621 search results - page 85 / 125 » Compression of facial images using the K-SVD algorithm |
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SIGGRAPH
2000
ACM
15 years 2 months ago
2000
ACM
A surface light field is a function that assigns a color to each ray originating on a surface. Surface light fields are well suited to constructing virtual images of shiny objec...
ICDAR
2007
IEEE
15 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...
IWDW
2005
Springer
15 years 3 months ago
2005
Springer
In this paper, we use the previously proposed calibrated DCT features [9] to construct a Support Vector Machine classifier for JPEG images capable of recognizing which steganograp...
IJCV
2008
14 years 9 months ago
2008
In this study we concentrate on qualitative topological analysis of the local behavior of the space of natural images. To this end, we use a space of 3 by 3 high-contrast patches ...
ECCV
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. This paper presents a new approach for fitting a 3D morphable model to images of faces, using self-adapting feature layers (SAFL). The algorithm integrates feature detect...