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Motivation

Motivation. Requirement of adjusting parameters for finger detection system Difficulty in estimating optimal parameter combination Without standard value for each parameter related to each image processing filter Optimal parameter combination is in the minority.

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Motivation

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  1. Motivation • Requirement of adjusting parameters for finger detection system • Difficulty in estimating optimal parameter combination • Without standard value for each parameter related to each image processing filter • Optimal parameter combination is in the minority

  2. Optimal parameters estimation framework • Procedure • Define parameters for finger detection system • Collect samples as ground truth • Various finger size • Various hand gesture • Search optimal parameters • Exclusive search • Test various parameter combination in each set • Partical filtering

  3. Optimal parameters estimation framework • Collect samples • Task • Finger touch • Soft /Hard • Vertical/Oblique • Various finger • Finger hover • Vertical / oblique • Sample set • Each task has 2x2x5 + 2x5 samples

  4. Optimal parameters estimation framework • Search optimal parameters • Exhaustive search • Test various parameter combination in each set • Step • Each parameter combination • Detect finger touch • Verify detection result • Calculate error rate

  5. Optimal parameters estimation framework frame Detection system Parameter Set Detection Result Sample set Ground Truth Optimal parameter finder Optimal Parameter Set Detection Result Parameter Set Error Rate Ground Truth Next Parameter Set Generator Verify

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