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SUBPIXEL: 作品数：28被引量：37H指数：3; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：王小平张丽艳张维中周玲丁志安更多>>; 相关机构：青岛大学南京航空航天大学国防科学技术大学山东大学更多>>; 相关期刊：《Computers, Materials & Continua》《Journal of Beijing Institute of Technology》《Journal of Donghua University(English Edition)》《Journal of Mountain Science》更多>>; 相关基金：国家自然科学基金广东省自然科学基金国家教育部博士点基金上海市自然科学基金更多>>

Analyzing the Effect of the Intra-Pixel Position of Small PSFs for Optimizing the PL of Optical Subpixel Localization: 《Engineering》2023年第8期140-149,共10页Haiyang Zhan Fei Xing Jingyu Bao Ting Sun Zhenzhen Chen Zheng You Li Yuan; the support from the National Natural Science Foundation of China(51827806);the National Key Research and Development Program of China(2016YFB0501201);the Xplorer Prize funded by the Tencent Foundation。; Subpixel localization techniques for estimating the positions of point-like images captured by pixelated image sensors have been widely used in diverse optical measurement fields.With unavoidable imaging noise,there i...; 关键词：Optical measurement Subpixel localization Precision limit optimization Small point spread functions Centroiding Star sensors

Urban expansion and intra-urban land evolution as well as their natural environmental constraints in arid/semiarid regions of China from 2000–2018被引量：1: 《Journal of Geographical Sciences》2023年第7期1419-1441,共23页PAN Tao KUANG Wenhui SHAO Hua ZHANG Chi WANG Xiaoyu WANG Xinqing; Natural Science Foundation Youth Program of Shandong Province,No.ZR2021QD134;Humanity and Social Science Youth Foundation of the Ministry of Education of China,No.21YJCZH111;National Natural Science Foundation of China,No.31770515。; Rapid urbanization has occurred in arid/semiarid China,threatening the sustainability of fragile dryland ecosystems;however,our knowledge of natural environmental constraints on multiscale urban lands in this region i...; 关键词：URBANIZATION natural environmental constraints pixel and subpixel land change arid and semiarid regions of China

Ulva prolifera subpixel mapping with multiple-feature decision fusion: 《Journal of Oceanology and Limnology》2023年第3期865-880,共16页Jianhua WAN Xianci WAN Lie SUN Mingming XU Hui SHENG Shanwei LIU Bin ZOU Qimao WANG; Supported by the Shandong Provincial Natural Science Foundation of China(No.ZR2019MD023);the National Natural Science Foundation of China(No.41776182)。; The unavoidable nature of Ulva prolifera mixed pixel in low-resolution remote sensing images would result in rough boundary of U.prolifera patches,omission of tiny patches,and overestimation of coverage area.The decom...; 关键词：Ulva prolifera subpixel mapping multiple-feature decision fusion abundance geostationary ocean color imager(GOCI)

Semantic Segmentation by Using Down-Sampling and Subpixel Convolution: DSSC-UNet: 《Computers, Materials & Continua》2023年第4期683-696,共14页Young-Man Kwon Sunghoon Bae Dong-Keun Chung Myung-Jae Lim; Recently, semantic segmentation has been widely applied toimage processing, scene understanding, and many others. Especially, indeep learning-based semantic segmentation, the U-Net with convolutionalencoder-decoder ar...; 关键词：Semantic segmentation encoder-decoder U-Net DSSC-UNet subpixel convolution DOWN-SAMPLING

Extracting subpixel vegetation NDVI time series for evaluating the mixed pixel effect on GPP estimation in urban areas: 《International Journal of Digital Earth》2023年第1期3222-3238,共17页Shuxu Li Zheng Zhou Rongfei Ma Shishi Liu Qingfeng Guan; supported by the National Key Research and Development Program of China(No..2022YFB3903405);National Natural Science Foundation of China(General Program:42171466 and 42171350);the Fundamental Research Funds for the Central Universities(2662021JC002).; The normalized difference vegetation index(NDVI)is the most widely used vegetation index for monitoring vegetation vigor and cover.As NDVI time series are usually derived at coarse or medium spatial resolutions,pixel ...; 关键词：Normalized difference vegetation index(NDVI) mixture analysis urban vegetation gross primary production(GPP)

Satellite estimates and subpixel variability of rainfall in a semi-arid grassland: 《Atmospheric and Oceanic Science Letters》2021年第5期24-29,共6页Yong Chen Jing Duan Junling An Huizhi Liu Ulrich Görsdorf Franz HBerger; funded by the National Key R&D Program of China[grant number 2017YFC1501404];the German Research Foundation[Research Unit 536];the National Natural Science Foundation of China [grant number 41675137]。; Uncertainties in satellite rainfall estimation may derive from both the local rainfall characteristics and its subpixel variability.To study this issue,Micro Rain Radars and a rain gauge network were deployed within a...; 关键词：Satellite rainfall estimation Rainfall variability Micro Rain Radar TRMM

Topographically derived subpixel-based change detection for monitoring changes over rugged terrain Himalayas using AWiFS data: 《Journal of Mountain Science》2021年第1期126-140,共15页Vishakha SOOD Hemendra Singh GUSAIN Sheifali GUPTA Sartajvir SINGH; Continuous and accurate monitoring of earth surface changes over rugged terrain Himalayas is important to manage natural resources and mitigate natural hazards.Conventional techniques generally focus on per-pixel base...; 关键词：Topographic correction Change vector analysis(CVA) Subpixel-based change detection(SCD) Western Himalayas

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

Mapping fractional cropland covers in Brazil through integrating LSMA and SDI techniques applied to MODIS imagery被引量：1: 《International Journal of Agricultural and Biological Engineering》2019年第1期192-200,共9页Changming Zhu Xin Zhang Qiaohua Huang; The study is funded by the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDA20020101);the National R&D Program of China(Granted No.2017YFB0504201);the Natural Science Foundation of China(Grant No.61473286 and 41201460).; MODIS time-series imagery is promising for generating regional and global land cover products.For Brazil,however,accurate fractional cropland covers(FCC)information is difficult to obtain due to frequent cloud coverag...; 关键词：fractional cropland covers(FCC) MODIS enhanced vegetation index(EVI) subpixel mapping remote sensing

Forest Cover Monitoring and Change Detection in Nfifikh Forest (Morocco)被引量：1: 《Journal of Geographic Information System》2018年第2期219-233,共15页Loubna Khalile Hassan Rhinane Abdelhadi Kaoukaya Hicham Lahlaoi; Peri-urban forests are subject to different dynamics due to several factors. Nfifikh forest is a man-made space, located in suburban of Mohammedia City, belonging to Casablanca, Settat Region, and geographically betwe...; 关键词：SUBPIXEL VEGETATION Indices CHANGE DETECTION MONITORING Nfifikh FOREST

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