BEV visual angle 3D target detection method and device based on target perception feature distillation

The invention relates to an image processing technology, and discloses a BEV visual angle 3D target detection method based on target perception feature distillation, and the method comprises the steps: obtaining a multi-view image, and carrying out the image feature extraction, and obtaining a teacher image feature and a student image feature; identifying key feature points in the teacher image features and the student image features by using a target perception feature distillation algorithm; initializing a teacher query vector of the target detection teacher model, and optimizing the teacher query vector to generate a teacher prediction result; and initializing a student query vector of the target detection student model, optimizing the student query vector by adopting a query vector prior distribution distillation algorithm to generate a student prediction result, and optimizing the student prediction result by adopting a Hungary algorithm and a teacher prediction result to obtain a prediction target of th