05 December 2008 Video Challenge Problem Multiple Biometric Grand Challenge Preliminary Results of Version 1.

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05 December 2008 Video Challenge Problem Multiple Biometric Grand Challenge Preliminary Results of Version 1

Goals and Motivations Operational environment –Recognition from video. –Unconstrained illumination. –Unconstrained movement / pose.

Meet the Data Two different mediums of video. –High definition video (1440 x 1080) –Standard definition video (720 x 480)

Meet the Data Walking footage –Subject walks towards camera. Activity footage –Non-frontal footage of subject performing an activity. Footage taken concurrently in both standard definition and high definition.

Video Challenge Breakout Walking vs. Walking –Both formats Walking vs. Activity –Both formats Activity vs. Activity –Both formats

Video Challenge Submissions OrganizationLegend Lockheed Martin FF L-1 Identity Solutions AG GG Pittsburgh Pattern Recognition II SAGEM DD

Walking vs. Walking Standard Definition 202 sequences Standard Definition 202 sequences High Definition Video 197 sequences High Definition Video 197 sequences

High Definition ROC Results from an Open Book Challenge Problem, NOT an Independent Evaluation

Standard Definition ROC Results from an Open Book Challenge Problem, NOT an Independent Evaluation

Summary Bar Graph Results from an Open Book Challenge Problem, NOT an Independent Evaluation Plotted at FAR = 0.01

Walking vs. Activity Walking 399 sequences Activity 371 sequences Activity 371 sequences Experiment uses both high definition and standard definition. Walking 399 sequences

Walking vs. Activity ROC Results from an Open Book Challenge Problem, NOT an Independent Evaluation

Activity vs. Activity Experiment uses both high definition and standard definition. High Definition Video Standard Definition

Activity vs. Activity ROC Results from an Open Book Challenge Problem, NOT an Independent Evaluation

Conclusions Performance was better on high definition than standard definition. Highlights new challenges. Algorithms cannot handle non-frontal activity.

Next steps experiment: TargetQuery WalkingConversation