'Code word' presentation slideshows

Topic 20: Huffman Coding

Topic 20: Huffman Coding. The author should gaze at Noah, and ... learn, as they did in the Ark, to crowd a great deal of matter into a very small compass. Sydney Smith, Edinburgh Review. Compression. Storage of digital information measured in bits and bytes.

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Huffman coding

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Huffman Coding: An Application of Binary Trees and Priority Queues

Huffman Coding: An Application of Binary Trees and Priority Queues. Encoding and Compression of Data. Fax Machines ASCII Variations on ASCII min number of bits needed cost of savings patterns modifications. Purpose of Huffman Coding. Proposed by Dr. David A. Huffman in 1952

615 views • 44 slides

Ensembles of Classifiers Evgueni Smirnov

Ensembles of Classifiers Evgueni Smirnov. Outline. Methods for Independently Constructing Ensembles Majority Vote Bagging and Random Forest Randomness Injection Feature-Selection Ensembles Error-Correcting Output Coding Methods for Coordinated Construction of Ensembles Boosting

688 views • 43 slides

S.72-227 Digital Communication Systems

S.72-227 Digital Communication Systems. Course Overview, Basic Characteristics of Block Codes. S.72-227 Digital Communication Systems. Lectures : Prof. Timo O. Korhonen, tel. 09 451 2351, Research Scientist Michael Hall, tel. 09 451 2343

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Channel Coding

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DATA COMMUNICATION 2-dimensional transmission

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COEN 180

COEN 180. Erasure Correcting, Error Detecting, and Error Correcting Codes. Basics. Use encoding to protect data for storage for transmission. Encode in order to Discover errors Example: CRC code tagged onto IP packets. Example: ISBN number check digit Correct errors

465 views • 27 slides

II. Linear Block Codes

II. Linear Block Codes. Last Lecture. What are Linear Block Codes? Linear Systematic Block Codes Generator Matrix and Encoding Process Parity Check Matrix, Syndrome & Error Detection Process Encoding Circuit & Syndrome Circuit. Hamming Weight w ( v ): The number of nonzero components of v.

1.16k views • 26 slides

Digital Multiplexing

Digital Multiplexing. 1- Pulse Code Modulation 2- Plesiochronous Digital Hierarchy 3- Synchronous Digital Hierarchy. Pulse Code Modulation.

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Dealing with Data

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Channel Coding (I)

Channel Coding (I). Basic Characteristics of Block Codes. Topics today. Block codes repetition codes parity codes Hamming codes cyclic codes Forward error correction (FEC) system error rate in AWGN Encoding and decoding Codes characterization code rate Hamming distance

1.33k views • 25 slides

Lossless data compression

Lossless data compression. Lecture 1. Data Compression. Lossless data compression : Store/Transmit big files using few bytes so that the original files can be perfectly retrieved. Example: zip .

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Lecture 3 Combinational Circuits

Lecture 3 Combinational Circuits. CSCE 211 Digital Design. Topics Basic Gates (3.1) Adders: half-adder, full-adder Gray Code (2.11) N-cube (2.14) Error Correcting codes (2.15) Boolean Algebra (4.1) Combinational-Circuit Analysis (4.2). August 28, 2003. Overview. Last Time

378 views • 24 slides

Binary Codes

Binary Codes. In the coding, when numbers, letters or words are represented by a specific group of symbols, it is said that the number, letter or word is being encoded.

4.39k views • 19 slides

VHDL/FPGA Applications in Signal Processing and Communications

VHDL/FPGA Applications in Signal Processing and Communications. By: Robert Patterson and Ismail Jouny. Overview of Presentation. Description of an FPGA Description of VHDL Applications Error Control Coding CDMA Communications Master/Slave And Token Ring Networks

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ECE 2110: Introduction to Digital Systems

ECE 2110: Introduction to Digital Systems. BCD, Gray, Character, Action/Event, Serial Data. Previous class Summary. Signed Addition/subtraction Overflow Sign extension Unsigned multiplication/division Shift-and-add Shift-and-subtract. Binary Codes for Decimal Numbers.

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The Plant Cell

The Plant Cell. Take a trip through the cell.

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UNIVERSITI TEKNOLOGI MARA (KAMPUS PULAU PINANG) BEL 311 ENGLISH FOR ACADEMIC PURPOSES Extra work

UNIVERSITI TEKNOLOGI MARA (KAMPUS PULAU PINANG) BEL 311 ENGLISH FOR ACADEMIC PURPOSES Extra work way to over come child abduction LECTURER : PN SUZANA AB RAHIM MEMBER: MOHD NAZIR BIN MOHAMAD KHAMIM MOHD NUR ARIFF BIN NORDIN . Way to overcome child abduction.

281 views • 13 slides

DYNAMICS

Atkinson-Shiffrin Model:. DYNAMICS. Basic Sequence. Sensory Input. Short-Term Memory. Long-Term Memory. Sensory Memory. Suppose that you wanted to memorize the phone number of a restaurant: 562-7837. In terms of the model, your goal is to get this information into long-term memory.

394 views • 10 slides