随着新的图像和视频压缩标准的施行，基于离散小波变换的数字水印技术成为研究的热点。
With the enforcement of the new compression standard of picture and video, the digital watermarking technology based on DWT are becoming the focus of the research of digital watermarking.
该系统具有视频压缩、解码、网络传输、图像储存、图像索引回放、摄像机远程控制、云台控制和音频报警等功能。
This system had functions with video compression, decode, network transmission, image store, image index playback, long-range control of vidicon, PTZ control and voice frequency alarm.
该相机提供了最高效的视频压缩功能，于此同时还能保证稳定，高质量的图像和较低的宽带利用率，这些降低了存储成本。
The cameras offer the most efficient video compression available while maintaining a smooth, high-quality image and low network bandwidth utilization for lower storage costs.
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