Information obtaining method and apparatus

This invention describes a method for an electronic device to find related information by scanning a 2D barcode. It works by taking the original barcode, performing a specific image modification on it (such as inverting its colors or rotating it), to create a "virtual" barcode. If this modified barcode is recognized as valid in a database, the device can then retrieve associated information, potentially another 2D barcode, that is linked to the original.

Why it matters: The widespread adoption of high-resolution smartphone cameras and robust cloud infrastructure since 2013 makes real-time 2D barcode transformation and linked information retrieval significantly more practical.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateSoftware logic, image processing, database.

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