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影像匹配
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  image matching
Texture is an important attribute for medical image matching and retrieval.
      
The SCSF is effective and efficient for image matching because it is independent of image distortion such as rotation and flip as well as it increases the matching accuracy.
      
Our experiments show that the image matching is quickly and efficiently with the use of SCSF.
      
Then image matching, based on the maximum correlation coefficient, is performed between registered images after the low contrast areas have been removed.
      
In this paper, an automatic approach with multi-step image matching algorithm is presented.
      
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  image match
After correction, the profiles of the corrected image match closely those of image 2.
      
Being from the past, they use only geometric image match and geometric shape metrics, and the geometric metrics use only position and width values.
      
During segmentation coarse-scale deformations of the geometry could be done first, using coarse-level profiles for the image match.
      
First RANSAC is performed to compute the homography, then a probabilistic model is invoked to verify the image match based on the number of inliers.
      
Future work will add a more principled probabilistic model for image match verification.
      
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Stereo image matching is the key link in extracting elevation information from SPOT data. Based on the SPOT data analysis of the geometric and the image quality, a new method of multi-level image matching are proposed. Experiments in real image pairs show that, using the method, not only the good precision and the reliability are obtained but also the processing speed is high. The new method can be used to rapidly generate DEM for remote sensing data analysis.

立体影像匹配是自动提取SPOT影像高程信息的关键技术。本文根据SPOT影像在几何构像关系和影像质量上的特点,提出了多级匹配的结构策略。实际像对匹配实验表明,多级匹配法具有较好的可靠性和精度水平,而且运算速度快,在快速生成DEM数据辅助遥感信息分析方面,有重要的应用价值。

A compression method of keeping match consistency on remote sensing image is represented. A lot of results of experiments are presented. The results describe the relation between image compression and match. At the same time, conclusion is drawn that for aerial remote sensing image at 25 μm resolution, when the compression ratio is 8∶1,match consistency is kept.

基于影像匹配一致性,结合小波变换与分析,提出了一种适用于遥感影像的有失真压缩编码方法。考察了不同的压缩倍率对影像匹配偏移中误差的影响。

The general process on multi-anglar image registration is presented in this paper. An example on multi-anglar image matching has made by means of POLDER im-apes. The result indicates that the method being proposed is practical, and the accuracy is much better.

本文论述了多角度影像匹配的一般过程,并应用POLDER影像作了多角度影像匹配实验,实验结果表明,方法可行,精度较高。

 
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