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1.
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Real-time semantic segmentation on FPGAs for autonomous vehicles with hls4ml
/ Ghielmetti, Nicolò (CERN ; Milan, Polytech.) ; Loncar, Vladimir (CERN ; Belgrade, Inst. Phys.) ; Pierini, Maurizio (CERN) ; Roed, Marcel (CERN ; Oxford U.) ; Summers, Sioni (CERN) ; Aarrestad, Thea (Zurich, ETH) ; Petersson, Christoffer (Zurich, ETH) ; Linander, Hampus (U. Gothenburg (main)) ; Ngadiuba, Jennifer (Fermilab) ; Lin, Kelvin (Washington U., Seattle) et al.
In this paper, we investigate how field programmable gate arrays can serve as hardware accelerators for real-time semantic segmentation tasks relevant for autonomous driving. Considering compressed versions of the ENet convolutional neural network architecture, we demonstrate a fully-on-chip deployment with a latency of 4.9 ms per image, using less than 30% of the available resources on a Xilinx ZCU102 evaluation board. [...]
arXiv:2205.07690; FERMILAB-PUB-22-435-PPD.-
2022-11-04 - 11 p.
- Published in : Mach. Learn. Sci. Tech. 3 (2022) 045011
Fulltext: 2205.07690 - PDF; Publication - PDF; f2d50a583ff4bb97db9c9fa1e30b704c - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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2.
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Fast convolutional neural networks on FPGAs with hls4ml
/ Aarrestad, Thea (CERN) ; Loncar, Vladimir (CERN ; Belgrade, Inst. Phys.) ; Ghielmetti, Nicolò (CERN ; Belgrade, Inst. Phys.) ; Pierini, Maurizio (CERN) ; Summers, Sioni (CERN) ; Ngadiuba, Jennifer (Caltech, Pasadena (main)) ; Petersson, Christoffer (Unlisted, SE ; Chalmers U. Tech.) ; Linander, Hampus (Unlisted, SE) ; Iiyama, Yutaro (Tokyo U., ICEPP) ; Di Guglielmo, Giuseppe (Columbia U. (main)) et al.
We introduce an automated tool for deploying ultra low-latency, low-power deep neural networks with convolutional layers on FPGAs. By extending the hls4ml library, we demonstrate an inference latency of $5\,\mu$s using convolutional architectures, targeting microsecond latency applications like those at the CERN Large Hadron Collider. [...]
arXiv:2101.05108; FERMILAB-PUB-21-130-SCD.-
2021-07-16 - 25 p.
- Published in : Mach. Learn. Sci. Technol. 2 (2021) 045015
Fulltext: 2101.05108 - PDF; fermilab-pub-21-130-scd - PDF; document - HTM; Fulltext from Publisher: PDF; Fulltext from publisher: PDF; External link: Fermilab Library Server
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3.
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Light stop squarks and b-tagging
/ Ferretti, Gabriele (Chalmers U. Tech.) ; Franceschini, Roberto (CERN) ; Petersson, Christoffer (Intl. Solvay Inst., Brussels ; Chalmers U. Tech. ; Brussels U., PTM) ; Torre, Riccardo (INFN, Padua ; Padua U.)
A significant part of the parameter space for light stop squarks still remains unconstrained by collider searches. For both R-Parity Conserving (RPC) and R-Parity Violating (RPV) scenarios there are regions in which the stop mass is around or below the top quark mass that are particularly challenging experimentally. [...]
arXiv:1506.00604; DFPD-2015-TH-12.-
2015
- Published in : PoS CORFU2014 (2015) 076
Published version from PoS: PDF; External link: Preprint
In : 14th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Attiki, Greece, 3 - 21 Sep 2014, pp.076
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4.
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Spot the stop with a b-tag
/ Ferretti, Gabriele (Chalmers U. Tech.) ; Franceschini, Roberto (CERN) ; Petersson, Christoffer (Chalmers U. Tech. ; Brussels U., PTM ; Intl. Solvay Inst., Brussels) ; Torre, Riccardo (Padua U. ; INFN, Padua)
The LHC searches for light compressed stop squarks have resulted in considerable bounds in the case where the stop decays to a neutralino and a charm quark. However, in the case where the stop decays to a neutralino, a bottom quark and two fermions via an off-shell W-boson, there is currently a significant unconstrained region in the stop-neutralino mass plane, still allowing for stop masses in the range 90-140 GeV. [...]
arXiv:1502.01721; CERN-PH-TH-2015-019; DFPD-2014-TH-03.-
Geneva : CERN, 2015 - 6 p.
- Published in : Phys. Rev. Lett. 114 (2015) 201801
APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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5.
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Multilepton signals of gauge mediated supersymmetry breaking at the LHC
/ D'Hondt, Jorgen (Brussels U., IIHE ; Vrije U., Brussels ; Intl. Solvay Inst., Brussels) ; De Causmaecker, Karen (Brussels U., IIHE ; Vrije U., Brussels ; Intl. Solvay Inst., Brussels ; CERN) ; Fuks, Benjamin (CERN ; Strasbourg, IPHC) ; Mariotti, Alberto (Durham U., IPPP) ; Mawatari, Kentarou (Brussels U., IIHE ; Vrije U., Brussels ; Intl. Solvay Inst., Brussels) ; Petersson, Christoffer (Intl. Solvay Inst., Brussels ; Brussels U., PTM ; Chalmers U. Tech.) ; Redigolo, Diego (Intl. Solvay Inst., Brussels ; Brussels U., PTM)
We investigate multilepton LHC signals arising from electroweak processes involving sleptons. We consider the framework of general gauge mediated supersymmetry breaking, focusing on models where the low mass region of the superpartner spectrum consists of the three generations of charged sleptons and the nearly massless gravitino. [...]
arXiv:1310.0018; CERN-PH-TH-2013-229; DCPT-13-154; IPPP-13-77; CERN-PH-TH-2013-229; DCPT-13-154; IPPP-13-77.-
2014-04-04 - 6 p.
- Published in : Phys. Lett. B 731 (2014) 7
Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: S0370269314001075 - XML; arXiv:1310.0018 - PDF; External link: Preprint
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6.
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Higgs diphoton rate enhancement from supersymmetric physics beyond the MSSM
/ Berg, Marcus (Karlstad U.) ; Buchberger, Igor (Karlstad U.) ; Ghilencea, D.M. (CERN ; Bucharest, IFIN-HH) ; Petersson, Christoffer (Brussels U., PTM ; Intl. Solvay Inst., Brussels)
We show that supersymmetric "new physics" beyond the MSSM can naturally accommodate a Higgs mass near 126 GeV and enhance the signal rate in the Higgs to diphoton channel, while the signal rates in all the other Higgs decay channels coincide with Standard Model expectations, except possibly the Higgs to Z-photon channel. The "new physics" that corrects the relevant Higgs couplings can be captured by two supersymmetric effective operators. [...]
arXiv:1212.5009; CERN-PH-TH-2012-360; CERN-PH-TH-2012-360.-
2013-07-10 - 14 p.
- Published in : Phys. Rev. D 88 (2013) 025017
APS published version, local copy: PDF; Fulltext: PDF; External link: Preprint
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