Data compression of discrete sequence a tree based approach using dynamic programming

Cover of: Data compression of discrete sequence |

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .

Written in English

Read online

Subjects:

  • Data compression.,
  • Dynamic programming. Sequencing.,
  • Sequencing.

Edition Notes

Book details

Other titlesTree based approach using dynamic programming.
StatementGuruprasad Shivaram, Guna Seetharaman, and T.R.N. Rao.
Series[NASA contractor report] -- NASA-CR-201860., NASA contractor report -- NASA CR-201860.
ContributionsSeetharaman, Guna., Rao, T. R. N. 1933-, United States. National Aeronautics and Space Administration.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL15499044M

Download Data compression of discrete sequence

Data compression can be viewed as a special case of data differencing. Data differencing consists of producing a difference given a source and a target, with patching reproducing the target given a source and a difference.

Since there is no separate source and target in data compression, one can consider data compression as data differencing with empty source data, the compressed file.

General concepts. While standard data compression tools (e.g., zip and rar) are being used to compress sequence data (e.g., GenBank flat files), this approach has been criticized to be extravagant because genomic sequences often contain repetitive content (e.g., microsatellite sequences) or many sequences exhibit high levels of similarity (e.g., multiple genome sequences from the same species).

Ida Mengyi Pu, in Fundamental Data Compression, Compression. Data compression can be viewed as a means for efficient representation of a digital source of data such as text, image, sound or any combination of all these types such as video.

The goal of data compression is to represent a source in digital form with as few bits as possible while meeting the minimum requirement of. Get this from a library. Data compression of discrete sequence: a tree based approach using dynamic programming.

[Guruprasad Shivaram; Guna Seetharaman; T R N Rao; United States. National Aeronautics and Space Administration.]. book will cover are the various types of data compression commonly used on personal and midsized computers, including compression of binary programs, data, sound, and graphics.

Furthermore, this book will either ignore or only lightly cover data-compression techniques that rely on hardware for practical use or that require hardware applications. Introduction to Data Compression, Third Edition, is a concise and comprehensive guide to data compression. This book introduces the reader to the theory underlying today’s compression techniques with detailed instruction for their applications using several examples to explain the concepts.

Data Compression Debra A. er Lelew and Daniel S. b herg Hirsc Abstract This pap er eys surv a y ariet v of data compression metho ds spanning almost y fort ears y of h, researc from the ork w Shannon, ano F and Hu man in late 40's to a hnique tec elop deved in The aim of data compression is to reduce redundancy stored or ated unic comm.

There are many books published in the data compression field. Since the data compression area can be categorized in several parts, like lossless and lossy compression, audio, image and video compression, text compression, universal compression and so on, there Data compression of discrete sequence book a lot of compression books on the market, which treat only a special part of the whole compression field.

The Data Compression Book Second Edition The Data Compression Book is the most authoritative guide to data compression techniques available. This second edition has been updated to include fractal compression techniques and all the latest developments in the compression by: “Methods for Data Compression”.

The patent application clai med that if it was applied recursively, a file could be reduced to almost nothing. With a little though t you should convince yourself that this is not possible, at least if the source messages can contain any bit-sequence.

We can see this by a simple counting argument. A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different DCT, first proposed by Nasir Ahmed inis a widely used transformation technique in signal processing and data is used in most digital media, including digital images (such as JPEG and HEIF, where small high-frequency.

The area of data compression techniques in computational biology has been surveyed by Giancarlo et al.[9,10], with more focus on the theory and data compression applications in sequence analysis than storage and indexing of data from high-throughput by: Data Compression: A little introduction for beginners When you look at computers and the internet, data compression is everywhere.

The music you listen to, the pictures you see, the movies, all that is data, and all that needs to be compressed in some way or another so it "fits" into your computer memory and so it can be downloaded or sent to. Data compression is one of the most important fields and tools in modern computing.

From archiving data, to CD ROMs, and from coding theory to image analysis, many facets of modern computing rely upon data compression. Data Compression provides a comprehensive reference for the many different types and methods of compression.

Included are a detailed and helpful taxonomy, 4/5(5). The most common format for DNA sequencing data is now FASTQ format. of the book Understanding Compression Data Compression for Modern Developers Colt by McAnlis, Aleks Haecky (O'Reilly Sardaraz M, Tahir M, Ikram AA.

Advances in high throughput dna sequence data compression. J Bioinform Comput Biol 0(0),(0). doi: Each edition of Introduction to Data Compression has widely been considered the best introduction and reference text on the art and science of data compression, and the fourth edition continues - Selection from Introduction to Data Compression, 4th Edition [Book].

User Review - Flag as inappropriate This is a book review of, Data Compression: The Complete Reference. I am reviewing, Data Compression: The Complete Reference, because pages of this book are about me and my recursive data compression. If you read this book about recursive data compression in section you can find my name printed in bold face, along with a statement that 3/5(3).

Data compression can be applied to various forms of data, such as images and signals. It is used to reduce costs and increase efficiency in the maintenance of. of data compression involving some experimental work. A project report and presentation at the end of the course will be required.

More details will follow early in the course. 20% Midterm exam: Closed-book exam, 80 minutes in length. 30% Final exam: Closed-book exam, 3. The difference between discrete and continuous data can be drawn clearly on the following grounds: Discrete data is the type of data that has clear spaces between values.

Continuous data is data that falls in a continuous sequence. Discrete data is countable while continuous data is measurable. Discrete data contains distinct or separate values. Introduction to Data Compression, Fourth Edition, is a concise and comprehensive guide to the art and science of data compression.

This new edition includes all the cutting edge updates the reader will need during the work day and in Edition: 4. − Discrete Fourier Transform (DFT) – what it is and what it means case this is just viewed as a sequence of random variables.

EECE Syllabus – Spring • Text Book: Introduction to Data Compression, 3rd Edition, by Kahlid Sayood (you can probably get away with using the 2nd edition if. Post-Sanger sequencing methods produce tons of data, and there is a generalagreement that the challenge to store and process them must be addressedwith data compression.

In this review we first answer the question“why compression” in a quantitative manner. Then we also answerthe questions “what” and “how”, by sketching thefundamental compression ideas, describing the main Cited by: Handbook of Data Compression 5th ed.

Edition however Vbis states that this should be done using a comparison of the number of bits required to encode a sequence before and after compression etc etc etc. Read more. 8 people found this helpful. by: Coding for Discrete Sources Introduction A general block diagram of a point-to-point digital communication system was given in Figure The source encoder converts the sequence of symbols from the source to a sequence of binary digits, preferably using as few binary digits per symbol as possible.

The source decoder. Abstract. Discrete sequence data can be considered the categorical analog of time series data. As in the case of time series data, it contains a single contextual attribute that typically corresponds to time.

However, the behavioral attribute is by: 1. data. FLAC (Section ). FLAC (free lossless audio compression) is the brainchild of Josh Coalson who developed it in based on ideas from Shorten. FLAC was es-pecially designed for audio compression, and it also supports streaming and archival of audio data.

Coalson started the FLAC project on the well-known sourceforge Web. viii • The second new chapter, Chapter 6, discusses video compression. The chapter opens with a general description of CRT operation and basic analog and digital video concepts.

It continues with a general discussion of video compression, and it concludes with a description of MPEG-1 and H • Audio compression is the topic of the third new chapter, Chapter 7.

Data compression has important application in the areas of data transmission and data storage. Many data processing applications require storage of large volumes of data, and the number of such applications is constantly increasing as the use of computers extends to new disciplines.

A novel idea of using data compression techniques for prefetching was recently advocated in [KrV, (that leave virtually no time between adjacent requests for prefetching and book keeping).

We conclude that prediction for prefetching based on data compression techniques holds great promise. "Discrete Sequence Prediction and its Cited by: In the sixth step, the sequence is encoded by either Huffman or arithmetic encoding to form the final compressed file. The amount of compression, and the resulting loss of image quality, can be selected when the JPEG compression program is run.

Figure shows the type of image distortion resulting from high compression ratios. Data Compression Strategies Table shows two different ways that data compression algorithms can be categorized.

In (a), the methods have been classified as either lossless or lossy.A lossless technique means that the restored data file is identical to the original. This is absolutely necessary for many types of data, for example: executable code, word processing files, tabulated numbers, etc.

DISCRETE COSINE TRANSFORMS ~ Jennie G. Abraham FallEE Reference Book: THE TRANSFORM AND DATA COMPRESSION HANDBOOK, edited by K.R. Rao and P.C. Yip Transform Introduction In general, there are several characteristics that are.

A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies. The DCT, first proposed by Nasir Ahmed inis a widely used transformation technique in signal processing and data compression.

It is used in. Data compression is a necessary technique required in various scenarios these days from data communication to data storage. Text is an important form of data used ubiquitously in different.

In some respects compression and the classification task in learning are very close. In a discrete variable setting, in order to compress a source X1 X2 X3 you ideally would like to know pn(X1 X2 X3 Xn), i.e. the law governing the X proc.

− Discrete Fourier Transform (DFT) – what it is and what it means case this is just viewed as a sequence of random variables − Correlation Function – for a discrete-time random process this is nothing more • Text Book: Introduction to Data Compression, 2nd Edition, by Kahlid Sayood.

Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete a non-time variable jumps from one value to another as time moves from one time period to the next.

This view of time corresponds to a digital clock that. In his paper, ``A Mathematical Theory of Communication,'' Claude E. Shannon formulated the theory of data n established that there is a fundamental limit to lossless data compression. This limit, called the entropy rate, is denoted by exact value of H depends on the information source more specifically, the statistical nature of the source.

Determine if the following set of data is discrete or continuous: The number of books on your shelves. Data Compression. This section under major construction. Data compression: reduces the size of a file to save space when storing it and to save time when transmitting it.

Moore's law: # transistor on a chip doubles every months. Parkinson's law: data expands to fill available space.Introduction to Data Compression, Fifth Edition, builds on the success of what is widely considered the best introduction and reference text on the art and science of data compression.

Data compression techniques and technology are ever-evolving with new applications in image, speech, text. Compression Model: transmission channel and reception channel.

The encoding can be by lossless or lossy methods (Hankerson et al., ). First, the data in the receiver are the same that in the transmitter; while in the second, a part of the information is lost in the by: 3.

4190 views Friday, December 4, 2020