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Method for fusion generation of high-resolution multi-spectral image

A multi-spectral image and high-resolution technology, which is applied in the field of remote sensing image processing, can solve the problems of data characteristic differences, inability to eliminate differences, spectral distortion of high-resolution multi-spectral images, etc., and achieve the effect of increasing details

Inactive Publication Date: 2006-12-13
REMOTE SENSING APPLIED INST CHINESE ACAD OF SCI
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Problems solved by technology

[0015] The above fusion method has a disadvantage: the data characteristics of the high-resolution panchromatic band and the first principal component are very different
Histogram matching is to narrow the difference between the two, but it cannot eliminate the difference between the two, resulting in spectral distortion in the fused high-resolution multispectral image

Method used

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  • Method for fusion generation of high-resolution multi-spectral image
  • Method for fusion generation of high-resolution multi-spectral image
  • Method for fusion generation of high-resolution multi-spectral image

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] The process of the method of the present invention to realize the data fusion of Econos is as follows: figure 2 shown. figure 2 It includes a resampling unit 12 , a synthetic simulation unit 14 and an image fusion unit 16 . Unit 12 resamples the original low-resolution multispectral image by band to obtain a superpixel multispectral image. The resampling method is bicubic convolution, which is performed sequentially by row and column. The image produced by the bicubic convolution method has advantages in maintaining image information and image smoothness, and can avoid block and jagged effects. Re-sampling. The original low-resolution multispectral image is resampled by band to obtain a superpixel multispectral image. Then enter the synthetic simulation unit 14 .

[0036] Unit 14 arranges the image pixels of the four bands of the superpixel mul...

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Abstract

The provided method for high-resolution multispectral image comprises: to the original low-resolution image from satellite and the space-matched high-resolution full-color image, composing the simulated low-resolution full-color image by opposite wave band statistic relation; then, determining details to add by ratio on the original image and generate target image. This invention can eliminate spectral distortion efficiently.

Description

technical field [0001] The present invention relates to the field of remote sensing image processing data fusion technology, in particular to the fusion of low-resolution multi-spectral bands and high-resolution panchromatic bands of the same sensor of optical remote sensing satellites to generate high-resolution multi-spectral images, especially a fusion generation of high-resolution The method of high-rate multi-spectral image is suitable for remote sensing image processing such as Aikonos satellite. Background technique [0002] Many optical remote sensing satellite systems simultaneously provide multispectral images with low spatial resolution and panchromatic images with high spatial resolution. A 4-meter multispectral image containing blue, green, red, and near-infrared bands. In order to optimize the use of information, especially the use of high-resolution information in the panchromatic band, many image fusion techniques strive to combine the high spatial resolutio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/00
Inventor 唐娉
Owner REMOTE SENSING APPLIED INST CHINESE ACAD OF SCI
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