478 search results - page 43 / 96 » Unsupervised Learning of Image Transformations |
ICMLA
2009
13 years 7 months ago
2009
Recently there has been considerable interest in topic models based on the bag-of-features representation of images. The strong independence assumption inherent in the bag-of-feat...
EPIA
2009
Springer
14 years 1 months ago
2009
Springer
Abstract. Robots need to ground their external vocabulary and internal symbols in observations of the world. In recent works, this problem has been approached through combinations ...
ECCV
2004
Springer
14 years 11 months ago
2004
Springer
We extend the constellation model to include heterogeneous parts which may represent either the appearance or the geometry of a region of the object. The parts and their spatial co...
ICIP
2006
IEEE
14 years 11 months ago
2006
IEEE
Sparse image reconstruction is of interest in the fields of radioastronomy and molecular imaging. The observation is assumed to be a linear transformation of the image, and corrup...
ICDAR
2007
IEEE
14 years 4 months ago
2007
IEEE
We describe an unsupervised learning algorithm for extracting sparse and locally shift-invariant features. We also devise a principled procedure for learning hierarchies of invari...