Nonfrontal and Asymmetrical Facial Expression Recognition Through Half-Face Frontalization and Pyramid Fourier Frequency Conversion
Expression recognition in the wild is easily distorted BROWN CREAM by nonfrontal and asymmetry faces.In nonfrontal faces, some areas are compressed and distorted.Even after frontalization, these compressed areas may still be blurred and distort expression recognition.Additionally, asymmetrical expressions are common on half or local face areas and