Quad Trees: A Data Structure for Retrieval on Composite Keys.

Raphael A. Finkel Jon Louis Bentley

Published in: Acta Informatica (1974)

Keyphrases

quad trees
data structure
quadtree
image database
information retrieval
bit vector
r tree
dimensional data
neural network
pattern recognition
image retrieval
frequent patterns
spatial index
feature selection
tree structure
main memory