| AlignmentPattern | <p>Encapsulates an alignment pattern, which are the smaller square patterns found in all but the simplest QR Codes.</p> |
| AlignmentPatternFinder | <p>This class attempts to find alignment patterns in a QR Code. Alignment patterns look like finder patterns but are smaller and appear at regular intervals throughout the image.</p> |
| Detector | <p>Encapsulates logic that can detect a QR Code in an image, even if the QR Code is rotated or skewed, or partially obscured.</p> |
| FinderPattern | <p>Encapsulates a finder pattern, which are the three square patterns found in the corners of QR Codes. It also encapsulates a count of similar finder patterns, as a convenience to the finder's bookkeeping.</p> |
| FinderPatternFinder | <p>This class attempts to find finder patterns in a QR Code. Finder patterns are the square markers at three corners of a QR Code.</p> |
| FinderPatternInfo | <p>Encapsulates information about finder patterns in an image, including the location of the three finder patterns, and their estimated module size.</p> |