BIVARIATEALGEBRAIC INTEGERENCODED ARAI ALGORITHM FOR EXACT COMPUTATION OF DCT
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چکیده
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15 صفحه اولA Row-Parallel 8 × 8 2-D DCT Architecture Using Algebraic Integer-Based Exact Computation
An algebraic integer (AI) based time-multiplexed row-parallel architecture and two final-reconstruction step (FRS) algorithms are proposed for the implementation of bivariate AI-encoded 2-D discrete cosine transform (DCT). The architecture directly realizes an error-free 2-D DCT without using FRSs between row-column transforms, leading to an 8×8 2-D DCT which is entirely free of quantization er...
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—Recently, a fast radix-algorithm for an efficient computation of the type-IV discrete cosine transform (DCT-IV) has been proposed in [1], where is an odd positive integer. In particular, based on the proposed fast algorithm, optimized efficient 3-, 5-, and 9-point scaled DCT-IV (SDCT-IV) modules have been derived in [1]. As a response, an improved efficient optimized 9-point scaled DCT-IV (SDC...
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|In this paper, we propose uni ed systolic arrays for computation of the 1-D and 2-D discrete cosine transform/discrete sine transform/discrete Hartley transform (DCT/DST/DHT). By decomposing the transforms into evenand odd-numbered frequency samples, the proposed architecture computes the 1-D DCT/DST/DHT. Compared to the conventional methods the proposed systolic arrays exhibit advantages in t...
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ژورنال
عنوان ژورنال: International Journal of Research in Engineering and Technology
سال: 2014
ISSN: 2321-7308,2319-1163
DOI: 10.15623/ijret.2014.0313008