In the dissertation, we study two technologies of image processing based on frequency domain. The one is on digital watermarking, the other is on image compressing.
本论文主要研究了基于变换域上的两个图像处理技术，即数字水印技术和图像压缩技术。
An adaptive image transform coding method for compressing the bandwidth of the digital image signal is described.
本文介绍了一种自适应图象变换编码方法来压缩数字图象信号的带宽。
Discuss digital image processing, necessary of video compressing and principle of video compressing.
论述了数字图像处理的方法，以及视频压缩的必要性，压缩原理等。
We constructed a RS-485 bus based digital video monitor system with a DSP based video-image compressing card, a RS-485 serial communication card and the monitor software pack for the master computer.
我们采用基于DSP的视频图像压缩卡、RS- 485通信卡和上位机监控软件包构建了基于RS - 485总线的数字视频监控系统。
Some of the current digital image processing systems are based on embedded computer, some are based on FPGA, some are based on application specific compressing chip, and some are based on DSP.
当前数字视频图像采集系统的实现方式有的基于嵌入式工控机，有的基于FPGA，还有的基于DSP。
Some of the current digital image processing systems are based on embedded computer, some are based on FPGA, some are based on application specific compressing chip, and some are based on DSP.
当前数字视频图像采集系统的实现方式有的基于嵌入式工控机，有的基于FPGA，还有的基于DSP。
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