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GoDataDrivenPROUDLY PART OF THE XEBIA GROUP
Robustifying Descriptor Instability using Fisher Vectors
Ivo EvertsData Driver
IEEE Transactions on Image Processing, 2014Ivo Everts & Jan van Gemert & Thomas Mensink & Theo Gevers
Introduction
Koen van de Sande & Theo Gevers, University of Amsterdam at the Visual Concept Detection and Annotation Tasks
Introduction
Introduction
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Outline
Descriptor instabilityquantified modeled applied
Outline
Descriptor instabilityquantified modeled applied
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Descriptor instability
—————————— Descriptor norm ——————————
Descriptor instability quantified
Outline
Descriptor instabilityquantified modeled applied
Descriptor instability modeledThe data model:
Descriptor instability modeledThe data model:
The old:
Descriptor instability modeledThe data model:
The old: The new:
Descriptor instability modeledThe data model:
The old: The new:<
Descriptor instability modeled
The Fisher Vectors:
Descriptor instability modeled
D x K
D x K
2 x 5
2 x 5
The Fisher Vectors:
Outline
Descriptor instabilityquantified modeled applied
Descriptor instability applied
Descriptor instability applied
Descriptor instability applied
Descriptor instability applied
Descriptor instability applied
Conclusion
Descriptor instabilitySolid modelling as observational variance
Physical phenomenon / engineering artefact
Steady but marginal improvements on various problems
