该文讨论了采样图象的一般模型，提出了离散图象的采样准则，给出了一种迭代算法。
This paper discusses the general model of Non-uniform sampling image, and presents the sampling principle of discrete image.
对于给定的细节较少的单色数字图象，本文给出了一种自适应的离散余弦变换(DCT)数据压缩方法。
For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
本文论述了图象质量的各种定量测度，包括连续的和离散的形式。
A variety of quantitative measures of the image quality, including the continuous and discrete forms, is investigated.
该文主要介绍了如何利用离散余弦变换(DCT)实现对于图象文件的数据隐藏技术，详细说明了该技术的基本原理和实现方法，以及对现有算法的改进。
This paper introduces how to use DCT (discrete-cosine transform) in data-hiding technology in image, and its fundamental theory and algorithms, special improvements of existing algorithms.
本文详细地介绍了利用二维离散付里叶变换(DFT)进行图象复原的方法。
In this paper, the method for carrying out the image reconstruction by means of the 2-dimensional discrete Fourier transform (DFT) is introduced in detail.
本文详细地介绍了利用二维离散付里叶变换(DFT)进行图象复原的方法。
In this paper, the method for carrying out the image reconstruction by means of the 2-dimensional discrete Fourier transform (DFT) is introduced in detail.
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