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- topographic feature point 地性点
- Fractal theory provides an effective tool for quantitative study of some complex system such as watershed topographic feature. 摘要分形理论为流域地貌形态等复杂体系的定量化研究提供了一种有效工具。
- Based on feature points extraction and total least squares approximation, a new method is presented for extracting and vectorizing Street blocks on topographic maps. 摘要提出了特征点提取和总体最小二乘拟合相结合的新方法,对扫描地图上的居民地街区进行提取和矢量化。
- An approach to contour extraction and feature point detection in the 3-D fragment reassembly is proposed. 针对三维空间碎片的拼接,提出一种轮廓提取和特征点检测的方法。
- And by using the gradient vectors of the feature point, we can obtain rotate angle, major diameter and minor diameter in each subimage. (2)在各子图中由边界点梯度向量和候选形心座标,获得椭圆旋转角和长短轴比率;
- What is the topographical feature in the area of Guilin? 桂林的地形是什么样的?
- Welding seam feature point was extraced by laser vision sensing that enhanced the precision of seam identification in teleteaching. 提出了用于遥控焊接的激光视觉传感辅助遥控示教技术。
- More complex topographic features are treated advantageously by application of relaxation methods. 比较复杂的地物,最好用松弛方法处理。
- The trifocal tensor can eliminate the wrong matches while the epipolar geometry algorithms of feature point and line match can not find them. 利用三视张量能够消除两视情况下特征点、特征线匹配算法所不能发现的错误匹配。
- The intense of internal tide in the Luzon Strait is due to topographic features and the characteristic of M2 tide. 吕宋海峡M_2内潮响应强烈是由于其地形和M_2潮波的特征所决定的;
- To resolve those problems mentioned above, in this paper the authors propose a global matching method based on combination of feature point and feature edge. 为更好地解决上述问题,本文提出了基于特征点匹配与边缘线匹配相结合的方法。
- But also for its unique topographical features. 而且地质地貌非常独特。
- The main steps include camera calibration, the matching of motion and stereo images, 3-D feature point correspondences and resolving the motion parameters. 其主要步骤包括相机检校、运动与立体影像的匹配、运动前后三维特征点的对应以及运动参数的求解。
- It occupies a special geographic location, and is known for its majestic nature sceneries, typical topographic features, and well-preserved ecological environment. 峨眉山以其特殊的地理位置、俊秀神奇的自然景观、典型的地质地貌、保护完好的生态环境而著称。
- The log-polar transform (LPT) is utilized and an anti-rotation and anti-scale image matching algorithm is proposed based on the image edge feature point extraction. 在惯性导航系统中,定量分析了景象匹配过程中惯性导航系统漂移和无线电气压高度表测量误差对实测图的旋转和尺度所造成的影响,引入了对数极坐标变换。
- Based on field survey data, the hydrodynamical characteristics, submarine topographic features, sediment types and stratum distribution of the Guangli river mouth are obtained. 摘要为给广利河口航道的建设提供科学依据,通过对研究区现场调查,查明了广利河口拦门沙水动力特徵、海底地形、底质特徵和地层垂向分布特徵。
- It takes into account both radial and decentering distortions and uses Gaussian distribution fitting to accurately obtain the imaging centers of feature point image coordinates. 采用二次高斯曲面拟合,精确地提取像点的质心坐标。校准过程包括线性参数估计和基于最大似然估计的非线性校正。
- There are rich species resources and manifold ecosystems in the middle part of Yaluzangbu River Basin due to the unique highland climate and varied topographic features. 由于独特的高原气候和错综复杂的地形地貌,雅鲁藏布江中部地区物种资源异常丰富,生态系统类型多样,具有很高的保护价值和利用价值。
- There are rich species resources and diversified ecosystems in A La Shan area due to the specical conditions of natural geography and the unique topographic features. 由于特殊的自然地理条件和独特的地形地貌类型,阿拉善地区具有丰富的珍稀物种资源和多样的生态系统。
- We improved the initialization meaning of -swap algorithm, according to the results of primary matching of feature point, and the convergence of energy function is speeded up. 结合特征点初匹配的结果,增强了 扩张运动算法所赋初值的意义,有效地提高了能量函数的收敛效率。