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28 papers · 1 filter
Histogram Meets Topic Model: Density Estimation by Mixture of Histograms
Hideaki Kim, Hiroshi Sawada
The histogram method is a powerful non-parametric approach for estimating the probability density function of a continuous variable. But the construction of a histogram, compared t…
Engineering Long-Lived Collective Dark States in Spin Ensembles
Stefan Putz, Andreas Angerer, Dmitry O. Krimer +5
Ensembles of electron spins in hybrid microwave systems are powerful and versatile components for future quantum technologies. Quantum memories with high storage capacities are one…
Electron paramagnetic resonance spectroscopy using a dc-SQUID magnetometer directly coupled to an electron spin ensemble
Hiraku Toida, Yuichiro Matsuzaki, Kosuke Kakuyanagi +5
We demonstrate electron spin polarization detection and electron paramagnetic resonance (EPR) spectroscopy using a direct current superconducting quantum interference device (dc-SQ…
Modelling, Measuring and Compensating Color Weak Vision
Satoshi Oshima, Rica Mochizuki, Reiner Lenz +1
We use methods from Riemann geometry to investigate transformations between the color spaces of color-normal and color weak observers. The two main applications are the simulation…
Robustness of round-robin differential-phase-shift quantum-key-distribution protocol against source flaws
Akihiro Mizutani, Nobuyuki Imoto, Kiyoshi Tamaki
Recently, a new type of quantum key distribution, called the round-robin differential phase-shift (RRDPS) protocol [Nature 509, 475 (2014)], was proposed, where the security can be…
Deformation Lamps: A Projection Technique to Make a Static Object Dynamic
Takahiro Kawabe, Taiki Fukiage, Masataka Sawayama +1
Light projection is a powerful technique to edit appearances of objects in the real world. Based on pixel-wise modification of light transport, previous techniques have successfull…