A Unified Algorithm for Subband-Based Discrete Cosine Transform

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="912194.fig.004a" src="https://static.hindawi.com/articles/mpe/volume-2012/912194/figures/912194.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Lena</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="912194.fig.004b" src="https://static.hindawi.com/articles/mpe/volume-2012/912194/figures/912194.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Baboon</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="912194.fig.004c" src="https://static.hindawi.com/articles/mpe/volume-2012/912194/figures/912194.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Barbara</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="912194.fig.004d" src="https://static.hindawi.com/articles/mpe/volume-2012/912194/figures/912194.fig.004d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Peppers</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="912194.fig.004e" src="https://static.hindawi.com/articles/mpe/volume-2012/912194/figures/912194.fig.004e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>Boat</td></tr></table></td></tr></table>

<table>The original image (left side) and the reconstructed image (right side).</table>

Mathematical Problems in Engineering

A Unified Algorithm for Subband-Based Discrete Cosine Transform

Figure 4