Method and device for panoramic image processing

The present disclosure provides a method for providing an indication about a distance between a retail unit and an electronic device, comprising: acquiring from an image sensor in a retail establishment, at least one image of a product on a store shelf; accessing in a memory that stores a plurality of templates associated with a plurality of differing products, a template associated with the product on the store shelf in the at least one acquired image; comparing at least one dimension associated with the product in the at least one acquired image with at least one dimension associated with the accessed template; based on the comparison, determining whether a distance between the image sensor and the product on the store shelf is within an acceptable range for additional image processing; and providing a notification to a user of the electronic device to adjust the distance between the image sensor and the product on the shelf when the product is outside of the acceptable range.