|
|
|
|
|
Hanmeng Wu, Jun Wang, Ziyi Zhang, Xudong Chen and Zheng Zhu
A multi-image encryption with super-large-capacity is proposed by using spherical diffraction and filtering diffusion. In the proposed method, initial images are processed sequentially by filtering diffusion and chaos scrambling. The images are combined ...
ver más
|
|
|
|
|
|
|
|
|
Zhixin Li, Desheng Wen, Zongxi Song, Tuochi Jiang, Weikang Zhang, Gang Liu and Xin Wei
Space target surveillance is a significant part of space defense, and is also important for maintaining national security. Imaging of the space targets is the direct method used to realize space target recognition. However, for long-range space targets, ...
ver más
|
|
|
|
|
|
|
|
|
Yi-Peng Wei, Batuhan Arasli, Karim Banawan and Sennur Ulukus
We consider the private information retrieval (PIR) problem from decentralized uncoded caching databases. There are two phases in our problem setting, a caching phase, and a retrieval phase. In the caching phase, a data center containing all the K files,...
ver más
|
|
|
|
|
|
|
|
|
Nina Rizun, Yurii Taranenko and Wojciech Waloszek
The research presents the methodology of improving the accuracy in sentiment classification in the light of modelling the latent semantic relations (LSR). The objective of this methodology is to find ways of eliminating the limitations of the discriminan...
ver más
|
|
|
|
|
|
|
|
|
Robert A. N. de Oliveira and Methanias C. Junior
Stemming algorithms are commonly used during textual preprocessing phase in order to reduce data dimensionality. However, this reduction presents different efficacy levels depending on the domain that it is applied to. Thus, for instance, there are repor...
ver más
|
|
|
|