Visualization method capable of sparsely representing hyperspectral image
A hyperspectral image, sparse representation technology, applied in the visualization field of hyperspectral image sparse representation, can solve the problems of unintuitiveness, low information utilization, too many pixels, etc. Effect
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[0028] The present invention will be described in more detail below in conjunction with the accompanying drawings.
[0029] First, the color label of the dictionary atom is selected so that it satisfies the distance-preserving characteristics and has better separability; then use the selected dictionary atom color to mix the colors according to the sparse coefficient of each pixel to generate a mixed color image; then use the single The pixel mixed array method (SINGLE-PIXEL MIXED ARRAY, SPMA) and the slice texture method (ORIENTED SLIVER TEXTURES, OST) display the detail map of each pixel coefficient; finally, the multi-layer visualization method is used to complete the display of the final image.
[0030] 1) Sparse representation of hyperspectral images
[0031] As a hyperspectral visualization method based on sparse representation results, the present invention has no special restrictions on the sparse representation algorithm, and the constraint that "the sum of coefficien...
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