METHODS AND ARRANGEMENTS FOR IDENTIFYING OBJECTS

摘要

In some arrangements, product packaging is digitally watermarked over most of its extent to facilitate high-throughput item identification at retail checkouts. Imagery of such packaging is analyzed to detect digital watermarking. One claim recites a method utilized at a retail checkout location comprising: receiving imagery representing a packaged item from a digital camera, the packaged item including digital watermarking hidden on its packaging, the packaged item moving relative to the digital camera; determining a region in the imagery corresponding to at least one relatively faster moving object; arranging watermark detection blocks over the determine region; an detecting the digital watermarking from the watermark detection blocks. Of course other claims and combinations are also provided.

主权项

1. A method comprising:
receiving imagery representing a retail packaged item from a digital camera, the retail packaged item including digital watermarking hidden therein; using one or more programmed electronic processors, analyzing the imagery to detect the digital watermarking; generating a graphic overlay including information obtained from the detected digital watermarking, the graphic overlay including a barcode or overt 2D symbology; integrating the graphic overlay onto the received imagery to yield modified imagery; communicating the modified imagery to a barcode reader or overt 2D symbology reader.