K. Kalimuthu's research while affiliated with SRM Institute of Science and Technology and other places
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Publications (23)
MRI plays a vital role in key medical imaging and also a key technique used for examination of brain related diseases such as tumors. In general, MRI images are complex in nature to acquire useful volumetric information, but the lack of structural information and weak boundary information make it less useful for medical measurements. The increasing...
In this article, an Ultra-Wide Band (UWB) antenna for the pipeline crack detection process is proposed. A UWB antenna has been designed with the dimension of 32 x 32 mm2 and it resonates from 3 GHz to 10.8 GHz. The designed antenna produces a peak gain of 4.36 dB. A pair of UWB antennas are employed in various pipeline scenarios and the received pu...
![Autonomous driving model [5]](publication/369092271/figure/fig1/AS:11431281169969860@1687572474823/Autonomous-driving-model-5_Q320.jpg)
Vehicles are getting equipped in technology, communication between vehicle and the user is getting better. The vehicular network is an emerging technology to provide mobile users with the flexibility to use various services such as entertainment and navigation on wheels. The users are served with data related to their travel in terms of road map, w...
Polyvinyl alcohol (PVA)-based films with varying concentrations of cellulose nano crystals (CNCs) and titanium dioxide (TiO2) have been prepared and characterised to determine their applications in the biomedical field. Biophysical, microscopic, and mechanical property characterization of the films - PVA/CNC/T0.5, PVA/CNC/T1.0, and PVA/CNC/T1.5 wer...
This paper presents Triple strip line structured monopole UWB antenna with a defective ground plane, and its characteristics are evaluated. The final structure of the radiator is obtained by fusing the triangular-shaped patch with three-strip lines. Defected rectangular-shaped ground plane at the rear plane is used to achieve wider impedance bandwi...
Today the Environment of health has established research and knowledge based on Technology-oriented wireless sensing node. Patients are confronted with the problem of unanticipated death because of the particular cause of cardiac difficulties and attacks that occur at the necessary time owing to a lack of adequate care for patients. In contemporary...
One of the biggest challenges in autonomous vehicles is processing massive data in real-time and task reliable decisions on time. In order to process data in real-time, the onboard unit is allocated with additional resources, which makes it more complex and consumes much power. To overcome this, an energy harvesting scheme (EH) along with offloadin...
The power over fiber (PoF) scheme delivers simultaneous multiband data and feed power transmission via a double-clad fiber (DCF) for bidirectional radio over fiber (RoF) system. The 5G technology demands cell splitting resulting in an increasing number of remote antenna units (RAU). The RAU is conventionally powered by public power lines. The PoF s...
Speckle Reduction Anisotropic Diffusion filter which is used to des-peckle ultrasound images, perform well at homogeneous region than in heterogeneous region resulting in loss of information available at the edges. Extended SRAD filter does the same, preserving better the edges in addition, compared to the existing SRAD filter. The proposed Extende...
Recent trends in the field of communication science show that most devices are built and governed by Visible Light Communication (VLC) and Light Emitting Diodes (LED). The communication process depends on source characteristics and bandwidth restriction, and effective methods of modulation and demodulation can enhance data rate. Attractive and prac...
A novel bidirectional RoF link with compensated SBS and RB for 60 GHz OFDM-based 16-QAM downlink and uplink vector signal generation and co-propagation over a single fiber is proposed. At the central station (CS), 60 GHz optical mm-wave is generated and modulated in the optical single-sideband modulation (OSSB) technique by the 16-QAM OFDM downlink...
The Internet of Things (IoT) healthcare has been suggested as a talented way of importantly increasing patient productivity also satisfaction. In IoT, medical instruments calculate the critical symptoms of the patients and add them onto medical databases that are processed and retrieved by healthcare personnel in the cloud. Encryption is usually us...
Air contamination is today the world’s toughest problem for the environment and public health. Air contamination has a detrimental effect on the wellbeing of humans, the atmosphere and the biodiversity. Factory air pollution continues caused by leaked toxic gases, vehicle waste and increasing accumulation of unhealthy gases and particulate matter....
A 128-element color ultrasound transducer probe (Sonoray – DS50PLUS-C352UB) compatible with any machine is analyzed. Various coating methods were discussed; the footprint is coated with TiO2 by the dip coating method, and characterization is done simultaneously. Curvilinear ultrasound transducer probe is most used to scan the abdomen part of the hu...
There are many imaging modalities for clinical diagnosis, but we heavily use ultrasound imaging; some of the ultrasound images are low resolution because of the body’s internal weakness. This paper presents a novel unsupervised super-resolution framework for ultrasound image enhancement without considering any large sets of training samples which i...
Citations
... The present developments need the use of more efficient data offloading solutions, which are becoming increasingly prevalent. Improved 5G and 6G communication systems will provide a wide range of application beneficial for users (Bhanupriya et al. 2022;Spatharakis et al. 2020). When consumers have similar interests, the role of mobile data offloading becomes increasingly substantial. ...
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... There are few studies that used ultrasound liver images [19][20][21][22]. Recent research methodologies of using ultrasound images have been presented in [23], where ultrasound images contain some speckle noise that may affect image recognition. During the image analysis, removing the speckle noise from the synthetic aperture radar (SAR) can cause a loss of information that results in incorrect disease diagnosis. ...
... As a result, DCFs are widely used in high-power doubleclad fiber lasers and amplifiers. [10][11][12] The rest of this paper demonstrates the following: The test setup for full duplex RoF transmission as well as a more-power optical light feed using the DCF" is discussed in Section 2. "The electrical transmission execution in the DCF and full duplex RoF transmission with a 12.0 W optical power light feed on the DCF" are shown in Section 3. A brief outline is described in Section 4 of the manuscript. Figures 1 and 2 show the test arrangement for a bidirectional fiber with a RoF data transmissions with a optical light feeding of utilizing a DCF and its cross section. ...
... Receiver specification[29] ...
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... Consumers expect more interactive real-time multimedia experience with faster data transmission and minimal latency from their Mobile Station, as these devices are designed to meet increasingly higher demands. (Kavitha et al., 2021). Due to the high density present in the RF frequency spectrum; it has become necessary to operate at high frequencies. ...
... These images provide necessary information for diagnosing and treating a variety of diseases. 24 The internal structure of the ultrasound transducer used for imaging consists of two major parts in it. One is the piezoelectric element made of Lead Zirconate Titanate (PZT). ...
... Super-resolution imaging based on deep learning consists of supervised and unsupervised network learning mechanism (Wang et al., 2020). Both mechanism use deep convolutional networks as their base (Fang et al., 2020;Suseela and Kalimuthu ,2021;Liu et al., 2019;Troung et al., 2019;Weiss et al., 2019). Convolutional networks are a significant component of deep networks such as Unet (Fang et al., 2020) or are used as a generative adversarial network (Liu et al., 2019). ...
... Los sistemas basados en IoT han demostrado reducir costos, consumo de energía y mejorar la red de detección, facilitando la construcción de modelos contaminantes [7]. Balarengadurai et al. [8] han introducido un sistema autónomo de control de la calidad del aire mediante sensores de bajo costo, como Arduino Uno, Raspberry Pi y el protocolo de comunicación MQTT. Este sistema ha demostrado su eficacia al recopilar datos en tiempo real de temperatura, humedad, partículas PM 2.5, monóxido de carbono y dióxido de carbono, contribuyendo así al monitoreo ambiental. ...
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