1, reference book "Introduction to Data Compression (4th edition)" Page 663-2 Use the program Huff_enc to do the following (in each case, using the codebook generated by the compressed image).(a) Encode Sena, Sensin, and Omaha images.Answer: (a) Sena: Before compression: 64.0 KB (65,536 bytes)--After compression: 56.1 KB (57,503 bytes) Compression ratio: 88%Sensin: Before compression: 64.0 KB (65,536 bytes)
Reference Books topic:2, using the program Huff_enc and Huff_dec to do the following (in each case, the use of compressed images generated by the codebook).(a) Encode Sena, Sensin, and Omaha images.(b) Write a procedure to get the difference between adjacent, and then encode the difference image using Huffman.Give the file size of each experiment and explain the difference.Solution: (a)
Filename
Before compression
After compres
Reference book "Introduction to Data Compression (4th edition)" Page2 Use the program Huff_enc and Huff_dec to do the following (in each case, using the codebook generated by the compressed image).(a) Encode Sena, Sensin, and Omaha images.(b) Write a procedure to get the difference between adjacent, and then encode the difference image using Huffman.(c) Use Adap_huff to repeat (a) and (b). Solution :
Filename
Before compression
On the morning of July 15, April 4, Beijing time, according to foreign media reports, the video sharing website YouTube has not yet brought any profit to the "Dongjia" Google. Credit Suisse believes that this year Google will "get a blood transfusion" of $0.47 billion for YouTube.Credit Suisse analysts Spencer Wang and Kenth Sena predict that, although YouTube occupies 41% of the online video market, revenue will be only $0.24 bill
the LP Printing Service
Lpforms-manage the format used by the LP Printing Service
Lpget-Get print Configuration
Lpmove-mobile print request
Lpsched-start the LP Printing Service
Lpset-set print configuration in/etc/printers. conf or FNS
Lpshut-stop the LP Printing Service
Lpsystem-register a remote system with the Print Service
Lpusers-set the priority of the print queue
Management Programs of luxadm-Sena, RSM, and SSA subsystems
M
Bytes ------------
corresponding to the two binary trees.
Achievements:
It is known that the input characters are the first sequence of a binary tree, such as abcXXdeXgXXfXXX (where X indicates an empty node ).
Struct node * make () {char c; node * st; c = getchar (); if (c = 'X') st = NULL; else {st = (struct node *) malloc (sizeof (struct node); st-> data = c; // known for first-order traversal, first fill the root node st-> left = make (); // recursively fill the left branch st-> right = make (); // recurs
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