Sharif Digital Repository

Towards blind detection of low-rate spatial embedding in image steganalysis

Author

Farhat, F.

Publisher

Institution of Engineering and Technology,

Pub. Year

2015

Subjects

Image analysis. / Mean square error. / Adaptive embedding. / Detection accuracy. / Features extraction. / Image steganalysis. / Least significant bits. / Low resolution images. / Mean squared error. / Statistical features. / Steganography.

Fabrication of Al matrix composite reinforced with Fe-Cu particles using friction stir processing

Author

Farhat, P.

Pub. Year

2024

Subjects

Friction stir processing (FSP) / Aluminum alloys. / Aluminum compounds. / Binary alloys. / Copper compounds. / Dispersions. / Energy dispersive spectroscopy. / Energy dispersive X ray analysis. / Fabrication. / Friction. / Friction stir welding. / Grain size and shape. / Intermetallics. / Matrix algebra. / Particle size analysis. / Powders. / Reinforcement. / Scanning electron microscopy. / Tensile strength. / Tensile testing. / X ray diffraction analysis. / Al composites. / Aluminum composites. / Cu powders. / Fe powder. / In situ al composite. / Matrix. / Mechanical behavior. / Small grain size. / Microstructure.

Fabrication of low friction bronze-graphite nano-composite coatings

Author

Nickchi, T.

Pub. Year

2011

Subjects

Experimental conditions. / Graphite coatings. / Graphite content. / Graphite particles. / Low friction. / Nano-composite coating. / Nano-graphite. / Particle dispersion. / Poly[vinyl pyrrolidone]. / Pulsed-current electrodeposition. / Wear behaviors. / Bronze. / Dispersions. / Electroplating solutions. / Graphite. / Nanocomposites. / Wear resistance. / Composite coatings.

Elasto-plastic finite element simulation of asymmetrical plate rolling using an ALE approach

Author

Farhat-Nia, F.

Pub. Year

2006

Subjects

Computer simulation. / Friction. / Strain hardening. / Elastoplasticity. / Lagrange multipliers. / Numerical methods. / Rolling. / Isotropic work hardening materials. / Plate metal. / Finite element method. / ALE finite element. / Arbitrary Lagrangian Eulerian. / Asymmetrical rolling. / Eulerian. / Finite element simulations. / Interface friction. / Isotropic work-hardening. / Lagrangian.

Multi-dimensional correlation steganalysis

Author

Farhat, F.

Pub. Year

2011

Subjects

Clouds Min Sum. / Embedding Rate Estimation. / Local Entropies Sum. / LSB Embedding Steganalysis. / Multidimensional Correlation. / Analytical method. / Detection accuracy. / Embedding rates. / Image pixels. / Local entropy. / LSB embedding. / LSB matching. / LSB replacement. / LSB steganalysis. / Min-sum. / Pixel distribution. / Relative location. / Spatial analysis. / Statistical characteristics. / Statistical features. / Steganalysis. / Stego image. / Clouds. / Entropy. / Multimedia signal processing. / Signal detection. / Steganography. / Pixels.

Locally multipath adaptive routing protocol resilient to selfishness and wormholes

Author

Farhat, F.

Pub. Year

2010

Subjects

Ad-hoc wireless networks security. / Efficient local-multipath adaptive routing protocol. / Ad hoc wireless networks. / Adaptive routing. / Adaptive routing protocols. / Distance vector routing protocols. / Malicious nodes. / Multi-path. / Multipath routing protocols. / Network graph. / On-demand distance vector routing. / Polynomial-time. / Primary path. / Random search algorithm. / Resilience to selfishness and wormholes. / Route discovery. / Searching algorithms. / Security features. / Selfish node. / Single path. / Ad hoc networks. / Algorithms. / Polynomial approximation. / Routers. / Routing protocols. / Security systems. / Network security.