Rapid SAR and full-color image registering method and device

A full-color image and fast technology, applied in the field of image processing, can solve problems such as easy to fall into local extremum, affect registration accuracy, and be easily affected by noise, so as to speed up registration, avoid local extremum, and remove noise Effect

Inactive Publication Date: 2015-05-06
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

The above method has the following shortcomings: different scenes need to select different features, there is no general model to follow, and there are strong application limitations; it is easily affected by noise
In the process of optimizing the search, the current mutual information function local extremum problem mainly obtains a smoother function curve by introducing more complex interpolation functions or com

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  • Rapid SAR and full-color image registering method and device
  • Rapid SAR and full-color image registering method and device
  • Rapid SAR and full-color image registering method and device

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Embodiment Construction

[0035] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0036] ginseng figure 1 as shown, figure 1 A flow chart of an embodiment of a method for fast registration of a SAR and a panchromatic image according to the present invention is shown.

[0037] This embodiment provides a method for rapid registration of SAR and panchromatic images, including:

[0038] Step S102, performing data block on the reference image and the transformed floating image to obtain multiple data sub-blocks;

[0039] Step S103, calculating the joint probability distribution matrix and cumulative function value of each data sub-block;

[0040] Step S104, merging the joint probability distribution matrix and cumulative function value of each data sub-block, iteratively calculating the CCRE of the reference image and the floating image.

[0041] This embodiment uses cross-cumulative residual ent...

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Abstract

The invention belongs to the image processing field and in particular relates to a rapid SAR and full-color image registering method and device. The rapid SAR and full-color image registering method comprises the following steps of step 1 performing data partitioning on reference images and transformed floating images and obtaining a plurality of data sub-blocks; step 2 calculating a joint probability distribution matrix and an accumulated function value of every data sub-block; step 3 combining the joint probability distribution matrix and the accumulated function value of every data sub-block, calculating CCRE of the reference images and the floating images in an iterating mode. The rapid SAR and full-color image registering method obviously improves the registering speed under the premise that the registering accuracy is guaranteed.

Description

technical field [0001] The invention belongs to the field of image processing, and in particular relates to a method and device for rapid registration of SAR and panchromatic images. Background technique [0002] Multi-source image registration refers to determining the transformation parameters between images based on some similarity measures, so that two or more images of the same scene acquired from different sensors, different perspectives, and different times are transformed into the same coordinate system, and the pixel The process of getting the best match on the layer. [0003] Remote sensing image registration methods are generally divided into image registration methods based on feature extraction and image registration methods based on gray information. In the remote sensing image registration method based on feature extraction, the most commonly used features are Harris corner points, Moravec corner points, SIFT feature points, etc. The above method has the fol...

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Application Information

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IPC IPC(8): G06T3/00G06T3/40
CPCG06T3/4038
Inventor 张永梅马礼胥玉龙张谦李争平
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY
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