Method for screening useful images from retrieved images
An image-in-image technology, applied in the field of information retrieval, can solve problems such as inability to correlate, affecting sorting accuracy, etc.
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[0043] Reference figure 1 , The implementation steps of the present invention are as follows:
[0044] 1. Generate a visual semantic dictionary based on the probability distribution of the word frequency feature BOW of visual bag of words and the probability distribution of semantic attributes.
[0045] Step 1: Extract 8192-dimensional visual bag-of-words word frequency features from the initial search result images in the database.
[0046] Step 2: Through offline training and learning, for 2659 basic semantic attributes, train 2659 semantic attribute classifiers. When doing image search, use these 2659 classifiers for each image to make predictions, and each image corresponds to The predicted score vector obtained from the 2659-dimensional feature is used as the attribute feature of the image, and each dimension corresponds to a specific semantic attribute.
[0047] Step 3: Use the mapping function sigmoid to map the semantic attribute features of the training image to the range of...
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