Heterogeneous image block matching method based on image conversion
An image conversion and heterogeneous image technology, applied in the field of image processing, can solve problems such as poor network matching accuracy and generalization, inability to extract targeted features from different images, and loss of spatial information of features, so as to overcome the inconsistency of feature calculation distance Accurate, overcome low matching accuracy and poor robustness, improve accuracy and robustness
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[0046] The present invention will be further described below in conjunction with the accompanying drawings.
[0047] Such as figure 1 As shown, the heterogeneous image block matching method based on image conversion provided by the present invention comprises the following steps:
[0048] Step 1, get training samples and test samples:
[0049] (1a) Read in the registered heterogeneous images, which include SAR images and optical images;
[0050] (1b) Use the Harris method to detect the corners of the optical image, and use the coordinates of the detected corner A as the center point, and use a fixed value w as the side length to cut blocks on the optical image to obtain optical image blocks. In the example, the value of w is 32;
[0051] (1c) Take the feature point B corresponding to the corner point coordinates on the SAR image, and at the same time, randomly select a feature point C on the SAR image, and then use the coordinates of feature point B and feature point C on t...
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