Patent ID: 11900637
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 3:
4. The image processing method of claim 1, wherein
determining the third decomposed sub-band information according to the first decomposed sub-band information and the second decomposed sub-band information comprises:
determining the frequency band coefficient matrix of the third decomposed sub-band information in each frequency band, as a sum of a first matrix and a second matrix, in which the first matrix is a product of a corresponding weighting coefficient with the frequency band coefficient matrix of the first decomposed sub-band information on the corresponding frequency band, and the second matrix is a product of a corresponding weighting coefficient with the frequency band coefficient matrix of the second decomposed sub-band information on the corresponding frequency band;
wherein a sum of the corresponding weighting coefficients of the first decomposed sub-band information and the second decomposed sub-band information on the same frequency band is 1, and the corresponding weighting coefficient of the second decomposed sub-band information on a set high frequency band is greater than corresponding weighting coefficients on frequency bands other than the set high frequency band.