Information processing method and device

The embodiment of the invention provides an information processing method and device. The method comprises the steps that a to-be-hidden watermark image and an original image used for hiding the watermark image are acquired; determining a first coefficient corresponding to the original image according to a first energy matrix formed by the brightness values of the pixel points in the original image; wherein the first coefficient is used for representing the main body approximate energy and/or detail energy of the original image; determining a second coefficient corresponding to the watermark image according to a second energy matrix formed by the brightness values of the pixel points in the watermark image; the second coefficient is used for representing the main body approximate energy of the watermark image; adjusting the first coefficient according to the second coefficient to obtain an adjusted first coefficient; and according to the adjusted first coefficient, reconstructing to obtain a carrier image emb