1
Tetsujiro Kondo, Michio Nagai, Norihisa Shirota: Highly efficient coding apparatus. Sony Corporation, Alvin Sinderbrand, Willian S Frommer, June 11, 1991: US05023710 (158 worldwide citation)

A highly efficient coding apparatus is configured to divide a digital picture signal into picture blocks and, based on a signal from a coding circuit for performing variable-length coding of each picture block, generate an output signal in the form of serial sync blocks. By inserting the most signif ...


2
Tetsujiro Kondo, Yashuhiro Fujimori: High efficiency coding apparatus. Sony, Alvin Sinderbrand, July 4, 1989: US04845560 (126 worldwide citation)

A high efficiency coding apparatus controls the amount of generated information so that it does not surpass the transmission capacity of a transmission path when variable-length coding is employed for varying a word length corresponding to a dynamic range. With respect to a still block, distribution ...


3
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 (114 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 ...


4
Kenji Takahashi, Tetsujiro Kondo: Apparatus and method for processing a digital video signal to produce interpolated data. Sony Corporation, William S Frommer, Alvin Sinderbrand, November 21, 1995: US05469216 (111 worldwide citation)

Apparatus and method for processing a digital video signal having an inner block of pixel data that represents an image spatially located within an outer block of pixel data. A class code of the inner block of pixel data is determined in accordance with values of the pixels of both the inner and out ...


5
Tetsujiro Kondo: High efficiency technique for coding a digital video signal. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, October 27, 1987: US04703352 (107 worldwide citation)

In an apparatus for coding digital video data in the form of blocks thereof dynamic range information is generated from maximum and minimum values of the digital video data representing plural picture elements in each block, the minimum value is substracted from each of the digital data to generate ...


6
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 (101 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 ...


7
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 ...


8
Tetsujiro Kondo: High efficiency coding apparatus. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, January 26, 1988: US04722003 (92 worldwide citation)

In an apparatus for coding digital video data in a block format, the dynamic range information is generated from maximum and minimum values of plural picture elements in a block, and the minimum value is subtracted from each of the digital data to generate modified digital video data. A distribution ...


9
Tetsujiro Kondo: Decoding apparatus. Sony Corporation, Alvin Sinderbrand, December 26, 1989: US04890161 (92 worldwide citation)

In a decoding apparatus for decoding data, such as a digital video signal or the like, transmitted with a smaller number of bits than that of the original datum, sample data adjacent a sample datum to be decoded are separated from the transmitted data and compared with the sample datum to be decoded ...


10
Tetsujiro Kondo: Apparatus for an efficient coding of television signals. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, October 27, 1987: US04703351 (91 worldwide citation)

This invention relates to an apparatus for an efficient coding which reduces the number of bits per one pixel of digital television signals. The pixel data in the present field is predicted by way of a linear combination of the pixel data in the past several fields and parameters as prediction coeff ...



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