activity
20042017
most citedAll-Dielectric Metasurfaces Based on Cross-Shaped Resonators for Color Pixels with Extended Gamut

155 citations · 413 across the 10 of their papers we have counts for

collaborators

10 papers

physics.optics2017

The Fano Signature in the Optical Response of a Waveguide-excited Compound Plasmonic Nanoantenna

Hardik Vyas, Ravi Hegde

While long-range propagating plasmons have been extensively investigated for implementing on-chip optical sensing platforms, waveguide-excited localized surface plasmon resonance (…

physics.app-ph2017

Rapid Design of Wide-Area Heterogeneous Electromagnetic Metasurfaces beyond the Unit-Cell Approximation

Krupali D. Donda, Ravi S. Hegde

We propose a novel numerical approach for the optimal design of wide-area heterogeneous electromagnetic metasurfaces beyond the conventionally used unit-cell approximation. The pro…

cs.CV2017★ 10 cited

Dataset Augmentation with Synthetic Images Improves Semantic Segmentation

Manik Goyal, Param Rajpura, Hristo Bojinov +1

Although Deep Convolutional Neural Networks trained with strong pixel-level annotations have significantly pushed the performance in semantic segmentation, annotation efforts requi…

cs.CV2017★ 3 cited

GPGPU Acceleration of the KAZE Image Feature Extraction Algorithm

Ramkumar B, R. S. Hegde, Rob Laber +1

The recently proposed open-source KAZE image feature detection and description algorithm offers unprecedented performance in comparison to conventional ones like SIFT and SURF as i…

cs.CV2017★ 44 cited

Object Detection Using Deep CNNs Trained on Synthetic Images

Param S. Rajpura, Hristo Bojinov, Ravi S. Hegde

The need for large annotated image datasets for training Convolutional Neural Networks (CNNs) has been a significant impediment for their adoption in computer vision applications.…

physics.optics2017

High-transmissivity Silicon Visible-wavelength Metasurface Designs based on Truncated-cone Nanoantennae

Krupali D. Donda, Ravi S. Hegde

High-transmissivity all-dielectric metasurfaces have recently attracted attention towards the realization of ultra-compact optical devices and systems. Silicon based metasurfaces,…