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Category Archives: Project 2: Multiple Data Compression and Encryption

In computer science and information theory, data compression, source coding, or bit-rate reduction involves encoding information using fewer bits than the original representation. Compression can be either be lossy or lossless. Lossless compression reduces bits by identifying and eliminating statistical redundancy. No information is lost in lossless compression. Lossy compression reduces bits by identifying marginally important information and removing it. The process of reducing the size of a data file is popularly referred to as data compression, although its formal name is source coding (coding done at the source of the data, before it is stored or transmitted).

Performed 4 bit Decompression

Posted on February 19, 2015 by Vineet

RCS file: mdc.c,v Working file: mdc.c head: 1.5 branch: locks: strict root: 1.5 access list: symbolic names: keyword substitution: kv total revisions: 5; selected revisions: 5 description: This is the base file for mdc project…. —————————- revision 1.5 locked by: … Continue reading →

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Implemented successfully 4 bit compression in Multiple Data Compression And Encryption Using Iterative Technique

Posted on February 15, 2015 by Shashank Arora

  RCS file: projectmdc.c,v Working file: projectmdc.c head: 1.15 branch: locks: strict root: 1.15 access list: symbolic names: keyword substitution: kv total revisions: 15; selected revisions: 15 description: Introduce header.h file create datain_file text file and open the content through … Continue reading →

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PERFORMED 4 BIT COMPRESSION

Posted on February 13, 2015 by Vineet

RCS file: mdc.c,v Working file: mdc.c head: 1.4 branch: locks: strict root: 1.4 access list: symbolic names: keyword substitution: kv total revisions: 4; selected revisions: 4 description: This is the base file for mdc project…. —————————- revision 1.4 locked by: … Continue reading →

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I have done 4 bit mdc.

Posted on February 12, 2015 by Amardeep Rawat

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: header file for mdc.c —————————- revision 1.1 locked by: root; date: 2015/02/02 08:35:46; … Continue reading →

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File compression is done successfully.

Posted on February 10, 2015 by Amardeep Rawat

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: header file for mdc.c —————————- revision 1.1 locked by: root; date: 2015/02/02 08:35:46; … Continue reading →

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master array created and calculated the code length using functions…

Posted on February 9, 2015 by Vishal Dabas

  RCS file: header.h,v Working file: header.h head: 1.5 branch: locks: strict root: 1.5 access list: symbolic names: keyword substitution: kv total revisions: 5; selected revisions: 5 description: It includes all the header files. —————————- revision 1.5 locked by: root; … Continue reading →

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Creation of master array for MDC project without using functions

Posted on February 8, 2015 by Vineet

RCS file: mdc.c,v Working file: mdc.c head: 1.2 branch: locks: strict root: 1.2 access list: symbolic names: keyword substitution: kv total revisions: 2; selected revisions: 2 description: This is the base file for mdc project…. —————————- revision 1.2 locked by: … Continue reading →

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Create different function in MDC

Posted on February 8, 2015 by Shashank Arora

RCS file: projectmdc.c,v Working file: projectmdc.c head: 1.13 branch: locks: strict root: 1.13 access list: symbolic names: keyword substitution: kv total revisions: 13; selected revisions: 13 description: Introduce header.h file create datain_file text file and open the content through file … Continue reading →

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master array created and calculated the code length successfully.

Posted on February 7, 2015 by Vishal Dabas

  RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: It includes all the header files. —————————- revision 1.1 locked by: root; … Continue reading →

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I creat master array using function

Posted on February 6, 2015 by Amardeep Rawat

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: header file for mdc.c —————————- revision 1.1 locked by: root; date: 2015/02/02 08:35:46; … Continue reading →

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Able to compress the data, calculate the distinct character and able to define how many bits is required for compressed data

Posted on February 5, 2015 by Shashank Arora

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: create a seperate header.h file to store header file indiviually access this header … Continue reading →

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Read from file and store into master array.

Posted on February 5, 2015 by Vineet

RCS file: mdc.c,v Working file: mdc.c head: 1.2 branch: locks: strict root: 1.2 access list: symbolic names: keyword substitution: kv total revisions: 2; selected revisions: 2 description: This is the base file for mdc project…. —————————- revision 1.2 locked by: … Continue reading →

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Give the memory and display the data using malloc and realloc function in MDC

Posted on February 5, 2015 by Shashank Arora

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: create a seperate header.h file to store header file indiviually access this header … Continue reading →

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Master array created for Multiple Data Compression(MDC)

Posted on February 5, 2015 by Sachin Jangid

RCS file: mdc.c,v Working file: mdc.c head: 1.6 branch: locks: strict root: 1.6 access list: symbolic names: keyword substitution: kv total revisions: 6;    selected revisions: 6 description: opened a file —————————- revision 1.6    locked by: root; date: 2015/02/05 08:25:21;  author: … Continue reading →

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Find the code length of master array.

Posted on February 5, 2015 by Amardeep Rawat

RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: header file for mdc.c —————————- revision 1.1 locked by: root; date: 2015/02/02 08:35:46; … Continue reading →

Posted in Project 2: Multiple Data Compression and Encryption, Uncategorized | Leave a comment