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Facial Micro-Expression Recognition is a challenging task in identifying suppressed emotion in a high-stake environment, often comes in very brief duration and subtle changes.

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Latest papers without code

A comparative study on movement feature in different directions for micro-expression recognition

16 Feb 2021

In this paper, HSDG in every direction is concatenated with LBP-TOP to obtain the LBP with Single Direction Gradient (LBP-SDG) and analyze which direction of movement feature is more discriminative for micro-expression recognition.

MICRO-EXPRESSION RECOGNITION

Feature refinement: An expression-specific feature learning and fusion method for micro-expression recognition

13 Jan 2021

It aims to obtain salient and discriminative features for specific expressions and also predict expression by fusing the expression-specific features.

MICRO-EXPRESSION RECOGNITION OPTICAL FLOW ESTIMATION

Objective Class-based Micro-Expression Recognition through Simultaneous Action Unit Detection and Feature Aggregation

24 Dec 2020

In this paper, we propose a novel deep neural network model for objective class-based MER, which simultaneously detects AUs and aggregates AU-level features into micro-expression-level representation through Graph Convolutional Networks (GCN).

ACTION UNIT DETECTION MICRO-EXPRESSION RECOGNITION

An Overview of Facial Micro-Expression Analysis: Data, Methodology and Challenge

21 Dec 2020

Facial micro-expressions indicate brief and subtle facial movements that appear during emotional communication.

MICRO-EXPRESSION RECOGNITION MICRO-EXPRESSION SPOTTING SYNTHETIC DATA GENERATION

MERANet: Facial Micro-Expression Recognition using 3D Residual Attention Network

7 Dec 2020

We propose a facial micro-expression recognition model using 3D residual attention network called MERANet.

MICRO-EXPRESSION RECOGNITION

A Multi-stream Convolutional Neural Network for Micro-expression Recognition Using Optical Flow and EVM

7 Nov 2020

On the other hand, some methods based on deep learning also cannot get high accuracy due to problems such as the imbalance of databases.

MICRO-EXPRESSION RECOGNITION OPTICAL FLOW ESTIMATION

SMA-STN: Segmented Movement-Attending Spatiotemporal Network forMicro-Expression Recognition

19 Oct 2020

Correctly perceiving micro-expression is difficult since micro-expression is an involuntary, repressed, and subtle facial expression, and efficiently revealing the subtle movement changes and capturing the significant segments in a micro-expression sequence is the key to micro-expression recognition (MER).

MICRO-EXPRESSION RECOGNITION

Revealing the Invisible with Model and Data Shrinking for Composite-database Micro-expression Recognition

17 Jun 2020

In this paper, we analyze the influence of learning complexity, including the input complexity and model complexity, and discover that the lower-resolution input data and shallower-architecture model are helpful to ease the degradation of deep models in composite-database task.

MICRO-EXPRESSION RECOGNITION NEURAL ARCHITECTURE SEARCH

Non-Linearities Improve OrigiNet based on Active Imaging for Micro Expression Recognition

16 May 2020

However, existing networks fail to establish a relationship between spatial features of facial appearance and temporal variations of facial dynamics.

MICRO-EXPRESSION RECOGNITION

Mean Oriented Riesz Features for Micro Expression Classification

13 May 2020

Micro-expressions are brief and subtle facial expressions that go on and off the face in a fraction of a second.

MICRO-EXPRESSION RECOGNITION OPTICAL FLOW ESTIMATION