Results 41 to 50 of about 31,892 (221)
Joint Lossless Image Compression and Encryption Scheme Based on CALIC and Hyperchaotic System
Entropy, 2021 For efficiency and security of image transmission and storage, the joint image compression and encryption method that performs compression and encryption in a single step is a promising solution due to better security.
Miao Zhang +3 more
doaj +1 more source
Coherent Absorption Reveals Colors Hidden in a Grey Fabry–Pérot Cavity
Advanced Optical Materials, EarlyView.A dielectric thin film shows colors depending on its thickness; this effect can be used to encode information normally accessible through single‐beam spectroscopy. We developed a method to conceal this kind of information, based on coating the dielectric with a matched conductor, that suppresses the color‐bearing thin‐film resonances.
Giuseppe E. Lio +10 more
wiley +1 more source
On Predictive-Based Lossless Compression of Images with Higher Bit Depths [PDF]
Telfor Journal, 2012 Due to the rapidly increasing requirements for data transmission and storage, applications for fast and efficient compression of data have a very important role. Lossless compression must be applied when data acquisition is expensive.
A. Avramović, G. Banjac
doaj
Kinerja dan Performa Algoritma Kompressi Lossless Terhadap Objek Citra Digital [PDF]
, 2010 Kompresi pada citra digital berfungsi untuk memampatkan data agar dapat menghemat tempat penyimpanan dengan atau tanpa mengurangi kualitas dari citra.
Widodo, Suryarini
core
Physical Origin of Temperature Induced Activation Energy Switching in Electrically Conductive Cement
Advanced Science, EarlyView.The temperature‐induced Arrhenius activation energy switching phenomenon of electrical conduction in electrically conductive cement originates from structural degradation within the biphasic ionic‐electronic conduction architecture and shows percolation‐governed characteristics: pore network opening dominates the low‐percolation regime with downward ...
Jiacheng Zhang +7 more
wiley +1 more source
Semi-analytic models for the characterization of microstrips [PDF]
, 2006 Aim of this thesis is that to furnish some methodologies for the accurate evaluation of the electromagnetic characteristics of a microstrip. This results particularly useful for the extraction of equivalent circuital parameters, needed from circuit ...
Assante, Dario
core +1 more source
A polynomial approach to the realization of J-lossless behaviors
, 2010 We consider the problem of realizing lossless behaviours with respect to the supply rate equal to the scalar product of the input and of the derivative of the output variables.
Rao, Shodhan +2 more
core +1 more source
Nigerian Journal of Technological Development, 2016 Data compression is the process of reducing the size of a file to effectively reduce storage space and communication cost. The evolvement in technology and digital age has led to an unparalleled usage of digital files in this current decade.
N. A. Azeez, A. A. Lasisi
doaj
Advanced Science, EarlyView.Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel +3 more
wiley +1 more source
Advanced Science, EarlyView.Pattern‐dependent etching is converted into a physical prior for intelligent reconstruction of high‐aspect‐ratio silicon structures. Combining YOLO‐Pose feature extraction with a topography network, the framework retrieves depth, sidewall angle, and scallop texture from minimal destructive observations, enabling accurate cross‐scale metrology and near ...
Shuyan He +4 more
wiley +1 more source