Tài liệu A Concise Introduction to Data Compression- P2 ppt

Tài liệu A Concise Introduction to Data Compression- P2 ppt

Tài liệu A Concise Introduction to Data Compression- P2 ppt

... 110 000 a 1 a 1 a 1 0 1|000 a 2 a 1 a 1 0 11|000 a 5 a 1 0 110|000 a 5 a 1 a 1 0 001 a 1 a 1 1 1|001 a 2 a 1 1 11|001 a 5 1 110|001 a 5 a 1 1 010 a 1 a 2 0 1|010 a 2 a 2 0 11|010 a 4 a 1 0 110|010 a 5 a 2 0 011 ... data. A token is used to obtain data from the dictionary and write it on the output. Raw data is output as is. The deco...
Ngày tải lên : 14/12/2013, 15:15
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Tài liệu A Concise Introduction to Data Compression- P3 pptx

Tài liệu A Concise Introduction to Data Compression- P3 pptx

... b,anda, moves the separator, and updates the hash table as follows: abba|abbaabaabaaaa 1234 5678901234567 012345678 4 2 0 0 0 3 0 1 Next, the triplet abb is hashed, and we already know that ... 5, 0, 3, and 5 (we arbitrarily assume that aba hashes to 3). Cell 3 of the hash table is set to 9, and cells 0, 1, and 5 become the starts of linked chains. abbaabbaab|aabaaaa 1234567890 1234567 0...
Ngày tải lên : 14/12/2013, 15:15
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Tài liệu A Concise Introduction to Data Compression- P4 pptx

Tài liệu A Concise Introduction to Data Compression- P4 pptx

... that in a continuous-tone image, adjacent data units of pixels are normally correlated in the sense that the average values of the pixels in adjacent data units are close. We already know that ... digital camera. Once we realize this, we naturally want to compare the resolution of the eye to that of a modern digital camera. Current digital cameras have from 500,000 sensors (for a...
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Tài liệu A Concise Introduction to Data Compression- P6 pptx

Tài liệu A Concise Introduction to Data Compression- P6 pptx

... source, such as sampled sound and scanned images (drawings or photographs). Such data is called digitally sampled analog data (DSAD). (See also Scalar Quantization.) Voronoi Diagrams. Imagine a petri ... caters to those who have already read the book and want to locate a familiar item, as well as to those new to the book who are looking for a particular topic. I have include...
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Tài liệu A Concise Introduction to Data Compression- P1 pdf

Tài liệu A Concise Introduction to Data Compression- P1 pdf

... undergraduates studying in all areas of computing and information science. From core foundational and theoretical material to final-year topics and applications, UTiCS books take a fresh, concise, ... is large and dominant (it contains much of the information of the original data) and the remaining ones are small and contain the details (i.e., the less important features) of the origi...
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Tài liệu A Concise Introduction to Data Compression- P5 docx

Tài liệu A Concise Introduction to Data Compression- P5 docx

... the matrix approach to the Haar transform to introduce the reader to the idea of filter banks. We show how the Haar transform can be interpreted as a bank of two filters, a lowpass and a highpass. ... pail, rail, sail, tail,andwail appear somewhere in S. After sorting, all the permutations that start with il will appear together. All of them contribute an a to L, so L will have...
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Tài liệu A Concise Introduction to Data Compression- P7 doc

Tài liệu A Concise Introduction to Data Compression- P7 doc

... Glossary 273 Circular Queue. A basic data structure (see the last paragraph of Section 1.3.1) that moves data along an array in circular fashion, updating two pointers to point to the start and ... methods (Chapter 3) that save pieces of the data in a “dictionary” data structure. If a string of new data is identical to a piece that is already saved in the dictionary,...
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Tài liệu Module 1: Introduction to Data Warehousing and OLAP pptx

Tài liệu Module 1: Introduction to Data Warehousing and OLAP pptx

... that are separate from the relational database source of information. ! Relational OLAP (ROLAP). Data is stored in and retrieved from a relational database. ! Hybrid OLAP (HOLAP). Data ... particular subject or business activity. It can be relational or multidimensional. A relational data mart may have one or many star schemas that belong to the data mart and contain dat...
Ngày tải lên : 21/12/2013, 19:15
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Tài liệu Module 17: Introduction to Data Mining pptx

Tài liệu Module 17: Introduction to Data Mining pptx

... the training data. The training data is a statistically representative subset of historical data where the attributes to be predicted are known. The training data must contain the case data element, ... predicted are known. Such a data set is called the training data. During the training process, data is inserted into the data mining model. The data mining model a...
Ngày tải lên : 24/01/2014, 19:20
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