Image processing system and data modulation/demodulation method thereof

An image processing system, comprising:

• an image processing circuit for providing input data signals to a single information channel to provide a processed data signal;
• an analog-to-digital converter connected to said image processing circuit for converting said processed data signal to a digital signal;
• data compression means connected to said analog-to-digital converter, for providing compressed data by compressing a level of digital signal to a level of audio data;
• a memory connected to the output stage of said data compression means, for storing said compressed data;
• data reconstruction means connected to said memory, for providing reconstructed data signals by reconstructing original data from said compressed data;
• and
• a data processing circuit connected to said data reconstruction means for displaying said reconstructed data on a screen.

A data modulation-and-demodulation method in an image processing system, comprising:

• a data compression process comprising:
• a factorial-code-conversion routine, for converting input data signals representing digital image data received from an analog-to-digital converter into a first factorial code;
• a cubic-code-conversion routine for converting said first factorial code provided from said factorial-code-conversion routine into a first cubic code;
• and
• a first factorial-adaptive-size-comparison-method routine for comparing a magnitude of a given bit of said first cubic code with magnitudes of other bits of said first cubic code, and for providing internal and adaptive bits;
• and
• a data reconstruction routine comprising:
• an inverse factorial-adaptive-size-comparison-method routine, for converting said internal and adaptive bits into a second cubic code;
• an inverse cubic-code-conversion routine for extracting a second factorial code from said second cubic code of said inverse factorial-adaptive-size-comparison-method routine;
• and
• an inverse factorial-code-conversion routine for reconstructing said second factorial code as output data signals indicative of said input data signals.

A circuit for compressing and expanding digital image data in an image processing system, comprising:

• memory means for storing said digital image data;
• and
• data compression means for:
• converting said digital image data into a first factorial code according to the following formula:
• digital data D=Q.sub.n =Q.sub.N .times.N!+Q.sub.N-1 .times.(N-1)!+. . . +Q.sub.2 .times.2!+Q.sub.1 1',
• where Q.sub.1 Q.sub.2. . . Q.sub.N is said first factorial code;
• converting said first factorial code into a first cubic code by switching bits of reference data according to the following formula:
• if N-(Q.sub.n -1)=N+1, then no bit switching
• otherwise, a nth bit of said reference data is switching with a (N-(Q.sub.n -1)th bit, generating said first cubic code D.sub.1 D.sub.2. . . D.sub.N, where n.ltoreq.N;
• comparing a magnitude of a given bit of said first cubic code with magnitudes of other bits of said first cubic code, and for providing internal bits and adaptive bits according to the following formulas:
• if D.sub.n-1 >D.sub.n, then I.sub.n =0,
• and
• if D.sub.n-1 <D.sub.n, then I.sub.n =1,
• where I.sub.1 I.sub.2. . . I.sub.N-1 are said internal bits, and
• if I.sub.n-1 =1, comparing a largest bit of said cubic code up to the present bit of said cubic code to generate said adaptive bit,
• if I.sub.n-1 =0, comparing a smallest bit of said cubic code up to the present bit of said cubic code to generate said adaptive bit;
• transmission means for transmitting said internal bits and said adaptive bits as a transmitted signal through a communication network, said internal bits and said adaptive bits representing said digital image data;
• reception means for receiving said internal bits and aid adaptive bits from said communication network;
• and
• data reconstruction means for:
• receiving said internal bits and said adaptive bits from said reception means;
• converting said internal bits and said adaptive bits into a second cubic code by arranging reference data according to said internal and adaptive bits;
• extracting a second factorial code according to the following formula:
• if default data d.sub.i =said second cubic code data D.sub.i, then said second factorial code data L.sub.i =said reference data R(D.sub.i),
• otherwise L.sub.i =N+1-D.sub.i and R(d.sub.i)=R(D.sub.i);
• converting said second factorial into a reconstructed digital signal according to the following formula:
• reconstructed digital data A=L.sub.N .times.N!+L.sub.N-1 .times.(N-1)!+. . . +L.sub.2 .times.2!+L.sub.1 1!, where L.sub.1 L.sub.2. . . L.sub.N is a reconstructed factorial code;
• and display means for displaying said reconstructed digital signal.

A data modulation-and-demodulation method in an image processing system, comprising:

• a data compression process comprising a factorial-code-conversion routine, for converting input data signals representing digital image data and digital audio data received from an analog-to-digital converter into a second data signal representing a factorial code;
• a cubic-code-conversion routine for converting said factorial code provided from said factorial-code-conversion routine into a third data signal representing a cubic code;
• a first factorial-adaptive-size-comparison-method routine for comparing a magnitude of a selected bit of said cubic code with magnitudes of other bits of said cubic code, and for providing a fourth data signal comprising internal and adaptive bits;
• and
• transmitting said fourth data signal through a transmission line.

A data modulation-and-demodulation method in an image processing system, comprising:

• a data reconstruction routine comprising an inverse factorial-adaptive-size-comparison-method routine, for converting a first data signal comprising internal bits and adaptive bits representing image signals into a second data signal comprising a cubic code;
• an inverse cubic-code-conversion routine for extracting a factorial code from said cubic code of said second data signal;
• and
• an inverse factorial-code-conversion routine for reconstructing said second factorial code to generate output data signals indicative of said image signals.

An image processing system, comprising:

• image processing means for providing input image data to a single information channel;
• data compression means for compressing said input image data from a level of a high frequency band to an audio data level of a low frequency band by compressing first input image data of a certain range, incorporating second image data to said first image data after said first image data is compressed, and repeatedly compressing said incorporated first and second image data, to generate compression data;
• memory means connected to an output stage of said data compression means, for storing said compression data;
• and
• transmission means connected to an output stage of said memory means, for transmitting said compression data through a communication network as an electrical.

An image processing system for converting compressed image data derived by compressing original image data and comprised of internal bits and adaptive bits, said image processing system comprising:

• receiving means for receiving said compressed image data from a communication network as a first data signal;
• memory means connected to an output stage of said receiving means, for storing said compressed image data;
• data reconstruction means connected to an output stage of said memory means, for expanding said internal bits and said adaptive bits, in order to generate reconstructed image data, said reconstructed image data representing said original image data prior to compression;
• and
• data processing means connected to said data reconstruction means, for displaying said reconstructed image data.