ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,236, issued on Sept. 1.
"Low-light image enhancement method and device based on wavelet transform and Retinex-Net" was invented by Dengyin Zhang (Nanjing, China) and Yi Liu (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a low-light image enhancement method based on wavelet transform and Retinex-Net, and belongs to the field of image enhancement technology. In order to solve the problems of colour distortion and lack of details such as edges and textures when Retinex-Net processes some images, the present application adds the wavelet transform, fuses the high-frequency components with regional charact...