咨询与建议

限定检索结果

文献类型

  • 399 篇 期刊文献
  • 86 篇 会议
  • 10 篇 学位论文

馆藏范围

  • 495 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 428 篇 工学
    • 301 篇 测绘科学与技术
    • 214 篇 环境科学与工程(可...
    • 41 篇 电气工程
    • 36 篇 计算机科学与技术...
    • 26 篇 水利工程
    • 21 篇 光学工程
    • 16 篇 仪器科学与技术
    • 10 篇 控制科学与工程
    • 9 篇 地质资源与地质工...
    • 7 篇 城乡规划学
    • 6 篇 林业工程
    • 6 篇 风景园林学(可授工...
    • 5 篇 航空宇航科学与技...
  • 368 篇 理学
    • 234 篇 地球物理学
    • 85 篇 地理学
    • 39 篇 物理学
    • 39 篇 生物学
    • 31 篇 生态学
    • 18 篇 大气科学
    • 13 篇 地质学
    • 8 篇 海洋科学
    • 7 篇 化学
    • 6 篇 天文学
  • 212 篇 医学
    • 210 篇 临床医学
  • 56 篇 农学
    • 15 篇 农业资源与环境
    • 11 篇 林学
    • 8 篇 作物学
    • 6 篇 园艺学
  • 26 篇 管理学
    • 24 篇 管理科学与工程(可...
  • 6 篇 法学
    • 6 篇 社会学
  • 4 篇 历史学
  • 2 篇 艺术学

主题

  • 495 篇 object-based ima...
  • 68 篇 remote sensing
  • 31 篇 machine learning
  • 28 篇 random forest
  • 23 篇 segmentation
  • 23 篇 image segmentati...
  • 20 篇 change detection
  • 18 篇 support vector m...
  • 18 篇 lidar
  • 16 篇 classification
  • 15 篇 worldview-2
  • 13 篇 image classifica...
  • 13 篇 land cover
  • 12 篇 land cover class...
  • 12 篇 uav
  • 12 篇 unmanned aerial ...
  • 12 篇 obia
  • 9 篇 geobia
  • 9 篇 google earth eng...
  • 9 篇 landsat

机构

  • 10 篇 univ chinese aca...
  • 7 篇 jiangsu ctr coll...
  • 5 篇 univ salzburg de...
  • 5 篇 nanjing normal u...
  • 4 篇 nanjing normal u...
  • 4 篇 peking univ inst...
  • 4 篇 nanjing normal u...
  • 4 篇 univ twente fac ...
  • 4 篇 florida atlantic...
  • 3 篇 brigham young un...
  • 3 篇 china univ min &...
  • 3 篇 univ washington ...
  • 3 篇 chinese acad sci...
  • 3 篇 univ tabriz dept...
  • 3 篇 univ salzburg de...
  • 2 篇 univ calif berke...
  • 2 篇 inner mongolia a...
  • 2 篇 beijing normal u...
  • 2 篇 goddard earth sc...
  • 2 篇 univ utrecht dep...

作者

  • 7 篇 blaschke thomas
  • 7 篇 wang min
  • 6 篇 zhou weiqi
  • 5 篇 janowski lukasz
  • 5 篇 salehi bahram
  • 4 篇 taubenboeck hann...
  • 4 篇 lakes tobia
  • 4 篇 wang jie
  • 4 篇 johansen kasper
  • 4 篇 pu ruiliang
  • 4 篇 geiss christian
  • 4 篇 zhang xiuyuan
  • 3 篇 zhang tao
  • 3 篇 moskal l. monika
  • 3 篇 wieland marc
  • 3 篇 vijay ritesh
  • 3 篇 ma lei
  • 3 篇 gong peng
  • 3 篇 chen gang
  • 3 篇 ming dongping

语言

  • 442 篇 英文
  • 52 篇 其他
  • 1 篇 中文
检索条件"主题词=Object-based Image Analysis"
495 条 记 录,以下是211-220 订阅
排序:
Multi-Sensor UAV Tracking of Individual Seedlings and Seedling Communities at Millimetre Accuracy
收藏 引用
DRONES 2019年 第4期3卷 1-20页
作者: Buters, Todd M. Belton, David Cross, Adam T. Curtin Univ ARC Ctr Mine Site Restorat Sch Mol & Life Sci Kent St Bentley WA 6102 Australia Curtin Univ Spatial Sci Sch Earth & Planetary Sci Kent St Bentley WA 6102 Australia
The increasing spatial and temporal scales of ecological recovery projects demand more rapid and accurate methods of predicting restoration trajectory. Unmanned aerial vehicles (UAVs) offer greatly improved rapidity a... 详细信息
来源: 评论
Seed and Seedling Detection Using Unmanned Aerial Vehicles and Automated image Classification in the Monitoring of Ecological Recovery
收藏 引用
DRONES 2019年 第3期3卷 1-16页
作者: Buters, Todd Belton, David Cross, Adam Curtin Univ Sch Mol & Life Sci ARC Ctr Mine Site Restorat Kent St Bentley WA 6102 Australia Curtin Univ Sch Earth & Planetary Sci Spatial Sci Bentley WA 6102 Australia
Monitoring is a crucial component of ecological recovery projects, yet it can be challenging to achieve at scale and during the formative stages of plant establishment. The monitoring of seeds and seedlings, which rep... 详细信息
来源: 评论
Assessing the use of harmonized multisource backscatter data for thematic benthic habitat mapping
收藏 引用
SCIENCE OF REMOTE SENSING 2021年 3卷
作者: Misiuk, Benjamin Lacharite, Myriam Brown, Craig J. Dalhousie Univ Dept Oceanog 6299 South St Halifax NS B3H 4R2 Canada Univ Tasmania Inst Marine & Antarct Studies Private Bag 129 Hobart Tas 7001 Australia
Legacy seabed mapping datasets are increasingly common as the need for detailed seabed information is recognized. Acoustic backscatter data from multibeam echosounders can be a useful surrogate for seabed properties a... 详细信息
来源: 评论
Proof of concept of a novel cloud computing approach for object-based remote sensing data analysis and classification
收藏 引用
GISCIENCE & REMOTE SENSING 2019年 第4期56卷 536-553页
作者: Antunes, R. R. Blaschke, T. Tiede, D. Bias, E. S. Costa, G. A. O. P. Happ, P. N. Fed Univ Brasilia Dept Geosci Brasilia DF Brazil Univ Salzburg Dept Geoinformat Z GIS Salzburg Austria Univ Estado Rio De Janeiro Dept Informat & Comp Sci Rio De Janeiro Brazil Pontifical Catholic Univ Rio de Janeiro Dept Elect Engn Rio De Janeiro Brazil
Advances in the development of Earth observation data acquisition systems have led to the continuously growing production of remote sensing datasets, for which timely analysis has become a major challenge. In this con... 详细信息
来源: 评论
A customized framework for regional classification of conifers using automated feature extraction
收藏 引用
METHODSX 2021年 8卷 101379页
作者: Roth, Cali L. Coates, Peter S. Gustafson, K. Benjamin Chenaille, Michael P. Ricca, Mark A. Sanchez-Chopitea, Erika Casazza, Michael L. US Geol Survey Western Ecol Res Ctr Dixon CA USA
Pinyon and juniper expansion into sagebrush ecosystems is one of the major challenges facing land managers in the Great Basin. Effective pinyon and juniper treatment requires maps that accurately and precisely depict ... 详细信息
来源: 评论
Fate of pioneering vegetation patches in a dynamic meandering river
收藏 引用
EARTH SURFACE PROCESSES AND LANDFORMS 2019年 第8期44卷 1618-1632页
作者: Kleinhans, Maarten Douma, Harke Addink, Elisabeth A. Univ Utrecht Fac Geosci POB 80115 NL-3508 TC Utrecht Netherlands
Fluvial biomorphodynamics in actively meandering rivers entail interactions between hydromorphodynamics and pioneering tree species that have eco-engineering effects. Here we study spatiotemporal patterns of vegetatio... 详细信息
来源: 评论
Comparing ultra-high spatial resolution remote-sensing methods in mapping peatland vegetation
收藏 引用
JOURNAL OF VEGETATION SCIENCE 2019年 第5期30卷 1016-1026页
作者: Rasanen, Aleksi Juutinen, Sari Tuittila, Eeva-Stiina Aurela, Mika Virtanen, Tarmo Univ Helsinki Fac Biol & Environm Sci Ecosyst & Environm Res Programme Helsinki Finland Univ Helsinki Helsinki Inst Sustainabil Sci HELSUS Helsinki Finland Norwegian Univ Sci & Technol Dept Geog Trondheim Norway Univ Eastern Finland Sch Forest Sci Joensuu Finland Finnish Meteorol Inst Helsinki Finland
Questions How to map floristic variation in a patterned fen in an ecologically meaningfully way? Can plant communities be delineated with species data generalized into plant functional types? What are the benefits and... 详细信息
来源: 评论
Comparing random forests and convoluted neural networks for mapping ghost crab burrows using imagery from an unmanned aerial vehicle
收藏 引用
ESTUARINE COASTAL AND SHELF SCIENCE 2019年 224卷 84-93页
作者: Bycroft, Rachel Leon, Javier X. Schoeman, David Univ Sunshine Coast Sch Sci & Engn Global Change Ecol Res Grp Sippy Downs Qld 4556 Australia Nelson Mandela Univ Dept Zool Ctr African Conservat Ecol Port Elizabeth South Africa
Sandy beaches are important ecosystems that line a third of the world's ice-free coastlines. Unfortunately, these environments and the life they support are often threatened by various anthropogenic and natural fa... 详细信息
来源: 评论
object-based delineation of urban tree canopy: assessing change in Oklahoma City, 2006-2013
收藏 引用
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS 2019年 73卷 85-94页
作者: Ellis, Emily A. Mathews, Adam J. Oklahoma State Univ Dept Geog Ctr Applicat Remote Sensing Stillwater OK 74078 USA Western Michigan Univ Dept Geog Kalamazoo MI 49008 USA
With a burgeoning global population, the pressures of urbanization are increasingly prevalent. The need to quantify urban greenness remains significant due to environmental impact and its relationship with human wellb... 详细信息
来源: 评论
Self-adaptive segmentation of satellite images based on a weighted aggregation approach
收藏 引用
GISCIENCE & REMOTE SENSING 2019年 第2期56卷 233-255页
作者: Xiong, Ziqian Zhang, Xiuyuan Wang, Xiaonan Yuan, Jing Wuhan Digital Engn Res Inst Wuhan Hubei Peoples R China Peking Univ Inst Remote Sensing & GIS Beijing Peoples R China Capital Univ Econ & Business Beijing Key Lab Megareg Sustainable Dev Modelling Beijing Peoples R China CETC Res Inst 54 Shijiazhuang Hebei Peoples R China
image segmentation is a decisive process in object-based image analysis, while the uncertainty of segmentation scales can significantly influence the results. To resolve this issue, this study proposes a Self-Adaptive... 详细信息
来源: 评论