Wavelets and Subband Coding

... Transform and Lapped Transform Coding of Images . . . . . 415 7.3.2 PyramidCodingofImages 421 7.3.3 Subband and Wavelet Coding of Images . . . 425 7.3.4 Advanced Methods in Subband and Wavelet ... one-, two- and three-dimensional signal compression methods based on transforms. Speech and audio compression, where subband coding was first invented, is discussed. The success...

Ngày tải lên: 03/01/2014, 23:54

... LLC [3] Vetterli, M., Multidimensional subband coding: Some theory and algorithms, Signal Proc., 6, 97–112, Feb. 1984. [4] Woods, J.W. and O’Neil S.D., Subband coding of images, IEEE Trans. Acoust., ... M. and Kovacevic, J., Wavelet and Subband Coding, Prentice-Hall, Englewood Cliffs, NJ, 1995. [11] Daubechies, I., Orthonormal bases of compactly supported wavelets, Commun...

Ngày tải lên: 25/12/2013, 06:16

... cleaves cellular noncoding RNAs and affects coding mRNAs Vladimir A. Mitkevich 1 , Nickolai A. Tchurikov 1 , Pavel V. Zelenikhin 2 , Irina Yu. Petrushanko 1 , Alexander A. Makarov 1 and Olga N. Ilinskaya 1,2 1 ... intracellular RNA and the expression of proapoptotic and antiapoptotic mRNAs. For four cell lines, we visualized cellular RNA by fluorescence microscopy, and determined R...

Ngày tải lên: 06/03/2014, 09:22

... collapsed. http://www.dotnetspider.com/tutorials/BestPractices.aspx To develop reliable and maintainable applications, you must follow coding standards and best practices. The naming conventions, coding standards and best practices described in this ... Copyrights and Disclaimer 3 3. Revision History 3 4. Introduction 3 5. Purpose of coding standards and best practices 3 6. Ho...

Ngày tải lên: 18/08/2012, 08:47

... bandwidth constraint  Nyquist bandwidth constraint:  The theoretical minimum required system bandwidth to detect Rs [symbols/s] without ISI is Rs/2 [Hz].  Equivalently, a system with bandwidth ... filter Equalizing filter Threshold comparison For bandpass signals Compensation for channel induced ISI Baseband pulse (possibly distored) Sample (test statistic) Baseband pulse Received wav...

Ngày tải lên: 18/10/2013, 06:15

... ,zzZ ZZZZ = =Z Channel Lecture 10 2 Last time, we talked about:  Channel coding  Linear block codes  The error detection and correction capability  Encoding and decoding  Hamming codes  Cyclic codes Lecture 10 ... bits Lecture 10 10 Effective code rate  Initialize the memory before encoding the first bit (all- zero)  Clear out the memory after encoding the last bit (all- zero) ...

Ngày tải lên: 25/10/2013, 06:15

... error correction coding?  Error performance vs. bandwidth  Power vs. bandwidth  Data rate vs. bandwidth  Capacity vs. bandwidth (dB) / 0 NE b B P A F B D C E Uncoded Coded Coding gain: For ... received polynomial by the generator polynomial.  With syndrome and Standard array, error is estimated.  In Cyclic codes, the size of standard array is considerably reduced. )()()( XXX...

Ngày tải lên: 25/10/2013, 06:15

... code uses two levels on coding, an inner code and an outer code (higher rate).  Popular concatenated codes: Convolutional codes with Viterbi decoding as the inner code and Reed-Solomon codes ... each state, and keeps only the path with the largest metric, called the survivor, together with its metric. Lecture 12 6 Soft and hard decision decoding …  ML soft-decisions decoding ru...

Ngày tải lên: 29/10/2013, 13:15

... levels.  Decoding based on soft-bits, is called the “soft-decision decoding”.  On AWGN channels, 2 dB and on fading channels 6 dB gain are obtained by using soft-decoding over hard-decoding. Lecture ... level) which are called “hard- bits”.  Decoding based on hard-bits is called the “hard-decision decoding”. Lecture 11 23 Example of Hard decision Viterbi decoding-cont’d  i=3 0 2 0...

Ngày tải lên: 29/10/2013, 13:15

... User Lecture 1 25 Bandwidth of signal …  Different definition of bandwidth: a) Half-power bandwidth b) Noise equivalent bandwidth c) Null-to-null bandwidth a) Fractional power containment bandwidth b) ... communication system (DCS):  Utilized techniques  Formatting and source coding  Modulation (Baseband and bandpass signaling)  Channel coding  Equalization  Synchronization ...

Ngày tải lên: 08/11/2013, 18:15