Title :
Fast alignment of digital images using a lower bound on an entropy metric
Author :
Sabuncu, Mert R. ; Ramadge, Peter J.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., NJ, USA
Abstract :
We propose a registration algorithm based on successively refined quantization and an alignment metric derived from a minimal spanning tree entropy estimate. The metric favors edge alignment, is fast to compute, and compares well in experiments with competing approaches.
Keywords :
entropy; image registration; quantisation (signal); trees (mathematics); alignment metric; digital images false alignment; entropy metric; metric favors edge alignment; minimal spanning tree entropy estimate; registration algorithm; successively refined quantization; Aggregates; Biomedical imaging; Computed tomography; Digital images; Entropy; Marine vehicles; Quantization; Random variables; Sampling methods;
Conference_Titel :
Image Processing, 2004. ICIP '04. 2004 International Conference on
Print_ISBN :
0-7803-8554-3
DOI :
10.1109/ICIP.2004.1421454