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Run Length Codes
"... Run length codes are useful for the compression of binary data. Suppose you have a binary datavector. If the rst sample in the datavector is \0", then there will be positive integers r1;r2;:::;r k (the run lengths) such that the datavector will consist of r1 zeroes, followed by r2 ones, fol ..."
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run lengths (r1;r3;r5;:::) and the even indexed runlengths (r2;r4;r6;:::). In Section 7.1, we apply run length codes to the compression of binary images. In Section 7.2, we consider prefabricated run length codes. In 7.37.4, we cover techniques via which run length coding can be applied to gray level
An Enhanced Run Length Coding for JPEG Image Compression
"... Run length coding is the standard coding technique for compressing the images, especially when images are compressed by block transformation. This method counts the number of repeated zeros which is represented as RUN and appends the nonzero coefficient represented as LEVEL following the sequence o ..."
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Run length coding is the standard coding technique for compressing the images, especially when images are compressed by block transformation. This method counts the number of repeated zeros which is represented as RUN and appends the nonzero coefficient represented as LEVEL following the sequence
Alternating RunLength Coding  A Technique for Improved Test Data Compression
, 2002
"... Storeandgenerate techniques encode a given test set and regenerate the original test set during test with the help of a decoder. They are particularly suitable for IP cores coming with precomputed test sets, and they also offer a natural option for test resource partitioning, because the encoded ..."
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test data can be stored either on or off chip. Previous research has focused on runlength coding where the test set is considered as a sequence of runs of zero, each run terminated by a one. This may lead to an inefficient encoding for runs of ones. In this paper a new encoding strategy is proposed
An Analytical Treatment of Channelinduced Distortion in Run Length Coded Subbands
 in Proc. Data Compression Conference, (Snowbird, UT
, 1997
"... : We present an analytical framework for describing the distortion in an image communications system that includes wavelet transformation, uniform scalar quantization, run length coding, entropy coding, forward error control, and transmission over a binary symmetric channel. Simulations performed us ..."
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: We present an analytical framework for describing the distortion in an image communications system that includes wavelet transformation, uniform scalar quantization, run length coding, entropy coding, forward error control, and transmission over a binary symmetric channel. Simulations performed
Coding of DWT Coefficients using Runlength coding and Huffman Coding for the purpose of Color Image Compression
"... Abstract—In present paper we proposed a simple and effective method to compress an image. Here we found success in size reduction of an image without much compromising with it’s quality. Here we used Haar Wavelet Transform to transform our original image and after quantization and thresholding of DW ..."
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of DWT coefficients Run length coding and Huffman coding schemes have been used to encode the image. DWT is base for quite populate JPEG 2000 technique. Keywords—lossy compression, DWT, quantization, Run length coding, Huffman coding, JPEG2000
Optimal Parsing Trees for RunLength Coding of Biased Data
 IEEE Int. Symposium on Information Theory
, 2006
"... Abstract — We study coding schemes which encode unconstrained sequences into runlengthlimited (d, k)constrained sequences. We present a general framework for the construction of such (d, k)codes from variablelength source codes. This framework is an extension of the previously suggested bit stu ..."
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Abstract — We study coding schemes which encode unconstrained sequences into runlengthlimited (d, k)constrained sequences. We present a general framework for the construction of such (d, k)codes from variablelength source codes. This framework is an extension of the previously suggested bit
Optimal Parsing Trees for RunLength Coding of Biased Data
"... Abstract — We study coding schemes which encode unconstrained sequences into runlengthlimited (d, k)constrained sequences. We present a general framework for the construction of such (d, k)codes from variablelength source codes. This framework is an extension of the previously suggested bit stu ..."
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Abstract — We study coding schemes which encode unconstrained sequences into runlengthlimited (d, k)constrained sequences. We present a general framework for the construction of such (d, k)codes from variablelength source codes. This framework is an extension of the previously suggested bit
Comment on \An Upper Bound on RunLength Coding Entropy"
"... In the above letter,1 the authors prove that their equation (11) has one and only one solution in the interval 0 < x < 1 when 1 < R < (M + 1)=2 and, in the interval x> 1 when R> (M + 1)=2: It is my aim to provide an alternative proof to Theorem 1 and to show that a stronger result ..."
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In the above letter,1 the authors prove that their equation (11) has one and only one solution in the interval 0 < x < 1 when 1 < R < (M + 1)=2 and, in the interval x> 1 when R> (M + 1)=2: It is my aim to provide an alternative proof to Theorem 1 and to show that a stronger result can be obtained with the help of Descartes ' rule of signs [1] and symmetry considerations. The equation under consideration is the following: f(M; R; x) = (M ¡R)xM+1 ¡ (M ¡R+ 1)xM +Rx+ 1¡R = 0 (1) It is clear that f(M; R; x) admits a double zero x = 1: Descartes ' rule of signs states that the number Z of positive zeros of a polynomial and the number C of sign changes of the sequence of its coe±cients are related in the following way: C ¡ Z ¸ 0 and C ¡ Z is an even number. For 1 < R < M; the number of sign changes of f(M; R; x) is C = 3 by inspection. Since there is already a positive double root, the conclusion that there is an additional positive root x(M; R) follows straightforwardly from Descartes ' rule of signs.
1Optimal Parsing Trees for RunLength Coding of Biased Data
"... All intext references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately. ..."
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All intext references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately.
Efficient Test Data Compression Using Transition Directed Runlength Code in SystemonaChip
"... Abstract A new test data compression method using Transition Directed Runlength code (TDR) is proposed. The proposed method is suitable for encoding the test set for embedded cores in a systemonachip. The previous researches have shown that runlength coding can provide high compression ratio f ..."
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Abstract A new test data compression method using Transition Directed Runlength code (TDR) is proposed. The proposed method is suitable for encoding the test set for embedded cores in a systemonachip. The previous researches have shown that runlength coding can provide high compression ratio
Results 1  10
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