Results 51 to 60 of about 26,920 (307)

AAU-Net: Attention-Based Asymmetric U-Net for Subject-Sensitive Hashing of Remote Sensing Images

open access: yesRemote Sensing, 2021
The prerequisite for the use of remote sensing images is that their security must be guaranteed. As a special subset of perceptual hashing, subject-sensitive hashing overcomes the shortcomings of the existing perceptual hashing that cannot distinguish ...
Kaimeng Ding   +5 more
doaj   +1 more source

MESH: A Flexible Manifold-Embedded Semantic Hashing for Cross-Modal Retrieval

open access: yesIEEE Access, 2020
Hashing based methods for cross-modal retrieval has been widely explored in recent years. However, most of them mainly focus on the preservation of neighborhood relationship and label consistency, while ignore the proximity of neighbors and proximity of ...
Fangming Zhong   +3 more
doaj   +1 more source

Enhancing deep hashing with graph filters and autoencoder-based embeddings [PDF]

open access: yesPeerJ Computer Science
Deep hashing has emerged as an efficient and robust solution for image retrieval through representation learning. However, convolutional neural network (CNN)-based hashing methods are constrained by their reliance on grid structures, limiting their ...
Sooin Kim   +5 more
doaj   +2 more sources

Deep Hashing Based on Class-Discriminated Neighborhood Embedding

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Deep-hashing methods have drawn significant attention during the past years in the field of remote sensing (RS) owing to their prominent capabilities for capturing the semantics from complex RS scenes and generating the associated hash codes in an end-to-
Jian Kang   +4 more
doaj   +1 more source

RelaHash: Deep Hashing With Relative Position

open access: yesIEEE Access, 2023
Deep hashing has been widely used as a solution to encoding binary hash code for approximating nearest neighbor problem. It has been showing superior performance in terms of its ability to index high-level features by learning compact binary code.
Pham Vu Thai Minh   +4 more
doaj   +1 more source

Deep Discrete Hashing with Self-supervised Pairwise Labels

open access: yes, 2017
Hashing methods have been widely used for applications of large-scale image retrieval and classification. Non-deep hashing methods using handcrafted features have been significantly outperformed by deep hashing methods due to their better feature ...
A Andoni   +12 more
core   +1 more source

SUBIC: A supervised, structured binary code for image search [PDF]

open access: yes, 2017
For large-scale visual search, highly compressed yet meaningful representations of images are essential. Structured vector quantizers based on product quantization and its variants are usually employed to achieve such compression while minimizing the ...
Gribonval, Rémi   +3 more
core   +2 more sources

Deep Saliency Hashing

open access: yes, 2018
In recent years, hashing methods have been proved to be effective and efficient for the large-scale Web media search. However, the existing general hashing methods have limited discriminative power for describing fine-grained objects that share similar overall appearance but have subtle difference. To solve this problem, we for the first time introduce
Jin, Sheng   +5 more
openaire   +2 more sources

Enhancing Deep Hashing With GCN-Based Models for Efficient Similarity Search

open access: yesIEEE Access
Deep hashing models are employed to efficiently store and swiftly search large-scale datasets where data are high dimensional. Their optimization of the loss function and the non-differentiable sign function can lead to inadequate backpropagation ...
Sooin Kim   +4 more
doaj   +1 more source

Deep Multi-Semantic Fusion-Based Cross-Modal Hashing

open access: yesMathematics, 2022
Due to the low costs of its storage and search, the cross-modal retrieval hashing method has received much research interest in the big data era. Due to the application of deep learning, the cross-modal representation capabilities have risen markedly ...
Xinghui Zhu   +3 more
doaj   +1 more source

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