基于深度学习的散列检索技术研究进展

大数据时代，数据呈现维度高、数据量大和增长快等特点。面对大量的复杂数据，如何高效地检索相似近邻数据是近似最近邻查询的研究热点。散列技术通过将数据映射为二进制码的方式，能够显著加快相似性计算，并在检索过程中节省存储和通信开销。近年来深度学习在提取数据特征方面表现出速度快、精度高等优异的性能，使得基于深度学习的散列检索技术得到越来越广泛的运用。总结了深度学习散列的主要方法和前沿进展，并对未来的研究方向展开简要探讨。

Research and development of hash retrieval technology based on deep learning

In the era of big data,data shows the characteristics of high dimension,large amount and rapid growth.How to efficiently retrieve similar data from a large amount of complex data is a research hotspot.By mapping data to binary codes,the hashing technique can significantly accelerate the similarity calculation and reduce storage and communication overhead during the retrieval process.In recent years,deep learning has shown excellent performance in extracting data features.Deep learning-based hash retrieval technique has the advantages of high speed and accuracy.The methods and advanced development of deep learning hashing were mainly summarized,and the future of research direction was briefly discussed.