Performance assessment of automatic crowd detection techniques on airborne images.
Beril SirmaçekJeroen LichtenauerCem ÜnsalanPeter ReinartzPublished in: IGARSS (2012)
Keyphrases
- detection rate
- input image
- image data
- ground truth
- image analysis
- object recognition
- lighting conditions
- image registration
- fully automatic
- image database
- image classification
- detection algorithm
- image features
- feature points
- three dimensional
- image set
- image collections
- edge detection
- automatic annotation
- image retrieval
- complex background
- segmentation method
- image matching
- image annotation
- partial occlusion
- man made
- manual annotation
- traffic signs
- aerial images
- semi automatic
- image regions
- object detection