Image compression operator based on discrete cosine transform was brought up. A securer scrambling locational operator was put forward based on the concept of anti-tamper radius. The basic idea of the algorithm is that it first combined image block compressed data with eigenvalue of image block and its offset block, then scrambled or encrypted and embeded them into least significant bit of corr...

The influence of electron beam lithography parameters (such as energy, resist thickness, the exposure dose) on sidewall shape (profile) was studied for PMMA (polymethyl-methacrylate) positive resist. profile tone investigated depending varying doses thicknesses 600 and 1300 nm, energy 30 keV. Simulation results based measurements along depth are presented discussed. obtained contribute to knowl...

We present a “mix-and-match” process to create large structures with submicrometer features by combining UV contact lithography and 100 kV electron-beam in single layer of negative-tone resist: Micro-Resist-Technology ma-N1405. The resist is successfully applied for the fabrication an on-chip terahertz spectrometer, where design requires 450 nm wide lines 300 trenches 150 thick niobium-titanium...

Traditional image steganography modifies the content of the image more or less, it is hard to resist the detection of image steganalysis tools. To address this problem, a novel method named generative coverless information hiding method based on generative adversarial networks is proposed in this paper. The main idea of the method is that the class label of generative adversarial networks is re...

Aiming at the problems of weak acidity medium weathered igneous rock around Nairobi, Kenya, poor adhesion with asphalt and water stability binder, article studied use anti-stripping agent, cement, hydrated Lime other technical measures to improve binder rock. The results showed that 48h Marshall residual benchmark without any was 78.5%, which did not meet standard requirements. can be significa...