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What does this picture represent?

2022-08-06 17:27:38Alibaba Cloud Q&A

What does this picture represent?image.png




Accepted answer 1:

This image shows an example of local feature encoding.The Vlad vector of the picture on the left is the row above.The Vlad vector of the picture on the right is the row below.There are changes in the two pictures, such as distance and size.The vectors of their two VLADs are very close.The representation is represented by a fixed length to prepare for the subsequent image processing and realize retrieval.


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