Search Results for author: Fazle Karim

Found 8 papers, 4 papers with code

Improving Time Series Classification Algorithms Using Octave-Convolutional Layers

no code implementations28 Sep 2021 Samuel Harford, Fazle Karim, Houshang Darabi

In this paper, we experimentally show that by substituting convolutions with OctConv, we significantly improve accuracy for time series classification tasks for most of the benchmark datasets.

Classification Time Series +2

Self-supervision for health insurance claims data: a Covid-19 use case

no code implementations19 Jul 2021 Emilia Apostolova, Fazle Karim, Guido Muscioni, Anubhav Rana, Jeffrey Clyman

In this work, we modify and apply self-supervision techniques to the domain of medical health insurance claims.

Adversarial Attacks on Multivariate Time Series

no code implementations31 Mar 2020 Samuel Harford, Fazle Karim, Houshang Darabi

Classification models for the multivariate time series have gained significant importance in the research community, but not much research has been done on generating adversarial samples for these models.

Classification Dynamic Time Warping +4

Insights into LSTM Fully Convolutional Networks for Time Series Classification

4 code implementations27 Feb 2019 Fazle Karim, Somshubra Majumdar, Houshang Darabi

In this paper, we perform a series of ablation tests (3627 experiments) on LSTM-FCN and ALSTM-FCN to provide a better understanding of the model and each of its sub-module.

Classification General Classification +3

Adversarial Attacks on Time Series

2 code implementations27 Feb 2019 Fazle Karim, Somshubra Majumdar, Houshang Darabi

In this paper, we propose utilizing an adversarial transformation network (ATN) on a distilled model to attack various time series classification models.

Classification Dynamic Time Warping +4

LSTM Fully Convolutional Networks for Time Series Classification

9 code implementations8 Sep 2017 Fazle Karim, Somshubra Majumdar, Houshang Darabi, Shun Chen

We propose the augmentation of fully convolutional networks with long short term memory recurrent neural network (LSTM RNN) sub-modules for time series classification.

General Classification Outlier Detection +3

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