High-dimensional feature processing method and device
A processing method and a technology of a processing device, which are applied in special data processing applications, electrical digital data processing, character and pattern recognition, etc., can solve problems such as failure to achieve a high recall rate, and reduce computing costs and time. Easy to scale and expand, improve the effect of recall rate
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[0044] like figure 1 As shown, the processing method of the high-dimensional features of the present application, an implementation thereof, comprises the following steps:
[0045] Step 102: Select sample features, perform rough quantization on the sample features, and generate multiple cluster centers. The sample features in this application refer to high-dimensional features as samples.
[0046] Step 104: Add the high-dimensional features to be inserted into the corresponding HNSW (Hierarchcal Navigable Small World graphs) clusters according to the principle of the closest distance.
[0047] Step 106: Calculate the distance between the target feature and the cluster center, perform HNSW algorithm retrieval in the preset number of clusters closest to the sorting distance, and return the retrieval result. The target features in this application refer to the high-dimensional features to be retrieved.
[0048] HNSW is an optimized version of NSW (Navigable Small World graphs,...
Embodiment 2
[0065] like Image 6 As shown, the high-dimensional feature processing device 600 of the present application, an implementation manner thereof, may include a rough quantization module 610 , a clustering module 620 and a retrieval module 630 .
[0066] The coarse quantization module 610 is used to select sample features, perform rough quantization on sample features, and generate multiple cluster centers;
[0067] The clustering module 620 is used to add the high-dimensional features to the corresponding HNSW clusters according to the principle of the closest distance;
[0068] The retrieval module 630 is used to calculate the distance between the target feature and the cluster center, perform retrieval among the preset number of clusters closest to the sorting distance, and return the retrieval result.
[0069] like Figure 7 As shown, another embodiment of the high-dimensional feature processing device 700 of the present application may include a coarse quantization module,...
Embodiment 3
[0079] An embodiment of the high-dimensional feature processing device of the present application includes a memory and a processor.
[0080] memory for storing programs;
[0081] The processor is configured to implement the method in Embodiment 1 by executing the program stored in the memory.
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