KCG College of Technology

About: KCG College of Technology is a based out in . It is known for research contribution in the topics: Computer science & The Internet. The organization has 427 authors who have published 381 publications receiving 2193 citations.

Fuzzy logic for e-mail spam deduction

Abstract: In this Information era, most of the communication is happening through e-mails. Many emails contain web spam, as the transaction through this internet is affected by Passive attacks and Active attacks. Recently, several algorithms are developed partially for detecting spam emails. Therefore there is a need for improving the performance of the spam-detecting algorithm. In this proposed work fuzzy rules are defined and applied to all incoming emails. Based on the result of the various rules against user attitude, input email is classified as spam or ham. This method outperforms the existing spam-detecting algorithms in terms of accuracy and user friendly.

Synthesis, Characterisation, and Antimicrobial Efficacy of Acid Fuchsin Schiff Base-Modified Silver Nanoparticles

Abstract: In the current work, silver nanoparticles (AgNPs) were green synthesized using starch and modified with anionic dye (acid fuchsin) and aldehyde (salicylaldehyde and cinnamaldehyde). Thus in situ formation of Schiff base stabilized AgNPs were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM) and transmission electron microscope (TEM) analysis. The size and the stability of the Schiff base modified AgNPs were explored using DLS and Zeta potential analysis. TEM analyses showed the size of the Schiff base (cinnamaldehyde) modified AgNPs with an average particle size of 5–10 nm. The synthesized Schiff base modified AgNPs were tested for their antibacterial efficacy against gram-negative bacteria such as Escherichia coli (MTCC733), Pseudomonas aeruginosa (MTCC1688) and gram-positive bacteria such as Bacillus subtilis (MTCC41) and Enterococcus faecalis (MTCC96). The antifungal activity of the synthesized materials has been studied against Candida albicans along with standard fluconazole. Higher antibacterial and antifungal activities were observed for the Schiff base (SB) capped AgNPs due to the combined effect of SB and AgNPs. The mechanism of the bactericidal activity of nanoparticles is suggested as due to the interaction of AgNPs with the cell membrane. The results of the present study confirm that SB stabilized AgNPs have significant potential as an antimicrobial agent in treating infectious diseases.

Efficient hardware implementation of scalable FFT using configurable Radix-4/2

Abstract: This paper demonstrates the FPGA implementation of FFT algorithm that is precisely designed to induce an efficient implementation of the parameters involving area and performance by configuring the size of FFT input points which is well suited for wireless and signal processing applications. An optimized architecture is demonstrated in this paper for computing FFT of length 8/16/32/64/128/512 and 1024 using Radix-4/Radix 2∗2 FFT in FPGA and is compared with Xilinx LogiCore™ FFT IP with configurable point size. It is found that proposed design is more efficient and effective in terms of area and performance while achieving the input system configurability. A novel Address Generator architecture has been proposed which facilitates for Complex Math Processor (CMP). This single generator helps in effectively carrying out the address mapping scheme. The occurrence of hardware overheads is minimized by using the multiplexor for complex arithmetic's. The entire RTL design is described using Verilog HDL and simulated using Xilinx ISim. This experimental result is tested on Spartan-6 XC6SLX4, which is the smallest device on Spartan 6 family and found that Xilinx FFT IP core over maps the available DSP48 slices. The result shows 538 LUT's, 847 Flip Flops, 3 DSP Slices, Maximum Frequency of 217 MHz. This is about 60% improvement in resource usage and 14% upgrade in the performance thus creating a low cost Configurable FFT Processor.