DVD是以数码的格式，当然，也是压缩在塑胶碟片上。
The DVD is a digital format, to be sure, but it comes in shrink-wrapped plastic.
然后，研究重点集中在数码相机处理器的三个主要功能上：结构设计，图像处理和图像压缩。
Then, the research is emphasized on the three main functions of a digital camera processor: architecture design, image processing and image compression.
根据数码相机的工作原理，提出用数码相机拍照时，自动在JPEG压缩过程中嵌入数字水印。
Based on the working principles of digital camera, we present that digital watermarking is automatically embedded in photograph when digital camera compress photograph into JPEG stored format.
应用推荐