Real-time feature extraction from video stream data for stream ...

ai.cs.uni.dortmund.de

Real-time feature extraction from video stream data for stream ...

List of Figures

1.1 Logo of the ViSTA-TV project. . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Overview of the ViSTA-TV project . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Spatial versus temporal video segmentation . . . . . . . . . . . . . . . . . 7

2.2 Hierarchical temporal segmentation of a television broadcast. . . . . . . . 9

2.3 Different shot transitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4 Difference of gray-level histograms around a shot boundary . . . . . . . . 14

2.5 Difference Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.6 Group-of-pictures (GOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.7 Twin comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.8 Motion vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.9 Shot reverse shot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.10 The temporal structure of a news show . . . . . . . . . . . . . . . . . . . . 21

2.11 Anchorshot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.12 Waveforms for different audio data . . . . . . . . . . . . . . . . . . . . . . 26

3.1 Example of handwritten digits . . . . . . . . . . . . . . . . . . . . . . . . 27

3.2 k-nearest-neighbor classifier . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.3 Decision tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.4 Bias-variance-tradeoff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3.5 Example for the result of a cluster analysis. . . . . . . . . . . . . . . . . . 37

3.6 CRoss Industry Standard Process for Data Mining (CRISP-DM) . . . . . 41

3.7 Overview of the steps constituting the KDD process . . . . . . . . . . . . 42

3.8 Input Stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.9 A data item containing one image plus some additional information. . . . 44

3.10 Configuration XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3.11 Execution of an experiment . . . . . . . . . . . . . . . . . . . . . . . . . . 45

4.1 Experiment set-up for the coffee capsule project . . . . . . . . . . . . . . . 49

5.1 Java Code for posting a request to ZAPI to start a new session . . . . . . 52

5.2 Response to Start-Session . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

5.3 Response to User Login . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.4 Response to Watch Channel . . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.5 The .m3u-fork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

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