成果/Result
- 利用机载激光雷达数据提取单株木树高和树冠被引量：98收藏
- 作者：刘清旺[1] 李增元[1] 陈尔学[1] 庞勇[1] 武红敢[1]
- 机构：中国林业科学研究院资源信息研究所
- 来源：《北京林业大学学报》 2008
- 关键词：激光雷达 激光应用 单株木 树高 树冠 双正切角树冠识别算法
- 摘要：机载激光雷达是一种主动遥感技术。在林业应用方面,高采样密度激光雷达能够获取单株木三维结构特征,采用不同的数据处理方法,可以得到不同精度的单株木参数。该文利用高采样密度的机载激光雷达数据(离散回波,平均激光点间隔0.52 ...
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- Using GF-2 Imagery and the Conditional Random Field Model for Urban Forest Cover Mapping被引量：35收藏
- 作者：Wang, Hao[1] Wang, Chengbo[1] Wu, Honggan[2]
- 机构：Chinese Acad Sci;Chinese Acad Forestry
- 来源：REMOTE SENSING LETTERS 2016
- 关键词：Mapping - Maximum likelihood - Random processes - Satellite imagery - Textures
- Mapping karst rocky desertification using Landsat 8 images被引量：29收藏
- 作者：Li, Shuang[1] Wu, Honggan[2]
- 机构：Chinese Acad Sci;Chinese Acad Forestry
- 来源：REMOTE SENSING LETTERS 2015
- 关键词：decision trees - Maximum likelihood - Remote sensing - Trees (mathematics)
- Simple weakly supervised deep learning pipeline for detecting individual red-attacked trees in VHR remote sensing images被引量：23收藏
- 作者：Qiao, Rui[1] Ghodsi, Ali[1] Wu, Honggan[2] Chang, Yuanfei[3] Wang, Chengbo[3]
- 机构：Univ Waterloo;Chinese Acad Forestry;Chinese Acad Sci
- 来源：REMOTE SENSING LETTERS 2020
- 关键词：Antennas - Convolutional neural networks - Cost effectiveness - Forestry - Large dataset - Object detection - Object recognition - Pipelines - Remote sensing - Statistical tests
- Analysis of wavelet packet and statistical textures for object-oriented classification of forest-agriculture ecotones using SPOT 5 imagery被引量：22收藏
- 作者：Su, Wei[1] Zhang, Chao[1] Yang, Jianyu[1] Wu, Honggan[2] Deng, Lei[3]
- 机构：China Agr Univ;Chinese Acad Forestry;Capital Normal Univ
- 来源：INTERNATIONAL JOURNAL OF REMOTE SENSING 2012
- 关键词：Feature extraction - Image analysis - Image classification - Image enhancement - Remote sensing - Textures - Wavelet analysis - Wavelet transforms
- A new hierarchical moving curve-fitting algorithm for filtering lidar data for automatic DTM generation被引量：21收藏
- 作者：Su, Wei[1] Sun, Zhongping[2] Zhong, Ruofei[3] Huang, Jianxi[1] Li, Menglin[4]
- 机构：China Agr Univ;Minist Environm Protect;Capital Normal Univ;Chinese Acad Sci;Chinese Acad Forestry
- 来源：INTERNATIONAL JOURNAL OF REMOTE SENSING 2015
- 关键词：Building materials - Curve fitting - Errors - Scales (wEIghing instruments) - Vegetation
- 改进的多级移动曲面拟合激光雷达数据滤波方法被引量：17收藏
- 作者：孙崇利[1,2] 苏伟[1,2] 武红敢[3] 刘睿[1,2] 刘婷[1,2]
- 机构：农业部农业信息获取技术重点实验室;中国农业大学信息与电气工程学院;中国林业科学研究院资源信息研究所
- 来源：《红外与激光工程》 2013
- 关键词：激光雷达 数据滤波 自适应阈值 多尺度加权插值
- 摘要：激光雷达数据滤波是为了获取高精度数字高程模型而改进的多级移动曲面拟合滤波方法。预处理剔除了粗差点和大部分建筑物侧面回波点,再通过格网化分,建立数据索引,相邻曲面保持一定的重叠度,利用最小二乘法求解拟合曲面参数,自动设置阈...
- 其他来源数据库：
万方期刊数据库
同方期刊数据库 - 下载全文在线阅读
- 基于遗传和蚁群组合算法优化的遥感图像分割被引量：15收藏
- 作者：刘朔[1,3] 武红敢[2] 温庆可[1,3]
- 机构：中国科学院遥感应用研究所;中国林业科学研究院资源信息研究所;中国科学院研究生院
- 来源：《武汉大学学报：信息科学版》 2009
- 关键词：遥感图像分割 小生境遗传算法 蚁群算法 三维熵 模糊聚类
- 摘要：将遗传算法和蚁群算法组合对模糊聚类进行优化,巧妙地对图像的像素特征和空间特征进行提取,利用这些特征作为聚类依据,将图像的多个特征结合到智能计算中,充分利用了遗传算法和蚁群算法各自的优势和特点,既提高了图像分割的准确性,又...
- 其他来源数据库：万方期刊数据库同方期刊数据库
- 下载全文在线阅读
- Land Cover Classification Using Features Generated From Annual Time-Series Landsat Data被引量：9收藏
- 作者：Xiao, Jingge[1,2] Wu, Honggan[3] Wang, Chengbo[1] Xia, Hao[1]
- 机构：Chinese Acad Sci;Univ Chinese Acad Sci;Chinese Acad Forestry
- 来源：IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 2018
- 关键词：Image classification Landsat LandUTime time series UniBagging
- Knowledge-Based Object Oriented Land Cover Classification Using SPOT5 Imagery in Forest-Agriculture Ecotones被引量：4收藏
- 作者：Su Wei[1] Zhang Chao[1] Yang Jianyu[1] Wu Honggan[2] Chen Minjie[1]
- 机构：China Agr Univ;Chinese Acad Forestry
- 来源：SENSOR LETTERS 2010
- 关键词：Knowledge-Based Object Oriented Land Cover Classification Forest-Agriculture Ecotones Chessboard Segmentation Multi-Resolution Segmentation
- Improving classification of woodland types using modified prior probabilities and Gaussian mixed model in mountainous landscapes被引量：4收藏
- 作者：Chen, Chenxin[1] Tang, Ping[1] Wu, Honggan[2]
- 机构：Chinese Acad Sci;Chinese Acad Forestry
- 来源：INTERNATIONAL JOURNAL OF REMOTE SENSING 2013
- 关键词：Classification (of information) - Data reduction - Gaussian distribution - Land use - Maximum likelihood - Remote sensing - Surveying
- A study of the potential of using GF-1 images for the detection of forest defoliation被引量：3收藏
- 作者：Shi, Muyao[1] Wu, Honggan[2]
- 机构：Chinese Acad Sci;Chinese Acad Forestry
- 来源：REMOTE SENSING LETTERS 2015
- 关键词：Earth sciences - Remote sensing
- Object Oriented Classification of High Spatial Imagery Using Gabor Textures and Composite Kernels被引量：3收藏
- 作者：Huo, Lian-Zhi[1] Tang, Ping[1] Wu, Hong-Gan[2]
- 机构：Chinese Acad Sci;Chinese Acad Forestry
- 来源：2011 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) 2011
- 关键词：Gabor texture composite kernels object oriented
- Automated Extracting Tree Crown from Quickbird Stand Image被引量：0收藏
- 作者：Deng, Guang[1] Li, Zengyuan[1] Wu, Honggan[1] Zhang, Xu[1]
- 机构：Chinese Acad Forestry
- 来源：COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE IV, PT 1 2011
- 关键词：Tree crown recognition algorithm Seeded based region growth segmentation Object based information extracting
- Monthly Prediction of Pine Stress Probability Caused by Pine Shoot Beetle Infestation Using Sentinel-2 Satellite Data被引量：0收藏
- 作者：Jia, Wen[1,2] Meng, Shili[1,2,3] Qin, Xianlin[1,2] Pang, Yong[1,2] Wu, Honggan[1,2]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm;Natl Forestry & Grassland Sci Data Ctr;Beijing Normal Univ;Beijing Normal Univ
- 来源：REMOTE SENSING 2024
- 关键词：forest health plant diseases and pests outbreak prediction pine shoot beetle Sentinel-2 forest disturbance random forest CCDC
- Tree crown recognition algorithm on high spatial resolution remote sensing imagery被引量：0收藏
- 作者：Deng, Guang[1] Li, Zengyuan[1] Wu, Honggan[1]
- 机构： Institute of Forest Resource Information Techniques
- 来源：Proceedings - 2010 3rd International Congress on Image and Signal Processing, CISP 2010 2010
- 关键词：Artificial intelligence - Errors - Forestry - Image resolution - Image segmentation - Shape optimization
