Compressed sensing with probabilistic measurements: A group testing solution. Cheraghchi, M., Hormati, A., Karbasi, A., & Vetterli, M. In Proceedings of the 47th Annual Allerton Conference on Communication, Control, and Computing, pages 30–35, 2009. Extended version in IEEE Transactions on Information Theory.Link Paper doi abstract bibtex Detection of defective members of large populations has been widely studied in the statistics community under the name "group testing", a problem which dates back to World War II when it was suggested for syphilis screening. There, the main interest is to identify a small number of infected people among a large population using collective samples. In viral epidemics, one way to acquire collective samples is by sending agents inside the population. While in classical group testing, it is assumed that the sampling procedure is fully known to the reconstruction algorithm, in this work we assume that the decoder possesses only partial knowledge about the sampling process. This assumption is justified by observing the fact that in a viral sickness, there is a chance that an agent remains healthy despite having contact with an infected person. Therefore, the reconstruction method has to cope with two different types of uncertainty; namely, identification of the infected population and the partially unknown sampling procedure. In this work, by using a natural probabilistic model for "viral infections", we design non-adaptive sampling procedures that allow successful identification of the infected population with overwhelming probability $1-o(1)$. We propose both probabilistic and explicit design procedures that require a "small" number of agents to single out the infected individuals. More precisely, for a contamination probability $p$, the number of agents required by the probabilistic and explicit designs for identification of up to $k$ infected members is bounded by $m = O(k^2 (łog n) / p^2)$ and $m = O(k^2 (łog^2 n) / p^2)$, respectively. In both cases, a simple decoder is able to successfully identify the infected population in time $O(mn)$.
@INPROCEEDINGS{ref:conf:CHKV09,
author = {Mahdi Cheraghchi and Ali Hormati and Amin Karbasi
and Martin Vetterli},
title = {Compressed sensing with probabilistic measurements:
A group testing solution},
booktitle = {Proceedings of the 47th {Annual Allerton Conference
on Communication, Control, and Computing}},
year = 2009,
pages = {30--35},
note = {Extended version in {IEEE Transactions on
Information Theory}.},
doi = {10.1109/ALLERTON.2009.5394829},
url_Link = {https://ieeexplore.ieee.org/document/5394829},
url_Paper = {https://arxiv.org/abs/0909.3508},
abstract = {Detection of defective members of large populations
has been widely studied in the statistics community
under the name "group testing", a problem which
dates back to World War II when it was suggested for
syphilis screening. There, the main interest is to
identify a small number of infected people among a
large population using \textit{collective
samples}. In viral epidemics, one way to acquire
collective samples is by sending agents inside the
population. While in classical group testing, it is
assumed that the sampling procedure is fully known
to the reconstruction algorithm, in this work we
assume that the decoder possesses only
\textit{partial} knowledge about the sampling
process. This assumption is justified by observing
the fact that in a viral sickness, there is a chance
that an agent remains healthy despite having contact
with an infected person. Therefore, the
reconstruction method has to cope with two different
types of uncertainty; namely, identification of the
infected population and the partially unknown
sampling procedure. In this work, by using a
natural probabilistic model for "viral infections",
we design non-adaptive sampling procedures that
allow successful identification of the infected
population with overwhelming probability
$1-o(1)$. We propose both probabilistic and explicit
design procedures that require a "small" number of
agents to single out the infected individuals. More
precisely, for a contamination probability $p$, the
number of agents required by the probabilistic and
explicit designs for identification of up to $k$
infected members is bounded by $m = O(k^2 (\log n) /
p^2)$ and $m = O(k^2 (\log^2 n) / p^2)$,
respectively. In both cases, a simple decoder is
able to successfully identify the infected
population in time $O(mn)$. }
}
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There, the main interest is to identify a small number of infected people among a large population using <i>collective samples</i>. In viral epidemics, one way to acquire collective samples is by sending agents inside the population. While in classical group testing, it is assumed that the sampling procedure is fully known to the reconstruction algorithm, in this work we assume that the decoder possesses only <i>partial</i> knowledge about the sampling process. This assumption is justified by observing the fact that in a viral sickness, there is a chance that an agent remains healthy despite having contact with an infected person. Therefore, the reconstruction method has to cope with two different types of uncertainty; namely, identification of the infected population and the partially unknown sampling procedure. In this work, by using a natural probabilistic model for \"viral infections\", we design non-adaptive sampling procedures that allow successful identification of the infected population with overwhelming probability $1-o(1)$. We propose both probabilistic and explicit design procedures that require a \"small\" number of agents to single out the infected individuals. More precisely, for a contamination probability $p$, the number of agents required by the probabilistic and explicit designs for identification of up to $k$ infected members is bounded by $m = O(k^2 (łog n) / p^2)$ and $m = O(k^2 (łog^2 n) / p^2)$, respectively. In both cases, a simple decoder is able to successfully identify the infected population in time $O(mn)$. ","bibtex":"@INPROCEEDINGS{ref:conf:CHKV09,\n author =\t {Mahdi Cheraghchi and Ali Hormati and Amin Karbasi\n and Martin Vetterli},\n title =\t {Compressed sensing with probabilistic measurements:\n A group testing solution},\n booktitle =\t {Proceedings of the 47th {Annual Allerton Conference\n on Communication, Control, and Computing}},\n year =\t 2009,\n pages =\t {30--35},\n note =\t {Extended version in {IEEE Transactions on\n Information Theory}.},\n doi =\t\t {10.1109/ALLERTON.2009.5394829},\n url_Link =\t {https://ieeexplore.ieee.org/document/5394829},\n url_Paper =\t {https://arxiv.org/abs/0909.3508},\n abstract =\t {Detection of defective members of large populations\n has been widely studied in the statistics community\n under the name \"group testing\", a problem which\n dates back to World War II when it was suggested for\n syphilis screening. There, the main interest is to\n identify a small number of infected people among a\n large population using \\textit{collective\n samples}. In viral epidemics, one way to acquire\n collective samples is by sending agents inside the\n population. While in classical group testing, it is\n assumed that the sampling procedure is fully known\n to the reconstruction algorithm, in this work we\n assume that the decoder possesses only\n \\textit{partial} knowledge about the sampling\n process. This assumption is justified by observing\n the fact that in a viral sickness, there is a chance\n that an agent remains healthy despite having contact\n with an infected person. Therefore, the\n reconstruction method has to cope with two different\n types of uncertainty; namely, identification of the\n infected population and the partially unknown\n sampling procedure. In this work, by using a\n natural probabilistic model for \"viral infections\",\n we design non-adaptive sampling procedures that\n allow successful identification of the infected\n population with overwhelming probability\n $1-o(1)$. We propose both probabilistic and explicit\n design procedures that require a \"small\" number of\n agents to single out the infected individuals. More\n precisely, for a contamination probability $p$, the\n number of agents required by the probabilistic and\n explicit designs for identification of up to $k$\n infected members is bounded by $m = O(k^2 (\\log n) /\n p^2)$ and $m = O(k^2 (\\log^2 n) / p^2)$,\n respectively. In both cases, a simple decoder is\n able to successfully identify the infected\n population in time $O(mn)$. }\n}\n\n","author_short":["Cheraghchi, M.","Hormati, A.","Karbasi, A.","Vetterli, M."],"key":"ref:conf:CHKV09","id":"ref:conf:CHKV09","bibbaseid":"cheraghchi-hormati-karbasi-vetterli-compressedsensingwithprobabilisticmeasurementsagrouptestingsolution-2009","role":"author","urls":{" link":"https://ieeexplore.ieee.org/document/5394829"," paper":"https://arxiv.org/abs/0909.3508"},"metadata":{"authorlinks":{"cheraghchi, m":"https://mahdi.ch/"}}},"bibtype":"inproceedings","biburl":"http://mahdi.ch/writings/cheraghchi.bib","creationDate":"2020-05-29T01:34:46.657Z","downloads":1,"keywords":[],"search_terms":["compressed","sensing","probabilistic","measurements","group","testing","solution","cheraghchi","hormati","karbasi","vetterli"],"title":"Compressed sensing with probabilistic measurements: A group testing solution","year":2009,"dataSources":["YZqdBBx6FeYmvQE6D"]}