Traffic sign shape classification and localization based on the normalized FFT of the signature of blobs and 2D homographies.
Pedro Gil-JiménezSaturnino Maldonado-BascónHilario Gómez-MorenoSergio Lafuente-ArroyoFrancisco López-FerrerasPublished in: Signal Process. (2008)
Keyphrases
- shape classification
- traffic signs
- shape retrieval
- shape matching
- shape descriptors
- shape representation
- fourier transform
- frequency domain
- automatic recognition
- image pairs
- video images
- global features
- recognition algorithm
- fourier descriptors
- scale space
- shape description
- training data
- feature space
- image processing
- object contours
- similarity measure
- shape features
- image retrieval
- machine learning
- shape analysis
- keypoints
- training samples
- medical images
- viewpoint