SOFP: Capturing subtle facial dynamics with symmetric optical flow perception for micro-expression recognition

Key Points

• Micro-expression recognition accuracy improved significantly with the use of symmetric optical flow methods.
• The system achieved a notable accuracy of 85% in recognizing subtle facial movements.
• Assessment using symmetric optical flow techniques enhances the detection of micro-expressions in facial analysis.
• The findings highlight the effectiveness of optical flow in understanding human emotions, encouraging future applications.