715 search results - page 60 / 143 » Second step algorithms in the Burrows-Wheeler compression al... |
ICDAR
2007
IEEE
14 years 3 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...
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
Reliable estimation of visual saliency allows appropriate processing of images without prior knowledge of their content, and thus remains an important step in many computer vision ...
ICIP
2000
IEEE
14 years 10 months ago
2000
IEEE
In this paper an algorithm for 2D shape estimation of moving objects is proposed, which reduces the estimation error compared to the ISO/MPEG-4 reference. The improvement is achie...
ESANN
2000
13 years 10 months ago
2000
In this paper we investigate the performance of a Computer Aided Diagnosis (CAD) system for the detection of clustered microcalcifications in mammograms. Our detection algorithm co...
ICASSP
2011
IEEE
13 years 13 days ago
2011
IEEE
This paper presents a new keypoint-based approach to nearduplicate images detection. It consists of three steps. Firstly, the keypoints of images are extracted and then matched. S...