A new method for predetermination of all-zero blocks in low rate video coding is proposed, which is based on characters of discrete cosine transform (DCT) and quantization.
该文根据离散余弦变换(DCT)和量化运算的特点，提出了一种新的用于低比特率视频编码的全零块预先判别方法。
The improved AFT algorithms for even and odd functions can also be used for computing discrete cosine transform (DCT) and discrete sine transform (DST), respectively.
本文改进的偶函数和奇函数的AFT算法还分别可以用来计算离散余弦变换(DCT)和离散正弦变换(DST)。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
本文基于三维离散余弦变换（3D-DCT）技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
A steganalysis algorithm based on statistical characteristics of DCT (Discrete Cosine Transform) coefficients for JPEG (Joint Photographic Experts Group) image was proposed.
提出了一种基于DCT(离散余弦变换)系数统计特性的JPEG图像隐写分析算法。
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。
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。
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