Method for generating underwater non-shadow sonar remote sensing orthographic digital image by computer
A digital image and remote sensing image technology, applied in computing, image enhancement, image data processing, etc.
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[0078] A preferred embodiment of the present invention is described in detail with reference to the accompanying drawings as follows:
[0079] This example is a sonar remote sensing image of Qingdao Bohai Bay 2004.10.10. The shadowless sonar remote sensing orthophoto digital image is generated by a computer.
[0080] Referring to Figure 1, the computer-generated method of this underwater shadowless sonar orthographic digital image is as follows: First, establish a mathematical model of the quantitative relationship between sonar remote sensing information and underwater terrain, sonar direct sound waves and water scattered sound waves; Analysis of sonar remote sensing digital image: generate sonar direct acoustic remote sensing image and water scattered acoustic remote sensing image, calculate pixel sonar direct acoustic wave transformation coefficient, water scattered acoustic wave transformation coefficient and pixel ground radiation parameter, that is, the scattering / direct rad...
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