73 citations · 181 across the 8 of their papers we have counts for
8 papers
Parametric Scaling of Preprocessing assisted U-net Architecture for Improvised Retinal Vessel Segmentation
Kundan Kumar, Sumanshu Agarwal
Extracting blood vessels from retinal fundus images plays a decisive role in diagnosing the progression in pertinent diseases. In medical image analysis, vessel extraction is a sem…
Application of Top-hat Transformation for Enhanced Blood Vessel Extraction
Tithi Parna Das, Sheetal Praharaj, Sarita Swain +2
In the medical domain, different computer-aided diagnosis systems have been proposed to extract blood vessels from retinal fundus images for the clinical treatment of vascular dise…
Deciphering capacitance frequency technique for performance limiting defect state parameters in energy harvesting perovskites
Vikas Nandal, Sumanshu Agarwal, Pradeep R. Nair
With emerging thin film PIN based optoelectronics devices, a significant research thrust is focused on the passivation of trap states for performance enhancement. Among various met…
Antimony Chalcogenide-based Solid State Sensitizers for Solar Cells: A Forgotten Hero or Low Potential Candidate
Sumanshu Agarwal, Harekrishna Yadav, Kundan Kumar
The use of stibnite (Sb2S3) as sensitizers in the solid-state sensitized solar cells received considerable research interest during the transition of the millennium. However, the u…
Blood Vessel Detection using Modified Multiscale MF-FDOG Filters for Diabetic Retinopathy
Debojyoti Mallick, Kundan Kumar, Sumanshu Agarwal
Blindness in diabetic patients caused by retinopathy (characterized by an increase in the diameter and new branches of the blood vessels inside the retina) is a grave concern. Many…
Performance Loss Analysis and Design Space Optimization of Perovskite Solar Cells
Sumanshu Agarwal, Pradeep R. Nair
While the performance enhancement witnessed in the field of perovskite solar cells over the recent years has been impressive, it is now evident that further optimization beyond the…
Pinhole induced efficiency variation in perovskite solar cells
Sumanshu Agarwal, Pradeep R. Nair
Process induced efficiency variation is a major concern for all thin film solar cells, including the emerging perovskite based solar cells. In this manuscript, we address the effec…
Device Engineering of Perovskite Solar Cells to Achieve Near Ideal Efficiency
Sumanshu Agarwal, Pradeep R. Nair
Despite the exciting recent research on perovskite based solar cells, the design space for further optimization and the practical limits of efficiency are not well known in the com…