Zobrazeno 1 - 10
of 11
pro vyhledávání: '"R. Vijaykumar"'
Autor:
V. Suresh Babu, V. R. Vijaykumar
Publikováno v:
2017 Third International Conference on Biosignals, Images and Instrumentation (ICBSII).
This paper presents an improved reversible data hiding algorithm using digital images based on the histogram shifting technique. Proposed method can accurately recover the original image and extract the hidden data accurately. The highest two peak va
Publikováno v:
2016 IEEE Industrial Electronics and Applications Conference (IEACon).
In any wireless communication system, it is the need of the hour that the sender and the receiver should prove their genuineness. In any portable security systems based on RFIDs, a process called mutual authentication need to be performed before the
Autor:
M R Vijaykumar
Publikováno v:
2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015].
RVJCS is an implementation of security based on the combinations of existing cryptographic algorithms asynchronously using time based one-time password without a definite state. This paper depicts a new approach of encrypting the data in web. It show
Publikováno v:
2012 Third International Conference on Computing, Communication and Networking Technologies (ICCCNT'12).
In wireless communication, the channel is characterized by multipath propagation due to scattering by different obstacles. Multiple Input Multiple Output (MIMO) channels which consider this multipath propagation offers significant increase in data th
Publikováno v:
2012 4th International Conference on Intelligent and Advanced Systems (ICIAS2012).
In this paper, dual tree complex wavelet transform (DTCWT) based speckle reduction algorithm is proposed for despeckling SAR images. Here considering the dependency of the wavelet coefficients across the same scale and also different scales. The DTCW
Autor:
P. Jothibasu, V. R. Vijaykumar
Publikováno v:
ICIP
In this paper, a novel decision based adaptive median filter to remove blotches, scratches, streaks, stripes and random valued impulse noise in images is presented. The proposed method is a two stage algorithm. In the first stage the noise candidates
Publikováno v:
2008 9th International Conference on Signal Processing.
In this paper, a new nonlinear filter called detail preserving median based filter for removing salt and pepper noise and random valued impulse noise with edge and detail preservation is presented. The proposed method first detects the impulse pixel
Publikováno v:
2008 International Conference on Signal Processing, Communications and Networking.
In this paper a new algorithm is proposed to remove Gaussian noise with edge preservation. The function of the proposed algorithm is to first find the pixel values along the boundary of the filtering window and then calculate its variance. If this va
Publikováno v:
International Conference on Computational Intelligence and Multimedia Applications (ICCIMA 2007).
In this paper a new efficient algorithm for the removal of Gaussian noise in gray scale and color images using adaptive window is presented. The function of the algorithm is to replace each corrupted pixel by a mean value of the pixels inside an adap
Publikováno v:
2007 International Conference on Intelligent and Advanced Systems.
In this paper a new efficient algorithm to remove scratches, stripes and blotches with impulse noise in still images using robust estimation based filter is proposed. A new attempt is made to remove scratches, stripes and blotches that are artificial