Storage and processing of document images based on sparsematrices are discussed.
讨论基于稀疏矩阵的文档图像存储及处理方法。
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Matrices are related to efficiency of quadratic sieve to factor RSA modulus, runtime of the algorithm can be decreased by reduction of the large sparsematrices.
However, the performance of LDPC code depends on the girth of its bipartite graph, that is it depends on its sparse parity-check matrices H, especially the complexity of encoding with H.