Among various transform coding techniques for image compression the Discrete Cosine Transform (DCT) is considered to be the most effective method and has been widely used in the laboratory as well as in the market. place. DCT is computationally intensive. For video application at 14.3 Mliz sample rate, a direct implementation of a 16x16 DCT requires a throughput. rate of approximately half a billion multiplications per second. In order to reduce the cost of hardware implementation, a single chip DCT implementation is highly desirable.
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