A discriminative framework for texture and object recognition using local image features

Svetlana Lazebnik 1 Cordelia Schmid 2, * Jean Ponce 1
* Auteur correspondant
2 LEAR - Learning and recognition in vision
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71
Abstract : This chapter presents an approach for texture and object recognition that uses scale- or affine-invariant local image features in combination with a discriminative classifier. Textures are represented using a visual dictionary found by quantizing appearance-based descriptors of local features. Object classes are represented using a dictionary of composite semi-local parts, or groups of nearby features with stable and distinctive appearance and geometric layout. A discriminative maximum entropy framework is used to learn the posterior distribution of the class label given the occurrences of parts from the dictionary in the training et. Experiments on two texture and two object databases demonstrate the effectiveness of this framework for visual classification.
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Chapitre d'ouvrage
Jean Ponce and Martial Hebert and Cordelia Schmid and Andrew Zisserman. Towards category-level object recognition, 4170, Springer-Verlag, pp.423--442, 2006, Lecture Notes in Computer Science (LNCS), 978-3-540-68794-8. 〈10.1007/11957959〉
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Svetlana Lazebnik, Cordelia Schmid, Jean Ponce. A discriminative framework for texture and object recognition using local image features. Jean Ponce and Martial Hebert and Cordelia Schmid and Andrew Zisserman. Towards category-level object recognition, 4170, Springer-Verlag, pp.423--442, 2006, Lecture Notes in Computer Science (LNCS), 978-3-540-68794-8. 〈10.1007/11957959〉. 〈inria-00548596〉

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