Sciweavers

401 search results - page 54 / 81
» Extracting image orientation feature by using integration op...
Sort
View
CVPR
2005
IEEE
16 years 1 months ago
Radon-Based Structure from Motion without Correspondences
We present a novel approach for the estimation of 3Dmotion directly from two images using the Radon transform. We assume a similarity function defined on the crossproduct of two i...
Ameesh Makadia, Christopher Geyer, Shankar Sastry,...
ICPR
2008
IEEE
15 years 6 months ago
Face recognition using anisotropic dual-tree complex wavelet packets
In this paper, we propose a novel face recognition method based on anisotropic dual-tree complex wavelet packets(ADT-CWP). 2-D dual-tree complex wavelet transform(DT-CWT) provides...
YiGang Peng, Xudong Xie, Wenli Xu, Qionghai Dai
ICIP
2008
IEEE
16 years 1 months ago
Adaptive decoding for halftone orientation-based data hiding
Halftone image watermarking techniques that allow automated extraction of the embedded watermark data are useful in a variety of document security and workflow applications. The p...
Orhan Bulan, Gaurav Sharma, Vishal Monga
MICCAI
2009
Springer
15 years 6 months ago
Multi-level Ground Glass Nodule Detection and Segmentation in CT Lung Images
Early detection of Ground Glass Nodule (GGN) in lung Computed Tomography (CT) images is important for lung cancer prognosis. Due to its indistinct boundaries, manual detection and ...
Yimo Tao, Le Lu, Maneesh Dewan, Albert Y. Chen, Ja...
MICCAI
2010
Springer
14 years 9 months ago
Modeling and Segmentation of Surgical Workflow from Laparoscopic Video
Modeling and analyzing surgeries based on signals that are obtained automatically from the operating room (OR) is a field of recent interest. It can be valuable for analyzing and u...
Tobias Blum, Hubertus Feußner, Nassir Navab