Due to high potential relativity of DCT coefficients and big compression performance of fractal, high compression rate of video data can be realized.
由于频域中dct系数的强相关性和分形的高压缩性能，能够实现视频数据的高压缩。
Their high compression performance makes them widely used in video applications.
它们能获得较高的压缩比，并在许多领域得到了广泛的应用。
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