SUB-PIXEL

作品数：36被引量：67H指数：4
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Vibration-assisted vat photopolymerization for pixelated-aliasing-free surface fabrication
《International Journal of Extreme Manufacturing》2024年第3期440-456,共17页Han Xu Renzhi Hu Shuai Chen Junhong Zhu Chi Zhou Yong Chen 
Mask image projection-based vat photopolymerization(MIP-VPP)offers advantages like low cost,high resolution,and a wide material range,making it popular in industry and education.Recently,MIP-VPP employing liquid cryst...
关键词：additive manufacturing vat photopolymerization piezo vibration sub-pixel resolution ALIASING 
High Curvature Stripe Profile Extraction Algorithm of Line Structured Light Measuring System
《Journal of Shanghai Jiaotong university(Science)》2023年第5期560-568,共9页孙昊 杜宣 吕娜 崔斌 赵辉 
the National Natural Science Foundation of China(Nos.51975374 and 61927822)。
In the line structured light measuring system, the accuracy of the process of laser stripe directly affects the measurement results. Therefore, the extraction algorithm for the laser stripe, especially the surface wit...
关键词：profile measurement line structured light profile extraction SUB-PIXEL high curvature 
4K-DMDNet:diffraction model-driven network for 4K computer-generated holography被引量：14
《Opto-Electronic Advances》2023年第5期17-29,共13页Kexuan Liu Jiachen Wu Zehao He Liangcai Cao 
We are grateful for financial supports from National Natural Science Foundation of China(62035003,61775117);China Postdoctoral Science Foundation(BX2021140);Tsinghua University Initiative Scientific Research Program(20193080075).
Deep learning offers a novel opportunity to achieve both high-quality and high-speed computer-generated holography(CGH).Current data-driven deep learning algorithms face the challenge that the labeled training dataset...
关键词：computer-generated holography deep learning model-driven neural network sub-pixel convolution OVERSAMPLING 
基于改进SSD算法的交通标识检测方法研究被引量：4
《电子测量技术》2022年第17期79-85,共7页詹华伟 邹昊好 刘旭 史水娥 
河南省高等学校重点科研项目基础研究项目(19B510006)资助。
针对目前SSD算法对小目标检测精确度低,泛化能力弱,且存在误检、漏检等问题,提出一种基于SSD网络的交通标识检测方法。为增加对目标的检测精度,使用ResNet-50网络作为SSD算法的骨干网络,在额外添加层中加入BN层,提高训练速度;使用sub-pi...
关键词：SSD 卷积网络 MFPN模型 SUB-PIXEL CCTSDB 
Sub-pixel high precision dimensional measurement method for aero-engine hollow turbine blade based on industrial computed tomography image被引量：3
《China Foundry》2022年第4期307-320,共14页Ya-nan Wang San-san Shuai Xing-fu Ren Tong-tong Hu Jiang Wang Zhong-ming Ren 
financially supported by the National Science and Technology Major Project "Aero Engine and Gas Turbine"(No.2017-Ⅶ-0008-0102);National Nature Science Foundation of China (No.51701112 and No.51690162);Shanghai Rising-Star Program (No.20QA1403800 and No.21QC1401500);Shanghai Science and Technology Committee (No.21511103600)
Aero-engine hollow turbine blades are work under prolonged high temperature,requiring high dimensional accuracy.Blade profile and wall thickness are important parameters to ensure the comprehensive performance of blad...
关键词：dimensional accuracy industrial computed tomography cubic spline interpolation sub-pixel accuracy 
Materials property mapping from atomic scale imaging via machine learning based sub-pixel processing被引量：1
《npj Computational Materials》2022年第1期1868-1876,共9页Junghun Han Kyoung-June Go Jinhyuk Jang Sejung Yang Si-Young Choi 
This work was supported by the Global Frontier Hybrid Interface Materials of the National Research Foundation of Korea(NRF)funded by the Ministry of Science and ICT(2013M3A6B1078872);S.-Y.C.acknowledges the support of Korea Basic Science Institute(National research Facilities and Equipment Center)grant funded by the Ministry of Education.(2020R1A6C101A202).
Direct visualization of the atomic structure in scanning transmission electron microscopy has led to a comprehensive understanding of the structure-property relationship.However,a reliable characterization of the stru...
关键词：PROPERTY FILTERING removed 
Simulation of Central Subpixel Location Method in Remote Sensing Multi-View Image
《计算机科学与技术汇刊（中英文版）》2019年第1期45-48,共4页Wan Bing 
Subpixel localization in image center is one of the key technologies of vision measurement. In order to meet the requirements of accurate calibration and measurement in multi-field, the existing sub-pixel positioning ...
关键词：Remote Sensing MULTI-VIEW IMAGE CENTRAL SUB-PIXEL LOCATION 
Precise monocular vision-based pose measurement system for lunar surface sampling manipulator被引量：5
《Science China(Technological Sciences)》2019年第10期1783-1794,共12页WANG Gang SHI ZhongChen SHANG Yang SUN XiaoLiang ZHANG WenLong YU QiFeng 
supported by the National Natural Science Foundation of China(Grant Nos.11727804,11872070);the Hunan Provincial Natural Science Foundation of China(Grant No.2019JJ50732)
Space manipulator has been playing an increasingly important role in space exploration due to its flexibility and versatility. This paper is to design a vision-based pose measurement system for a four-degree-of-freedo...
关键词：VISION-BASED POSE measurement POSE estimation LUNAR surface sampling SUB-PIXEL CORNER detection Chang’e 5 
Automatic sub-pixel coastline extraction based on spectral mixture analysis using EO-1 Hyperion data
《Frontiers of Earth Science》2019年第3期478-494,共17页Zhonghua HONG Xuesu LI Yanling HAN Yun ZHANG Jing WANG Ruyan ZHOU Kening HU 
the National Natural Science Foundation of China (Grant Nos. 41401489 and 41376178);Shanghai Foundation for University Youth Scholars (Project No. ZZHY13033);the Innovation Programme of the Shanghai Municipal Education Commission (Project No. 15ZZ082).
Many megacities (such as Shanghai) are located in coastal areas, therefore, coastline monitoring is critical for urban security and urban development sustainability. A shoreline is defined as the intersection between ...
关键词：COASTLINE fully CONSTRAINED least SQUARES spatial ATTRACTION algorithm URBAN development EO-1 data 
Directional Analysis of Urban Expansion Based on Sub-pixel and Regional Scale: A Case Study of Main Districts in Guangzhou, China被引量：1
《Chinese Geographical Science》2019年第4期652-666,共15页ZHAO Yi ZHONG Kaiwen XU Jianhui SUN Caige WANG Yunpeng 
Under the auspices of the Special Project of Science and Technology Development(No.2017GDASCX-0101);the Science and Technology Planning Project of Guangdong Province(No.2017A020217005,2018B020207002);Guangdong Innovative and Entrepreneurial Research Team Program(No.2016ZT06D336)
Multi-scale data have had a wide-ranging level of performance in the area of urban change monitoring. Herein we investigate the correlation between the impervious surface fraction(ISF) and the Defense Meteorological S...
关键词：impervious surface FRACTION linear spectral mixture ANALYSIS NIGHTTIME light kernel density profile graph 
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