1
Tetsujiro Kondo, Yasuhiro Fujimori, Hideo Nakaya, Kenji Takahashi: Signal converting apparatus and signal converting method. Sony Corporation, William S Frommer, Frommer Lawrence & Haug, December 22, 1998: US05852470 (116 worldwide citation)

A signal converting apparatus and a signal converting method which predictively produce highly accurate interpolated pixels in accordance with a classification which precisely reflects a variety of signal characteristics of inputted video signals to provide a high resolution video signal. An activit ...


2
Tetsujiro Kondo, Yasuhiro Fujimori, Takeharu Nishikata: Hierarchical encoding and decoding apparatus for a digital image signal. Sony Corporation, William S Frommer, Alvin Sinderbrand, September 2, 1997: US05663764 (102 worldwide citation)

In a hierarchical encoding apparatus, predictors each including a look-up table are used to form predicted signals for respective hierarchical levels. The difference between the predicted signal and the original signal forms the differential signal for the higher hierarchical levels. The look-up tab ...


3
Tetsujiro Kondo, Yasuhiro Fujimori, Takeharu Nishikata: Hierarchical encoding and decoding apparatus for a digital image signal. Sony Corporation, William S Frommer, Alvin Sinderbrand, January 28, 1997: US05598214 (97 worldwide citation)

In a hierarchical encoding apparatus, predictors each including a look-up table are used to form predicted signals for respective hierarchical levels. The difference between the predicted signal and the original signal forms the differential signal for the higher hierarchical levels. The look-up tab ...


4
Tetsujiro Kondo, Yasuhiro Fujimori, Hideo Nakaya, Masashi Uchida: Image signal converting method and image signal converting apparatus. Sony Corporation, William S Frommer, Frommer Lawrence & Haug, August 31, 1999: US05946044 (52 worldwide citation)

In an image signal converting method and an image signal converting apparatus, it is possible to perform a proper classification considering various signal characteristics of input image data and convert low-resolution input image data to high-resolution image data by using not only a classifying me ...


5
Tetsujiro Kondo, Takashi Horishi, Yasuhiro Fujimori, Takeharu Nishikata: Apparatus for producing a noise-reducded image signal from an input image signal. Sony Corporation, William S Frommer, March 12, 1996: US05499057 (32 worldwide citation)

Apparatus are provided for producing a noise-reduced image signal from an input image signal having relatively more noise. The input image signal is divided into a number of block signals. A class code is produced for each of the block signals and used to produce low noise image data which is either ...


6
Tetsujiro Kondo, Yasuhiro Fujimori, Sugata Ghosal, James J Carrig: Method and apparatus for adaptive filter tap selection according to a class. Sony Corporation, Sony Electronics, Blakely Sokoloff Taylor & Zafman, February 20, 2001: US06192161 (23 worldwide citation)

A method, apparatus, and article of manufacture for restoring a deteriorated signal to an undeteriorated signal. A deteriorated signal consists of a plurality of deteriorated and undeteriorated data points. For each deteriorated data point, a plurality of class types is created based upon characteri ...


7
Tetsujiro Kondo, Yasuhiro Fujimori, Takeharu Nishikata: Hierarchical encoding and decoding apparatus for a digital image signal. Sony Corporation, William S Frommer, Frommer Lawrence & Haug, January 12, 1999: US05859667 (22 worldwide citation)

In a hierarchical encoding apparatus, predictors each including a look-up table are used to form predicted signals for respective hierarchical levels. The difference between the predicted signal and the original signal forms the differential signal for the higher hierarchical levels. The look-up tab ...


8
Ryusuke Moriya, Yasuhiro Fujimori: Phase locked loop having automatic-input tuning and phase control circuits. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, March 8, 1983: US04376268 (21 worldwide citation)

An automatic phase-controlled oscillator circuit for producing an output clocking signal whose phase and frequency vary with those of an input information signal applied thereto comprises an input circuit for receiving the input information signal; a variable-frequency tuning circuit for receiving a ...


9
Tetsujiro Kondo, Yasuhiro Fujimori, Hideo Nakaya: Apparatus for selectively enlarging or reducing an area of a reproduced television picture. Sony Corporation, Alvin Sinderbrand, William S Frommer, August 3, 1993: US05233422 (21 worldwide citation)

A television signal receiving apparatus for receiving a high definition television signal comprises, a receiving circuit for receiving the high definition television signal and for generating a high definition video signal, a converting circuit for converting the high definition video signal into a ...


10
Tetsujiro Kondo, Yasuhiro Fujimori, Kunio Kawaguchi: Noise eliminating circuit. Sony Corporation, William S Frommer, Alvin Sinderbrand, April 4, 1995: US05404178 (18 worldwide citation)

A noise eliminating circuit comprising a noise eliminating filter for moving image part to be used when an input image is of the moving image part, a noise eliminating filter for stationary image part to be used when the input image is of the station image part, these filters being adaptively select ...