activity
20192023
most citedRobust mutual synchronization in long spin Hall nano-oscillator chains

37 citations · 137 across the 20 of their papers we have counts for

collaborators

24 papers

cs.AR2023★ 8 cited

AxOMaP: Designing FPGA-based Approximate Arithmetic Operators using Mathematical Programming

Siva Satyendra Sahoo, Salim Ullah, Akash Kumar

With the increasing application of machine learning (ML) algorithms in embedded systems, there is a rising necessity to design low-cost computer arithmetic for these resource-const…

cs.AR2023★ 6 cited

AxOCS: Scaling FPGA-based Approximate Operators using Configuration Supersampling

Siva Satyendra Sahoo, Salim Ullah, Soumyo Bhattacharjee +1

The rising usage of AI and ML-based processing across application domains has exacerbated the need for low-cost ML implementation, specifically for resource-constrained embedded sy…

cs.LG2023★ 1 cited

Temporal Patience: Efficient Adaptive Deep Learning for Embedded Radar Data Processing

Max Sponner, Julius Ott, Lorenzo Servadei +3

Radar sensors offer power-efficient solutions for always-on smart devices, but processing the data streams on resource-constrained embedded platforms remains challenging. This pape…

cond-mat.mtrl-sci2023★ 18 cited

Magnetic Proximity induced efficient charge-to-spin conversion in large area PtSe/NiFe heterostructures

Richa Mudgal, Alka Jakhar, Pankhuri Gupta +11

As a topological Dirac semimetal with controllable spin-orbit coupling and conductivity, PtSe, a transition-metal dichalcogenide, is a promising material for several applicatio…

cs.CV2023★ 4 cited

A Large-Scale Analysis on Self-Supervised Video Representation Learning

Akash Kumar, Ashlesha Kumar, Vibhav Vineet +1

Self-supervised learning is an effective way for label-free model pre-training, especially in the video domain where labeling is expensive. Existing self-supervised works in the vi…

cond-mat.mes-hall2023

Ultra-low current 10 nm spin Hall nano-oscillators

Nilamani Behera, Avinash Kumar Chaurasiya, Victor H. González +6

Nano-constriction based spin Hall nano-oscillators (SHNOs) are at the forefront of spintronics research for emerging technological applications such as oscillator-based neuromorphi…

cond-mat.mes-hall2023★ 9 cited

Phase noise analysis of mutually synchronized spin Hall nano-oscillators

Artem Litvinenko, Akash Kumar, Mona Rajabali +3

The reduction of phase noise in electronic systems is of utmost importance in modern communication and signal processing applications and requires an understanding of the underlyin…

cond-mat.mes-hall2023★ 37 cited

Robust mutual synchronization in long spin Hall nano-oscillator chains

Akash Kumar, Himanshu Fulara, Roman Khymyn +7

Mutual synchronization of N serially connected spintronic nano-oscillators increases their coherence by a factor and their output power by . Increasing the number of mutua…

cs.LG2022

Combining Gradients and Probabilities for Heterogeneous Approximation of Neural Networks

Elias Trommer, Bernd Waschneck, Akash Kumar

This work explores the search for heterogeneous approximate multiplier configurations for neural networks that produce high accuracy and low energy consumption. We discuss the vali…

math.CO2022

Bounding the List Color Function Threshold from Above

Hemanshu Kaul, Akash Kumar, Andrew Liu +5

The chromatic polynomial of a graph , denoted , is equal to the number of proper -colorings of for each . In 1990, Kostochka and Sidorenko intro…

cs.DS2022

Approximating Dasgupta Cost in Sublinear Time from a Few Random Seeds

Michael Kapralov, Akash Kumar, Silvio Lattanzi +2

Testing graph cluster structure has been a central object of study in property testing since the foundational work of Goldreich and Ron [STOC'96] on expansion testing, i.e. the pro…

cs.DS2022

Exact recovery algorithm for Planted Bipartite Graph in Semi-random Graphs

Akash Kumar, Anand Louis, Rameesh Paul

The problem of finding the largest induced balanced bipartite subgraph in a given graph is NP-hard. This problem is closely related to the problem of finding the smallest Odd Cycle…

cs.CV2022

Video Action Detection: Analysing Limitations and Challenges

Rajat Modi, Aayush Jung Rana, Akash Kumar +4

Beyond possessing large enough size to feed data hungry machines (eg, transformers), what attributes measure the quality of a dataset? Assuming that the definitions of such attribu…

cs.CV2022★ 2 cited

End-to-End Semi-Supervised Learning for Video Action Detection

Akash Kumar, Yogesh Singh Rawat

In this work, we focus on semi-supervised learning for video action detection which utilizes both labeled as well as unlabeled data. We propose a simple end-to-end consistency base…

math.CO2022

On the List Color Function Threshold

Hemanshu Kaul, Akash Kumar, Jeffrey A. Mudrock +3

The chromatic polynomial of a graph , denoted , is equal to the number of proper -colorings of . The list color function of graph , denoted , is…

cs.LG2020

Logic Synthesis Meets Machine Learning: Trading Exactness for Generalization

Shubham Rai, Walter Lau Neto, Yukio Miyasaka +37

Logic synthesis is a fundamental step in hardware design whose goal is to find structural representations of Boolean functions while minimizing delay and area. If the function is c…

cs.AR2020★ 17 cited

SIMDive: Approximate SIMD Soft Multiplier-Divider for FPGAs with Tunable Accuracy

Zahra Ebrahimi, Salim Ullah, Akash Kumar

The ever-increasing quest for data-level parallelism and variable precision in ubiquitous multimedia and Deep Neural Network (DNN) applications has motivated the use of Single Inst…

cs.AR2020★ 32 cited

ExPAN(N)D: Exploring Posits for Efficient Artificial Neural Network Design in FPGA-based Systems

Suresh Nambi, Salim Ullah, Aditya Lohana +3

The recent advances in machine learning, in general, and Artificial Neural Networks (ANN), in particular, has made smart embedded systems an attractive option for a larger number o…

cs.DC2020★ 2 cited

ParaLarH: Parallel FPGA Router based upon Lagrange Heuristics

Rohit Agrawal, Kapil Ahuja, Dhaarna Maheshwari +1

Routing of the nets in Field Programmable Gate Array (FPGA) design flow is one of the most time consuming steps. Although Versatile Place and Route (VPR), which is a commonly used…

cs.DS2020

Deletion to Induced Matching

Akash Kumar, Mithilesh Kumar

In the DELETION TO INDUCED MATCHING problem, we are given a graph on vertices, edges and a non-negative integer and asks whether there exists a set of vertices $S \…

cs.CR2020

SeqL: Secure Scan-Locking for IP Protection

Seetal Potluri, Aydin Aysu, Akash Kumar

Existing logic-locking attacks are known to successfully decrypt functionally correct key of a locked combinational circuit. It is possible to extend these attacks to real-world Si…

cs.CV2020

Detecting Deepfakes with Metric Learning

Akash Kumar, Arnav Bhavsar

With the arrival of several face-swapping applications such as FaceApp, SnapChat, MixBooth, FaceBlender and many more, the authenticity of digital media content is hanging on a ver…

cs.CV2020

Syn2Real: Forgery Classification via Unsupervised Domain Adaptation

Akash Kumar, Arnav Bhavasar

In recent years, image manipulation is becoming increasingly more accessible, yielding more natural-looking images, owing to the modern tools in image processing and computer visio…

cs.CV2019★ 1 cited

Copy-Move Forgery Classification via Unsupervised Domain Adaptation

Akash Kumar, Arnav Bhavsar

In the current era, image manipulation is becoming increasingly easier, yielding more natural looking images, owing to the modern tools in image processing and computer vision tech…