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Approximate search with quantized sparse representations

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Academic year: 2021

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Figure

Fig. 1: Accuracy of structured encoding, with and without coefficients.
Fig. 2: Impact of 1-byte α quantization on performance. Recall@R curves for Qα-RVQ, α-RVQ and RVQ (resp
Fig. 4: Performance comparison for Euclidean-aNN. Recall@R curves on SIFT1M and GIST1M, comparing proposed methods to PQ, RVQ and to some of their extensions, CKM [3], ERVQ [4], AQ [21] and CQ [8].
Fig. 5: Large scale performance with IVF. Recall@R on the BIGANN 1B- 1B-SIFT dataset and 10K queries
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