Questions tagged [encoding-scheme]

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CNF encoding of additions

I have $m$ equations of the following form: $$x_1+x_2+\cdots+x_n=s,$$ where each variable is either 1 or 0, and the total number of variables is $m\approx3{,}000$. So I’m thinking of modeling each ...
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How to model most optimized encoding of string data

Sorry if this question isn't super well defined, I am just struggling currently with figuring out what an "ideal solution" looks like to the following problem, and haven't pinned down an equation. I ...
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23 views

MDS codes with a given proportion of weights

I was trying to understand the hamming weight distribution of codewords in MDS codes. I read (https://wiki.cse.buffalo.edu/cse545/content/mds-codes) the following: Let C be a $[n, k, d]$ MDS code . ...
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LDPC:How to detect total number of errors in a codeword using minimum distance?

Currently, i working with LDPC for FPGA implementation. I have formed H matrix of size 102X204 (N=204,K=102,M=102,R=0.5). Doubt in Error detection and correction for bigger matrix. I know that code'...
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Implementing a decoding algorithm for directed figure codes

I have to implement algorithm, where definitions, input and output of program go as follows: $Σ$ - finite, non-empty alphabet A translation in $Z^2$ by vector $u = ( u_x , u_y ) ∈ Z^...
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algorithm for encoding segmentations in RGBA data

I'm trying to figure out a good way of encoding object segmentation data into a single RGBA image. I'd like to not only distinguish between classes, but also individuals within classes, and be able to ...
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34 views

Error Detection Distance of Residue Codes

Given a residue code representing a number N with the tuple (N, R(N))where R(N) equals ...
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80 views

Homomorphic computation?

Cryptography has the concept of homomorphic encryption. Homomorphic encryption lets you transform binary values into an encoded form, put them through a circuit and then decode the bits, getting the ...
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190 views

What is bi-binary code?

This being used in data bits transmitted by GLONASS Satellites. I am sure it is different from other codes like 'Binary Code' which the search engine throws up
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G1, G2, H1, H2 are submatrices of the generator and parity check matrices of a code as described below. Can G1 * H2' and G2 * H1' both be all zeroes?

$ G $ and $ H $ are the generator and parity check matrices respectively of a linear block code. Let $ G_1 = G(:, 1:n-s) $ (Matlab style representation of sub matrices). That is, $ G_1 $ is equal to ...
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Why do I not get the correct smallest possible value in 2's complement?

When using 2's complement with 4 bits, the largest positive int I can represent is 0111. The smallest negative one is 1000. The smallest int should intuitively be the negative of 0111 - 1 = 0110 ...
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Lambda Expression Reduction

I am unable to solve the following lambda expression using both normal order (Call-by-name) and applicative order (Call-by-value) reduction. I keep getting different answers for both. This is the ...
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117 views

How can I construct a Turing Machine that accepts encoding of another Turing Machine? [closed]

How can I construct a Turing Machine that accepts the language L = <'M'> which is an encoding of a Turing Machine M?
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535 views

How do I interpret a binary tree generated using Huffman coding algorithm?

In the lecture note here, a binary tree was generated from the huffman algorithm. However it did not explain what this graph mean. From this binary tree, what can we say about the encoding for the ...

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