The week's pick
Reseach Article
An Area Efficient design of Fully Pipelined, 2D-DCT, Quantizer and Zigzag JPEG Encoder using VHDL
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 65 - Number 10 |
| Year of Publication: 2013 |
| Authors: Durga Patidar, Jaikaran Singh, Mukesh Tiwari |
10.5120/10964-5935
|
Durga Patidar, Jaikaran Singh, Mukesh Tiwari . An Area Efficient design of Fully Pipelined, 2D-DCT, Quantizer and Zigzag JPEG Encoder using VHDL. International Journal of Computer Applications. 65, 10 ( March 2013), 42-46. DOI=10.5120/10964-5935
Abstract
Image compression is the reduction or elimination of redundancy in data representation in order to achieve reduction in storage and communication cost. For this we use the simple computational method, 2D-DCT, using two 1D-DCT performed on matrix of (8X8). The DCT is a technique that converts a signal from spatial domain to frequency domain. Here we first convert the image into minimum code units. Then 2-D DCT is applied on each block. Then further process of Quantization, Zig-Zag approach and encoding is applied on the processed data. The architecture uses 3049 slices, 2,457 LUT, 46 I/Os of Xilinx Spartan-3 XC3S1600
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