Systems and methods for pattern stitching and decoding using multiple captured images

摘要

Systems and methods read machine readable symbols, the systems and methods capture multiple images of the symbol and can locate symbol data region(s) from an image even when the symbol data is corrupted and not decodable. Binary matrices are generated of the symbol data regions obtained from the multiple images and can be accumulated to generate a decodable image. A correspondence can be established among multiple images acquired on the same symbol when the symbol has moved from one image to the next.

主权项

1. A system for decoding a symbol using images of the symbol, the system comprising:
an imaging device, the imaging device to acquire a first image and a second image, the first image including a first symbol data region, and the second image including a second symbol data region; and a processor, the processor operatively coupled to the imaging device, the processor to execute a data stitching algorithm, wherein the data stitching algorithm generates a synthetic model of the symbol, the synthetic model being a model of a plurality of known features of a particular symbol, the data stitching algorithm correlates the synthetic model of the symbol with at least one of the first image and the second image, the data stitching algorithm further converts the first symbol data region into a first binary matrix and the second symbol data region into a second binary matrix, the data stitching algorithm accumulating the first binary matrix with the second binary matrix to generate an accumulative binary matrix, the accumulative binary matrix being a decodable representation of the symbol.