Sciweavers

901 search results - page 131 / 181
» Perceptually Based Image Comparison
Sort
View
CVPR
2007
IEEE
15 years 8 days ago
Robust Change-Detection by Normalised Gradient-Correlation
A novel algorithm for robustly segmenting changes between different images of a scene is presented. This computationally efficient algorithm is based on a non-linear comparison of...
Robert O'Callaghan, Tetsuji Haga
CEC
2008
IEEE
14 years 4 months ago
A new meta-method for graph partitioning
— In this paper, a new meta-method based on the physical nuclear process is presented. This meta-method called Fusion-Fission is applied to the two different class of graph parti...
Charles-Edmond Bichot
HIP
2005
Springer
174views Cryptology» more  HIP 2005»
14 years 3 months ago
Collaborative Filtering CAPTCHAs
Abstract. Current CAPTCHAs require users to solve objective questions such as text recognition or image recognition. We propose a class of CAPTCHAs based on collaborative filterin...
Monica Chew, J. D. Tygar
ICIAR
2004
Springer
14 years 3 months ago
Inspecting Colour Tonality on Textured Surfaces
We present a multidimensional histogram method to inspect tonality on colour textured surfaces, e.g. ceramic tiles. Comparison in the noise dominated chromatic channels is error pr...
Xianghua Xie, Majid Mirmehdi, Barry T. Thomas
DAS
2006
Springer
14 years 1 months ago
Efficient Word Retrieval by Means of SOM Clustering and PCA
Abstract. We propose an approach for efficient word retrieval from printed documents belonging to Digital Libraries. The approach combines word image clustering (based on Self Orga...
Simone Marinai, Stefano Faini, Emanuele Marino, Gi...