搜索结果: 1-6 共查到“测绘科学技术 Shadow detection”相关记录6条 . 查询时间(0.125 秒)
BUILDING SHADOW DETECTION FROM GHOST IMAGERY
Ghost image Interior and exterior orientation elements Zenith angle of sun Region growing method Urban large-scale aerial imagines
2018/5/17
Shadow is one of the basic features of remote sensing image, it expresses a lot of information of the object which is loss or interference, and the removal of shadow is always a difficult problem to r...
Shadow Detection of Urban Aerial Images Based on Partial Differential Equations
Shadow Detection Urban Aerial Image Partial Differential Equations Image Understanding Feature Detection
2015/12/2
Shadow detection plays an important role in digital aerial image processing. In this paper, shadow is treated as a special kind of image degradation. Shadow region commonly has lower brightness than n...
A SYSTEM OF THE SHADOW DETECTION AND SHADOW REMOVAL FOR HIGH RESOLUTION CITY AERIAL PHOTO
Aerial OrthoImage High resolution Surface
2015/6/2
This paper presents a methodology to automatically detect and remove the shadows in high-resolution urban aerial images for urban
GIS applications. The system includes cast shadow computation, image...
SHADOW DETECTION IMPROVEMENT USING SPECTRAL INDICES AND MORPHOLOGICAL OPERATORS IN URBAN AREAS IN HIGH RESOLUTION IMAGES
Shadow detection high resolution
2015/5/6
While high-resolution remote sensing images have increased application possibilities for urban studies, the large number of shadow areas has created challenges to processing and extracting informati...
SHADOW DETECTION FROM VERY HIGH RESOLUTON SATELLITE IMAGE USING GRABCUT SEGMENTATION AND RATIO-BAND ALGORITHMS
VHR Satellite Imagery Shadow Detection Shadow Context Image Segmentation Grab Cut partitioning Urban Area WorldView-3
2015/4/1
Very-High-Resolution (VHR) satellite imagery is a powerful source of data for detecting and extracting information about urban constructions. Shadow in the VHR satellite imageries provides vital infor...
FAST OCCLUSION AND SHADOW DETECTION FOR HIGH RESOLUTION REMOTE SENSING IMAGE COMBINED WITH LIDAR POINT CLOUD
Fast Occlusion Shadow High Resolution Remote Sensing LiDAR
2014/4/29
The orthophoto is an important component of GIS database and has been applied in many fields. But occlusion and shadow causes the loss of feature information which has a great effect on the quality of...