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171-180 订阅
排序:
High-latitude wetland mapping using multidate and multisensor Earth observation data: a case study in the Northwest Territories
收藏 引用
JOURNAL OF APPLIED REMOTE SENSING 2020年 第3期14卷
作者: Merchant, Michael Haas, Claudia Schroder, Julien Warren, Rebecca Edwards, Rebecca Ducks Unlimited Canada Natl Boreal Program Edmonton AB Canada Govt Northwest Terr Yellowknife NT Canada
The main objective in our study was to derive an accurate wetland inventory of the Dinaga Wek'ehodi region, Northwest Territories, while also enhancing our previously established wetland mapping workflow. Our meth... 详细信息
来源: 评论
Novel insights into prehistoric land use at Stonehenge by combining electromagnetic and invasive methods with a semi-automated interpretation scheme
收藏 引用
JOURNAL OF ARCHAEOLOGICAL SCIENCE 2022年 143卷
作者: De Smedt, Philippe Garwood, Paul Chapman, Henry Deforce, Koen De Grave, Johan Hanssens, Daan Vandenberghe, Dimitri Univ Ghent Fac Biosci Engn Dept Environm Res Grp Soil Spatial Inventory Tech Ghent Belgium Univ Ghent Fac Arts & Philosophy Dept Archaeol Ghent Belgium Univ Birmingham Sch Hist & Cultures Dept Class Ancient Hist & Archaeol Birmingham England Royal Belgian Inst Nat Sci Brussels Belgium Univ Ghent Dept Geol Fac Sci Lab Mineral & Petrol Ghent Belgium
Geophysical survey methods have led to high-resolution mapping of subsurface remnants of ancient landscapes at continually expanding spatial scales. Yet, particularly when applied across entire archaeological landscap... 详细信息
来源: 评论
Mapping LULC types in the Cerrado-Atlantic Forest ecotone region using a Landsat time series and object-based image approach: A case study of the Prata River Basin, Mato Grosso do Sul, Brazil
收藏 引用
ENVIRONMENTAL MONITORING AND ASSESSMENT 2020年 第2期192卷 1-15页
作者: da Cunha, Elias Rodrigues Santos, Celso Augusto Guimaraes da Silva, Richarde Marques Bacani, Vitor Matheus Teodoro, Paulo Eduardo Panachuki, Eloi de Souza Oliveira, Naelmo Univ Fed Paraiba Dept Geosci Joao Pessoa Paraiba Brazil Univ Fed Paraiba Dept Civil & Environm Engn BR-58051900 Joao Pessoa Paraiba Brazil Univ Fed Mato Grosso do Sul Aquidauana MS Brazil Univ Fed Mato Grosso do Sul Dept Geog Tres Lagoas MS Brazil Univ Fed Mato Grosso do Sul Dept Agron Chapadao Do Sul MS Brazil Univ Estadual Mato Grosso do Sul Dept Agron Aquidauana MS Brazil
In the last 30 years, the growth of the agriculture and livestock industries in the Cerrado biome has caused severe changes in land use and land cover (LULC), and areas previously occupied by native vegetation are cha... 详细信息
来源: 评论
Monitoring conifer cover: Leaf-off lidar and image-based tracking of eastern redcedar encroachment in central Nebraska
收藏 引用
REMOTE SENSING OF ENVIRONMENT 2020年 248卷 111961-111961页
作者: Filippelli, Steven K. Vogeler, Jody C. Falkowski, Michael J. Meneguzzo, Dacia M. Colorado State Univ Nat Resource Ecol Lab Ft Collins CO 80523 USA US Forest Serv USDA Forest Inventory & Anal St Paul MN 55108 USA
Eastern redcedar (Juniperus virginiana L.) encroachment on the Great Plains has led to decreases in biodiversity, water availability, and grazing land while increasing the risk of catastrophic wildfires. Quantifying t... 详细信息
来源: 评论
A Deep Siamese Network with Hybrid Convolutional Feature Extraction Module for Change Detection based on Multi-sensor Remote Sensing images
收藏 引用
REMOTE SENSING 2020年 第2期12卷 205-205页
作者: Wang, Moyang Tan, Kun Jia, Xiuping Wang, Xue Chen, Yu China Univ Min & Technol NASG Key Lab Land Environm & Disaster Monitoring Xuzhou 221116 Jiangsu Peoples R China East China Normal Univ Minist Educ Key Lab Geog Informat Sci Shanghai 200241 Peoples R China Univ New South Wales Sch Engn & Informat Technol Canberra ACT 2600 Australia
Information extraction from multi-sensor remote sensing images has increasingly attracted attention with the development of remote sensing sensors. In this study, a supervised change detection method, based on the dee... 详细信息
来源: 评论
Rapid urban flood damage assessment using high resolution remote sensing data and an object-based approach
收藏 引用
GEOMATICS NATURAL HAZARDS & RISK 2020年 第1期11卷 906-927页
作者: Jimenez-Jimenez, Sergio Ivan Ojeda-Bustamante, Waldo Ontiveros-Capurata, Ronald Ernesto Marcial-Pablo, Mariana de Jesus Natl Inst Forestry Agr & Livestock Res Mexico CEN Mexico City 04010 DF Mexico Mexican Coll Irrigat Engineers COMEII Cuernavaca Morelos Mexico CONACYT Mexican Inst Water Technol IMTA Jiutepec Mexico
Torrential rainfall can generate landslides, flash floods, and debris flows which might become disasters, causing loss of life and damage to property and infrastructure. To respond opportunely to hydrometeorological h... 详细信息
来源: 评论
Supervised wetland classification using high spatial resolution optical, SAR, and LiDAR imagery
收藏 引用
JOURNAL OF APPLIED REMOTE SENSING 2020年 第2期14卷
作者: Amani, Meisam Mandavi, Sahel Berard, Olivier Wood Environm & Infrastruct Solut St John NF Canada Pk Canada Agcy Quebec City PQ Canada
Wetlands are among the most valuable natural resources, being highly beneficial to both the environment and humans. Therefore, it is very important to map and monitor wetlands. Although various remote sensing datasets... 详细信息
来源: 评论
Evaluation of crop mapping on fragmented and complex slope farmlands through random forest and object-oriented analysis using unmanned aerial vehicles
收藏 引用
GEOCARTO INTERNATIONAL 2020年 第12期35卷 1293-1310页
作者: Lee, Re-Yang Chang, Kuo-Chen Ou, Deng-Yuan Hsu, Chia-Hui Feng Chia Univ Dept Land Management Taichung Taiwan Natl Taiwan Normal Univ Dept Geog Taipei Taiwan
Conducting field research in Taiwan can be challenging because of the abundance of steep slopes. This study aimed to establish an automatic interpretation procedure applicable to exploring images of large-scale slope ... 详细信息
来源: 评论
Tracking long-term floodplain wetland changes: A case study in the China side of the Amur River Basin
收藏 引用
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION 2020年 92卷 102185-102185页
作者: Jia, Mingming Mao, Dehua Wang, Zongming Ren, Chunying Zhu, Qiande Li, Xuechun Zhang, Yuanzhi Chinese Acad Sci Northeast Inst Geog & Agroecol Key Lab Wetland Ecol & Environm Changchun 130102 Peoples R China Nanjing Univ Informat Sci & Technol Sch Marine Sci Nanjing 210044 Peoples R China Natl Earth Syst Sci Data Ctr China Beijing 100101 Peoples R China Nanjing Hydraul Res Inst State Key Lab Hydrol & Water Resources & Hydraul Nanjing 210029 Peoples R China Chinese Univ Hong Kong Fac Social Sci Hong Kong 999777 Peoples R China Chinese Univ Hong Kong Asia Pacific Studies Inst Hong Kong 999777 Peoples R China
Floodplain wetlands in the China side of the Amur River Basin (CARB) undergone consistent decreases because of both natural and anthropogenic drivers. Monitoring floodplain wetlands dynamics and conversions over longt... 详细信息
来源: 评论
Retrieving individual tree heights from a point cloud generated with optical imagery from an unmanned aerial vehicle (UAV)
收藏 引用
CANADIAN JOURNAL OF FOREST RESEARCH 2020年 第10期50卷 1012-1024页
作者: Wang, Meimei Lin, Jiayuan Southwest Univ Sch Geog Sci Minist Educ Chongqing Jinfo Mt Field Sci Observat & Res Stn K Chongqing 400715 Peoples R China Southwest Univ Sch Geog Sci Chongqing Engn Res Ctr Remote Sensing Big Data Ap Chongqing 400715 Peoples R China
Individual tree height (ITH) is one of the most important vertical structure parameters of a forest. Field measurement and laser scanning are very expensive for large forests. In this paper, we propose a cost-effectiv... 详细信息
来源: 评论