Figure 3From: CASPER: context-aware scheme for paired-end reads from high-throughput amplicon sequencingDefinition of k -mer context C j ( i , i ′ ) . For bases X(i) and Y (i′), we consider k different (but progressively overlapping) windows along the reads and define the j-th context (for 1 ≤ j ≤ k) in terms of two subsequences of X and Y . The illustration is for k = 3 (1 ≤ j ≤ 3).Back to article page