Image compression sampling method and assembly

    公开(公告)号:US11936869B2

    公开(公告)日:2024-03-19

    申请号:US18246470

    申请日:2021-07-30

    Abstract: An image compression sampling method and assembly are provided. The method includes: performing sparse representation on a target image by using an initial sparse matrix, quantifying an initial sparse representation result to obtain an optimized sparse representation result, and obtaining an optimized sparse matrix; constructing a product matrix by using the optimized sparse matrix and an initial measurement matrix, and adjusting absolute values of off-diagonal elements in the product matrix to be less than a correlation threshold; performing singular value decomposition on the product matrix to obtain a diagonal matrix and a left singular matrix, and updating the diagonal matrix according to a quantity of samplings of the initial measurement matrix; and optimizing the initial measurement matrix by using the left singular matrix and the updated diagonal matrix to obtain an optimized measurement matrix, and collecting image data by using the optimized sparse matrix and the optimized measurement matrix.

    Sequence Alignment Method and System

    公开(公告)号:US20220238186A1

    公开(公告)日:2022-07-28

    申请号:US17615580

    申请日:2019-10-31

    Abstract: Provided are a sequence alignment method and system. The method comprises: searching for candidate alignment locations of all seeds in a sequence to be aligned, and after performing normalization processing on the candidate alignment locations of all seeds, acquiring the longest seeds of various types in a bitmap mode; and then filtering out all seeds covered by the longest seeds, so that the number of candidate comparison locations needing to be aligned subsequently is reduced. Therefore, the workload of subsequent alignment work is greatly reduced, the sequence alignment speed is increased, and meanwhile, the alignment precision is guaranteed.

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