Stepped mean filtering method aimed at imaging data of multibeam forward-looking sonars
A technology of imaging data and forward-looking sonar, which is applied in the field of image processing, can solve problems such as poor denoising effect of multi-beam forward-looking sonar images, and achieve the goals of avoiding poor effect, better denoising effect, and improving effect Effect
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[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0034] The flow chart of denoising sonar images by adopting the step-shaped mean filtering method for multi-beam forward-looking sonar imaging data of the present invention is as follows: figure 1 As shown, the processing steps are as follows:
[0035] (1) Collect the imaging data of the single-frame sonar image generated by the multi-beam forward-looking sonar system after underwater scanning.
[0036](2) Take the number of sonar beams as the column and the number of echo points on a single sonar beam as the row to generate an empty matrix, and place the imaging data obtained in step (1) in the matrix correspondingly, each The matrix element stores an imaging data corresponding to a sonar echo point.
[0037] (3) In view of the traditional mean filtering idea, a ladder-shaped mask model is established according to the characteristics of multi-beam forward-...
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