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对揭示元素形成及天体起源具有重要作用的关键低能核反应由于反应截面较小,同时受宇生高能射线影响,在地面环境难以进行直接测量。在极低本底的深地环境中,利用强流离子加速器打靶,进一步提高关心核反应的发生率,就可在地球开展接近伽莫夫能区低能核反应截面直接测量。锦屏深地实验室(CJPL)具有优越的地理环境,可有效屏蔽宇生高能射线。依托CJPL的有利条件,中国原子能科学研究院正在开展核天体物理关注能区核反应直...
Land cover information is essential for urban planning and for land cover change monitoring. This paper presents an overview of the work conducted at the Federal Agency for Cartography and Geodesy (BK...
This paper considers how the use of video clips integrated into a virtual learning environment has been perceived by students on a land surveying module within a civil engineering degree. The increasi...
The OSM project provides a geodata basis for the entire world under the CC-SA licence agreement. But some parts of the world are mapped more densely compared to other regions. However, many less dev...
In this article, we present an evaluation of the application of statistical shape models for automatic landmark generation from a training set of deformable shapes and in particular, from a class of...
A novel system for automatic building reconstruction from multiple aerial images is presented. Compared to previous works, this approach uses a very generic modeling of buildings as polyhedral shapes...
Bio-optical characterization of water bodies requires spatio-temporal data about Inherent Optical Properties and Apparent Optical Properties which allow the comprehension of underwater light field ai...
The Mediterranean region is particularly prone to erosion. This is because it is subject to long dry periods followed by heavy bursts of erosive rainfall, falling on steep slopes with fragile soils,...
This study aims to analyse the dynamics of land-use and land-cover (LULC) in a selected southern Amazonian area (Brazil), monitoring and distinguishing trajectories in NDVI (Normalized Difference Ve...
Digital Elevation Models (DEM) represent fundamental data for a wide range of Earth surface process studies. Over the past years the German TanDEM-X mission acquired data for a new, truly global Dig...
In this paper we report on a system to extract 3D information from oriented digital facade images using various feature extraction/matching methods. We emphasize on 2D feature extraction from digital...
We present a new evaluation methodology and a feature extraction scheme for segmentation algorithms in the context of photo-interpretation. The novelty of the proposed methodology is that subjective ...
VIDEO-TO-3D     3D modeling  video sequences  structure from motion       2015/3/24
In this contribution we intend to present a complete system that takes a video sequence of a static scene as input and generates visual 3D model. The system can deal with images acquired by an uncali...
This paper describes a method for blind estimation of sharpness and resolving power from a single image. These measures can be used to characterize images in the context of the performance of image a...
完整推导1PN度规形式下脉冲到达时间方程与脉冲星导航的观测方程。分析导航观测中的相对论影响;给出观测方程的级数展开形式,在此基础上分析脉冲星历表参数对观测时间的影响;讨论行星星历误差对观测时间的影响;推导星体扁率引起的测量时延表达式,分析不同星体扁率引起的时延量级。

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