Underwater motion biological recognition and evaluation method based on multi-beam image sonar
The invention relates to the field of underwater organism monitoring and evaluation, in particular to an underwater motion organism recognition and evaluation method based on multi-beam image sonar. Comprising the following steps: S1, calibrating sonar data; s2, establishing a biological population...
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| creator | CHEN PING YUAN SHIPENG WANG YIFAN TANG XUEDA ZONG YANMEI |
| description | The invention relates to the field of underwater organism monitoring and evaluation, in particular to an underwater motion organism recognition and evaluation method based on multi-beam image sonar. Comprising the following steps: S1, calibrating sonar data; s2, establishing a biological population acoustic standard library; s3, preprocessing a sonar image; s4, underwater moving target detection based on a Gaussian mixture model; s5, performing biological recognition and biomass evaluation; the method comprises the following steps: calibrating multi-beam sonar original data, and establishing a biological population acoustic intensity standard model library in combination with experimental data of biological populations with different densities; then applying the Gaussian mixture model to sonar image background modeling to realize underwater moving target detection and calculate the average acoustic intensity of the moving target; and finally, matching the detected moving target intensity with the biological p |
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| title | Underwater motion biological recognition and evaluation method based on multi-beam image sonar |
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