CS430 © 2006 Ray S. Babcock LZW Coding Lempel-Ziv-Welch.

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Presentation transcript:

CS430 © 2006 Ray S. Babcock LZW Coding Lempel-Ziv-Welch

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 39 Found in Dictionary!39

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 39 Found in Dictionary! :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output Found in Dictionary! : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 126 Found in Dictionary! : : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 39 Found in Dictionary! : : : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output : : : : Found in Dictionary!39 256

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 39 Found in Dictionary! : : : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 39 Found in Dictionary! : : : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output 39 Found in Dictionary! : : : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output Found in Dictionary! : : : : :

CS430 © 2006 Ray S. Babcock 4 x 4 x 8bit Dictionary 0 : 0 1 : : 255 … : … Currently Recognized Sequence Encoded Output Found in Dictionary! : : : : :

CS430 © 2006 Ray S. Babcock ETC