An Image-Based Approach to Video Copy Detection With Spatio-Temporal Post-Filtering
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INTRODUCTION


Common distortions are
1. scaling
2. compression
3. cropping
4. camcording


SPATIO-TEMPORAL VERIFICATION

Spatio-Temporal Transformation

Temporal Grouping

Spatial Verification(next)

Score Aggregation Strategy

conclution
Our video copy detection system outperforms other submitted results on all transformations. This is due to a very accurate image-level matching. Run KEYSADVES, which is more scalable, shows that our system still obtains excellent results with a memory footprint and query time reduced 20 times.