METHOD AND DEVICE FOR COMPRESSING LOCAL FEATURE DESCRIPTOR, AND STORAGE MEDIUM
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Mar 13, 2015
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Mar 13, 2014
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A method for compressing a local feature descriptor includes that: at least one local feature descriptor of a target image is selected; and multi-stage vector quantization is carried out on the selected at least one local feature descriptor according to a pre-set code book, and the local feature descriptor is quantized as a feature code stream, wherein the feature code stream includes serial numbers of code words obtained by means of the multi-stage vector quantization. A device for compressing a local feature descriptor and a storage medium are also provided.
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