51 research outputs found
Optimization of rootkit revealing system resources – A game theoretic approach
No full textMalicious rootkit is a collection of programs designed with the intent of infecting and monitoring the victim computer without the user’s permission. After the victim has been compromised, the remote attacker can easily cause further damage. In order to infect, compromise and monitor, rootkits adopt Native Application Programming Interface (API) hooking technique. To reveal the hidden rootkits, current rootkit detection techniques check different data structures which hold reference to Native APIs. To verify these data structures, a large amount of system resources are required. This is because of the number of APIs in these data structures being quite large. Game theoretic approach is a useful mathematical tool to simulate network attacks. In this paper, a mathematical model is framed to optimize resource consumption using game-theory. To the best of our knowledge, this is the first work to be proposed for optimizing resource consumption while revealing rootkit presence using game theory. Non-cooperative game model is taken to discuss the problem. Analysis and simulation results show that our game theoretic model can effectively reduce the resource consumption by selectively monitoring the number of APIs in windows platform
Uniform accelerated motions
No full textAn Affine matrix which maps an initial and final pose can be computed by solving a system of linear equations.
Then there exists an interesting problem of finding a time varying affinity which maps the given set of poses
and if it exists is always unique and should hold some interesting properites such as affine-invariant, reversible,
preserve rigidity, similarities and volume. The Steady Affine Motions and Morphs (SAM) introduced by Jarek
Rossignac and Alvar Vinacua solved this problem of time varying affinity and defines the quality of such affinity
by the term steadiness. Until SAM, no mathematical definition of steadiness was available and intuitively SAM
defined a steady animation to be continuous, to vary dimensions and angles monotonically and rather uniformly,
and to move points along pleasing arcs that are free of unnecessary kinks or loops. The authors defined the term
”Steady” as a constant velocity motion in the local moving frame. SAM creates pleasing in-betweening motions
that interpolates between an initial and final pose, B and C and the derived equation of beauty was At B with
A = C B·-1. SAM is affine-invariant, reversible, preserves isometries (i.e., rigidity), similarities and volume.
Previously proposed approaches came up with a solution for the time varying affinity problem, but there was no
proper definition of how beautiful or how good the motion was. With the advent of SAM, the beauty of a motion
can now be measured by the unsteadiness and Steady Affine motions and morphs is the one solution which comes
to have a value of zero for the unsteadiness term.
Uniform Accelerated Motions (UAM) carries forward the above definition of steadiness into a constant acceleration
motion in the local moving frame. The time varying affinity At is computed using closed form expressions
and some of its interesting properties are studied. The constant acceleration motion (in local frame) in UAM is
then compared with the constant velocity motion (in local frame) of SAM and the resuls are discussed
EFFECT OF DIFFERENT LEVELS OF SOLUBLE FERTILIZERS ON NUTRIENT UPTAKE IN SOLANUM MELONGENA L.
Get PDFField investigation was carried out to study the influence of quality parameters and nutrient uptake of brinjal hybrids due to application of various levels of water soluble fertilizer. Foliar spray of NPK (19:19:19) at 0.5 per cent and 1% along with 100 and 75% recommended dose of NPK (200:150:100 kg ha-1) with 5 and 7 sprays, each starting from 30 DAT at 10 d interval, formed twenty treatments in two hybrids. Results showed that among the two different concentrations of foliar applied nutrients, 7 sprays of 1% NPK (19:19:19) along with 100 per cent recommended dose of fertilizer (200:150:100 kg ha-1) recorded the ascorbic acid content, total soluble solids (TSS) and total phenol content. Uptake of major nutrients was found to be the highest due to foliar application of 1 per cent water soluble fertilizer (7 sprays) along with 100 per cent recommended dose of fertilizer.</jats:p
Effect of combined application of inorganic and water soluble fertilizers on growth parameters of chilli hybrid (Capsicum annuum L.)
No full text
Yield and yield parameters as influenced by various sources of water soluble fertilizers on chilli hybrid (Capsicum annuum L.)
No full textUniform accelerated motions
No full textAn Affine matrix which maps an initial and final pose can be computed by solving a system of linear equations.
Then there exists an interesting problem of finding a time varying affinity which maps the given set of poses
and if it exists is always unique and should hold some interesting properites such as affine-invariant, reversible,
preserve rigidity, similarities and volume. The Steady Affine Motions and Morphs (SAM) introduced by Jarek
Rossignac and Alvar Vinacua solved this problem of time varying affinity and defines the quality of such affinity
by the term steadiness. Until SAM, no mathematical definition of steadiness was available and intuitively SAM
defined a steady animation to be continuous, to vary dimensions and angles monotonically and rather uniformly,
and to move points along pleasing arcs that are free of unnecessary kinks or loops. The authors defined the term
”Steady” as a constant velocity motion in the local moving frame. SAM creates pleasing in-betweening motions
that interpolates between an initial and final pose, B and C and the derived equation of beauty was At B with
A = C B·-1. SAM is affine-invariant, reversible, preserves isometries (i.e., rigidity), similarities and volume.
Previously proposed approaches came up with a solution for the time varying affinity problem, but there was no
proper definition of how beautiful or how good the motion was. With the advent of SAM, the beauty of a motion
can now be measured by the unsteadiness and Steady Affine motions and morphs is the one solution which comes
to have a value of zero for the unsteadiness term.
Uniform Accelerated Motions (UAM) carries forward the above definition of steadiness into a constant acceleration
motion in the local moving frame. The time varying affinity At is computed using closed form expressions
and some of its interesting properties are studied. The constant acceleration motion (in local frame) in UAM is
then compared with the constant velocity motion (in local frame) of SAM and the resuls are discussed
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