METHOD AND APPARATUS FOR EXTRACTING MULTI-MODAL POI FEATURE

WIPO Patent Application WO/2022/198854

A1

A method and apparatus for extracting a multi-modal POI feature, which relate to big data technology in the field of artificial intelligence. The method comprises: extracting a visual feature representation of a POI from an image of the POI by using an image feature extraction model; extracting a semantic feature representation from text information of the POI by using a text feature extraction model; extracting a spatial feature representation from spatial position information of the POI by using a spatial feature extraction model; and fusing the visual feature representation, the semantic feature representation and the spatial feature representation of the POI, so as to obtain a multi-modal feature representation of the POI. By means of the method, a feature vector representation that fuses multiple modalities is extracted for each POI, thereby providing a basis for subsequent calculation of the similarity between POIs.

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FAN MIAO (CN)
HUANG JIZHOU (CN)
WANG HAIFENG (CN)

PCT/CN2021/107383

September 29, 2022

July 20, 2021

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BEIJING BAIDU NETCOM SCI & TECH CO LTD (CN)

G06F16/9535; G06F16/29; G06F16/9537

CN113032672A	2021-06-25
CN112101165A	2020-12-18
CN112200317A	2021-01-08
CN109472232A	2019-03-15

BEIJING WISPRO INTELLECTUAL PROPERTY LLP. (CN)

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