An Effective Color Addition to Feature Detection and Description for Book Spine Image Matching

<table>(a) A photometric invariance test image and (b) its <svg height="10.325" id="M22" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.6125 10.325" width="11.6125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.325)">
<g transform="translate(72,-63.74)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑌</tspan>
</text>
</g>
</g>
</svg> channel, (c) <svg height="14.45" id="M23" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 16.375 14.45" width="16.375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.45)">
<g transform="translate(72,-60.44)">
<text transform="matrix(1,0,0,-1,-71.95,63.71)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐶</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.56,60.58)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑏</tspan>
</text>
</g>
</g>
</svg> channel, and (d) <svg height="14.3375" id="M24" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 15.7 14.3375" width="15.7" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3375)">
<g transform="translate(72,-60.53)">
<text transform="matrix(1,0,0,-1,-71.95,63.71)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐶</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.56,60.58)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑟</tspan>
</text>
</g>
</g>
</svg> channel.</table>

International Scholarly Research Notices

fig3

Figure 3

Figure 3: An Effective Color Addition to Feature Detection and Description for Book Spine Image Matching 