Xu Zhao

ORCID: 0009-0000-9427-7403
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About
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Research Areas
  • Oceanographic and Atmospheric Processes
  • Climate variability and models
  • Ocean Waves and Remote Sensing
  • Sentiment Analysis and Opinion Mining
  • Tropical and Extratropical Cyclones Research
  • Topic Modeling
  • Meteorological Phenomena and Simulations
  • Customer churn and segmentation
  • Geological formations and processes
  • Video Surveillance and Tracking Methods
  • Advanced Sensor and Control Systems
  • Remote Sensing and Land Use
  • Geology and Paleoclimatology Research
  • Speech and Audio Processing
  • Text and Document Classification Technologies
  • Advanced Decision-Making Techniques
  • Coastal and Marine Dynamics
  • Cardiac Imaging and Diagnostics
  • Integrated Energy Systems Optimization
  • Polymer-Based Agricultural Enhancements
  • Music Technology and Sound Studies
  • Electrical Fault Detection and Protection
  • Thermochemical Biomass Conversion Processes
  • Reservoir Engineering and Simulation Methods
  • Face recognition and analysis

University of Shanghai for Science and Technology
2025

Ocean University of China
2008-2024

Dalian University of Technology
2009-2023

Northeast Agricultural University
2023

Alibaba Group (China)
2023

Texas A&M University
2012-2022

Tianjin University
2014-2022

Qingdao National Laboratory for Marine Science and Technology
2021

Sinopec (China)
2021

Deepblue Technology (China)
2020

Improving a tropical cyclone's forecast and mitigating its destructive potential requires knowledge of various environmental factors that influence the path intensity. Herein, using combination observations model simulations, we systematically demonstrate cyclone intensification is significantly affected by salinity-induced barrier layers, which are "quasi-permanent" features in upper oceans. When cyclones pass over regions with increased stratification stability within layer reduce...

10.1073/pnas.1201364109 article EN Proceedings of the National Academy of Sciences 2012-08-13

Abstract Tropical Cyclones (TCs) are devastating natural disasters. Analyzing four decades of global TC data, here we find that among all TC-active basins, the South China Sea (SCS) stands out as particularly difficult ocean for TCs to intensify, despite favorable atmosphere and conditions. Over SCS, intensification rate its probability a rapid (intensification by ≥ 15.4 m s −1 day ) only 1/2 1/3, respectively, those rest world ocean. Originating from complex interplays between astronomic...

10.1038/s41467-024-48003-y article EN cc-by Nature Communications 2024-05-09

Excessive drinking has been listed by the World Health Organization as fifth major risk factor; especially liver, core organ of alcohol metabolism, is prone to organic lesions. Probiotics have received attention due their bioactivity for liver protection. The beneficial effects probiotics on hosts are related physiological functions. Therefore, based concept second-generation synbiotes, this study explored protective four dietary polyphenols stress tolerance, hydrophobicity, adhesion, and...

10.1021/acs.jafc.2c08523 article EN Journal of Agricultural and Food Chemistry 2023-03-17

The Bel Canto performance is a complex and multidimensional art form encompassing pitch, timbre, technique, affective expression. To accurately reflect performer's singing proficiency, it essential to quantify evaluate their vocal technical execution precisely. Convolutional Neural Networks (CNNs), renowned for robust ability capture spatial hierarchical information, have been widely adopted in various tasks, including audio pattern recognition. However, existing CNNs exhibit limitations...

10.1038/s41598-025-98726-1 article EN cc-by-nc-nd Scientific Reports 2025-05-05

Model high-protein nutrition bars (HPNBs) were formulated by incorporating whey protein isolate (WPI) and casein (CN) at various extrusion temperatures (50, 75, 100, 125, 150 °C) with a content of 45 g per 100 g. The free sulfhydryl groups, amino hardness, microstructures HPNBs analyzed periodically 37 °C over storage period days. Specifically, group, group surface hydrophobicity extruded (WPE) (CE) significantly reduced (P < 0.05) compared to those unextruded protein. WPE (HWPE) CE (HWCE)...

10.1016/j.fochx.2023.100719 article EN cc-by-nc-nd Food Chemistry X 2023-05-22

Conversion rate (CVR) prediction is an essential task for e-commerce platforms. However, refunds frequently occur after conversion in online shopping systems, which drives us to pay attention effective building healthier services. This paper defines the probability of item purchasing without any subsequent refund as (ECVR). A simple paradigm ECVR decompose it into two sub-tasks: CVR and post-conversion (RFR) prediction. RFR suffers from data sparsity (DS) sample selection bias (SSB) issues,...

10.1145/3583780.3615475 article EN 2023-10-21

Aiming at the problem that traditional convolutional neural networks cannot fully capture text features during feature extraction, and a single model effectively extract deep features, this paper proposes sentiment classification method based on attention mechanism of LSTM-TCN hybrid model. First, use Word2vec word vector to transform words into form vectors. Secondly, with Long Short-Term Memory (LSTM) obtain serialized information text, then combined Temporal Convolutional Network (TCN)...

10.1145/3424978.3425092 article EN Proceedings of the 4th International Conference on Computer Science and Application Engineering 2020-10-15

Abstract This paper studies and implements a face recognition system based on convolutional neural network. The firstly uses AdaBoost algorithm to detect the face, that is get position size of accurately in image, then deep convolution network extract features classify them. Finally, hardware application Altera DE1_SOC development board, designs completes with high rate.

10.1088/1742-6596/1601/5/052011 article EN Journal of Physics Conference Series 2020-08-01

In view of the simple structure a single neural network model, traditional convolutional cannot fully extract deep text features. This paper proposes sentiment classification based on Attention Mechanism and Decomposition Convolutional Neural Network model. First, comprehensive features are obtained with help parallel (DCNN). Secondly, it combines attention mechanism to important feature information improve optimized effect. Finally, is sentimentally classified at layer. After conducting...

10.1109/aeeca49918.2020.9213672 article EN 2022 IEEE International Conference on Advances in Electrical Engineering and Computer Applications (AEECA) 2020-08-01

The industry of biomass power in China has been growing tremendously recent years, but it is faced with many challenges now. low efficiency straw combustion the boiler results that carbon content fly ash could reach 15~30%. also rich silica, potassium, calcium and a lot microelements. A kind from plant mainly uses corn as feedstock was studied. XRF analysis showed contents K 2 O, CaO MgO were 7.22%, 13.61% respectively. Leaching experiments conducted to evaluate solubility nutritive elements...

10.4028/www.scientific.net/amr.860-863.534 article EN Advanced materials research 2013-12-13

The task of person re-identification (re-id) is to match images people observed in different camera views. Recent researches mainly focus on feature representation and metric learning. Many global learning approaches have achieved good performance. Since comparing all the samples with a single inappropriate handle heterogeneous data, some local are proposed. But most them cannot be used re-id directly due research challenges. Also, they usually need complicated computation solve optimization...

10.1109/wacv.2017.72 article EN 2017-03-01

In this paper, an optimal scheduling method of cold-heat-electricity combined power supply microgrid for wind accommodation is proposed. Firstly, the principle heat pump (HP) and integrated electric heating demand response to promote was analyzed, source-charge cooperative operation strategy multi-energy micro grid constructed. The two-layer model adopted, upper layer adopts price-type increase off-load consumption capacity. lower takes cost minimization as goal, adds load role HP,...

10.1109/icems56177.2022.9983141 article EN 2021 24th International Conference on Electrical Machines and Systems (ICEMS) 2022-11-29

EEG feature identification and body's sensing are used together to confirm that the current flowing through human body reaches perception threshold, since existing test method is sensitive subject's subjective awareness experimental data's reliability consistency not good. Based on method, relationship studied among effect threshold many influencing factors such as touch voltage, area, pressure, skin type, environmental temperature humidity, time period in which passes body, frequency,...

10.4156/ijact.vol4.issue20.76 article EN International Journal of Advancements in Computing Technology 2012-11-15

As One of Features from other Languages, the Chinese Tone Changes are Mainly Decided by its Vowels, so Vowel Variation Becomes Important in Speech Recognition Research. Normal Ways Always Based on Fundamental Frequency Signal, which can Not Keep Integrity Signal. we Bring Forward to a Mathematical Morphological Processing Spectrograms for Vowels. Firstly, will have Pretreatment Recording Good Signal Using Cooledit Pro Software, and Converted into Spectrograms; Secondly, do Smooth Normalized...

10.4028/www.scientific.net/amm.571-572.665 article EN Applied Mechanics and Materials 2014-06-10

Abstract The development of high-resolution, fully coupled, regional Earth system model systems is important for improving our understanding climate variability, future projections, and extreme events at scales. Here we introduce present an overview the newly developed Regional Community System Model (R-CESM). Different from other existing models, R-CESM based on version 2 (CESM2) framework. We have incorporated Weather Research Forecasting (WRF) Ocean Modeling (ROMS) into CESM2 as...

10.1175/bams-d-20-0024.1 article EN Bulletin of the American Meteorological Society 2021-06-04
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