Discrete cosine transform: algorithms, advantages, applications
Discrete cosine transform: algorithms, advantages, applications
Digital image processing (2nd ed.)
Digital image processing (2nd ed.)
DCT/IDCT processor for HDTV developed with DSP silicon computer
Journal of VLSI Signal Processing Systems - Special issue: video/image signal processing
Digital Image Processing
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In this paper, we propose array processors for computing the 2-D and 3-D DCTs. We first introduce a new method, called dimensional splitting method, for the design of array processors for multi-dimensional image transforms. The method can be applied to any multi-dimensional image transforms with separable kernels such as DFT and DCT. Then, we propose a new coding scheme for the 1-D DCT in which the need for generating the kernel matrix in advance is eliminated. Finally, we show array processors for computing r-D DCT (r ≥ 2) which are scalable, regular, locally-connected, and fully-pipelined.