Hu Xu

ORCID: 0000-0003-3436-2600
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About
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Research Areas
  • Knee injuries and reconstruction techniques
  • Nuclear physics research studies
  • Osteoarthritis Treatment and Mechanisms
  • Lower Extremity Biomechanics and Pathologies
  • Sports injuries and prevention
  • Industrial Technology and Control Systems
  • Total Knee Arthroplasty Outcomes
  • Data Management and Algorithms
  • Multimodal Machine Learning Applications
  • Advanced Image and Video Retrieval Techniques
  • Atomic and Molecular Physics
  • Astronomical and nuclear sciences
  • Geographic Information Systems Studies
  • Advanced Sensor and Control Systems
  • Advanced Database Systems and Queries
  • Mass Spectrometry Techniques and Applications
  • Nuclear Physics and Applications
  • Constraint Satisfaction and Optimization
  • Simulation and Modeling Applications
  • Radiopharmaceutical Chemistry and Applications
  • Radioactive element chemistry and processing
  • Domain Adaptation and Few-Shot Learning
  • Medical Imaging Techniques and Applications
  • Radioactive contamination and transfer
  • Advanced X-ray and CT Imaging

Xidian University
2024

Xijing Hospital
2006-2024

Air Force Medical University
2006-2024

Institut national de recherche en informatique et en automatique
2023

Université Paris-Saclay
2023

Chinese Academy of Sciences
2010-2022

Institute of Modern Physics
2011-2022

University of Chinese Academy of Sciences
2022

Xi'an Jiaotong University
2022

International Technological University
2011-2021

The recent breakthroughs in natural language processing for model pretraining on large quantities of data have opened the way similar foundation models computer vision. These could greatly simplify use images any system by producing all-purpose visual features, i.e., features that work across image distributions and tasks without finetuning. This shows existing methods, especially self-supervised can produce such if trained enough curated from diverse sources. We revisit approaches combine...

10.48550/arxiv.2304.07193 preprint EN other-oa arXiv (Cornell University) 2023-01-01

Mass excesses of short-lived $A=2Z\ensuremath{-}1$ nuclei $^{63}\mathrm{Ge}$, $^{65}\mathrm{As}$, $^{67}\mathrm{Se}$, and $^{71}\mathrm{Kr}$ have been directly measured to be $\ensuremath{-}46\text{ }921(37)$, }937(85)$, }580(67)$, }320(141)\text{ }\text{ }\mathrm{keV}$, respectively. The deduced proton separation energy $\ensuremath{-}90(85)\text{ }\mathrm{keV}$ for $^{65}\mathrm{As}$ shows that this nucleus is only slightly unbound. X-ray burst model calculations with the new mass excess...

10.1103/physrevlett.106.112501 article EN publisher-specific-oa Physical Review Letters 2011-03-16

Isochronous mass spectrometry has been applied to neutron-deficient $^{58}\mathrm{Ni}$ projectile fragments at the HIRFL-CSR facility in Lanzhou, China. Masses of a series short-lived ${T}_{z}=\ensuremath{-}3/2$ nuclides including $^{41}\mathrm{Ti}$, $^{45}\mathrm{Cr}$, $^{49}\mathrm{Fe}$, and $^{53}\mathrm{Ni}$ have measured with precision 20--40 keV. The new data enable us test for first time isobaric multiplet equation (IMME) $fp$-shell nuclei. We observe that IMME is inconsistent...

10.1103/physrevlett.109.102501 article EN publisher-specific-oa Physical Review Letters 2012-09-04

10.1016/j.nuclphysa.2010.01.126 article EN Nuclear Physics A 2010-02-22

Abstract Meniscal injury represents a common type of knee injury, accounting for over 50% all injuries. The clinical diagnosis and treatment meniscal heavily rely on magnetic resonance imaging (MRI). However, accurately diagnosing the meniscus from comprehensive MRI is challenging due to its limited weak signal, significantly impeding precise grading In this study, visual interpretable fine (VIFG) model has been developed facilitate intelligent quantified Leveraging multilevel transfer...

10.1038/s41746-024-01082-z article EN cc-by npj Digital Medicine 2024-04-15

Osteoarthritis (OA) is the most prevalent degenerative joint disease worldwide. Effective management for early-stage OA crucial. Denosumab (DS) has been widely used to treat osteoporosis (OP) and rheumatoid arthritis, but its potential managing remains clear. We assessed effects of DS on osteoclast activity chondrocyte apoptosis using tartrate-resistant acid phosphatase (TRAP) assay, quantitative real-time polymerase chain reaction (qRT-PCR), flow cytometry, TUNEL staining. To assess impact...

10.1016/j.reth.2024.03.019 article EN cc-by Regenerative Therapy 2024-03-26

10.1016/j.ijms.2013.04.029 article EN International Journal of Mass Spectrometry 2013-05-20

Following the recent popularity of Large Language Models (LLMs), several attempts have been made to extend them visual domain. From having a assistant that could guide us through unfamiliar environments generative models produce images using only high-level text description, vision-language model (VLM) applications will significantly impact our relationship with technology. However, there are many challenges need be addressed improve reliability those models. While language is discrete,...

10.48550/arxiv.2405.17247 preprint EN arXiv (Cornell University) 2024-05-27

Given a data point set D, query Q, and an integer k, the Group Nearest (GNG) finds subset ω (|ω| ≤ k)of points from Dsuch that total distance all in Q to nearest is not greater than any other ω' (|ω'| k) of D. GNG partition-based clustering problem which can be found many real applications NP-hard. In this paper, Exhaustive Hierarchical Combination (EHC) algorithm Subset Hierarchial Refinement (SHR) are developed for processing. While EHC capable provide optimal solution k = 2, SHR efficient...

10.1109/tkde.2010.230 article EN IEEE Transactions on Knowledge and Data Engineering 2010-12-09

10.1109/cvpr52733.2024.02489 article CA 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2024-06-16

Laser scan matching algorithm plays a key role in robot localization and mapping. In this paper, we propose classified feature-based that matches laser scans closed-form manner called Classified Feature-based Scan Matcher (CFSM). Based on geometric observation, our features are defined as rotational translational separately to improve accuracy. Experimental results demonstrate CFSM can produce better accuracy for with large angular displacement, without increasing running time. Indoor take...

10.1109/rose.2013.6698419 article EN 2013-10-01

Proximal soft tissue realignment is the main surgical intervention for recurrent patellar instability. In recent years, all-inside arthroscopic procedures or mini-open surgeries have replaced traditional surgeries, which more associated morbidity and poor cosmetic results. This article describes a simple technique operative treatment of Using 2 epidural needles in several steps no accessory portals required, medial retinaculum imbricated to desired tension. The combination lateral release...

10.3928/01477447-20110526-17 article EN Orthopedics 2011-06-30

Given a set of spatial points $D$ containing keywords information, query objects Q and m keywords, top-k aggregate nearest keyword (ANK) retrieves k from with the minimum sum distances to its in D such that each point matches at least one keywords. For example, consider there is database which manages facilities (e.g., school, restaurants, hospital, etc.) represented by sets A user may want rank locations respect interested facilities. processing this query, several algorithms are proposed...

10.1109/apweb.2010.25 article EN 2010-04-01

More than 100 surgical procedures have been reported to address recurrent patellar instability. Trochlear dysplasia is the most common finding among anatomic risk factors for Various studies shown that trochleoplasty combined with medial patellofemoral ligament reconstruction an effective technique treat Nevertheless, still a daunting procedure surgeons because of its multiple and gloomy complications. This article introduces instability severe trochlear dysplasia: precise arthroscopic...

10.1016/j.eats.2020.06.009 article EN cc-by-nc-nd Arthroscopy Techniques 2020-09-25
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