Nagappan Krishnaraj

Dr. Nagappan Krishnaraj

orcid

Research Focus & Metrics

Academic Career Length

17Years (2010-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 March 2011 in Applied Soft Computing
Verified
Journal Article
Closed access
MKM. Karnan
M. Karnan
MAM. Akila
M. Akila
NKNagappan Krishnaraj
Nagappan Krishnaraj

8 June 2020 in Journal of Ambient Intelligence and Humanized Computing
Verified
Journal Article
Closed access
PDF file
JJJ. Jayanthi
J. Jayanthi
ELE. Laxmi Lydia
E. Laxmi Lydia
NKNagappan Krishnaraj
Nagappan Krishnaraj
TJT. Jayasankar
T. Jayasankar
RBR. Lenin Babu
R. Lenin Babu
RSR. Adaline Suji
R. Adaline Suji

31 January 2022 in Computational Intelligence and Neuroscience
Verified
Journal Article
Open access
PDF file
NKNagappan Krishnaraj
Nagappan Krishnaraj
BSB. Sivakumar
B. Sivakumar
RKRAMYA K
RAMYA K
Yuvaraja TEEKARAMANYuvaraja TEEKARAMAN
Yuvaraja TEEKARAMAN
ATAmruth Ramesh Thelkar
Amruth Ramesh Thelkar
Due to the exponential growth of high-quality fake photos on social media and the Internet, it is critical to develop robust forgery detection tools. Traditional picture- and video-editing techniques include copying areas of the image, referred to as the copy-move approach. The standard image processing methods physically search for patterns relevant to the duplicated material, restricting the usage in enormous data categorization. On the contrary, while deep learning (DL) models have exhibited improved performance, they have significant generalization concerns because of their high reliance on training datasets and the requirement for good hyperparameter selection. With this in mind, this article provides an automated deep learning-based fusion model for detecting and localizing copy-move forgeries (DLFM-CMDFC). The proposed DLFM-CMDFC technique combines models of generative adversarial networks (GANs) and densely connected networks (DenseNets). The two outputs are combined in the DLFM-CMDFC technique to create a layer for encoding the input vectors with the initial layer of an extreme learning machine (ELM) classifier. Additionally, the ELM model’s weight and bias values are optimally adjusted using the artificial fish swarm algorithm (AFSA). The networks’ outputs are supplied into the merger unit as input. Finally, a faked image is used to identify the difference between the input and target areas. Two benchmark datasets are used to validate the proposed model’s performance. The experimental results established the proposed model’s superiority over recently developed approaches.

17 January 2022 in The Journal of Supercomputing
Verified
Journal Article
Closed access
PDF file
MNM. V. S. S. Nagendranth
M. V. S. S. Nagendranth
RKRajesh Khanna
Rajesh Khanna
NKNagappan Krishnaraj
Nagappan Krishnaraj
MSMOHAMED YACIN SIKKANDAR
MOHAMED YACIN SIKKANDAR
MAMohamed Abdelkader Aboamer
Mohamed Abdelkader Aboamer
SRSURENDRAN Rajendran
SURENDRAN Rajendran

2 March 2023
Verified
Book Chapter
Closed access
PDF file
PNPRASATH NITHIYANANDAM
PRASATH NITHIYANANDAM
SJSreemathy Jayaprakash
Sreemathy Jayaprakash
NKNagappan Krishnaraj
Nagappan Krishnaraj
VPVigneshwaran Pandi
Vigneshwaran Pandi

1 December 2010
Verified
Conference Paper
Closed access
MKMarcus Karnan
Marcus Karnan
NKNagappan Krishnaraj
Nagappan Krishnaraj
The objective of the paper is to provide how a biopassword is using keystroke dynamics technology to deliver security for mobile devices to monitor and authenticate users. Mobile devices have outgrown their initial use for telephony and now have added functionality such web browsing and m-commerce. Depending on the specific area of usage of the device, the importance and hence the sensitivity of the data stored in it changes. As a result, there is a need to secure the data and to protect the devices from loss or theft. The users of these mobile devices have authentication method of PIN i.e. (Personal Identification Numbers). But, with the problems associated with using PIN is Easy to Crack password's, Sharing the passwords, using the same password for different devices, the need for using sophisticated methods allowing only the legitimate users the access to data and identifying and preventing imposters manifolds many times as the mobility of the computing devices changes. In this paper we examine an emerging biometric technique that aims to identify users based on analyzing habitual rhythm patterns in the way they type.