| 摘要 |
When performing bit detection on a 2 dimensional recording, for instance a broad spiral, the detection of the bit rows of the broad spiral becomes very complex. In order to reduce this complexity the detection is performed on subsets of adjacent rows. Together detection of all the subsets result in a detection that covers the width of the broad spiral. Instead of performing the detection sequentially with a single detector, multiple detectors are used where each detector uses side information as obtained from the adjacent detector. The side information improves the reliability of the detection and links the detection of the subsets to arrive at the detection over the full width of the broad spiral.
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