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。
Low level image processing is the base of localization. The paper discusses time domain filtering and frequency domain filtering according to the noise disturbance in the surrounding images.
低层视觉图象处理是视觉定位的基础,针对环境图象存在噪声干扰的特点,文章分别从时域和频域上分析了图象滤波的方法。
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