At low bit rates, the block Discrete Cosine Transform (BDCT) compression methods often give rise to blocking artifacts.
低比特率时，基于块离散余弦变换(BDCT)的图像压缩方法常常会引起块效应。
The image compression standard in PACS now is the JPEG standard based on the DCT (Discrete Cosine Transform) algorithm, which can only be applied in the limited areas.
目前在PACS系统中较多采用的是JPEG图像压缩标准，该标准采用以离散余弦变换算法为主的区块编码方式，但有一定的局限性。
Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.
在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换(DCT)进行了变换域分析。
This paper describes a FPGA design for two dimensional Discrete Cosine Transform (2d-dct) used in JPEG medical image compression.
本文介绍了一种适用于J PEG医学图象压缩的二维dct的F PG A设计方案。
Combining the thought dimensioned above, with discrete cosine transform-based and DWT-based compression algorithms, the OMIS multi-spectral images are compressed.
结合这种压缩思想，用基于离散余弦变换和基于离散小波变换的压缩算法，对实用型模块化成像光谱仪多光谱图像进行压缩。
The normal way to perform compression includes a computation called the discrete cosine transform, which checks how much a segment of an image resembles a series of cosine waves.
这个正常方式执行压缩包括计算称分离余弦变换，检查多少图像的段类似余弦波浪系列。
The normal way to perform compression includes a computation called the discrete cosine transform, which checks how much a segment of an image resembles a series of cosine waves.
这个正常方式执行压缩包括计算称分离余弦变换，检查多少图像的段类似余弦波浪系列。
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