A method is provided for decoding an image of a pattern associated with an object to determine a digital identifier and to obtain data. The method comprises receiving a image of a pattern associated with the object. The pattern comprises a sub-image and a data tag. The image comprising a plurality of pixels. The method further comprises associating a first sub-set of the pixels with the sub-image and a second sub-set of the pixels with the data tag, determining a digital identifier of the sub-image based on the first sub-set of the pixels, and determining a tag value of the data tag based on the second sub-set of the pixels.