fast discrete cosine transform algorithm 快速离散余弦变换算法
The theoretical and experimental results show that the method is feasible, effective and suitable for fast cosine transform in image processing.
理论推导和实验结果表明了该方法的可行性，该方法可应用于图像的快速余弦变换。
The system uses CCD for getting digital image, uses a 16 bit fix-point DSP to perform fast discret cosine transform(DCT) arithmetic and image encoding and realizes a fast image compression in end.
系统使用CCD获取原始数字图像数据，采用快速算法实现了核心的二维DCT变换，经过编码后，在一个16位定点DSP上实现了快速图像压缩。
So the fast algorithms of discrete sine transform, the discrete cosine transform and the discrete W transform are unified.
这样，离散余弦、离散正弦、离散w变换快速算法就有了一个统一的格式。
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