Lossless and Low-Power Image Compressor for Wireless Capsule Endoscopy

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="343787.fig.007a" src="https://static.hindawi.com/articles/vlsi/volume-2011/343787/figures/343787.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Histogram of <svg height="10.75" id="M40" style="vertical-align:-0.15048pt" version="1.1" viewbox="0 0 21.725 10.75" width="21.725" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.75)">
<g transform="translate(72,-63.4)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
<tspan style="font-size: 12.50px; " x="6.6515961" y="0">𝑋</tspan>
</text>
</g>
</g>
</svg> for endoscopic image</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="343787.fig.007b" src="https://static.hindawi.com/articles/vlsi/volume-2011/343787/figures/343787.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Histogram of <svg height="10.75" id="M41" style="vertical-align:-0.15048pt" version="1.1" viewbox="0 0 21.725 10.75" width="21.725" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.75)">
<g transform="translate(72,-63.4)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
<tspan style="font-size: 12.50px; " x="6.6515961" y="0">𝑋</tspan>
</text>
</g>
</g>
</svg> for standard “baboon” image</td></tr></table></td></tr></table>

<table>Histogram of <svg height="10.75" id="M39" style="vertical-align:-0.15048pt" version="1.1" viewbox="0 0 21.725 10.75" width="21.725" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.75)">
<g transform="translate(72,-63.4)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
<tspan style="font-size: 12.50px; " x="6.6515961" y="0">𝑋</tspan>
</text>
</g>
</g>
</svg> for endoscopic and standard image.</table>

VLSI Design

fig7

Figure 7

Figure 7: Lossless and Low-Power Image Compressor for Wireless Capsule Endoscopy 