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Patent drawing for Pattern recognition process
US 6,694,054 B1
Computer vision US 6,694,054 B1 Expired

Pattern recognition process

This invention describes a method for recognizing patterns within images. It works by first detecting a pattern, then transforming it using a complex mathematical technique called a Fourier-Mellin transform to create a unique signature that remains consistent even if the pattern is rotated or scaled. This signature is then compared to known patterns to identify it. The claims specifically narrow this process to patterns that are defined as curves or surfaces.

Why it matters: In 2000, the complex mathematical transformations required for this process were computationally intensive. Today, significantly increased processing power and advanced software libraries make implementing such sophisticated pattern recognition algorithms much more efficient and accessible.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedHeavy software system, complex mathematical algorithms

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