本文主要研究图象数据压缩的自适应方法。
This paper deals primarily with the adaptive method of image data compression.
本文提出了一种采用变换和自适应方法的图象数据压缩系统。
An image data compression system is presented which USES the transform and adaptive method.
小波变换是一个新兴数学分支，本文利用小波变换的特性研究图象数据压缩方法，以探寻高比例、高质量压缩图象数据的新途径。
The paper, by using the transform characteristic of Wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.
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.
更重要的是，它将噪声抑制与数据压缩过程同时进行，在对SAR雷达图象的处理上取得了良好的效果。
More importantly, it can integrate the noise reduction and data compression process, and yield good result on processing the SAR images.
哈夫曼编码是著名的数据压缩方法之一，它广泛适用于西文、中文、图象数据等领域的信息压缩之中。
Huffman encoding is one of the famous methods of data compression, It is used in the information compression in the fields of western languages, Chinese characters and pattern data etc.
矢量量化优于标量量化。它已成功地应用于图象的数据压缩。
Vector quantization, which has been applied successfully in the image coding, is more efficient than scale quantization.
在图象数据库的存贮结构及图象的数据压缩等应用中，GD等这类线性四元树表示方法得到了大量的研究。
In the application of image database and data compression, the linear quadtree methods such as GD are studied very much.
该方法用存贮图象的几何中心位置和相应的圆环参数值代替了传统的图象匹配法中需要存贮图象全部信息的方式，克服了数据压缩所带来的诸多麻烦。
In the method, we store the geometric centers and the values of the ring-data other than storing all information used in traditional method. Many difficulties to press data have been overcome.
该方法用存贮图象的几何中心位置和相应的圆环参数值代替了传统的图象匹配法中需要存贮图象全部信息的方式，克服了数据压缩所带来的诸多麻烦。
In the method, we store the geometric centers and the values of the ring-data other than storing all information used in traditional method. Many difficulties to press data have been overcome.
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