A method performed by an apparatus of a vehicle, the method comprising:
- using a processor to:
- generate at least one or more image features from at least one or more images through an image analysis model;
- produce a reference BEV feature including reference direction information corresponding to a reference level and a BEV feature including height direction information corresponding to each level by mapping the image features and a BEV grid;
- calculate a weight based on information included in the reference BEV feature and a height BEV feature;
- and
- generate a single enhanced BEV feature by reflecting the calculated weight in the reference BEV feature and the height BEV feature.