Vikas Kumar Sharma

Experimental investigation and TLBO-based multi-objective optimization of EDM machining of duplex stainless steel AISI 2205

BHARAT SINGH, Vikas Kumar Sharma

Abstract Duplex Stainless steel (DSS) has two phases in its structure: ferrite and austenite. The combination of these phases results in good toughness and strength, and better corrosion resistance when exposed to harsh environments. Owing to these properties, the applications of DSS …

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Optimizing Investor Confidence: Robo-Advisory Utilizing Open Interest and Options Volume for Precise Large-Cap Stock Price Predictions

Vikas Kumar Sharma, Tejinder Singh, Nitin Pathak

This study interrogates the predictive efficacy of open interest and options volume in shaping large-cap stock price trajectories, employing robo-Advisory mechanisms as analytical conduits. Anchored in the burgeoning landscape of financial technologies, the research examines how algorithmic advisory platforms synthesize derivative market …

A unified framework for underwater image enhancement via color shift estimation and correction

Sangeeta Rani, Vikas Kumar Sharma

Abstract Underwater image (UI) taken in poor lighting conditions suffers from both overexposure and underexposure issues. Current research methods mainly focus on adjusting the brightness of degraded underwater images, which can worsen color distortion in dark areas and fail to restore true …

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Signal processing for localization and sensing techniques in next-generation wireless networks

Tarun Kumar Vashishth, Vikas Kumar Sharma, Mukesh Kumar Sharma, Rajeev Sharma et autres

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A Novel Technique for the Management of Acquired External Auditory Canal Stenosis by Permeatal Approach

Vikas Kumar Sharma, L Prasanth, S. Hari Kumar, Vijay B. Krishna et autres

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Cystoid Macular Edema Secondary to Acute Retinal Necrosis: The Role of Fundus Fluorescein Angiography in Guiding Treatment

Vipin Rana, Ashish Markan, Atul Arora, Manasi Tripathi et autres

Cystoid macular edema (CME) is an uncommon but vision-threatening sequelae of acute retinal necrosis (ARN). We report a patient who developed CME following vitreoretinal surgery for ARN-associated retinal detachment. Multimodal imaging, particularly fundus fluorescein angiography (FFA), revealed diffuse capillary leakage suggestive of …

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Takayasu retinopathy unveiling underlying Takayasu arteritis: a case report

Vipin Rana, Vikas Kumar Sharma, Kunal Kishore, Eram Thakur et autres

BACKGROUND: Takayasu arteritis (TAK) is a granulomatous large-vessel vasculitis of unknown etiology that predominantly affects the aorta and its branches. Ocular involvement occurs due to ischemia from vascular stenosis or occlusion and may present as transient visual loss, Takayasu retinopathy (TR), or …

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When the Eyes Pave the Way: Takayasu Retinopathy as the First Sign of Takayasu Arteritis

Vipin Rana, Vikas Kumar Sharma, Kunal Kishore, Eram Thakur et autres

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Experimental performance investigation on a gold nanofluid laden spectral beam splitting photovoltaic /thermal system under tropical climate of India

Sanjay Kumar, Munna Kumar, Swapnil Chawrey, Manas Ranjan Samantaray et autres

In last two decades, a significant performance enhancement of nanofluid-based spectral beam splitting photovoltaic/thermal (SBS-PV/T) system has been reported. However, the studies reported so far, related to nanofluids (as spectral beam splitter) in SBS-PV/T systems, is limited to either laboratory scale experimental …

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Beyond the Usual Suspects: Unilateral Optic Disc Edema as a Rare Initial Sign of Vogt-Koyanagi-Harada Syndrome

Vipin Rana, Vikas Kumar Sharma, Kanwaljeet Singh, Amit Nandan Tripathi et autres

Objective: To report a case of unilateral optic disc edema as a rare initial presentation of Vogt-Koyanagi-Harada (VKH) syndrome and emphasize the importance of early diagnosis using advanced imaging and cerebrospinal fluid analysis. Case Presentation: We present the case of a 23-year-old …

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A hybrid OBL-NSGA-III/MOTLBO optimization approach for sustainable design of earth-air heat exchangers in building construction

Sujit Kumar Verma, Vikas Kumar Sharma

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RETRACTED: Parameters estimation of PV models using a novel hybrid equilibrium optimization algorithm

Fude Duan, Ali B.M. Ali, Dheyaa Jumaah Jasim, Alexey Yurievich Mikhaylov et autres

This study presents a novel algorithm, termed equilibrium optimizer-single candidate optimizer (EO-SCO), which combines the EO and SCO techniques. The objective of this approach is to achieve accurate and reliable parameter estimates for photovoltaic (PV) solar cells and modules. The EO-SCO, as …

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