| <Poster Width="1734" Height="2244"> |
| <Panel left="73" right="348" width="812" height="408"> |
| <Text>Motivation</Text> |
| <Text> Archeology</Text> |
| <Text>Reconstruct broken artifacts</Text> |
| <Text> Molecular Biology</Text> |
| <Text>Identify compatible proteins</Text> |
| <Text> Forensics</Text> |
| <Text>Understand disaster scene</Text> |
| </Panel> |
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|
| <Panel left="884" right="349" width="774" height="405"> |
| <Text>Goal</Text> |
| <Text>Help user to reconstruct 3D object from a large</Text> |
| <Text>collection of pieces</Text> |
| <Figure left="910" right="502" width="582" height="244" no="1" OriWidth="0.383506" OriHeight="0.17246 |
| " /> |
| </Panel> |
|
|
| <Panel left="74" right="757" width="807" height="1437"> |
| <Text>Approach</Text> |
| <Text>1. Detect interest regions and compute local</Text> |
| <Text>descriptors</Text> |
| <Figure left="125" right="998" width="523" height="176" no="2" OriWidth="0" OriHeight="0 |
| " /> |
| <Text>2. Identify candidate descriptor correspondences</Text> |
| <Figure left="128" right="1316" width="519" height="167" no="3" OriWidth="0" OriHeight="0 |
| " /> |
| <Text>3. Quantify geometric compatibility between parts</Text> |
| <Figure left="130" right="1595" width="502" height="172" no="4" OriWidth="0" OriHeight="0 |
| " /> |
| <Text>4. Compute final match score using spectral methods</Text> |
| <Figure left="121" right="1863" width="317" height="194" no="5" OriWidth="0" OriHeight="0 |
| " /> |
| <Figure left="481" right="1864" width="373" height="183" no="6" OriWidth="0" OriHeight="0 |
| " /> |
| <Text>Motivated by [Leordeanu & Hebert, 2005]</Text> |
| </Panel> |
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| <Panel left="883" right="758" width="776" height="1437"> |
| <Text>Results</Text> |
| <Text>Database of solid objects, each broken into four pieces</Text> |
| <Figure left="917" right="942" width="472" height="153" no="7" OriWidth="0.303922" OriHeight="0.087344 |
| " /> |
| <Text>System correctly identifies the pieces for each object</Text> |
| <Figure left="908" right="1194" width="502" height="238" no="8" OriWidth="0.257209" OriHeight="0.0989305 |
| " /> |
| <Figure left="892" right="1498" width="384" height="283" no="9" OriWidth="0.28489" OriHeight="0.163102 |
| " /> |
| <Text> 100 piece database</Text> |
| <Text> High retrieval</Text> |
| <Text>accuracy at low ranks</Text> |
| <Text> Robust to noise</Text> |
| <Figure left="887" right="1855" width="384" height="301" no="10" OriWidth="0.153979" OriHeight="0.126114 |
| " /> |
| <Text> Accuracy at low ranks</Text> |
| <Text>is crucial metric to</Text> |
| <Text>evaluate retrieval</Text> |
| <Text> Significantly out-</Text> |
| <Text>performs baseline at</Text> |
| <Text>varying noise levels</Text> |
| </Panel> |
|
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| </Poster> |
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