Underwater-image enhancement system and enhancement method based on granular computing

An underwater image and granular computing technology, which is applied in image enhancement, calculation, image analysis, etc., can solve problems such as uneven illumination and false contours affecting image recognition, and achieve uneven illumination, clear and complete texture and detail information, The effect of protecting integrity

Active Publication Date: 2018-06-08
HOHAI UNIV CHANGZHOU
View PDF2 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to remove uneven illumination and noise in underwater images, and provide an underwater image enhancement system and enhancement method based on granular computing, which realize

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Underwater-image enhancement system and enhancement method based on granular computing
  • Underwater-image enhancement system and enhancement method based on granular computing
  • Underwater-image enhancement system and enhancement method based on granular computing

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0043] The present invention will now be described in further detail with reference to the drawings. These drawings are simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, and therefore only show the configuration related to the present invention.

[0044] figure 1 It is a structural diagram of the underwater image enhancement system of the present invention, an underwater image enhancement system based on granular computing, including an underwater image acquisition module, an illumination information acquisition module, a granularity division module, an illumination compensation module, a noise suppression module, and an image output module .

[0045] For underwater images with uneven illumination, the image illuminance information is such as image 3 Shown. The light intensity attenuates from the center point to the surroundings: the light intensity is the brightest in the center, and the image brightness g...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an underwater-image enhancement system and enhancement method based on granular computing. Underwater illumination unevenness and noises are removed on the basis of a calculation method of non-uniform granularity, and image enhancement is realized while completeness of texture details is protected. According to the method, firstly, illuminance information of an underwater image is extracted; the illumination information is subdivided step by step according to granularity layers from coarseness to fineness, and the image is divided into a set formed by a series of particles of different sizes and illumination intensities; and a most-suitable brightness particle is positioned, and illuminance compensation is respectively carried out according to a brightness situationof each particle to obtain an underwater image of which the illumination unevenness is removed; and then noise removal is respectively carried out on each particle to realize image enhancement. According to the method, self-adaptive analysis can be carried out according to image characteristics without the need for prior illumination knowledge and manual parameter adjustment, and texture and detail information of the enhanced underwater image is clear and complete.

Description

technical field [0001] The invention relates to pattern recognition and machine vision, especially in the field of underwater image enhancement, in particular to an underwater image enhancement system and enhancement method based on granular computing. Background technique [0002] The safety detection of underwater parts of structures such as dams and bridges is of great significance to the safe operation of structures and hazard assessment. The information of the underwater part of the structure is often analyzed and processed after the image is collected by the underwater optical camera. In the underwater environment, due to the lack of a good light source, the effective visual range of the underwater environment is greatly reduced, resulting in affected image quality. If an auxiliary light source is used to complete image acquisition, the absorption and scattering of light by soluble organic matter in the water body and the occlusion of light by suspended matter will ca...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G06T5/00G06T5/10G06T5/50
CPCG06T5/002G06T5/10G06T5/50G06T2207/10024G06T2207/20221
Inventor 谢迎娟范新南张学武陈俊风张卓史朋飞马金祥
Owner HOHAI UNIV CHANGZHOU
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap