Cross-modal retrieval algorithm based on text concept extension
A retrieval algorithm and cross-modal technology, applied in the field of cross-modal retrieval, can solve problems such as the imbalance between the amount of video information and text information, and the reduction of retrieval performance.
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[0037] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.
[0038] see Figure 1 to Figure 5 , the present invention provides a cross-modal retrieval algorithm based on text concept expansion, comprising the following steps:
[0039] S1 preprocesses the video to obtain the video embedding feature representation;
[0040] The specific way is:
[0041] S11 extracts key frames from the video according to the preset frame rate to obtain video frames;
[0042] S12 utilizes the residual (ResNet) network to extract the feature of the described video ...
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