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Nakajo Takeshi, Koto Shinichiro, Kikuchi Yoshihiro: Moving picture decoding method and device. Toshiba, March 1, 2007: JP2007-053799 (104 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method and apparatus capable of carrying out decoding compatible with encoding applied to a fade video or a dissolving video wherein the brightness of moving pictures temporally changes with a high efficiency.SOLUTION: A variable length decoder 303 decodes encoded ...


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Nakajo Takeshi, Koto Shinichiro, Kikuchi Yoshihiro: Moving picture coding method and device therefor. Toshiba, March 8, 2007: JP2007-060713 (104 worldwide citation)

PROBLEM TO BE SOLVED: To perform highly efficient coding upon a moving picture wherein a luminance temporally varies, like a fade picture or a dissolve picture.SOLUTION: A moving picture coding device includes a picture memory/prediction picture generator 108 which selects one combination from a plu ...


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Kikuchi Yoshihiro, Koto Shinichiro, Nakajo Takeshi: Moving picture encoding/decoding method and apparatus. Toshiba, January 22, 2004: JP2004-023458 (48 worldwide citation)

PROBLEM TO BE SOLVED: To provide a moving picture encoding apparatus in which a code quantity of a motion vector required for performing motion-compensated prediction from a plurality of reference frames is reduced.SOLUTION: In accordance with respective divided small areas of an input moving pictur ...


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Fujie Keiichiro, Takahashi Katsumi, Koto Shinichiro: Method and device for recording/reproducing information. Toshiba, October 13, 2000: JP2000-286715 (32 worldwide citation)

PROBLEM TO BE SOLVED: To facilitate reproduction control which requires the analysis of a content on retrieval and fast forwarding reproduction by recording an inputted information stream, expanding it, re-compressing it, detecting feature information and recording it. SOLUTION: A set top box 1 rece ...


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Yamakage Tomoo, Muratani Hirofumi, Yamada Hisashi, Kambayashi Toru, Koto Shinichiro: Digital watermark burying method and device, and digital watermark detecting method and device. Toshiba, December 11, 2003: TW566045 (25 worldwide citation)

The object is to provide a digital watermark burying device to inspect the buried watermark information, which will not enlarge the invasion such as cutting, marking and rotation operation of image with the amount of computation or circuit scale. It has: a predetermined frequency component extractio ...


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Nakajo Takeshi, Koto Shinichiro, Kikuchi Yoshihiro: Motion picture coding / decoding method and apparatus. Toshiba, January 8, 2004: JP2004-007377 (22 worldwide citation)

PROBLEM TO BE SOLVED: To enable efficient coding to motion pictures such as fading images or dissolving images whose luminance changes in time.SOLUTION: One combination is chosen from two or more combinations of at least one reference picture number and prediction parameter that were prepared before ...


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Koto Shinichiro, Nakajo Takeshi, Kikuchi Yoshihiro: Method for encoding moving image and method for decoding moving image. Toshiba, January 8, 2004: JP2004-007379 (14 worldwide citation)

PROBLEM TO BE SOLVED: To reduce the increase in the overhead in the operation volume or encoded data of faded images whose processing is weak in a conventional moving image encoding method such as MPEG and to sharply improve the efficiency of prediction.SOLUTION: In the case of applying encoding bet ...


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Tanizawa Akiyuki, Koto Shinichiro, Nakajo Takeshi: In-frame image coding method, and apparatus thereof. Toshiba, October 11, 2007: JP2007-267414 (14 worldwide citation)

PROBLEM TO BE SOLVED: To provide an in-frame image coding method of which an input image signal is divided into a plurality of pixel blocks, one mode is selected from a plurality of coding modes for each pixel block, and the pixel block is coded in the selected coding mode, and which selects a prope ...


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Kikuchi Yoshihiro, Chujoh Takeshi, Koto Shinichiro: Motion vector coding. Tokyo Shibaura Electric Co, March 25, 1992: EP1377067-A1 (12 worldwide citation)

A video encoding method comprises storing a plurality of encoded frames (rf0, rf1, rf2) of a video in a memory, generating a to-be-encoded frame (current) which is divided in a plurality of regions (A to E) including at least one encoded region (A to D) and at least one to-be-encoded region (E), gen ...



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