In this paper, we propose a novel perceptual image hashing scheme based on block truncation coding (BTC). In the proposed scheme, the pre-processing is first applied on …
Z Tang, Z Huang, X Zhang, H Lao - Signal processing, 2017 - Elsevier
Multidimensional scaling (MDS) is an efficient technique for data analysis, and has been successfully applied in data visualization, object retrieval, data clustering, and so on …
The heterogeneity-gap between different modalities brings a significant challenge to multimedia information retrieval. Some studies formalize the cross-modal retrieval tasks as a …
In recent years, learning-based image hashing techniques have elicited wide interest among researchers because they can be applied in high-dimensional data such as videos …
Y Fang, B Li, X Li, Y Ren - Knowledge-Based Systems, 2021 - Elsevier
To date, large amounts of discriminative semantics-preserving discrete hash models are enjoying great popularity in cross-modal hashing community. Most of them, however, distill …
Y Xie, X Zeng, T Wang, Y Yi - Information Sciences, 2022 - Elsevier
The batch-based hash learning paradigm for uni-modal or cross-modal retrieval has made great progress in recent decades. However, methods that are based on this paradigm …
Z Li, H Lu, H Fu, G Gu - Information Sciences, 2023 - Elsevier
Cross-modal retrieval aims to narrow the heterogeneity gap between different modalities, such as retrieving images through texts or vice versa. One of the key challenges of cross …
Z Ji, Y Yu, Y Pang, J Guo, Z Zhang - Information Sciences, 2017 - Elsevier
Abstract Zero-Shot Learning (ZSL) aims at classifying previously unseen class samples and has gained its popularity in applications where samples of some categories are scarce for …
Perceptual image hashing and digital watermarking are two of the extensively investigated techniques for content authentication and copyright verification of digital images …