Massive face image retrieval based on depth feature clustering
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(1. Chengdu Institute of Computer Applications, Chinese Academy of Sciences, Chengdu, 610041, China; 2. University of Chinese Academy of Science, Beijing 100049, China)

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TP391.41

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    Abstract:

    A massive face image retrieval method based on depth feature clustering is proposed to overcome the long time retrieving in a huge scale face image database. Firstly, the convolutional neural network model is trained for face classification by face image training set. Based on it, the triplet loss method is used to fine-tune the model so that the network can be more efficient to extract high-level semantic features and construct a more representative depth features of face image. Secondly, the K-means clustering algorithm is used to cluster the extracted depth features, so that face images of the same person can be divided into the same cluster, and then similarity matching of face images is performed in the corresponding clusters to perform the retrieval task. In order to further improve the performance of system retrieval, the face image feature fusion query expansion method is proposed to fuse the depth features of the face image to be retrieved. Through exhaustive experimental verification on two face retrieval datasets (Celebrities Face Set and Labeled Faces in the Wild dataset), the results show that the proposed method can significantly reduce the retrieval range of massive face image database, thus effectively increasing the face image retrieval speed while ensuring similar retrieval accuracy.

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History
  • Received:March 08,2018
  • Revised:
  • Adopted:
  • Online: October 17,2018
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