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Processing method and system for image fusion

An image fusion and processing method technology, applied in the field of image processing, can solve the problems of high spatial resolution, high spectral resolution, low spatial resolution of multi-spectral images, etc., and achieve the effect of high spatial resolution and high spectral resolution

Inactive Publication Date: 2014-11-19
SUZHOU CODYY NETWORK SCI & TECH
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Problems solved by technology

[0002] The remote sensing satellite detects the terrain, and the obtained multi-spectral image has low spatial resolution and poor definition but high spectral resolution; while the obtained panchromatic band image has low spectral resolution but high spatial resolution

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  • Processing method and system for image fusion
  • Processing method and system for image fusion
  • Processing method and system for image fusion

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Embodiment Construction

[0021] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0022] figure 1 Shown is the flow chart of the image fusion processing method in Embodiment 1 of the present invention, including the following steps:

[0023] Step 101: Convert the multispectral image from the RGB color space to the HIS color space to obtain the hue (H) component, saturation (S) component and brightness (I) component;

[0024] Wherein, before converting the multispectral image from the RGB color space to the HIS color space, it also includes: if the spatial resolution of the multispectral image is lower than the first preset value, triggering the conversion of the multispectral image from the RGB color space to the HIS color space.

[0025] Step 102: According to the filter type,...

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Abstract

The invention provides a processing method and a system for image fusion. The processing method comprises the following steps: converting a multispectral image from an RGB colour space to an HIS colour space to obtain a hue (H) component, a saturation (S) component and an illumination (I) component; acquiring level number for analyzing the full color wave band image through an analysis wave based on the spatial resolution ratio of the filter type, the full color wave band image and the multispectral image; analyzing the full color wave band image and acquiring high frequency information and low frequency information corresponding to the level number according to the acquired level number; performing fusion on the acquired high frequency information corresponding to the level number and an I component image according to the preset strategy, so as to acquire an I' component fusion image; performing fusion on the S component, the H component and the acquired I' component, performing conversion to the RGB colour space, and acquiring the targeted multispectral image. Through the technical scheme of the invention, the acquired targeted multispectral image is high in space resolution and spectral resolution.

Description

technical field [0001] The invention belongs to the field of image processing, in particular to an image fusion processing method and system. Background technique [0002] Remote sensing satellites detect terrain, and the multispectral images obtained have low spatial resolution and poor definition but high spectral resolution; while panchromatic band images obtained have low spectral resolution but high spatial resolution. [0003] In order to better reflect the terrain with one image, it is necessary to obtain a multispectral image with both high spectral resolution and high spatial resolution. Contents of the invention [0004] The present invention provides an image fusion processing method and system to solve the above problems. [0005] The invention provides an image fusion processing method. The above method comprises the following steps: [0006] Convert the multispectral image from the RGB color space to the HIS color space to obtain the hue (H) component, sat...

Claims

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Application Information

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IPC IPC(8): G06T3/40G06T5/00
Inventor 沈玉将袁小青
Owner SUZHOU CODYY NETWORK SCI & TECH
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