Predictive coding system

Claim 2

A predictive coding system comprising: (a) input means for inputting a data sequence sequentially including a number of samples; (b) distribution means for distributing the data sequence input by said input means using a predetermined time interval including a plurality of samples as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) n time-base expansion means for performing time-base expansion of the n-channel data sequences output from said distribution means, respectively; and (d) n predictive coding circuits in which the n-channel data sequences, subjected to time-base expansion by said n time-base expansion means, are input, respectively.

Claim 3

A predictive decoding system comprising: (a) input means for inputting a data sequence sequentially including predictive-coded data; (b) distribution means for distributing the data sequence input by said input means using a predetermined time interval including a plurality of samples as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of the n-channel data sequences output from said distribution means, respectively; and (d) n predictive decoding circuits in which n-channel data sequences, subjected to time-base expansion by said n time-base expansion means, respectively, are input relatively.

Claim 4

A predictive decoding system comprising: (a) input means for inputting a data sequence sequentially including predictive-coded data; (b) distribution means for distributing the data sequence input by said input means using a predetermined time interval including a plurality of samples as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of the n-channel data sequences output from said distribution means, respectively; and (d) n predictive decoding circuits in which n-channel data sequences, subjected to time-base expansion by said n time-base expansion means, respectively, are input relatively.

Claim 5

A system according to claim 1 or 2 wherein the data sequence input by said input means is a data sequence indicating video signals.

Claim 6

A system according to claim 3 wherein said predetermined time interval is an integer times a horizontal scanning period of the video signals.

Claim 7

A system according to claim 4 wherein each of said time-base expansion means outputs data corresponding to video signals of each horizontal scanning line interval with an identical timing.

Claim 8

A predictive coding system comprising: (a) input means for inputting a data sequence indicating video signals; (b) distribution means for distributing the data sequence input by said input means using a horizontal scanning line interval as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of the n-channel data sequences output from said distribution means, respectively; and (d) n predictive coding circuits in which the n-line data sequences, subjected to time-base expansion by said n time-base expansion means, are input, respectively: said n predictive coding circuits being constituted so as to give data indicating local decoded values to each other, and performing predictive coding by utilizing data indicating the local decoded values from others of said predictive coding circuits.

Claim 9

A predictive coding system comprising: (a) input means for inputting a data sequence indicating video signals; (b) distribution means for distributing the data sequence input by said input means using a horizontal scanning line interval as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of the n-channel data sequences output from said distribution means, respectively; and (d) n predictive coding circuits in which the n-line data sequences, subjected to time-base expansion by said n time-base expansion means, are input, respectively: said n predictive coding circuits being constituted so as to give data indicating local decoded values to each other, and performing predictive coding by utilizing data indicating the local decoded values from others of said predictive coding circuits.

Claim 10

A predictive decoding system comprising: (a) input means for inputting a predictive-coded data sequence indicating video signals; (b) distribution means for distributing the data sequence input by said input means using a horizontal scanning line interval as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of n-channel data sequences output from said distribution means, respectively; and (d) n predictive decoding means in which n-channel data sequences subjected to time-base expansion thereof by said n time-base expansion means are input, respectively; said n predictive decoding means being constituted so as to give and receive data indicating decoded values to each other, and performing predictive decoding by utilizing data indicating decoded values from others of said predictive decoding means.

Claim 11

A predictive decoding system comprising: (a) input means for inputting a predictive-coded data sequence indicating video signals; (b) distribution means for distributing the data sequence input by said input means using a horizontal scanning line interval as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of n-channel data sequences output from said distribution means, respectively; and (d) n predictive decoding means in which n-channel data sequences subjected to time-base expansion thereof by said n time-base expansion means are input, respectively; said n predictive decoding means being constituted so as to give and receive data indicating decoded values to each other, and performing predictive decoding by utilizing data indicating decoded values from others of said predictive decoding means.

Claim 12

A predictive coding system comprising: (a) input means for inputting a data sequence indicating luminance signals and a data sequence indicating color signals, respectively; (b) distribution means for distributing the data sequence indicating luminance signals input by said input means using a horizontal scanning line interval as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of n-channel data sequences output from said distribution means, respectively; and (d) (n+1) predictive coding circuits in which the n-channel data sequences, subjected to time-base expansion by said n time-base expansion means, respectively, and the data sequence indicating color signals input by said input means, are input, respectively.

Claim 13

A predictive coding system comprising: (a) input means for inputting a data sequence indicating luminance signals and a data sequence indicating color signals, respectively; (b) distribution means for distributing the data sequence indicating luminance signals input by said input means using a horizontal scanning line interval as a unit for outputting n-channel data sequences, where n is an integer not smaller than 2; (c) time-base expansion means for performing time-base expansion of n-channel data sequences output from said distribution means, respectively; and (d) (n+1) predictive coding circuits in which the n-channel data sequences, subjected to time-base expansion by said n time-base expansion means, respectively, and the data sequence indicating color signals input by said input means, are input, respectively.

Claim 14

A predictive decoding system comprising: (a) input means for inputting a data sequence wherein predictive-coded data indicating luminance signals and predictive-coded data indicating color signals are subjected to time-base multiplexing, using a horizontal scanning line interval as a unit; (b) distribution means for distributing the data sequence input by said input means using a horizontal scanning line interval as a unit to output n-channel data sequences concerning luminance signals and 1-channel data sequence concerning color signals, where n is an integer not smaller than 2; (c) (n+1) time-base expansion means for performing time-base expansion of (n+1)-channel data sequences output from said distribution means, respectively; and (d) (n+1) predictive decoding circuits in which (n+1)-channel data sequences subjected to time-base expansion by said (n+1) time-base expansion means, respectively, are input, respectively.

Claim 15

A predictive decoding system comprising: (a) input means for inputting a data sequence wherein predictive-coded data indicating luminance signals and predictive-coded data indicating color signals are subjected to time-base multiplexing, using a horizontal scanning line interval as a unit; (b) distribution means for distributing the data sequence input by said input means using a horizontal scanning line interval as a unit to output n-channel data sequences concerning luminance signals and 1-channel data sequence concerning color signals, where n is an integer not smaller than 2; (c) (n+1) time-base expansion means for performing time-base expansion of (n+1)-channel data sequences output from said distribution means, respectively; and (d) (n+1) predictive decoding circuits in which (n+1)-channel data sequences subjected to time-base expansion by said (n+1) time-base expansion means, respectively, are input, respectively.

Claim 18

A system according to claim 10 wherein said predictive coding circuits perform coding by further utilizing the correlation of the image in the vertical direction.

Claim 19

A system according to claim 10 or 11 wherein said predictive coding circuits perform coding by further utilizing the correlation between images.

Claim 23

A predictive coding or decoding system, comprising: means to receive a sequence of data; means to divide the data into a plurality of sub-sequences of the data; means to expand each sub-sequences; means to perform a predictive encoding or decoding operation on the expanded sub-sequences; means to compress the encoded or decoded sub-sequence; and means to concatenate the compressed sub-sequences to form a sequence of encoded or decoded data.

Claim 24

A predictive coding or decoding system, comprising: means to receive a sequence of data; means to divide the data into a plurality of sub-sequences of the data; means to expand each sub-sequences; means to perform a predictive encoding or decoding operation on the expanded sub-sequences; means to compress the encoded or decoded sub-sequence; and means to concatenate the compressed sub-sequences to form a sequence of encoded or decoded data.