Library EntranceLibrary WalkSidewalk01sidewalk2
Library Entrance ...Scene Description [html] [pdf]

Congestion
Levels Experiment

Oblique Angle

Experiment Accuracy
Martin NN = 64%
Nearest-neighbor classifier using Martin distance.
State KL NN = 57%
Nearest-neighbor classifier using state KL divergence
State KL SVM = 72%
SVM classifier using state KL kernel
Image KL NN = 72%
Nearest-neighbor classifier using image KL divergence
Image KL SVM = 71%
SVM classifier using image KL kernel
Description

In this experiment, we discriminate between congestion/flow levels: high, medium, and low.

Clips: high
  • divx
  • mov
  • mp4
divx
1
2
mov (h.264)
1 2
mp4
1 2
Clips: medium
  • divx
  • mov
  • mp4
divx
1 2 3 4 5 6 7 8
mov (h.264)
1 2 3 4 5 6 7 8

Clips: low
  • divx
  • mov
  • mp4
divx
1 2 3
mov (h.264)
1 2 3

mp4
1 2 3
 

Entering/ Exiting Experiment

Oblique Angle
Experiment Accuracy
Martin NN = 62%
Nearest-neighbor classifier using Martin distance.
State KL NN = 51%
Nearest-neighbor classifier using state KL divergence
State KL SVM = 44%
SVM classifier using state KL kernel
Image KL NN = 37%
Nearest-neighbor classifier using image KL divergence
Image KL SVM = 67%
SVM classifier using image KL kernel
Description

In this experiment we attempted to discriminate between pedestrian traffic exiting versus entering versus balanced.

Location: UC San Diego's Geisel Library 4th floor facing south.

Clips: mostly entering
  • divx
  • mov
  • mp4
divx
1 2 3 4 5

mov (.h264)
1 2 3 4 5
mp4 (mpeg4)
1 2 3 4 5
Clips: balanced
  • divx
  • mov
  • mp4
mov (h.264)
1 2 3 4 5 6 7

mp4 (mpeg4)
1 2 3 4 5 6 7
Clips: mostly exiting
  • divx
  • mov
  • mp4
divx
1 2 3 4 5

mov (.h264)
1 2 3 4 5
mp4 (mpeg4)
1 2 3 4 5

 
Front Angle #1

Need other levels to discriminate.

Need other levels to discriminate.

No Experimental Results
Description

In this experiment, we discriminate between congestion/flow levels: high, medium, and low.

Video compressed into three formats: divx, mov (.h264), and mp4 (mpeg4).
All at 30fps
320 x240

Clips: Angle #1
  • divx
  • mov
  • mp4

divx
1 2

mov (h.264)
1 2

mp4 (mpeg4)
1 2

     
 
Front Angle #2

Need other levels to discriminate.

Need other levels to discriminate.

No Experimental Results
Description

In this experiment, we discriminate between congestion/flow levels: high, medium, and low.

Video compressed into three formats: divx, mov (.h264), and mp4 (mpeg4).
All at 30fps
320 x240

Clips: Angle #2
  • divx
  • mov
  • mp4
divx
1
mov (h264)
1
mp4 (mpeg4)
1
     
 

Side Angle
Still

Need other levels to discriminate.

Need other levels to discriminate.

No Experimental Results
Description

In this experiment, we discriminate between congestion/flow levels: high, medium, and low.

Video compressed into three formats: divx, mov (.h264), and mp4 (mpeg4).
All at 30fps
320 x240

Clips: Still Side
  • divx
  • mov
  • mp4
divx
1 2
mov (h264)
1 2
mp4 (mpeg4)
1 2
     
 

Side Angle
Pan

Need other levels to discriminate.

Need other levels to discriminate.

No Experimental Results
Description

In this experiment, we discriminate between congestion/flow levels: high, medium, and low.

Video compressed into three formats: divx, mov (.h264), and mp4 (mpeg4).
All at 30fps
320 x240

Clips: Pan Side
  • divx
  • mov
  • mp4
divx
1 2
mov (h.264)
1 2
mp4 (mpeg4)
1 2
     
         
Oblique Angle
Pan

Need other levels to discriminate.

Need other levels to discriminate.

No Experimental Results
Description

In this experiment, we discriminate between congestion/flow levels: high, medium, and low.

Video compressed into three formats: divx, mov (.h264), and mp4 (mpeg4).
All at 30fps
320 x240

Clips: Panning
  • divx
  • mov
  • mp4
divx
1 2

mov (h.264)
1 2

mp4 (mpeg4)
1 2