Method for enhancing visibility of image

A technology for enhancing images and template images. It is used in image enhancement, image data processing, instruments, etc. It can solve the problems of inability to dynamically capture scene visibility enhancement, and achieve the effect of improving real-time processing capabilities.

Active Publication Date: 2011-04-27
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to at least solve the technical defect that it is impossible to enhance the visibility of dynamic acquisition scenes with few textures and rich colors

Method used

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  • Method for enhancing visibility of image
  • Method for enhancing visibility of image
  • Method for enhancing visibility of image

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0032] like figure 1 Shown is a flowchart of a method for enhancing image visibility according to an embodiment of the present invention, and the method includes the following steps:

[0033] Step S11, acquiring at least two image information of the scene.

[0034] The current dynamic image information of the scene can be acquired through a multi-camera acquisition system. In one embodiment of the present invention, two image information are acquired through a binocular camera.

[0035] Step S12, aligning the image information with the...

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Abstract

The invention provides a method for enhancing the visibility of an image, which comprises the following steps of: obtaining information of at least two images of a scene; aligning the image information to a pre-established scene three-dimensional model to obtain a template image corresponding to the image information and depth information of the template image; estimating weather condition parameters when obtaining the image information of the scene according to the template image and the depth information of the template image; correcting the depth information of the template image according to the weather condition parameters to obtain the depth information of the scene image; and carrying out image enhancement on the depth information of the template image according to the depth information of the scene image. Through combining the scene three-dimensional model, the invention is used for effectively enhancing the visibility of a dynamically collected image with deficiency of textures and monotonous color, thereby ensuring that the collected image can better serve various applications.

Description

technical field [0001] The invention relates to the technical field of image visual enhancement, in particular to a method for enhancing image visibility. Background technique [0002] The current systems and algorithms in the field of computer vision usually assume that the acquisition environment of the input image is a vacuum, that is, regardless of the influence of the medium in the air, it is assumed that the light intensity radiated by the scene under the action of light is completely recorded by the shooting system. However, in actual situations, the above assumptions are usually not valid, and the imaging system is usually affected by fog, rain, snow, etc. to a certain extent. When there is fog, rain, snow and other weather, the complex water molecular aggregates play a leading role in the imaging, and the projection attenuation and scattering of the medium to the imaging optical fiber degrades the color of outdoor collected images under the above-mentioned severe we...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50
Inventor 戴琼海李雯张军
Owner TSINGHUA UNIV
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