浮水印 Invisible Watermark ; Digital Watermarking ; Full Moon Dream

数位浮水印 digital watermarking

浮雕印刷 Relief ; embossed printing

浮凸雕印 raised printing

浮水印技术 Digital Watermarking ; Watermarking

浮凸印刷 process embossing ; bas-relief printing ; die stamping

數位浮水印 Digital Watermarking

位浮水印 Stagnography ; copyright marking ; Data Hiding and Digital Watermarking