Image Processing: Analysis and Machine Vision
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Cites methods from "Image Processing: Analysis and Mach..."
...These simple global descriptors usually can only discriminate shapes with large di erences, therefore, they are usually used as 1lters to eliminate false hits or combined with other shape descriptors to discriminate shapes....
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...Therefore, the feature vector [ 1; : : : ; m; != √ B]T is used as the shape descriptor....
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Cites background or methods from "Image Processing: Analysis and Mach..."
...Its computational complexity is of the order O(dN log 2 (dN)) for a data matrix of size d × N [27]....
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...The median is not affected by individual noise spikes and so median filtering eliminates impulse noise quite well [27]....
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...DCT can be performed by simple matrix operations [23, 27]: an image is transformed to the DCT space and dimensionality reduction is done in the inverse transform by discarding the transform coefficients corresponding to the highest frequencies....
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