Two-dimensional image identification method for automatic identification of aquaculture net cage

The invention discloses a two-dimensional image identification method for automatic identification of an aquaculture net cage, and the method comprises the following steps: S1, dividing a two-dimensional image space into X * Y parts at equal intervals in the X and Y directions under a rectangular coordinate system, forming X * Y color blocks, and determining the color value ranges of the color blocks; S2, dividing all color blocks into three types of functional regions, wherein the first region is used for positioning and correcting a two-dimensional image; encoding the machine identificationinformation in the second area; coding machine identification information and printing human eye identification characters in the third area at the same time; S3, determining the color definition of each color block in the first area; determining a coding rule and a color definition of each color block in the second region; determining a coding rule and color definition of each color block in thethird area; and S4, identi