MODEL-BASED RESIDUAL CORRECTION OF INTENSITIES

    公开(公告)号:US20200010888A1

    公开(公告)日:2020-01-09

    申请号:US16355607

    申请日:2019-03-15

    Abstract: A method for improving color calls or base calls utilizes current and prior cycle multi-channel intensity data from a sequencing run to model residual cycle buildup. The model is applied to correct the multi-cycle channel intensity for the current cycle. The corrected multi-cycle channel intensity is used for color calls or base calls for the current cycle.

    METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR IMPROVING BASE CALLING ACCURACY

    公开(公告)号:US20220367005A1

    公开(公告)日:2022-11-17

    申请号:US17805147

    申请日:2022-06-02

    Abstract: A method includes exposing template polynucleotide strands, sequencing primers, and polymerase to flows of nucleotide species; obtaining a series of measured intensity values and randomly selecting a training subset therefrom; generating series of base calls using a base caller and aligning the series of base calls to a reference genome or sequence using an aligner; determining intensity value thresholds and parameters of a linear transformation corresponding to different homopolymer lengths and nucleotide species; generating series of base calls corresponding to the series of measured intensity values using at least some of the parameters of a linear transformation; and recalibrating the series of base calls corresponding to the plurality of series of measured intensity values using at least some of the intensity value thresholds.

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