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A Noniterative Simultaneous Rigid Registration Method for Serial Sections of Biological Tissues
2020
Applied Sciences
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In this paper, we propose a novel noniterative algorithm to simultaneously estimate optimal rigid transformations for serial section images, which is a key component in performing volume reconstructions of serial sections of biological tissue. To avoid the error accumulation and propagation caused by current algorithms, we add an extra condition: that the positions of the first and last section images should remain unchanged. This constrained simultaneous registration problem has not previously
doi:10.3390/app10031156
fatcat:czpd6fw54ze6je4urkw4ggui4u
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... been solved. Our solution is noniterative; thus, it can simultaneously compute rigid transformations for a large number of serial section images in a short time. We demonstrate that our algorithm obtains optimal solutions under ideal conditions and shows great robustness under nonideal circumstances. Further, we experimentally show that our algorithm outperforms state-of-the-art methods in terms of speed and accuracy.
Evidence for water-filled cracks in earthquake source regions
2009
Geophysical Research Letters
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(b) P velocity versus S velocity from the 3D seismic velocity model by Lin et al. [2007b] . ...
This is discussed by Lin and Shearer [2007] , who performed synthetic tests to assess the accuracy of the technique. ...
doi:10.1029/2009gl039098
fatcat:gkxsmzo6vje7deubcsy2h6ddum
Semiparametric Methods for Mapping Quantitative Trait Loci with Censored Data
2005
Biometrics
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Recently, Diao, Lin, and Zou (2004) developed simple likelihood-based methods under the same model but with the baseline hazard function parameterized. ...
doi:10.1111/j.1541-0420.2005.00346.x
pmid:16135030
fatcat:emz2wrvzcfbipl2e52oiy7isqu
NPP VIIRS geometric performance status
2011
Earth Observing Systems XVI
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Visible Infrared Imager Radiometer Suite (VIIRS) instrument on-board the National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) satellite is scheduled for launch in October, 2011. It is to provide satellite measured radiance/reflectance data for both weather and climate applications. Along with radiometric calibration, geometric characterization and calibration of Sensor Data Records (SDRs) are crucial to the VIIRS Environmental Data Record (EDR)
doi:10.1117/12.894652
fatcat:rosh4may4raffenqrqi674rpte
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... gorithms and products which are used in numerical weather prediction (NWP). The instrument geometric performance includes: 1) sensor (detector) spatial response, parameterized by the dynamic field of view (DFOV) in the scan direction and instantaneous FOV (IFOV) in the track direction, modulation transfer function (MTF) for the 17 moderate resolution bands (M-bands), and horizontal spatial resolution (HSR) for the five imagery bands (I-bands); 2) matrices of band-to-band co-registration (BBR) from the corresponding detectors in all band pairs; and 3) pointing knowledge and stability characteristics that includes scan plane tilt, scan rate and scan start position variations, and thermally induced variations in pointing with respect to orbital position. They have been calibrated and characterized through ground testing under ambient and thermal vacuum conditions, numerical modeling and analysis. This paper summarizes the results, which are in general compliance with specifications, along with anomaly investigations, and describes paths forward for characterizing on-orbit BBR and spatial response, and for improving instrument on-orbit performance in pointing and geolocation.
Field-induced Metal-Insulator Transition in β-EuP_3
[article]
2020
arXiv
pre-print
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Metal-insulator transition (MIT) is one of the most conspicuous phenomena in correlated electron systems. However such transition has rarely been induced by an external magnetic field as the field scale is normally too small compared with the charge gap. In this paper we present the observation of a magnetic-field-driven MIT in a magnetic semiconductor β-EuP_3. Concomitantly, we found a colossal magnetoresistance (CMR) in an extreme way: the resistance drops billionfold at 2 kelvins in a
arXiv:2007.07465v1
fatcat:wi4xnyb2brglnbtwwh2mdyhrhm
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... c field less than 3 teslas. We ascribe this striking MIT as a field-driven transition from an antiferromagnetic and paramagnetic insulator to a spin-polarized topological semimetal, in which the spin configuration of Eu^2+ cations and spin-orbital coupling (SOC) play a crucial role. As a phosphorene-bearing compound whose electrical properties can be controlled by the application of field, β-EuP_3 may serve as a tantalizing material in the basic research and even future electronics.
Topological semimetals and topological insulators in rare earth monopnictides
[article]
2015
arXiv
pre-print
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We use first principles calculations to study the electronic properties of rock salt rare earth monopnictides LaX (X=N, P, As, Sb, Bi). A new type of topological band crossing termed 'linked nodal rings' is found in LaN when the small spin-orbital coupling (SOC) on nitrogen orbitals is neglected. Turning on SOC gaps the nodal rings at all but two points, which remain gapless due to C_4-symmetry and leads to a 3D Dirac semimetal. Interestingly, unlike LaN, compounds with other elements in the
arXiv:1504.03492v1
fatcat:u47mqgf2evdrveqoznydz4sohy
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... ctogen group are found to be topological insulators (TIs), as a result of band reordering due to the increased lattice constant as well as the enhanced SOC on the pnictogen atom. These TI compounds exhibit multi-valley surface Dirac cones at three M̅-points on the (111)-surface.
Low Resolution Information Also Matters: Learning Multi-Resolution Representations for Person Re-Identification
[article]
2021
arXiv
pre-print
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As a prevailing task in video surveillance and forensics field, person re-identification (re-ID) aims to match person images captured from non-overlapped cameras. In unconstrained scenarios, person images often suffer from the resolution mismatch problem, i.e., Cross-Resolution Person Re-ID. To overcome this problem, most existing methods restore low resolution (LR) images to high resolution (HR) by super-resolution (SR). However, they only focus on the HR feature extraction and ignore the
arXiv:2105.12684v1
fatcat:wdesaeghrff53mqw7q43ttkjsq
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... information from original LR images. In this work, we explore the influence of resolutions on feature extraction and develop a novel method for cross-resolution person re-ID called Multi-Resolution Representations Joint Learning (MRJL). Our method consists of a Resolution Reconstruction Network (RRN) and a Dual Feature Fusion Network (DFFN). The RRN uses an input image to construct a HR version and a LR version with an encoder and two decoders, while the DFFN adopts a dual-branch structure to generate person representations from multi-resolution images. Comprehensive experiments on five benchmarks verify the superiority of the proposed MRJL over the relevent state-of-the-art methods.
JPSS-1 VIIRS at-launch geometric performance
2016
Earth Observing Systems XXI
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Side-lobes of M11 in SNPP disappear in J1 Right focus for VisNIR FPA/bands in J1, while defocused/shorter EFL in SNPP M16B
MTF
Band/Det
0.25NF
0.50NF
0.75NF
1.00NF
Scan LSF --MTF
Lin ...
526 km
0 km
HSI Scan (m) 774(258)
1161(387) 774(387)
1295(648) 648(648)
1658(1658)
HSI Track (m) 741
893
1123
1627
Sample No. 1600(3152)
1009(1377) 1008(1376)
641(641) 640(640)
1(1)
Lin ...
doi:10.1117/12.2238804
dblp:conf/eos/LinW16
fatcat:lfcwvs6xkbfh7dzhglhxfyxz2y
Conjugated polymer-enhanced enantioselectivity in fluorescent sensing
2016
Chemical Science
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A new strategy to use conjugated polymers to conduct fluorescent enhancement sensing has been developed.
doi:10.1039/c6sc00266h
pmid:29997853
pmcid:PMC6008581
fatcat:crzfg6m6iregzhfsratytvdjw4
Fibrillin-3 expression in human development
2011
Matrix Biology
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., 2001; Lin et al., 2002; Sabatier et al., 2009 ). An overview of these fragments is presented in Fig. 1A . ...
doi:10.1016/j.matbio.2010.10.003
pmid:20970500
pmcid:PMC4961473
fatcat:6fgvnmyzpnazljpt6wjikcbj74
Highly efficient spectrally encoded imaging using a 45° tilted fiber grating
2016
Optics Letters
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A novel highly efficient, fiber-compatible spectrally encoded imaging (SEI) system using a 45° tilted fiber grating (TFG) is proposed and experimentally demonstrated for the first time. The TFG serves as an infiber lateral diffraction element, eliminating the need for bulky and lossy free-space diffraction gratings in conventional SEI systems. Under proper polarization control, due to the strong tilted reflection, the 45° TFG offers a diffraction efficiency as high as 93.5%. Our new design
doi:10.1364/ol.41.002398
pmid:27244373
fatcat:4orlq2qmhfhw5gx6o3ewh57eyy
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... ficantly reduces the volume of the SEI system, improves energy efficiency and system stability. As a proof-of-principle experiment, spectrally encoded imaging of a customer-designed sample (9.6 mm × 3.0 mm) using the TFG-based system is demonstrated. The lateral resolution of the SEI system is measured to be 42 m in our experiment
Network Coding Scheme Based on Key Nodes
2007
2007 International Conference on Parallel Processing Workshops (ICPPW 2007)
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With the same routing algorithm and network coding scheme, the complexity of network coding (NC) increases with the network scale. In this paper, a network coding scheme based on key nodes is proposed, which is that only the subnet consists of important nodes adopts NC. Using this scheme, the scale of the network that performs NC is reduced, and the complexity of NC is decreased. In wireless network, choosing the steady-going existing nodes as key nodes can increase the stability of network
doi:10.1109/icppw.2007.59
dblp:conf/icppw/LinWW07
fatcat:zaj2zrs73fdctdkzhpnfwj3zya
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... cture. For Some especial network which can not adopt linear NC, part nodes can be chosen as key nodes to perform NC. For super large network, the backbone nodes can be chosen as key nodes.
Temporal Evolution of Water Quality in the Typical Semiarid Regiona
2012
Procedia Environmental Sciences
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., Lin Q.Q.. Analysis on nitrogen pollution and eutrophication of the large and medium reservoirs for water supply in Guangdong Province. Chinese Journal of Ecology. 2004(3): 63-67. ...
doi:10.1016/j.proenv.2012.01.444
fatcat:vtwbmkndsbecdh2im45zbkmlie
Semiparametric methods for genome-wide linkage analysis of human gene expression data
2007
BMC Proceedings
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Lin and Zou [6] and Lin [7] proposed an efficient Monte Carlo approach to adjusting for multiple comparisons in a genomic study. ...
[4] , as is shown in the simulation studies in Diao and Lin [3] . Moreover, the SQTL approach is rank-based and less sensitive to non-normality and outliers. ...
doi:10.1186/1753-6561-1-s1-s83
pmid:18466586
pmcid:PMC2367566
fatcat:opn6nnvdzbhxbi4kf2k2ntyedm
A Fermi Arc Quantum Ladder
[article]
2020
arXiv
pre-print
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Known topological quantum matter, including topological insulators and Dirac/Weyl semimetals, often hosts robust boundary states in the gaps between bulk bands in energy-momentum space. Beyond one-gap systems, quantum crystals may also feature more than one inter-band gap. The manifestation of higher-fold topology with multiple nontrivial gaps in quantum materials remains elusive. In this work, we leverage a photoemission spectroscopy probe to discover the multi-gap topology of a chiral fermion
arXiv:2004.11365v1
fatcat:t76enl2jgrgqvm2zhbijkyi3ge
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... material. We identify two sets of chiral surface states. These Fermi arcs exhibit an emergent ladder structure in energy-momentum space, unprecedented in topological materials. Furthermore, we determine the multi-gap chiral charge C=(2,2). Our results provide a general framework to explore future complex topological materials.
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