Raman spectrum image demixing method based on nonnegative matrix approximation
A technology of Raman spectroscopy and non-negative matrix, which is applied in the field of image processing and can solve problems such as unsatisfactory assumptions
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Embodiment 1
[0032] Based on the rank 1-NMU algorithm, the invention proposes a non-negative matrix proximity algorithm for sparse graph relations.
[0033] The basic rank 1-NMU algorithm can be formulated as an optimization problem as shown in the following formula:
[0034] f ( u , v ) = Σ u ≥ 0 , v ≥ 0 min | | M - uv T | | F 2 , such that uv T ≤ M
[0035] in: is the F norm. matrix is the image data matrix, matrix u and matrix v are row vectors with length m and length n...
Embodiment 2
[0065] Below we take the structural components of the tea plant cell wall as an example to describe the specific implementation of the method proposed by the present invention.
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