• The DCT was used as the main method of image transform coding for a long time.

    图像压缩编码长期以来利用离散余弦变换(DCT)作为变换编码主要技术

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  • 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)量化运算特点提出了一种新的用于比特视频编码的全零预先判别方法

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  • We firstly overview the properties of fractal coding in image domain, then we derive the corresponding formula of scaling factor and offset of affine transform in DCT domain.

    首先综述图像域中分形编码特性然后导出离散余弦变换(简称DCT)域中仿射变换的伸缩因子偏移量的对应公式

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  • The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.

    本文对一维DCT变换压缩编码变换域系数二次量化引起图象损伤进行了空间分析,得出了一些有用的结论

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  • Absrtact: for its fine performance, DCT transform is widely used in the compression and coding method of image and video data.

    摘要DCT变换优良特性图像视频数据压缩编码所广泛采用。

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  • Absrtact: for its fine performance, DCT transform is widely used in the compression and coding method of image and video data.

    摘要DCT变换优良特性图像视频数据压缩编码所广泛采用。

    youdao

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