1
Yamauchi Eiji, Hashimoto Kiyokazu, Oka Hidemi, Kashiro Takao, Hidaka Iwao, Yamamoto Yoshiki: Digital processing apparatus. Matsushita Electric, April 3, 1996: EP0705034-A2 (6 worldwide citation)

The digital processing apparatus (P1) includes a high speed response PLL (13) that produces a first clock signal (Sc1) locked on the horizontal synchronization signal (H. sync.) included in the video signal (Sv) input thereto. A analog to digital converter (19) converts the input video signal (Sv) w ...


2
Oka Hidemi, Fujii Shozo: Code amount controller, program and recording medium. Matsushita Electric, June 10, 2004: JP2004-166088 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a code amount controller, a program and a recording medium for preventing a generated code amount from deviating greatly from a target amount in a simple configuration by suppressing the influence when a video characteristic changes.SOLUTION: These code amount contro ...


3
Oka Hidemi, Kawakami Kazuo: Data transmission equipment and data reception equipment. Matsushita Electric, March 3, 2000: JP2000-069063 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide data transmission equipment for suitably instructing data transmission and data recording even when externally inputted data are changed to the digital data of a different format. SOLUTION: A transmission control means 105 is provided with a band managing means for a ...


4
Oka Hidemi, Okabe Masao, Yoshiden Katsuhiko, Mizuno Shinjiro: Picture processor. Matsushita Electric, November 14, 2000: JP2000-316134 (2 worldwide citation)

PROBLEM TO BE SOLVED: To allow equipment which is not provided with a reproducing function of a highly precise still picture to reproduce an equivalent still picture, and to allow equipment which is provided with the reproducing function to generate a highly precise still picture with high fidelity. ...


5
Oka Hidemi, Okabe Masao, Yoshida Katsuhiko, Mizuno Shinjiro, Yoshino Tadashi: Video signal coder. Matsushita Electric, May 24, 2002: JP2002-152757 (1 worldwide citation)

PROBLEM TO BE SOLVED: To prevent a code quantity from being deficient in the latter half of frames or the quantization step from being largely fluctuated in controlling the code quantity by N frames to be a desired value or below.SOLUTION: When a rearrangement memory 102 stores signals, a vector det ...


6
Yoshiden Katsuhiko, Okabe Masao, Oka Hidemi, Mizuno Shinjiro: Image recording and reproducing device. Matsushita Electric, August 10, 2001: JP2001-218156 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide an image recording and reproducing device by which a user can extract one still picture preferred by the user among a plurality of recorded still pictures and fully appreciate it.SOLUTION: In the case of executing a consecutive shot recording function, an index image ...


7
Sato Masashi, Mizuno Shinjiro, Oka Hidemi: Method and device for encoding image signal. Matsushita Electric, December 5, 2003: JP2003-348579 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide an image signal encoding method and device in which total amount of generated code in an image plane is prevented from being deviated largely from a target code amount without causing a bias in image quality on an image plane when an encoded stream is decoded even in ...


8
Mizuno Shinjiro, Fujii Shozo, Oka Hidemi, Okabe Masao: Method and device for encoding image. Matsushita Electric, December 5, 2003: JP2003-348586 (1 worldwide citation)

PROBLEM TO BE SOLVED: To reduce deterioration in image quality caused by noise superimposed upon an image signal in encoding the image signal. SOLUTION: A first quantizer 11 quantizes coefficient data outputted from an orthogonal converter 10 on a prescribed quantization scale. A second quantizer 13 ...


9
Mizuno Shinjiro, Fujii Shozo, Oka Hidemi: Motion vector detecting method. Matsushita Electric, August 4, 2005: JP2005-210321 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a motion vector detecting method capable of suppressing detection error to be low, when placing limit on the number of vectors among a plurality of motion vector objects and reducing the circuit scale of motion vector detection in a second stage, while suppressing de ...


10
Mizuno Shinjiro, Fujii Shozo, Oka Hidemi: Device and method for detecting motion, device and method for determining adaptive orthogonal transformation mode, medium and program. Matsushita Electric, May 27, 2004: JP2004-153573 (1 worldwide citation)

PROBLEM TO BE SOLVED: To improve encoding efficiency by selecting an appropriate orthogonal transformation mode and encoding an interlaced image signal in the encoding of the interlaced image signal.SOLUTION: Macroblocks inputted from an input terminal 10 are divided into intra-frame orthogonal tran ...