Patents by Inventor Teruhiko Suzuki

Teruhiko Suzuki 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).

  • Encoding device and method, decoding device and method, edition device and method, recording medium, and program
    Patent number: 8537902
    Abstract: The present invention relates to an encoding device and a method, a decoding device and a method, an editing device and a method, a storage medium, and a program which can perform encoding and decoding so that buffer failure does not occur. Information, such as a minimum bit rate, a minimum buffer size, and a minimum initial delay time, is contained in a random access point header contained in an accessible point in a bitstream. A bitstream analyzing unit 72 analyzes an input bitstream, sets the above-mentioned information, and outputs the resulting information to a buffer-information adding unit 73. The buffer-information adding unit 73 adds the input information to the input bitstream and outputs the resulting bitstream. The present invention is applicable to an encoding device and a decoding device which process bitstreams.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: September 17, 2013
    Assignee: Sony Corporation
    Inventor: Teruhiko Suzuki
  • Image signal encoding apparatus and image signal encoding method
    Patent number: 8538181
    Abstract: An encoding method encodes a first image signal of a first view and a second image signal of a second view. The method includes encoding the first image signal to generate a base stream. The method also includes encoding the second image signal to generate a dependent stream, and inserting a dependent delimiter indicating a picture boundary between pictures in the dependent stream at the beginning of a picture in the dependent stream.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: September 17, 2013
    Assignee: Sony Corporation
    Inventors: Teruhiko Suzuki, Shinobu Hattori
  • Coding device and method, decoding device and method, recording medium, and program
    Patent number: 8509312
    Abstract: An encoding apparatus and an encoding method, a decoding apparatus and a decoding method, a recording medium, and a program suitable for encoding image signals with a higher compression ratio for transmission or accumulation. In an arithmetic coding section, from among the syntax elements of input image compression information, the frame/field flag is first encoded by a frame/field flag context model. When the macroblock to be processed is subjected to frame-based encoding, a frame-based context model, specified in the current H.26L standard, is applied. On the other hand, when the macroblock to be processed is subjected to field-based encoding, a field-based context model is applied for the syntax elements described below. The present invention is applied to an encoder for encoding image information and a decoder for decoding image information.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 13, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Teruhiko Suzuki, Osamu Sunohara, Yoichi Yagasaki
  • Coding device and method, decoding device and method, recording medium, and program
    Patent number: 8509311
    Abstract: An encoding apparatus and an encoding method, a decoding apparatus and a decoding method, a recording medium, and a program suitable for encoding image signals with a higher compression ratio for transmission or accumulation. In an arithmetic coding section, from among the syntax elements of input image compression information, the frame/field flag is first encoded by a frame/field flag context model. When the macroblock to be processed is subjected to frame-based encoding, a frame-based context model, specified in the current H.26L standard, is applied. On the other hand, when the macroblock to be processed is subjected to field-based encoding, a field-based context model is applied for the syntax elements described below. The present invention is applied to an encoder for encoding image information and a decoder for decoding image information.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 13, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Teruhiko Suzuki, Osamu Sunohara, Yoichi Yagasaki
  • Image signal decoding apparatus and image signal decoding method
    Patent number: 8503804
    Abstract: A decoding method decodes a base stream generated by encoding a first image signal of a first view and a dependent stream generated by encoding a second image signal of a second view. The method includes detecting, on the basis of a dependent delimiter indicating a picture boundary between pictures in the dependent stream, the picture boundary in the dependent stream configured by inserting the dependent delimiter at the beginning of a picture in the dependent stream. Further, the method includes decoding the base stream and the dependent stream on the basis of the detected picture boundary in the dependent stream.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: August 6, 2013
    Assignee: Sony Corporation
    Inventors: Teruhiko Suzuki, Shinobu Hattori
  • Apparatus and method for coding picture data
    Patent number: 8494045
    Abstract: A coding apparatus for hierarchically (layering) coding top field data and bottom field data divided from each of a plurality of picture data composing a moving picture image has a first coding unit configured to encode one field data between two field data of the top field data and the bottom field data divided from the picture data, a conversion unit configured to interpolate first predicted image data generated by the first coding unit encoding above one field data and generate a second predicted image data of a scanning position of the other field data between the two field data, and a second coding unit configured to encode the other field data between the two field data based on the second predicted image data generated by the conversion unit.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: July 23, 2013
    Assignee: Sony Corporation
    Inventors: Teruhiko Suzuki, Liming Wang, Yoichi Yagasaki
  • Coding device and method, decoding device and method, recording medium, and program
    Patent number: 8488669
    Abstract: An encoding apparatus and an encoding method, a decoding apparatus and a decoding method, a recording medium, and a program suitable for encoding image signals with a higher compression ratio for transmission or accumulation. In an arithmetic coding section, from among the syntax elements of input image compression information, the frame/field flag is first encoded by a frame/field flag context model. When the macroblock to be processed is subjected to frame-based encoding, a frame-based context model, specified in the current H.26L standard, is applied. On the other hand, when the macroblock to be processed is subjected to field-based encoding, a field-based context model is applied for the syntax elements described below. The present invention is applied to an encoder for encoding image information and a decoder for decoding image information.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 16, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Teruhiko Suzuki, Osamu Sunohara, Yoichi Yagasaki
  • Coding device and method, decoding device and method, recording medium, and program
    Patent number: 8483280
    Abstract: An encoding apparatus and an encoding method, a decoding apparatus and a decoding method, a recording medium, and a program suitable for encoding image signals with a higher compression ratio for transmission or accumulation. In an arithmetic coding section, from among the syntax elements of input image compression information, the frame/field flag is first encoded by a frame/field flag context model. When the macroblock to be processed is subjected to frame-based encoding, a frame-based context model, specified in the current H.26L standard, is applied. On the other hand, when the macroblock to be processed is subjected to field-based encoding, a field-based context model is applied for the syntax elements described below. The present invention is applied to an encoder for encoding image information and a decoder for decoding image information.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 9, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Teruhiko Suzuki, Osamu Sunohara, Yoichi Yagasaki
  • Coding device and method, decoding device and method, recording medium, and program
    Patent number: 8477854
    Abstract: An encoding apparatus and an encoding method, a decoding apparatus and a decoding method, a recording medium, and a program suitable for encoding image signals with a higher compression ratio for transmission or accumulation. In an arithmetic coding section, from among the syntax elements of input image compression information, the frame/field flag is first encoded by a frame/field flag context model. When the macroblock to be processed is subjected to frame-based encoding, a frame-based context model, specified in the current H.26L standard, is applied. On the other hand, when the macroblock to be processed is subjected to field-based encoding, a field-based context model is applied for the syntax elements described below. The present invention is applied to an encoder for encoding image information and a decoder for decoding image information.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: July 2, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Teruhiko Suzuki, Osamu Sunohara, Yoichi Yagasaki
  • Image signal decoding apparatus, image signal decoding method, image signal encoding apparatus, image signal encoding method, and program
    Patent number: 8472731
    Abstract: A decoding method decodes a bit stream including a base stream and a dependent stream. The method includes decoding, by identifying a start position of a picture in the base stream based on an access unit delimiter indicating a boundary between access units in the base stream at the beginning of a picture in the base stream, the base stream configured by inserting the access unit delimiter as a NAL unit including nal_unit_type. The method also includes decoding, by identifying a start position of a picture in the dependent stream based on a dependent delimiter indicating a picture boundary between pictures in the dependent stream at the beginning of a picture in the dependent stream, the dependent stream configured by inserting the dependent delimiter as a NAL unit including nal_unit_type with a value which is different from the nal_unit_type of the access unit delimiter.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: June 25, 2013
    Assignee: Sony Corporation
    Inventors: Teruhiko Suzuki, Shinobu Hattori
  • Apparatus and method for coding picture data
    Patent number: 8462844
    Abstract: A coding apparatus for hierarchically (layered data) coding two field data associated with each of a plurality of picture data composing a moving picture image. The coding apparatus comprising: a first coding unit configured to encode one of the two field data; a conversion unit configured to interpolate first predicted image data generated by the first coding unit encoding the one of the two field data and generate second predicted image data of a scanning position of the other field data of the two field data; and a second coding unit configured to encode the other field data of the two field data based on the second predicted image data generated by the conversion unit.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: June 11, 2013
    Assignee: Sony Corporation
    Inventors: Teruhiko Suzuki, Liming Wang, Yoichi Yagasaki
  • Image information encoding method and encoder, and image information decoding method and decoder
    Patent number: 8457209
    Abstract: An image decoding method includes decoding encoded image data to generate a decoded image signal including a luma signal and a chroma signal. The method further includes scaling, when a reference field is a top field while a current field is a bottom field for motion estimation and when the decoded image signal is in a format in which the number of chroma pixels is vertically different from the number of luma pixels, a chroma motion vector of the chroma signal by mv/2+¼, where mv is a vertical component in a luma motion vector of the luma signal. The method also includes performing motion compensation of the decoded image signal using the scaled chroma motion vector.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: June 4, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Osamu Sunohara, Teruhiko Suzuki, Peter Kuhn, Yoichi Yagasaki
  • Apparatus and method for decoding picture data
    Patent number: 8446945
    Abstract: A decoding apparatus for decoding two encoded field data obtained by hierarchically encoding two field data associated with each of a plurality of picture data composing a moving picture image. The decoding apparatus comprising: a first decoding unit configured to decode one of the two encoded field data and obtain information associated with the two encoded field data; a conversion unit configured to interpolate first predicted image data generated by decoding by the first decoding unit according to the information and generate second predicted image data of a scanning position of the other encoded field data of the two encoded field data; and a second decoding unit configured to decode the other encoded field data of the two encoded field data based on the second predicted image data generated by the conversion unit.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: May 21, 2013
    Assignee: Sony Corporation
    Inventors: Teruhiko Suzuki, Liming Wang, Yoichi Yagasaki
  • Image information encoding method and encoder, and image information decoding method and decoder
    Patent number: 8437402
    Abstract: An image decoding method includes decoding encoded image data to generate a decoded image signal including a luma signal and a chroma signal. The method further includes scaling, when a reference field is a bottom field while a current field is a top field for motion estimation and when the decoded image signal is in a format in which the number of chroma pixels is vertically different from the number of luma pixels, a chroma motion vector of the chroma signal by mv/2?¼, where mv is a vertical component in a luma motion vector of the luma signal. The method also includes performing motion compensation of the decoded image signal using the scaled chroma motion vector.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: May 7, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Osamu Sunohara, Teruhiko Suzuki, Peter Kuhn, Yoichi Yagasaki
  • IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
    Publication number: 20130088570
    Abstract: Encoding efficiency in multi-view image encoding is to be increased. A feature amount generation unit (41) generates a feature amount indicating the correlation between images of different viewpoints. Based on the generated feature amount, a reference index assignment unit (45) assigns reference indexes to a reference picture of a parallax prediction that uses the correlation between images of different viewpoints, and to a reference picture of a temporal prediction that uses the correlation between images in the temporal direction. In a case where the correlation is determined to be lower than a predetermined threshold value based on the feature amount, for example, the reference index assignment is changed, and the reference index assigned to a reference picture of a parallax prediction is re-assigned to a reference picture of a temporal prediction.
    Type: Application
    Filed: July 7, 2011
    Publication date: April 11, 2013
    Applicant: Sony Corporation
    Inventors: Yoshitomo Takahashi, Teruhiko Suzuki, Takuya Kitamura
  • Encoding device and method, decoding device and method, edition device and method, recording medium, and program
    Patent number: 8401088
    Abstract: The present invention relates to an encoding device and a method, a decoding device and a method, an editing device and a method, a storage medium, and a program which can perform encoding and decoding so that buffer failure does not occur. Information, such as a minimum bit rate, a minimum buffer size, and a minimum initial delay time, is contained in a random access point header contained in an accessible point in a bitstream. A bitstream analyzing unit 72 analyzes an input bitstream, sets the above-mentioned information, and outputs the resulting information to a buffer-information adding unit 73. The buffer-information adding unit 73 adds the input information to the input bitstream and outputs the resulting bitstream. The present invention is applicable to an encoding device and a decoding device which process bitstreams.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: March 19, 2013
    Assignee: Sony Corporation
    Inventor: Teruhiko Suzuki
  • Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
    Patent number: 8391359
    Abstract: A packetizing method for packetizing a bit stream in a packetizing apparatus. The packetizing method includes encoding, in an encoding unit in the multiplexing apparatus, a chroma component of image data using a chroma quantization parameter calculated on the basis of a luma quantization parameter weighted by an addition operation that adds a weight parameter and generating the bit stream. The method further includes packetizing, in a packetizing unit in the packetizing apparatus, the bit stream and generating a packetized stream.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: March 5, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Osamu Sunohara, Teruhiko Suzuki, Peter Kuhn, Yoichi Yagasaki, Kuniaki Takahashi
  • Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
    Patent number: 8391360
    Abstract: A multiplexing method for multiplexing a bit stream in a multiplexing apparatus. The method includes encoding, in an encoding unit in the multiplexing apparatus, a chroma component of image data using a chroma quantization parameter calculated on the basis of a luma quantization parameter weighted by an addition operation that adds a weight parameter and generating the bit stream. The method further includes multiplexing, in an multiplexing unit in the multiplexing apparatus, the bit stream and generating a system stream.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: March 5, 2013
    Assignee: Sony Corporation
    Inventors: Kazushi Sato, Osamu Sunohara, Teruhiko Suzuki, Peter Kuhn, Yoichi Yagasaki, Kuniaki Takahashi
  • IMAGE PROCESSING DEVICE AND METHOD
    Publication number: 20130022285
    Abstract: The invention relates to image processing device and method that can further improve coding efficiency. An orthogonal transform part 151 orthogonally transforms pixel values of a process target block of an input image by 4×4. A 2×2 block generation part 152 extracts four direct-current components from the coefficient data, and generates a 2×2 block using the direct-current components. An orthogonal transform part 153 further orthogonally transforms the 2×2 block. An 8×8 block generation part 161 generates an 8×8 block with the 2×2 block at the upper left portion. An inverse orthogonal transform part 162 subjects the supplied 8×8 curved surface block to inverse orthogonal transform. The pixel values of the 8×8 block subjected to inverse orthogonal transform form a curved surface. The curved surface constitutes a predicted image. The invention can be applied to an image processing device, for example.
    Type: Application
    Filed: January 27, 2011
    Publication date: January 24, 2013
    Applicant: SONY CORPORATION
    Inventors: Teruhiko Suzuki, Peng Wang
  • CODING DEVICE AND METHOD, DECODING DEVICE AND METHOD, RECORDING MEDIUM, AND PROGRAM
    Publication number: 20130010874
    Abstract: An encoding apparatus and an encoding method, a decoding apparatus and a decoding method, a recording medium, and a program suitable for encoding image signals with a higher compression ratio for transmission or accumulation. In an arithmetic coding section, from among the syntax elements of input image compression information, the frame/field flag is first encoded by a frame/field flag context model. When the macroblock to be processed is subjected to frame-based encoding, a frame-based context model, specified in the current H.26L standard, is applied. On the other hand, when the macroblock to be processed is subjected to field-based encoding, a field-based context model is applied for the syntax elements described below. The present invention is applied to an encoder for encoding image information and a decoder for decoding image information.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: SONY CORPORATION
    Inventors: Kazushi SATO, Teruhiko Suzuki, Osamu Sunohara, Yoichi Yagasaki