# Package com.google.zxing.qrcode.detector

- Class Summary
  Class | Description
  --- | ---
  AlignmentPattern | Encapsulates an alignment pattern, which are the smaller square patterns found in all but the simplest QR Codes.
  Detector | Encapsulates logic that can detect a QR Code in an image, even if the QR Code is rotated or skewed, or partially obscured.
  FinderPattern | Encapsulates a finder pattern, which are the three square patterns found in the corners of QR Codes.
  FinderPatternFinder | This class attempts to find finder patterns in a QR Code.
  FinderPatternInfo | Encapsulates information about finder patterns in an image, including the location of the three finder patterns, and their estimated module size.

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