SOTAVerified

Multivariate LSTM-FCNs for Time Series Classification

2018-01-14Code Available1· sign in to hype

Fazle Karim, Somshubra Majumdar, Houshang Darabi, Samuel Harford

Code Available — Be the first to reproduce this paper.

Reproduce

Code

Abstract

Over the past decade, multivariate time series classification has received great attention. We propose transforming the existing univariate time series classification models, the Long Short Term Memory Fully Convolutional Network (LSTM-FCN) and Attention LSTM-FCN (ALSTM-FCN), into a multivariate time series classification model by augmenting the fully convolutional block with a squeeze-and-excitation block to further improve accuracy. Our proposed models outperform most state-of-the-art models while requiring minimum preprocessing. The proposed models work efficiently on various complex multivariate time series classification tasks such as activity recognition or action recognition. Furthermore, the proposed models are highly efficient at test time and small enough to deploy on memory constrained systems.

Tasks

Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
ArabicDigitsMALSTM-FCNAccuracy0.99Unverified
AUSLANMALSTM-FCNAccuracy0.96Unverified
CharacterTrajectoriesMALSTM-FCNAccuracy1Unverified
CMUsubject16MALSTM-FCNAccuracy1Unverified
DigitShapesMALSTM-FCNAccuracy1Unverified
ECGMALSTM-FCNAccuracy0.86Unverified
JapaneseVowelsMALSTM-FCNAccuracy0.99Unverified
KickvsPunchMALSTM-FCNAccuracy1Unverified
LibrasMALSTM-FCNAccuracy0.97Unverified
LP1MALSTM-FCNAccuracy0.82Unverified
LP2MALSTM-FCNAccuracy0.77Unverified
LP3MALSTM-FCNAccuracy0.73Unverified
LP4MALSTM-FCNAccuracy0.93Unverified
LP5MALSTM-FCNAccuracy0.67Unverified
NetFlowMALSTM-FCNAccuracy0.95Unverified
pendigitsMALSTM-FCNAccuracy0.97Unverified
SHAPESMALSTM-FCNAccuracy1Unverified
UWaveMALSTM-FCNAccuracy0.98Unverified
WaferMALSTM-FCNAccuracy0.99Unverified
WalkvsRunMALSTM-FCNAccuracy1Unverified

Reproductions