September 21, 2023Applicant: Sony Group CorporationInventors: Ohji NAKAGAMI, Koji YANO, Satoru KUMA, Tsuyoshi KATO