Multi-feature fusion based color image retrieval method for HSV space image retrieval
A multi-feature fusion, color image technology, applied in the field of image processing, can solve the problems of difficult to accurately describe keywords, low retrieval efficiency, time-consuming and labor-consuming, etc., to avoid manual labeling process, improve retrieval efficiency, and enhance practicability. Effect
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[0035] A kind of color image retrieval method based on the HSV space image retrieval of multi-feature fusion, it is characterized in that carrying out according to following steps:
[0036] Step 1: Convert the color image from RGB space to HSV space to obtain three components of H, S, and V;
[0037] The details are as follows: Assume and represent the image respectively three components, and represent images respectively Three components, the conversion formula from RGB space to HSV space is:
[0038] .
[0039] Using the three grayscale images obtained in HSV space to approximately reconstruct the color image; carry out the stability and correctness test of the three dimensions of the image in HSV space.
[0040] Step 2: Use the non-subsampled Shearlet shear wave to decompose the three components of H, S, and V to obtain subbands of different scales and directions; the details are as follows:
[0041] Step 21: Determine the decomposition coefficient of the no...
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