Image marking method based on semi-supervised subject modeling
A topic modeling and image labeling technology, applied in the field of semi-supervised learning, can solve problems such as difficult possibility modeling
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[0023] Referring to the attached picture:
[0024] A semi-supervised method for image annotation based on topic modeling, the method includes the following steps:
[0025] 1. Obtain images from the Internet, including images with text annotations and unlabeled images;
[0026] 2. Using a model similar to probabilistic latent semantic analysis, the connection between the visual features and text annotations of all images is modeled through latent topics. The modeling process is carried out as follows: for each image i, First use the vector F i Indicates the visual features of the image, the vector W i to represent the image text annotation, where F i ={f 1 ,..., f n}, where f u Indicates the number of times the u-th visual feature word appears in the i-th picture; W i ={w 1 ,…,w n}, where w v Indicates the number of times the v-th text annotation word appears in the i-th picture.
[0027] and assume f i (where i=1,...,n) obey multinomial distribution w i (where i...
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