Hai Wei

ORCID: 0000-0002-9045-7113
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About
Contact & Profiles
Research Areas
  • Carbon Nanotubes in Composites
  • Image and Video Quality Assessment
  • Graphene research and applications
  • Advanced Image Processing Techniques
  • Image Enhancement Techniques
  • Advancements in Semiconductor Devices and Circuit Design
  • Low-power high-performance VLSI design
  • Radiation Effects in Electronics
  • Analog and Mixed-Signal Circuit Design
  • Image and Signal Denoising Methods
  • Semiconductor materials and devices
  • Advanced Data Compression Techniques
  • Quantum-Dot Cellular Automata
  • 3D IC and TSV technologies
  • Video Analysis and Summarization
  • Advanced Image and Video Retrieval Techniques
  • Video Coding and Compression Technologies
  • Advanced Memory and Neural Computing
  • Color Science and Applications
  • Image Retrieval and Classification Techniques
  • Remote Sensing and LiDAR Applications
  • Microencapsulation and Drying Processes
  • Molecular Junctions and Nanostructures
  • Human Pose and Action Recognition
  • Quantum Computing Algorithms and Architecture

Nanjing Institute of Agricultural Mechanization
2022-2024

Ministry of Agriculture and Rural Affairs
2022-2024

China Southern Power Grid (China)
2024

Amazon (United States)
2019-2024

Shanghai University of Traditional Chinese Medicine
2022-2023

National Center of Ocean Standards and Metrology
2021

Gansu Institute of Political Science and Law
2021

Nanjing University of Science and Technology
2020-2021

Ministry of Industry and Information Technology
2020-2021

The University of Texas at Austin
2021

Abstract Multimodal sensor fusion can make full use of the advantages various sensors, up for shortcomings a single sensor, achieve information verification or security through redundancy, and improve reliability safety system. Artificial intelligence (AI), referring to simulation human in machines that are programmed think learn like humans, represents pivotal frontier modern scientific research. With continuous development promotion AI technology Sensor 4.0 age, multimodal is becoming more...

10.1088/1674-4926/24090041 article EN Journal of Semiconductors 2025-01-01

Carbon nanotube field-effect transistors (CNFETs) are excellent candidates for building highly energy-efficient electronic systems of the future. Fundamental limitations inherent to carbon nanotubes (CNTs) pose major obstacles realization robust CNFET digital very large-scale integration (VLSI): 1) it is nearly impossible guarantee perfect alignment and positioning all CNTs despite near-perfect CNT achieved in recent years; 2) can be metallic or semiconducting depending on chirality; 3)...

10.1109/tcad.2012.2187527 article EN IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 2012-03-27

Feature selection is an important topic in bioinformatics. Defining informative features from complex high dimensional biological data critical disease study, drug development, etc. Support vector machine-recursive feature elimination (SVM-RFE) efficient technique that has shown its power many applications. It ranks the according to recursive deletion sequence based on SVM. In this we propose a method, SVM-RFE-OA, which combines classification accuracy rate and average overlapping ratio of...

10.3390/molecules23010052 article EN cc-by Molecules 2017-12-26

Graphene has a high electric heating conversion rate and can be used as new heat source for far-infrared drying equipment to improve efficiency reduce energy consumption. This study aims investigate the kinetics of graphene paddy The infrared (IR) temperatures 35, 40, 45, 50, 55, 60 °C; distances between radiations 25, 30, 40 mm; grain flow 5.0, 6.0, 7.0, 8.0, 9.0 kg/min; dehumidifying air velocities 4, 5.5, 7, 8.5 m/s were studied appropriate time optimal quality. Simultaneously, kinetics,...

10.1016/j.csite.2023.102780 article EN cc-by-nc-nd Case Studies in Thermal Engineering 2023-01-28

Drying is an important means to maintain the quality of peanut pods and reduce risk mildew. Microwave hot air combined drying renowned for its efficacy, low-energy consumption, superior processing quality, rendering it suitable pod drying. However, efficacy hinges greatly on various parameters. To enhance efficiency kinetics using microwave equipment were investigated. Varying power (1.2 kW, 2.4 3.6 kW), temperature (30 °C, 35 40 45 °C), velocity (0.4 m/s, 0.7 1 m/s), radiation time (4 min,...

10.1016/j.csite.2024.104640 article EN cc-by-nc-nd Case Studies in Thermal Engineering 2024-06-07

Metallic carbon nanotubes (CNTs) create source-drain shorts in Carbon Nanotube Field Effect Transistors (CNFETs) resulting excessive leakage (I <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">on</inf> /I xmlns:xlink="http://www.w3.org/1999/xlink">off</inf> ≪ 5) and highly degraded noise margins. A new technique, VLSI-compatible Metallic-CNT Removal (VMR), overcomes metallic CNT challenges by combining layout design with CNFET processing. VMR...

10.1109/iedm.2009.5424295 article EN 2021 IEEE International Electron Devices Meeting (IEDM) 2009-12-01

Carbon nanotube (CNT) field-effect transistors (CNFETs) are a promising emerging technology projected to achieve over an order of magnitude improvement in energy-delay product, metric performance and energy efficiency, compared silicon-based circuits. However, due substantial imperfections inherent with CNTs, the promise CNFETs has yet be fully realized. Techniques overcome these have yielded results, but thus far only at large nodes (1 μm device size). Here we demonstrate first very scale...

10.1021/nn406301r article EN ACS Nano 2014-03-21

We present a technique to increase carbon nanotube (CNT) density beyond the as-grown CNT density. perform multiple transfers, whereby we transfer CNTs from several growth wafers onto same target surface, thereby linearly increasing on substrate. This process, called of nanotubes through sacrificial layers, is highly scalable, and demonstrate linear scaling up 5 transfers. also that this results in an ideal drain−source currents field effect transistors (CNFETs). Experimental can be improved...

10.1021/nl200063x article EN Nano Letters 2011-04-06

In dye-sensitized solar cells (DSCs), the electron transfer from photoexcited dye molecules to semiconductor substrates remains a major bottleneck. Replacing TiO2 with ZnO is expected enhance efficiency of DSCs, owing latter possesses much larger mobility, but similar bandgap and band positions as remain. However, record ZnO-based DSCs only 7% compared 13% TiO2-based due even slower electron-transfer rate in which becomes long-standing puzzle. Here, we computationally investigate molecule...

10.1021/jacs.6b03524 article EN Journal of the American Chemical Society 2016-06-10

Low-power applications, such as sensing, are becoming increasingly important and demanding in terms of minimizing energy consumption, driving the search for new innovative interface architectures technologies. Carbon nanotube FETs (CNFETs) excellent candidates further reduction, CNFET-based digital circuits projected to achieve an order magnitude improvement energy-delay product compared with silicon-CMOS at highly scaled technology nodes. However, carbon nanotubes (CNTs) inherently subject...

10.1109/jssc.2013.2282092 article EN IEEE Journal of Solid-State Circuits 2013-10-01

Monolithic three-dimensional (3D) integration enables revolutionary digital system architectures of computation immersed in memory. Vertically-stacked layers logic circuits and memories, with nano-scale inter-layer vias (with the same pitch dimensions as tight-pitched metal layer vias), provide massive connectivity between layers. The are orders magnitude denser than conventional through silicon (TSVs). Such can achieve significant performance energy efficiency benefits compared to today's...

10.7873/date.2015.1111 article EN Design, Automation &amp; Test in Europe Conference &amp; Exhibition (DATE), 2015 2015-01-01

We propose a new model for no-reference video quality assessment (VQA). Our approach uses idea of highly-localized space-time (ST) slices called Space-Time Chips (ST Chips). ST are localized cuts data along directions that \textit{implicitly} capture motion. use perceptually-motivated bandpass and normalization models to first process the data, then select oriented based on how closely they fit parametric natural statistics. show parameters describe these statistics can be used reliably...

10.1109/tip.2021.3112055 article EN IEEE Transactions on Image Processing 2021-01-01

Facing the increasingly severe environmental problems, development of a green and sustainable low-carbon economy has become an international trend. In China, core issue economic is effectively resolving contradiction between exploitation utilization fossil energy greenhouse gas emissions (mainly carbon emissions). Based on SAM matrix, we established static Computable General Equilibrium (CGE) model to simulate impact tax policies consumption, emissions, macroeconomics variables under 10, 20,...

10.3390/ijerph182010699 article EN International Journal of Environmental Research and Public Health 2021-10-12

Contextuality is a hallmark feature of the quantum theory that captures its incompatibility with any noncontextual hidden-variable model. The Greenberger-Horne-Zeilinger (GHZ)–type paradoxes are proofs contextuality reveal this deterministic logical arguments. However, GHZ-type paradox whose events can be included in fewest contexts and brings strongest nonclassicality remains elusive. Here, we derive context-cover number 3 show saturates lower bound posed by theory. We demonstrate...

10.1126/sciadv.abd8080 article EN cc-by-nc Science Advances 2025-01-29

We present a new very large scale integration (VLSI)-compatible metallic carbon nanotube (CNT) removal technique called VLSI-compatible CNT (VMR) that overcomes challenges of existing techniques by combining design and processing to create field effect transistors (CNFET) circuits immune imperfections such as mispositioned CNTs. Using VMR, we experimentally demonstrate combinational sequential CNFET logic half-adder sum generators D-latches. These form the fundamental building blocks VLSI...

10.1109/tnano.2010.2076323 article EN IEEE Transactions on Nanotechnology 2010-09-15

Carbon nanotube field-effect transistors (CNFETs) are promising candidates for building energy-efficient digital systems at highly-scaled technology nodes. However, carbon nanotubes (CNTs) inherently subject to variations that reduce circuit yield, increase susceptibility noise, and severely degrade their anticipated energy speed benefits. Joint exploration optimization of CNT processing options CNFET design required overcome this outstanding challenge. Unfortunately, existing approaches...

10.1109/tcad.2015.2415492 article EN IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 2015-03-23

Investigations of complex metabolic mechanisms and networks have become a focus research in the postgenomic area, thereby creating an increasing demand for sophisticated analytical approaches. One such tool is lipidomics analysis that provides, detailed picture lipid composition system at given time. Introducing stable isotopes into studied can additionally provide information on synthesis, transformation degradation individual species. However, capturing entire dynamics still challenge. We...

10.1021/ac400293y article EN Analytical Chemistry 2013-03-28

Video livestreaming is gaining prevalence among video streaming service s, especially for the delivery of live, high motion content such as sport ing events. The quality se videos can be adversely affected by any a wide variety events, including capture artifacts, and distortions incurred during coding transmission. High cause or exacerbate many kinds distortion, blur stutter. Because this, development objective Quality Assessment (VQA) algorithms that predict perceptual motion, live...

10.1109/tip.2021.3136723 article EN cc-by IEEE Transactions on Image Processing 2021-12-24

There is a pressing need for an automatic road extraction method due to the continuous development of transportation networks. Free from influence weather, satellite-mounted synthetic-aperture radar (SAR) opens way such detection application. This study introduces discrimination based on deep neural network (DNN) adjusted roads dual-polarimetric (VV and VH) Sentinel-1 SAR imagery. In this proposed method, U-Net extended convolutional (CNN), images. To investigate potential using fully (FCN)...

10.1080/22797254.2019.1694447 article EN cc-by-nc European Journal of Remote Sensing 2019-01-01

10.1016/j.ijrmms.2021.104732 article EN International Journal of Rock Mechanics and Mining Sciences 2021-04-15

High Dynamic Range (HDR) videos can represent a much greater range of brightness and color than Standard (SDR) are rapidly becoming an industry standard. HDR have more challenging capture, transmission, display requirements legacy SDR videos. With their bit depth, advanced electro-optical transfer functions, wider gamuts, comes the need for video quality algorithms that specifically designed to predict Towards this end, we present first publicly released large-scale subjective study We...

10.1109/icip46576.2022.9897940 article EN 2022 IEEE International Conference on Image Processing (ICIP) 2022-10-16

We demonstrate ACCNT (pronounced as ldquoaccentrdquo), a solution to the metallic-nanotube problem that does not require any removal of kind. uses asymmetrically correlated carbon nanotubes achieve tolerance, delivering high on-off ratios (10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">4</sup> -10 xmlns:xlink="http://www.w3.org/1999/xlink">6</sup> ) while preserving current drive. In addition, this tolerance can be engineered arbitrarily...

10.1109/ted.2009.2033168 article EN IEEE Transactions on Electron Devices 2009-11-03
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