Search Results for author: Sharath Pankanti

Found 6 papers, 0 papers with code

Efficient Encrypted Inference on Ensembles of Decision Trees

no code implementations5 Mar 2021 Kanthi Sarpatwar, Karthik Nandakumar, Nalini Ratha, James Rayfield, Karthikeyan Shanmugam, Sharath Pankanti, Roman Vaculin

In this work, we propose a framework to transfer knowledge extracted by complex decision tree ensembles to shallow neural networks (referred to as DTNets) that are highly conducive to encrypted inference.

BIG-bench Machine Learning

Efficient CNN Building Blocks for Encrypted Data

no code implementations30 Jan 2021 Nayna Jain, Karthik Nandakumar, Nalini Ratha, Sharath Pankanti, Uttam Kumar

Using the CKKS scheme available in the open-source HElib library, we show that operational parameters of the chosen FHE scheme such as the degree of the cyclotomic polynomial, depth limitations of the underlying leveled HE scheme, and the computational precision parameters have a major impact on the design of the machine learning model (especially, the choice of the activation function and pooling method).

BIG-bench Machine Learning

P2L: Predicting Transfer Learning for Images and Semantic Relations

no code implementations20 Aug 2019 Bishwaranjan Bhattacharjee, John R. Kender, Matthew Hill, Parijat Dube, Siyu Huo, Michael R. Glass, Brian Belgodere, Sharath Pankanti, Noel Codella, Patrick Watson

We use this measure, which we call "Predict To Learn" ("P2L"), in the two very different domains of images and semantic relations, where it predicts, from a set of "source" models, the one model most likely to produce effective transfer for training a given "target" model.

Transfer Learning

Deep Learning Ensembles for Melanoma Recognition in Dermoscopy Images

no code implementations14 Oct 2016 Noel Codella, Quoc-Bao Nguyen, Sharath Pankanti, David Gutman, Brian Helba, Allan Halpern, John R. Smith

Compared to the average of 8 expert dermatologists on a subset of 100 test images, the proposed system produces a higher accuracy (76% vs. 70. 5%), and specificity (62% vs. 59%) evaluated at an equivalent sensitivity (82%).

Specificity

Temporal Sequence Modeling for Video Event Detection

no code implementations CVPR 2014 Yu Cheng, Quanfu Fan, Sharath Pankanti, Alok Choudhary

Based on this idea, we represent a video by a sequence of visual words learnt from the video, and apply the Sequence Memoizer [21] to capture long-range dependencies in a temporal context in the visual sequence.

Event Detection General Classification

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