Considering the character of human visual system (HVS) and the actual demand in information protection,this paper describes a method to embed a digital watermark into a digital image in the spatial domain.是什么意思_Considering the character of human visual system (HVS) and the actual demand in information protection,this paper describes a method to embed a digital watermark into a digital image in the spatial domain.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句