中文说明：数据隐藏将数据不知不觉地嵌入到
English Description：
Data hiding imperceptibly embeds data into a cover media so that messages can be delivered secretly. Digital images are often used as carriers to deliver such messages. A cover image is an image that is used to carry data, and a stego-image is the image that carried data. Embedding distortion occurs when data are embedded into a cover image. Many approaches to information hiding have been proposed for different attributes, such as capacity, imperceptibility, undetectability, robustness, and reversibility. These attributes are used for various applications, such as secret communication, copyright protection, tampering detection, and other human-centered approaches. Although traditional data hiding techniques have been able to make secret data im