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Rotationally Invariant Descriptors Using Intensity Order Pooling
Yi-Chung ChenAdvisor： S.J.Wang
2012 IEEE, Bin Fan, Fuchao Wu, and Zhanyi Hu
2012 IEEE, Bin Fan, Fuchao Wu, and Zhanyi Hu
2012 IEEE, Bin Fan, Fuchao Wu, and Zhanyi Hu
2012 IEEE, Bin Fan, Fuchao Wu, and Zhanyi Hu
Proposedmethod
SIFT
Outline
• Why do we need this ?
• What is the key concepts ?
• How does it work exactly ?
• When should we use it ?
Why do we need this ?
Why do we need this ?
Why do we need this ?
Why do we need this ?
0 2 p
36%
64%
Why do we need this ?
Robustness
Distinctiveness
Why do we need this ?
Why do we need this ?0 255/2π
0
1
Why do we need this ?0 255/2π
0
1
Robustness
Distinctiveness
Why do we need this ?
RobustnessDistinctiveness
Why do we need this ?
RobustnessDistinctiveness
Robustness
Distinctiveness
What is the key concepts ?
RobustnessDistinctiveness
What is the key concepts ?
What is the key concepts ?
What is the key concepts ?0
2p0
2p0
2p0
2p
Intensity Order Pooling
What is the key concepts ?
Robustness
Distinctiveness
How does it work exactly ?
How does it work exactly ?
How does it work exactly ?
Robustness
Distinctiveness
How does it work exactly ?
MRRIDMultisupport Region Rotation and
Intensity Monotonic Invariant Descriptor
MROGHMultisupport Region Order-Based Gradient Histogram
When should we use it ?
Blur/illu. changes
MRRID > MROGH > SIFT,RIFT,DAISY ……
Most cases
MROGH > MRRID > SIFT,RIFT,DAISY ……
When should we use it ?
When should we use it ?
When should we use it ?
When should we use it ?
When should we use it ?
When should we use it ?
Questions ?
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