cosine transform [计] 余弦变换
- A digital map watermarking algorithm based on discrete cosine transform( DCT) is presented.
【中英文摘要】设计了一个基于DCT的数字地图水印算法。 - In the decoder, an end-of-block( EOB) position of an incoming block received by the decoder is determined and a discrete cosine transform( DCT) block type is determined based on the determined EOB
在该解码器部分,将收到的输入区块中决定一区块终止的位置,并根据此区块终止位置决定一种离散馀弦转换区块形式。 - In this paper, the unified form of the trigonometrical transform which includes the discret sine transform, the discret cosine transform an
构造出了三角变换的一般形式,把离散正弦变换、散余弦变换和离散W变换统一起来.并讨论了三角变换一般形式的正交条件.
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