Forward-looking sonar target detection marking method capable of simultaneously marking shadows
A technology of target detection and marking method, which is applied to the forward-looking sonar target detection and marking of shadows at the same time, and marks the target field of forward-looking sonar images, which can solve the problems of inability to distinguish shadow outlines, inability to present shadows, and unobvious target shadows
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] combine Figure 1 to Figure 4 , the invention belongs to the field of forward-looking sonar image target detection, be specifically related to a kind of forward-looking sonar target marking method of marking shadow, the invention comprises the following steps:
[0033] Step 1. On the polar coordinate system sonar image, use a bounding box parallel to the coordinate axis of the image coordinate system to mark the target;
[0034] Step 2. Mark the position of the target using the normal target detection marker box, and then use the two height values to locate the position of the shadow bounding box.
[0035] In step 1, the polar coordinate system forward-looking sonar image is marked for the main reasons: 1. The polar coordinate system sonar image obtained from the sonar can be directly input into the neural network, unlike th...
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