Patents by Inventor Hisanari Kimura
Hisanari Kimura 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: 11711652Abstract: A reproduction device includes: an acquisition unit configured to acquire sound source information about a sound source; a determination unit configured to determine an output characteristic of the sound source with a virtual speaker arranged in a virtual space, based on a positional relationship between the virtual speaker and a virtual listener arranged in the virtual space; and a reproduction unit configured to reproduce the sound source with a real speaker arranged in a real space, based on the output characteristic determined by the determination unit.Type: GrantFiled: September 17, 2021Date of Patent: July 25, 2023Assignee: DENSO TEN LimitedInventors: Yohei Kakee, Yoshikuni Miki, Hisanari Kimura
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Publication number: 20220303685Abstract: A reproduction device includes: an acquisition unit configured to acquire sound source information about a sound source; a determination unit configured to determine an output characteristic of the sound source with a virtual speaker arranged in a virtual space, based on a positional relationship between the virtual speaker and a virtual listener arranged in the virtual space; and a reproduction unit configured to reproduce the sound source with a real speaker arranged in a real space, based on the output characteristic determined by the determination unit.Type: ApplicationFiled: September 17, 2021Publication date: September 22, 2022Applicant: DENSO TEN LimitedInventors: Yohei KAKEE, Yoshikuni MIKI, Hisanari KIMURA
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Patent number: 9313492Abstract: A moving image encoding device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, obtaining a region motion vector that represents a motion of a region including a block in a first slice, in a case where an encoding object block is included in a block line in a second slice, the block line contacting with a boundary between the first slice and the second slice in an encoding object picture, the encoding object picture being divided into a plurality of slices each of which includes a plurality of blocks; obtaining a motion vector of the encoding object block by using the region motion vector as a first prediction vector of the encoding object block; obtaining a second prediction vector from a motion vector of one or more encoded blocks; and obtaining an encoding result.Type: GrantFiled: March 29, 2013Date of Patent: April 12, 2016Assignee: FUJITSU LIMITEDInventors: Hidenobu Miyoshi, Hisanari Kimura, Shotaro Ishikawa
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Patent number: 8891622Abstract: A motion picture coding apparatus divides an image into plural blocks and codes the image; determines a coding mode to be used for each of the blocks; determines, for coefficients of each of the plural blocks coded in the determined coding mode, a position for which coefficients in the block are replaced by “0” based on rate information; determines whether a to-be-processed block is a first block for which referring to pixel values of an upward adjacent block is not allowed; changes, for coefficients of a block of DC components after orthogonal transformation or quantization in the block determined as the first block, the determined position to a position at which the number of coefficients to be replaced by “0” is reduced; and replaces coefficients of the block of DC components after orthogonal transformation or quantization in the block determined as the first block based on the changed position.Type: GrantFiled: May 2, 2012Date of Patent: November 18, 2014Assignee: Fujitsu LimitedInventors: Hidenobu Miyoshi, Hisanari Kimura, Shotaro Ishikawa
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Patent number: 8780989Abstract: A moving-picture coding device that divides a moving-picture signal comprised of a plurality of fields into a plurality of blocks and that can select coded area prediction in a current field and inter-field motion compensation prediction by block units, the moving-picture coding device comprises a forced intra block line determining unit, an intra selecting unit, a vector limit block line determining unit, a vector limit unit, a slice division unit a deblocking filter inhibit unit.Type: GrantFiled: July 9, 2008Date of Patent: July 15, 2014Assignee: Fujitsu LimitedInventors: Hidenobu Miyoshi, Akira Nakagawa, Kimihiko Kazui, Hisanari Kimura
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Publication number: 20130343458Abstract: A moving image encoding device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, obtaining a region motion vector that represents a motion of a region including a block in a first slice, in a case where an encoding object block is included in a block line in a second slice, the block line contacting with a boundary between the first slice and the second slice in an encoding object picture, the encoding object picture being divided into a plurality of slices each of which includes a plurality of blocks; obtaining a motion vector of the encoding object block by using the region motion vector as a first prediction vector of the encoding object block; obtaining a second prediction vector from a motion vector of one or more encoded blocks; and obtaining an encoding result.Type: ApplicationFiled: March 29, 2013Publication date: December 26, 2013Applicant: FUJITSU LIMITEDInventors: Hidenobu MIYOSHI, Hisanari Kimura, Shotaro Ishikawa
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Publication number: 20130028323Abstract: A motion picture coding apparatus divides an image into plural blocks and codes the image; determines a coding mode to be used for each of the blocks; determines, for coefficients of each of the plural blocks coded in the determined coding mode, a position for which coefficients in the block are replaced by “0” based on rate information; determines whether a to-be-processed block is a first block for which referring to pixel values of an upward adjacent block is not allowed; changes, for coefficients of a block of DC components after orthogonal transformation or quantization in the block determined as the first block, the determined position to a position at which the number of coefficients to be replaced by “0” is reduced; and replaces coefficients of the block of DC components after orthogonal transformation or quantization in the block determined as the first block based on the changed position.Type: ApplicationFiled: May 2, 2012Publication date: January 31, 2013Applicant: FUJITSU LIMITEDInventors: Hidenobu MIYOSHI, Hisanari Kimura, Shotaro Ishikawa
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Patent number: 8306338Abstract: A moving-picture coding device that performs inter-field motion compensation prediction, includes a reference limit area determining unit that determines to select, for each reference picture, with respect to reference pictures used for coding, a luminance or chrominance reference limit area putting a limit to a reference picture used for generating a prediction picture of a luminance or chrominance of a coding target block belonging to the coding target picture limit area of the case upon each reference picture being previously coded; a selecting inhibit vector determining unit that determines, in a case of coding the coding block belonging to the coding target picture limit area, a selecting inhibit vector that inhibits selecting a luminance and the chrominance are comprised only of pixels of the luminance reference limit area and the chrominance reference limit area.Type: GrantFiled: July 10, 2008Date of Patent: November 6, 2012Assignee: Fujitsu LimitedInventors: Akira Nakagawa, Hidenobu Miyoshi, Kimihiko Kazui, Hisanari Kimura
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Publication number: 20100272170Abstract: An image encoding apparatus configured to perform sub-band encoding, the apparatus includes: a plurality of encoding units configured to encode an image signal separated into a plurality of sections; a plurality of storage units configured to hold data encoded by the encoding units; and a control unit configured to determine capacities of encoded data of the section of the separated image signal on the basis of statistical information capacities of the section of the separated image signal and data capacities after encoding by the encoding units.Type: ApplicationFiled: April 26, 2010Publication date: October 28, 2010Applicant: FUJITSU LIMITEDInventors: Jumpei Hongo, Yousuke Yamaguchi, Noriaki Tsukuda, Hideaki Ishii, Hisanari Kimura, Shunsuke Kobayashi, Kimihiko Kazui, Atsushi Ichiki, Shin Fujita
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Publication number: 20090028246Abstract: A moving-picture coding device that divides a moving-picture signal comprised of a plurality of fields into a plurality of blocks and that can select coded area prediction in a current field and inter-field motion compensation prediction by block units, the moving-picture coding device comprises a forced intra block line determining unit, an intra selecting unit, a vector limit block line determining unit, a vector limit unit, a slice division unit a deblocking filter inhibit unit.Type: ApplicationFiled: July 9, 2008Publication date: January 29, 2009Applicant: Fujitsu LimitedInventors: Hidenobu MIYOSHI, Akira Nakagawa, Kimihikko Kazui, Hisanari Kimura
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Publication number: 20090016621Abstract: A moving-picture coding device that performs inter-field motion compensation prediction, includes a reference limit area determining unit that determines to select, for each reference picture, with respect to reference pictures used for coding, a luminance or chrominance reference limit area putting a limit to a reference picture used for generating a prediction picture of a luminance or chrominance of a coding target block belonging to the coding target picture limit area of the case upon each reference picture being previously coded; a selecting inhibit vector determining unit that determines, in a case of coding the coding block belonging to the coding target picture limit area, a selecting inhibit vector that inhibits selecting a luminance and the chrominance are comprised only of pixels of the luminance reference limit area and the chrominance reference limit area.Type: ApplicationFiled: July 10, 2008Publication date: January 15, 2009Applicant: FUJITSU LIMITEDInventors: Akira Nakagawa, Hidenobu Miyoshi, Kimihiko Kazui, Hisanari Kimura
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Patent number: 6704415Abstract: An echo canceler makes it possible to adaptably control a power of speech reception voice and to reduce distortion of a voice output from a speaker. The echo canceler has a basic structure includes a power control section controlling a power for a speech reception voice, a first filtering section removing a particular component from an output of the power control section, an echo canceling section removing echo components of a speech reception voice, which are added to a speech transmission voice, a second filtering section filtering particular components of the speech reception and transmission voices, and a state judgement section judging existences of the speech reception and transmission voices from an output of the second filtering section and controlling a power attenuation amount of the power control section based on the judgement result.Type: GrantFiled: July 15, 1999Date of Patent: March 9, 2004Assignee: Fujitsu LimitedInventors: Hiroshi Katayama, Yasushi Yamazaki, Hitoshi Matsuzawa, Yoshihiro Tomita, Mutsumi Saito, Hisanari Kimura
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Patent number: 5717724Abstract: To improve the voice quality of a digital mobile communication system such as a car telephone or portable telephone when outdoor background noises are superimposed on voices. To achieve the above object, a voice decoding apparatus comprises noise superimposed part detecting means for discriminating between a noise part containing only noises and a voice part containing voices from signal encoded at a transmission side, voice decoding means for decoding an encoded signal in the voice part into a waveform signal, noise decoding means for decoding an encoded signal in the noise part into a waveform signal, and noise control means for controlling the frequency characteristic of said noise part by controlling said noise decoding means when said noise superimposed part detecting means judges the noise part.Type: GrantFiled: August 4, 1995Date of Patent: February 10, 1998Assignee: Fujitsu LimitedInventors: Yasushi Yamazaki, Tomohiko Taniguchi, Tomonori Sato, Hisanari Kimura