A Comparative Study of Local Descriptors for Object Category Recognition: SIFT vs HMAX.
Plinio MorenoManuel J. Marín-JiménezAlexandre BernardinoJosé Santos-VictorNicolas Pérez de la BlancaPublished in: IbPRIA (1) (2007)
Keyphrases
- object category recognition
- object categories
- dictionary learning
- sparse coding
- object recognition
- image features
- scale invariant feature transform
- keypoints
- bag of visual words
- natural images
- feature descriptors
- unsupervised learning
- machine learning
- image matching
- visual words
- multi class
- low level
- sift descriptors
- linear combination
- sparse representation
- image retrieval
- bag of features
- similarity measure
- face recognition